中国高能核物理网络论坛 (High Energy Nuclear Physics in China, HENPIC)

Past Seminars

34. INT Workshop 2020: Chirality and Criticality, May 11 - May 22, 2020

5. Previous seminars files information

One can also download the previous talk and video files at : https://pan.baidu.com/s/1ofbOwrBQFde0K0ihOYZ8Sg access code: p385 Those talks very earlier can also be found at : http://conf.ccnu.edu.cn/~henpic/ Or you can download their copy at: https://pan.baidu.com/s/1KDPSLBjYd7kmOqKjYndzQg access code: vmgj To nominate or volunteer future speakers on the HENPIC e-Forum, please...

26. The 100th : Symposium on high-energy nuclear physics --A special 100th session of High-energy Nuclear Physics in China (HENPIC) e-Forum, April 16th, 2020，Thursday 9:00am (Beijing time).

9:00-9:15 Welcome Address (Xin-Nian Wang and Speical Guests) Session Chair: Xiaofeng Luo (CCNU) ---------- 9:15-9:45 Zhangbu Xu (BNL): Study of QGP at RHIC 9:45-10:15 Xiaoming Zhang (CCNU): Study of QGP at LHC ---------- Break : 10:15-10:30 ---------- Session Chair: Qun Wang (USTC) ---------- 10:30-11:00 Elke-Caroline...

29. The 101st HENPIC seminar by Dr. Mamiya Kawaguchi, Fudan University ，April 23rd, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Anomalous transport from scale symmetry ---------- Abstract: The anomalous transport (current) induced from the chiral anomaly has been extensively studied in strong electromagnetic field regions relevant to the heavy ion collision in order to reveal the novel aspect for understanding the QCD phase structure. Paying an attention to the scale symmetry of QCD,...

30. The 102nd HENPIC seminar by Prof. Hongxi Xing (邢宏喜), South China Normal University ，April 30th, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Deciphering the nature of X(3872) in heavy ion collisions ---------- Exploring the nature of potential exotic candidates such as the X(3872) plays a pivotal role in understanding the Quantum Chromodynamics (QCD). Despite significant efforts, consensus on their internal structures is still lacking. In this talk, we will show the unique opportunity to decipher the...

31. The 103rd HENPIC seminar by Dr. Shuzhe Shi (施舒哲), McGill University, May 7th, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Spin Hydrodynamics from Both Microscopic and Macroscopic Approaches  ---------- Abstract:   As a conserved quantity in the evolution of the quark-gluon plasma (QGP) created in heavy-ion collisions, the total angular momentum consists of two sectors: the orbital angular momentum (OAM) caused by kinetic motion, and the intrinsic spin angular momentum of quarks...

32. The 104th HENPIC seminar by Dr. Xin-li Sheng (盛欣力), University of Sci.&Tech. of China (USTC), May 14th, 2020, Thursday, 10:30am (Beijing time)

---------- Title: From spin polarization of quarks to global spin alignment of $\phi$ mesons  ---------- Speaker : Dr. Xin-li Sheng (盛欣力), University of Sci.&Tech. of China (USTC) ---------- Abstract:   The STAR preliminary data for $\phi$ meson’s spin alignment $\rho_{00}$ is significantly larger than 1/3, which is beyond our current understanding of the...

33. The 105th HENPIC seminar by Dr. Lipei Du (杜立配), Ohio State University, May 21st, 2020, Thursday, 10:30am (Beijing time)

---------- Title:  Hydrodynamics at non-zero net baryon density and fluctuation dynamics near the QCD critical point  ---------- Speaker : Dr. Lipei Du (杜立配), Ohio State University ---------- Abstract:   Dissipative relativistic fluid dynamics has been unexpectedly successful in describing the evolution of the hot and dense fireballs created in relativistic light- and...

35. The 106th HENPIC seminar by Dr. Daniele Paolo Anderle, South China Normal University, May 28th, 2020, Thursday, 2:00pm (Beijing time)

---------- Fragmentation Functions in the era of the EIC ---------- Speaker : Dr. Daniele Paolo Anderle ---------- Abstract : We present the latest developments in collinear fragmentation functions' analyses and discusstheir possible improvement with the future electron-ion collider experiments. A rst precisionextraction of parton-to-pion fragmentation functions at...

36. The 107th HENPIC seminar by Dr. Wenbin Zhao (赵文彬), Peking University, June 4th, 2020, Thursday, 10:30 am (Beijing time)

---------- Title: Collectivity & QGP signals in Large and Small systems ---------- Speaker : Dr. Wenbin Zhao，Peking University ---------- Abstract: The collective flow and the possible formation of the Quark-Gluon Plasma (QGP) in the small colliding systems are hot research topics in the heavy-ion community. For heavy-ion collisions, the strong collective flow, NCQ...

37. The 108th HENPIC seminar by Dr.Huilin Qu (曲慧麟), University of California, Santa Barbara (UCSB), June 11th, 2020, Thursday, 3:00 pm (Beijing time)

---------- Talk title: Jet Tagging via Particle Clouds ---------- Speaker : Dr. Huilin Qu (曲慧麟)，University of California, Santa Barbara (UCSB) ---------- [Abstract] Machine learning techniques have brought a lot of progress in jet physics in recent years. One of the key questions in machine learning on jet physics is how to represent a jet. Inspired by the notion of...

38. The 109th HENPIC seminar by Dr. Qian Yang (杨钱), Shandong University (山东大学), June 18th, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: J/ψ production within a jet in p+p and heavy-ion collisions ---------- Speaker : Dr. Qian Yang (杨钱), Shandong University (山东大学) ---------- Abstract: The suppression of J/ψ production caused by the color-screening effect in heavy-ion collisions is considered as an evidence of the creation of quark-gluon plasma.To interpret the observed...

39. The 110th HENPIC seminar by Dr. Volodymyr Vovchenko, Lawrence Berkeley National Lab, June 25th, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: Recent results on light nuclei production in extended thermal model descriptions ---------- Speaker : Dr. Volodymyr Vovchenko, Lawrence Berkeley National Lab ---------- Abstract: I will present recent results on light nuclei production in relativistic heavy-ion collisions within two extensions of the thermal model approach. First, a canonical...

40. The 111th HENPIC seminar by Dr. Weiyao Ke (柯伟尧), UC Berkeley&Lawrence Berkeley National Laboratory, July 2nd, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: Jet properties in heavy-ion collisions from a transport model perspective ---------- Speaker : Dr. Weiyao Ke (柯伟尧), UC Berkeley&Lawrence Berkeley National Laboratory ---------- Abstract: Relativistic heavy-ion collisions produce hot and dense QCD medium. Jets, initiated by hard processes in these collisions, propagate through and interact with...

41. The 112nd HENPIC seminar by Dr. Tu Zhoudunming (涂周顿明), Brookhaven National Laboratory, US, July 9th, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: Probing quantum entanglement of partons in high energy collisions.  ---------- Speaker :  Dr. Tu, Zhoudunming  (涂周顿明), Brookhaven National Laboratory, US ---------- Abstract: The confinement of quarks and gluons, the building blocks of all visible matter, is perhaps the ultimate example of quantum entanglement. Inside nucleons they are not just...

42. The 113rd HENPIC seminar by Dr. Jasmine Brewer, Massachusetts Institute of Technology (MIT), July 16th, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: Equilibration and jets in the quark–gluon plasma ---------- Speaker :  Dr. Jasmine Brewer, Massachusetts Institute of Technology (MIT) ---------- Abstract: Heavy-ion collision experiments provide a unique window into the structure of the high-temperature phase of QCD, the quark–gluon plasma. In this talk we will address aspects of two...

43. The 114th HENPIC seminar by Prof. Hideki Hamagaki (Nagasaki Institute of Applied Science), July 23rd, 2020, Thursday, 10:30 am (Beijing time)

---------- Talk title: Study of Exotic Particles using High Energy Heavy Ion Collisions  ---------- Speaker :  Prof. Hideki Hamagaki (Nagasaki Institute of Applied Science) ---------- Abstract: Possibility of studying exotic particles utilizing the high-energy heavy-ion collisions has been considered since the onset of studies at LBL-BEVALAC.  Notable study at BNL-AGS...

44. The 115th HENPIC seminar by Daniel Brandenburg (Brookhaven National Lab), July 30th, 2020, Thursday, 10:30 am (UTC+8)

---------- Talk title: Observation of the Breit-Wheeler Process in Heavy-Ion Collisions  ---------- Speaker :  Dr. Daniel Brandenburg (Brookhaven National Lab) ---------- Abstract: Ultra-relativistic heavy ion collisions are expected to produce some of the strongest magnetic fields ($10^{13}-10^{16}$ Tesla) in the Universe[1]. Recently, there has been increased...

45. The 116th HENPIC seminar by Dr. Rongrong Ma (Brookhaven National Lab), Aug. 6th, 2020, Thursday, 10:30 am (UTC+8)

---------- Title: Probe the Quark Gluon Plasma with Quarkonia at the STAR Experiment ---------- Speaker: Rongrong Ma (Brookhaven National Laboratory) ---------- Abstract: The quark-gluon plasma (QGP) is believed to have existed in the early universe, and can be created in laboratory through ultra-relativistic heavy-ion collisions. Among various probes used to study the...

46. The 117th HENPIC seminar by Prof. Zhongbo Kang (University of Califorlia, Los Angeles), Aug. 13th, 2020, Thursday, 10:30 am (UTC+8)

---------- Talk title: Jets for 3D imaging ---------- Speaker :  Prof. Zhongbo Kang (University of Califorlia, Los Angeles) ---------- Abstract: At present day collider experiments such as the Large Hadron Collider (LHC) and the Relativistic Heavy Ion Collider (RHIC), energetic jets play an important role as precision probes of the Standard Model and beyond. In recent...

47. The 118th HENPIC seminar by Prof. Xin-Nian Wang (CCNU/LBNL), Aug. 20th, 2020, Thursday, 10:30 am (UTC+8)

---------- Talk title: Jet tomography of hot and cold nuclear matter [1] ---------- Speaker : Prof. Xin-Nian Wang (CCNU/LBNL) ---------- Abstract: When an energetic parton propagates through hot or cold nuclear matter, it will interact with the constituents of the matter. The energy loss and momentum broadening it experiences along its propagation path is...

48. The 119th HENPIC seminar by Dr. Kaijia Sun (Texas A&M University), Aug. 27th, 2020, Thursday, 10:30 am (UTC+8)

---------- Talk title: QCD criticality on light nuclei production in heavy-ion collisions ---------- Speaker : Dr. Kaijia Sun (Texas A&M University) ---------- Abstract: Locating the possible critical (end-)point (CEP), characterized by a diverging density-density correlation length, in the phase diagram of Quantum Chromodynamics (QCD) through the Beam Energy Scan...

49. The 120th HENPIC seminar by Dr. Benjamin Nachman (LBNL), Sep. 3rd, 2020, Thursday, 10:30 am (UTC+8)

Talk title: Jet Substructure and Machine Learning ---------- Speaker : Dr. Benjamin Nachman (LBNL) ---------- Abstract: We are in the midst of a QCD renaissance, with significant advances in both experimental and theoretical studies of jet substructure. I will discuss recent developments from the ATLAS experiment, where we are using jets in new ways to measure fundamental...

50. The 121st HENPIC seminar by Prof. Toru Kojo (CCNU), Sep. 10, 2020, Thursday, 10:30 am (UTC+8)

Prof. Toru Kojo (CCNU)

Talk title: Hard-core deconfinement and soft-surface delocalization from nuclear to quark matter ---------- Speaker : Prof. Toru Kojo (CCNU) ---------- Abstract: We propose a novel concept of hard and soft realizations of deconfinement from nuclear to quark matter. Hard Deconfinement takes place when bulk thermodynamics is dominated by the core properties. The energy...

51. The 122nd HENPIC seminar by Dr. Anping Huang 黄安平 (Indiana U.), Sep. 17, 2020, Thursday, 10:30 am (UTC+8)

Dr Anping Huang

Talk title: Dynamical evolution of magnetic fields in heavy-ion collisions ---------- Speaker : Dr. Anping Huang (Indiana University) ---------- Abstract: The electromagnetic fields in heavy-ion collisions are important ingredients for many interesting phenomena, such as Chiral Magnetic Effect (CME) and the directed flow v_1 of D^0 mesons. A critical and challenging...

52. The 123rd HENPIC seminar by Prof. Shanshan Cao 曹杉杉 (Shandong U.), Sep. 24, 2020, Thursday, 10:30 am (UTC+8)

Prof. Shanshan Cao

Talk title: Probing heavy flavor hadronization with hadron chemistry in heavy-ion collisions ---------- Speaker: Prof. Shanshan Cao (Shandong University) ---------- Abstract: A solid hadronization model is essential for understanding hadronic observables in high-energy nuclear collisions, while still remains a challenge due to its non-perturbative nature. We have developed a...

53. The 124th HENPIC seminar by Prof. Jun Song 宋军 (Jining U.), Oct. 15, 2020, Thursday, 10:30 am (UTC+8)

Prof. Jun Song (Jining University)

Talk title: Hadron production by equal-velocity quark combination mechanism in high energy collisions ---------- Speaker: Prof. Jun Song (Jining University) ---------- Abstract: Hadronization is the process of the formation of hadrons out of final state quarks and gluons in high energy reactions. Because QCD dynamics of the hadronization are not yet fully understood, hadronization is...

54. The 125th HENPIC seminar by Dr. Jiaxing Zhao 赵佳星 (Tsinghua U.), Oct. 22, 2020, Thursday, 10:30 am (UTC+8)

Dr Jiaxing Zhao (Tsinghua University)

Talk title: Heavy flavor hadrons in heavy-ion collisions ---------- Speaker: Dr. Jiaxing Zhao (Tsinghua University) ---------- Abstract: The property of running coupling constant makes the quark confined to hadrons in vacuum. A deconfined quark-gluon plasma(QGP) can be produced through the relativistic heavy-ion collisions. The formation of QGP has a profound influence on the...

55. The 126th HENPIC seminar by Prof. Xiaohui Liu 刘晓辉 (Beijing Normal U.), Oct. 29, 2020, Thursday, 10:30 am (UTC+8)

Prof. Xiaohui Liu

Talk title: Jets/event shapes for matter inner structures ---------- Speaker: Prof. Xiaohui Liu, Beijing Normal University ---------- Abstract: Jet and its many guises (event shapes, boosted hadrons, ...) are important tools for revealing QCD dynamics at high energy colliders. Recently, there have been growing interests in probing nucleon/nuclei internal structures using jets. In...

56. The 127th HENPIC seminar by Dr. Haojie Xu 徐浩洁 (Huzhou U.), Nov. 12, 2020, Thursday, 10:30 am (UTC+8)

Dr Haojie Xu

Talk title: Probing the neutron skin with ultra-relativistic isobaric collisions ---------- Speaker: Dr. Haojie Xu, Huzhou University ---------- Abstract: Neutron structure and skin thickness in nuclei have been traditionally measured by low-energy scatterings where the nuclei are only gently disturbed. Their precisions have been limited by theoretical uncertainties in modeling the...

57. The 128th HENPIC seminar by Prof. Yen-Jie Lee (MIT), Nov. 26, 2020, Thursday, 10:30 am (UTC+8)

Prof. Yen-Jie Lee (MIT)

Talk title: Studies of Jet Quenching and the Induced Medium Excitation with the CMS detector ---------- Speaker: Prof. Yen-Jie Lee, MIT ---------- Abstract:    Quantum Chromodynamics (QCD) is a complete theory of strong interaction. However, generally, calculations with QCD are notoriously difficult. In particular, the phases of quark matter are poorly understood. Predicted by...

58. The 129th HENPIC seminar by Dr. Mauricio Martinez Guerrero (North Carolina State U.), Dec. 10, 2020, Thursday, 10:30 am (UTC+8)

Dr Mauricio Martinez Guerrero (North Carolina State U.)

Talk title: Transasymptotics, dynamical systems and far from equilibrium fluid dynamics ---------- Speaker: Dr. Mauricio Martinez Guerrero, North Carolina State U. ---------- Abstract:    Hydrodynamics is a physical theory which describes long wavelength phenomena.  Any introductory physics textbook indicates that the applicability of hydrodynamics is restricted...

59. The 130th HENPIC seminar by Dr. Xiao-Liang Xia 夏晓亮 (Fudan U.), Dec. 24, 2020, Thursday, 10:30 am (UTC+8)

Dr Xiao-Liang Xia (Fudan University)

Talk title: Spin polarization of hyperons and vector mesons in heavy-ion collisions ---------- Speaker: Dr. Xiao-Liang Xia, Fudan University ---------- Abstract: The quark-gluon plasma (QGP) produced in heavy ion collisions has strong fluid vorticity. Such vorticity can lead to spin polarization of hyperons and spin alignment of vector mesons, which provide us an important tool...

60. The 131st HENPIC seminar by Dr. Haitao Li 李海涛 (Northwestern U & Argonne National Lab), Jan. 7, 2021, Thursday, 10:30 am (UTC+8)

Dr Haitao Li (Northwestern U & Argonne National Lab)

Talk title: Jets and Heavy Flavor at the Electron-Ion Collider ---------- Speaker: Dr. Haitao Li, Northwestern U & Argonne National Lab ---------- Abstract: Theoretical investigations for observables are crucial to answer fundamental questions at the future electron-Ion Collider. In this talk, I will discuss our recent theoretical works in calculating cross-sections and...

61. The 132nd HENPIC seminar by Dr. Zilong Chang 常子龙 (Brookhaven National Lab), Jan. 21, 2021, Thursday, 10:30 am (UTC+8)

Dr Zilong Chang (Brookhaven National Laboratory)

Talk title: Spin Physics at the STAR experiment ---------- Speaker: Dr. Zilong Chang, Brookhaven National Lab ---------- Abstract: The proton structure has been studied extensively over the past a few decades, especially from the polarized Deep Inelastic Scattering (DIS) Experiments. However due to its limit coverage in $𝑥−𝑄^2$ phase space and inability to directly access gluon...

62. The 133rd HENPIC seminar by Yuuka Kanakubo (Sophia University), Jan. 28, 2021, Thursday, 10:30 am (UTC+8)

Ms Yuuka Kanakubo (Sophia University)

Talk title: Dynamical core–corona picture from small to large colliding systems ---------- Speaker: Yuuka Kanakubo, Sophia University ---------- Abstract: A possibility of quark-gluon plasma (QGP) formation in small colliding systems is implied by various experimental data. Focusing on one of the experimental data, strangeness-enhancement, we investigate this possibility through...

63. The 134th HENPIC seminar by Yuan-Sheng Zhao 赵渊晟 (Fudan University), Feb. 24, 2021, Wednesday, 10:30 am (UTC+8)

Mr Yuan-Sheng Zhao (Fudan University)

Talk title: Deep-learning-assisted chiral magnetic effect search in heavy-ion collisions ---------- Speaker: Yuan-Sheng Zhao, Fudan University ---------- Abstract: Although multiple observables are proposed, the search of chiral magnetic effect (CME) in heavy-ion collisions suffers difficulties because of the large background effects. Instead of proposing new observables, we...

64. The 135th HENPIC seminar by Dr. Fei Gao 高飞 (Heidelberg University), Mar. 10, 2021, Wednesday, 13:30 (UTC+8)

Dr Fei Gao (Heidelberg University)

Talk title: QCD phase structure in functional QCD method ---------- Speaker: Dr. Fei Gao, Heidelberg University ---------- Abstract: QCD can be characterized by its running behavior. It shows asymptotic behavior in ultraviolet and dynamical mass generation in infrared. This feature gives QCD a rich phase structure at finite temperature and chemical potential. A functional QCD...

65. The 136th HENPIC seminar by Dr. Wei Chen 陈蔚 (University of Chinese Academy of Sciences), Mar. 24, 2021, Wednesday, 10:30 (UTC+8)

Dr Wei Chen

Talk title: Search for the elusive jet-induced diffusion wake with 2D jet tomography ---------- Speaker: Dr. Wei Chen, University of Chinese Academy of Sciences ---------- Abstract: Diffusion wake is an unambiguous part of the jet-induced medium response in high-energy heavy ion collisions that leads to a depletion of soft hadrons in the opposite direction of the jet...

66. The 137th HENPIC seminar by Prof. Xiaofeng Luo 罗晓峰 (Central China Normal University), Apr. 7, 2021, Wednesday, 10:30 (UTC+8)

Prof. Xiaofeng Luo

Talk title: QCD critical point and net-proton number fluctuations ---------- Speaker: Prof. Xiaofeng Luo, CCNU ---------- Abstract: Understanding the properties of quark matter and its phase structure can enhance our knowledge of universe evolution and the structure of visible matters. In the last two decades, many experimental evidences for the strongly interacting quark-gluon...

67. The 138th HENPIC seminar by Prof. Jianhua Gao 高建华 (Shandong University, Weihai), Apr. 22, 2021, Thursday, 10:30 (UTC+8)

Prof. Jianhua Gao

Talk title: Second order non-dissipative currents in a chiral system ---------- Speaker: Prof. Jianhua Gao, Shandong University (Weihai) ---------- Abstract: In this talk, I will mainly present the second order non-dissipative transport coefficients derived from the Wigner equation for massless spin-1/2 charged fermions in global equilibrium. The Wigner equation can be solved...

68. The 139th HENPIC seminar by Prof. Dingyu Shao 邵鼎煜 (Fudan University), May 6, 2021, Thursday, 10:30 (UTC+8)

Prof. Dingyu Shao

Talk title: Jets and flavor content of nucleons ---------- Speaker: Prof. Dingyu Shao, Fudan University ---------- Abstract: The theoretical description of jet observables is at the heart of the high-energy collisions. Recently various studies have demonstrated that jets can be useful tools for probing nucleon 3D structures, and the potential of jet physics at the future EIC is...

69. The 140th HENPIC seminar by Prof. Francesco Becattini (University of Florence), May 12, 2021, Wednesday, 14:00 (UTC+8)

Prof. Francesco Becattini

Talk title: New developments of spin physics in relativistic heavy ion collisions ---------- Speaker: Prof. Francesco Becattini, University of Florence ---------- Abstract: Spin is a relatively new topic in the rather mature field of relativistic heavy ion collisions and it has attracted much interest over the past few years. The predictions of the hydrodynamic model of the...

70. The 141st HENPIC seminar by Baochi Fu 付宝迟 (Peking University), June 2, 2021, Wednesday, 10:30 am (UTC+8)

Mr Baochi Fu

Talk title: Global and local spin polarization in heavy-ion collisions ---------- Speaker: Baochi Fu, Peking University ---------- Abstract: In non-central heavy-ion collisions, the produced quark-gluon plasma (QGP) carries a large amount of orbital angular momentum, which couples with the spin of constituent particles and finally induce spin polarization of emitted...

71. The 142nd HENPIC seminar by Prof. Wangmei Zha 查王妹 (University of Science and Technology of China), June 16, 2021, Wednesday, 10:30 am (UTC+8)

Prof. Wangmei Zha

Talk title: Coherent Photoproduction in Relativistic Heavy-ion Collisions ---------- Speaker: Prof. Wangmei Zha, USTC ---------- Abstract: The coherent photon-nucleus and photon-photon interactions has been studied in detail at RHIC and LHC to probe the gluon distribution in nucleus and to test QED via relativistic heavy-ion collisions. These kind of interactions are...

72. The 143rd HENPIC seminar by Prof. Hua Xing Zhu 朱华星 (Zhejiang University), July 1, 2021, Thursday, 10:30 am (UTC+8)

Prof. Hua Xing Zhu

Talk title: Probing Gluon Spin Correlation with Jet Substructure ---------- Speaker: Prof. HuaXing Zhu, Zhejiang University ---------- Abstract: The study of spin effects in QCD has a long history. Precision jet substructure opens new doors for studying these effects. To achieve this goal, one hopes to find a spin-sensitive observable that is also theoretically accessible to...

73. The 144th HENPIC seminar by Dr. Ziyue Wang 王梓岳 (Tsinghua University), July 15, 2021, Thursday, 10:30 am (UTC+8)

Dr Ziyue Wang

Talk title: Damping and polarization rates in near equilibrium spin transport ---------- Speaker: Dr. Ziyue Wang, Tsinghua University ---------- Abstract: The collision terms in spin transport theory are analyzed in Kadanoff-Baym formalism for systems close to equilibrium. The non-equilibrium fluctuations in spin distribution include both damping and polarization, with the...

74. The 145th HENPIC seminar by Prof. Fuqiang Wang 王福强 (Purdue U. & Huzhou U.), August 12, 2021, Thursday, 10:30 am (UTC+8)

Prof. Fuqiang Wang

Talk title: Experimental Status of the Chiral Magnetic Effect ---------- Speaker: Prof. Fuqiang Wang, Purdue U. & Huzhou U. ---------- Abstract: The chiral magnetic effect (CME) has excited immense interest because of its fundamental physics of topological gluon field in QCD and possible connection to the matter-antimatter asymmetry of the universe. It refers to a charge...

75. The 146th HENPIC seminar by Prof. Ang Li 李昂 (Xiamen University), August 26, 2021, Thursday, 10:30 am (UTC+8)

Prof. Ang Li

Talk title: Constraints on the maximum mass of neutron stars with strangeness ---------- Speaker: Prof. Ang Li, Xiamen University ---------- Abstract: The study of neutron star equation of state (EOS) has entered a quantitative age, with a growing body of robust data to clarify the basic facts of these mysterious objects. Constraints on EOS mainly come from theoretical many-body...

76. The 147th HENPIC seminar by Prof. Jiangyong Jia (Stony Brook U. and Brookhaven National Lab.), September 9, 2021, Thursday, 10:30 am (UTC+8)

Prof. Jiangyong Jia

Talk title: New opportunities to probe nuclear deformation using high-energy heavy-ion collisions Abstract: High-energy heavy-ion collisions, a branch of nuclear physics that focus on study of quark-gluon plasma (QGP) and nuclear phase diagram, have always assumed an initial condition from the nuclear structure physics, e.g. the Woods-Saxon geometry. Recent progress in hydrodynamic modeling...

77. The 148th HENPIC seminar by Dr. Prithwish Tribedy (Brookhaven National Lab.), September 16, 2021, Thursday, 10:30 am (UTC+8)

Talk title: Blind analysis of isobar data and search for the Chiral Magnetic Effect by the STAR Collaboration Abstract: Relativistic heavy ion collisions (HICs) at the modern accelerators like the Relativistic Heavy Ion Collider and the Large Hadron Collider provide unique testing ground for the Quantum Chromodynamics (QCD) at high energies. The early stages of such collisions generate...

78. The 149th HENPIC seminar by Dr. Xiaojian Du (Bielefeld University), Sep. 23, 2021, Thursday, 2:00pm (Beijing time)

Talk title: Pre-equilibrium QCD plasma in heavy-ion collisions Abstract: Non-equilibrium systems are omnipresent in nature. QCD plasma out of equilibrium and its equilibration are of particular interest giving that the relativistic heavy-ion collisions (HICs) produce the non-equilibrium quark-gluon plasma (QGP) which eventually emerges to thermal hydrodynamic states. We investigate the...

79. The 150 HENPIC seminar by Shuzhe Shi, Stony Brook University and McGill University, October 8, 2021, Friday, 10:30am (Beijing time)

Title: Reconstruction of heavy-quark potential from Bottomonium spectrum using DNN Abstract: Bottomonium states are key probes for experimental studies of the quark-gluon plasma (QGP) created in high-energy nuclear collisions. Theoretical models of bottomonium productions in high-energy nuclear collisions rely on the in-medium interactions between the bottom and antibottom quarks. The...

80. The 151th HENPIC seminar by Prof. Jinlong Zhang, Shandong University, Oct. 21, 2021, Thursday, 10:30 am (Beijing time)

Title: Probing neutron skin thickness with parity-violating electron scattering Abstract: The difference of the root-mean-square radii of neutron and proton distributions inside nucleus is referred to as "neutron skin" which is of fundamental importance in nuclear physics and relativistic heavy-ion collisions. Neutron skin thickness is sensitive to the density dependence of symmetry energy...

81. The 152th HENPIC seminar by Dr. Kai Zhou, FIAS, Nov. 4, 2021, Thursday, 10:30am (Beijing time)

Title: Deeping Learning for Inverse Problems in High Energy Nuclear Physics Abstract: Inverse Problems occur in almost all research areas, especially in the context of basic research for the exploration of matter related to high energy nuclear physics. Due to the indirect noisy observation or even 'ill-posedness', it's usually challenging to handle the inverse problem. In this talk I will...

82. The 153th HENPIC seminar by Dr. Shuai Yang (SCNU), on Nov. 25, Thursday, 10:30 am, beijing time, 2021

Title: Converting light into matter: using the Breit-Wheeler process to probe QGP medium Abstract:The Lorentz boosted electromagnetic fields shrouding relativistic heavy ions can be treated as a flux of linearly polarized quasi-real photons. The Breit-Wheeler process is the simplest process in quantum electrodynamics for converting light quanta into a matter lepton and its anti-matter...

83. The 154th HENPIC seminar by Dr. Yuxiang Zhao, IMP, CAS, Dec. 9th, 2021, Thursday, 10:30am (Beijing time)

talk title: Electron Ion Collider in China (EicC) abstract: Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project, an Electron-ion collider in China (EicC) has been proposed. It will be constructed based on an upgraded heavy-ion accelerator, High Intensity heavy-ion...

84. The 155th HENPIC seminar by Dr. Song Zhang, Fudan Uni., Dec. 23rd, 2021, Thursday, 10:30am (Beijing time)

Title: α-cluster structure influence in relativistic heavy-ion collisions Abstract:Relativistic heavy-ion collisions aim at searching for the quark-gluon plasma (QGP) and investigating its properties. Collective flow is one of the excellent probes of QGP and many observables in the collisions are constructed based on the collective flow itself or the flow analysis method. The influence...

85. The 156th HENPIC seminar by Dr. Yifeng Sun, Uni. of Catania, January 6th, 2022, Thursday, 10:30 am (Beijing time)

Title: Impact of the initial electromagnetic field on heavy quarks and leptons from Z0 decay and Z0 leptonic invariant mass Speaker: Dr. Yifeng Sun, University of Catania Abstract: Ultra-relativistic heavy ion collisions are expected to generate a huge electromagnetic (e.m.) field that is envisaged to induce several effects on hot QCD matter including the possibility of local parity and...

86. The 157th HENPIC seminar by Dr. Chunjian Zhang, Stony Brook Uni. Jan. 20, 2022, Thursday, 10:30am (Beijing time)

Talk title: Imaging the shape of nuclei at high-energy colliders: towards a new type of nuclear phenomenology Abstract:Nuclear deformation is a ubiquitous phenomenon for most atomic nuclei, reflecting collective motion induced by interaction between valance nucleons and shell structure. Recent progress in hydrodynamic modeling together with the wealth of precision collective flow data,...

87. The 158th HENPIC seminar by Dr. Yi-Lun Du, University of Oslo, Feb. 10th, Thursday, 15:00 (Beijing time)

TITLE: Deep learning jet modifications in heavy-ion collisions ABSTRACT: Jet interactions in a hot QCD medium created in heavy-ion collisions are conventionally assessed by measuring the modification of the distributions of jet observables with respect to the proton-proton baseline. However, the steeply falling production spectrum introduces a strong bias toward small energy losses that...

88. The 159th HENPIC seminar by Prof. Yi-Bo Yang, ITP/CAS (中科院理论物理研究所)，Feb. 24, 2022, Thursday, 10:30am (Beijing time)

Title: Hadron mass and its origin Abstract:Quantum chromodynamics (QCD) claims that the major source of the nucleon invariant mass is not the Higgs mechanism but QCD energy momentum tensor trace anomaly, and further decomposition is favorable through different components of the QCD Hamiltonian. I will introduce the present lattice QCD progress on the hadron mass origin and discuss current...

89. The 160 HENPIC seminar by Dr. Xinye Peng (彭忻烨), China University of Geosciences (中国地质大学), March 10, 2022, Thursday 10:30 (Beijing time)

TITLE: Recent open heavy-flavour results with ALICE at the LHC Dr. Xinye Peng, China University of Geosciences (Wuhan) Abstract: In the ultra-relativistic heavy-ion collisions at the Large Hadron Collider (LHC), a state of color-deconfined matter, called quark-gluon plasma (QGP), is created. Heavy quarks are produced in the early stage of the collisions, they suffered the entire...

90. The 161th HENPIC seminar by Dr. Wenbin Zhao, from Wayne State University, on Thursday 10:30 am, March 24 (https://lbnl.zoom.com.cn/j/421173735)

Title: Coupled approach to solving the $𝐑_{𝐀𝐀}$ ⊗ $𝐯_𝟐$ puzzle and the collectivity in ultra-peripheral Pb+Pb collisions Abstract: In the first part of the talk, we combine hydrodynamics, quark coalescence and jet quenching as well as the hadron cascade, and study their effects on hadron spectra and flow. Our new theoretical framework combines 1) the Coupled Linearized Boltzmann Transport...

91. The 162th HENPIC seminar by Dr. Qipeng Hu, from Lawrence Livermore National Laboratory, on Thursday 10:30 am, April 14 (https://lbnl.zoom.com.cn/j/421173735)

Title: Recent heavy-flavor and jet substructure results from ATLAS Abstract: Latest measurements of heavy-flavor and jet substructure in Pb+Pb collisions from ATLAS are presented in this seminar. Heavy-flavor (charm and bottom) quarks and energetic jets in A+A collisions serve as powerful tools to study quark-gluon plasma (QGP) properties and QGP-induced energy loss. Nuclear...

92. The 163th HENPIC seminar by Yayun He (贺亚运), South China Normal Uni., April 28, 2022, Thursday, 10:30am (Beijing)

Title: Jet energy loss distributions, anisotropy flow, and transverse gradient tomography of jet quenching in heavy-ion collisions. Abstract: Energy loss and transverse momentum broadening of a propagating parton are twin consequences of jet quenching due to the interaction with the QGP produced in heavy-ion collisions. On one hand, based on the factorization in perturbative QCD, we firstly...

93. The 164th HENPIC seminar by Dr. Jianhui Zhu, INFN-Padova (IT), May 12th, 2022, Thursday, 10:30am (Beijing time)

Title of the talk: Heavy-flavor production and hadronisation with ALICE at the LHC Abstract: The transition from quarks to hadrons is a fundamental process in nature that can be studied at colliders. Given their mass on the GeV scale, charm and beauty quarks are mainly produced in the hard scattering processes occurring in the early stages of the hadronic collisions. Compared to the...

94. The 165th HENPIC seminar by Prof. Jiangming Yao, Sun Yet-sen University, May 26, 2022, Thursday 10:30am (Beijing time)

Title: Advances in modeling nuclear matrix elements of neutrinoless double beta decay Abstract: Nuclear weak decays provide important probes to fundamental symmetries in nature. In particular, an observation of the hypothetical neutrinoless double-beta (0νββ) decay would unambiguously demonstrate the Majorana nature of neutrinos and the existence of the lepton-number-violation process. It...

95. The 166th HENPIC seminar by Dr. Kaijia Sun, Texas A&M University, June 9th, 2022, Thursday, 10:30 am (Beijing time)

Title: Spinodal Enhancement on Light Nuclei Yield Ratio in Relativistic Heavy Ion Collisions Abstract: The search for a first-order phase transition and the critical point (CP) in the phase diagram of Quantum Chromodynamics (QCD) is the central goal of the beam energy scan (BES) program in relativistic heavy ion collisions. Due to the composite structures of loosely bound nuclei, their...

96. The 167th HENPIC seminar by Prof. Min He, Nanjing University of Sci. & Tech., June 23th, Thursday, 10:30 am (Beijing time)

Title: Collectivity of J/ψ Mesons in Heavy-Ion Collisions The production of J/ψ mesons in heavy-ion collisions at the Large Hadron Collider is believed to be dominated by the recombination of charm and anticharm quarks in a hot QCD medium. However, measurements of the elliptic flow (v2) of J/ψ mesons in these reactions are not well described by existing calculations of J/ψ recombination for...

97. The 168th HENPIC seminar by Prof. Xiaozhi Bai, USTC, July 7th, Thursday, 10:30am (Beijing time)

Talk title: Recent quarkonium measurements with ALICE Abstract: Quarkonium production is one of the essential probes to the properties of the quark-gluon plasma (QGP) formed in relativistic heavy-ion collisions. The suppression of J/ψ due to color screening in the medium was initially proposed as a direct evidence of QGP formation. The final observed J/ψ are influenced by the...

98. The 169th HENPIC seminar by Prof. Feng Li, Lanzhou Univ., July 21, 2022, Thursday, 10:30 am (Beijing time)

Title: Jet Quenching at Finite Chemical Potentials and Near the Critical End Point (https://lbnl.zoom.us/j/421173735?pwd=Z0IwTlM3eDB6UUo1L0VjaXdTQ2hBQT09) Abstract: Jet quenching parameter $\hat{q}$ is an essential parameter that characterizes the interaction strength between jet partons and the QGP. Based on the quark-meson model, we conduct a first calculation on $\hat{q}$ at finite...

99. The 170th HENPIC seminar by Prof. Qun Wang, and Dr. Xu Sun, a topical discussion on vector meson global spin alignment, August 4, 2022, Thursday, 10:30am (Beijing time)

Title: Spin alignments of vector mesons - new frontier of spin dynamics Speaker: Prof. Qun Wang, USTC Abstract:We present a relativistic spin Boltzmann equation (SBE) for spin dynamics of vector mesons based on Kadanoff-Baym equations. Using SBE and an effective quark-meson model, we calculate $\rho_{00}$ (the 00-element of the spin density matrix) for $\phi$ mesons in heavy-ion...

100. The 171th HENPIC seminar by Prof. Jian-ping Chen (JLab), Aug. 18th, Thursday, 10:30 am (UTC+8)

Talk Title: Overview of the JLab SoLID Program: Intensity Frontier for High Energy Nuclear Physics

Abstract: The SoLID device at Jefferson Lab pushes the limit of the intensity frontier to a new level. The advancements in detector, data acquisition and data processing technologies enables SoLID to have orders-of-magnitude improvement in figure-of-merit (luminosity and acceptance) over the...

101. The 172nd HENPIC seminar by Dr. Jianwei Qiu (邱建伟)

Title: Nuclear Femtography - QCD and hadron physics at a Fermi scale

Abstract: The proton and neutron, collectively called nucleons, are the fundamental building blocks of all atomic nuclei that make up essentially all the visible matter in the universe.  More than 50 years of study has revealed that nucleons are composed of elementary particles called quarks and gluons, whose interactions...

102. The 173rd HENPIC seminar by Prof. Xiaojun Yao (姚晓骏)

Title: Quantum Simulation for Heavy Ion Collisions

Abstract: The scientific objective of heavy ion collision experiments is to study the properties of the quark-gluon plasma (QGP), a hot and dense phase of nuclear matter. Perturbative calculations and nonperturbative methods such as the lattice method and the holography at finite temperature have led to many interesting results regarding...

103. The 174th HENPIC seminar by Prof. Guang-You Qin (秦广友)

Title: Jets and heavy flavors in heavy-ion collisions

Abstract: When the matter is heated up to 2 trillion degrees Kelvin, the quark-gluon plasma (QGP) can be formed. Such new state of matter consist of deconfined quarks and gluons, which are ordinarily confined inside nucleons or other hadrons. It is believed that shortly after the Big Bang, the early universe was filled with hot and dense...

104. The 175th HENPIC seminar by Dr. Xiaoxuan Chu (褚晓璇)

Title: Di-hadron correlations and implication of gluon saturation

Abstract: The gluon distribution function grows with lower and lower momentum fraction 𝑥 very fast. As the total scattering cross section is bound by quantum mechanics, the raise of the gluon density has to be tamed, which is explained by gluon recombination under the color glass condensate (CGC) framework. A definitive...

105. The 176th HENPIC topic discussion on UPC by Profs. Shi Pu (浦实) and Wangmei Zha (查王妹)

Title: Lepton pair photoproduction in peripheral, ultra-peripheral and isobar heavy-ion collisions

Abstract: We have studied the lepton pair photoproduction in ultra-peripheral, peripheral and isobar collisions in the classical field approximation with the wave packet description of nuclei. We derive a general form of the cross section in terms of photon distributions which depend on the...

106. The 177th HENPIC seminar by Ms. Fanyi Zhao

Title: Quantum Simulation for Phase Transitions

Abstract: The Nambu-Jona-Lasinio (NJL) model has been widely studied for investigating the chiral phase structure and chirality charge of strongly interacting matter. The study of the thermodynamics of field theories within the framework of Lattice Field Theory is limited by the sign problem, which prevents Monte Carlo evaluation of the...

107. The 178th HENPIC seminar by Prof. Jinfeng Liao

Title: Anomalous Transport in Chiral Matter

Abstract: Gauge fields provide the fundamental interactions in the Standard Model of particle physics. Gauge field configurations with nontrivial topological windings are known to play crucial roles in many important phenomena, from matter-anti-matter asymmetry of today's universe to topological phases in condensed matter. Their presence is...

108. The 179th HENPIC seminar by Dr. Zaochen Ye

Title: Probing a new regime of ultra-dense gluonic matter using high-energy photons with the CMS Experiment

Abstract: Gluons are found to become increasingly dominant constituents of nuclear matter when being probed at higher energies or smaller Bjorken-x values. This has led to the question of the ultimate fate of nuclear gluonic structure and its interaction with external probes at...

109. The 180th HENPIC seminar by Prof. Chun Shen

Title: 3D modeling of the collective behaviors in relativistic heavy-ion collisions

Abstract: Three-dimensional modeling of relativistic heavy-ion collisions has become an essential phenomenological tool for quantitatively studying Quark-Gluon Plasma's properties. In this seminar, I will discuss building a comprehensive 3D framework to study the collective bulk dynamics in heavy-ion...

110. The 181st HENPIC seminar by Prof. Craig D. Roberts

Title: Perspective on the Emergence of Nature’s Principal Mass Scale

Abstract: Visible matter is characterised by a single mass scale; namely, the proton mass. The proton's existence and structure are supposed to be described by quantum chromodynamics (QCD); yet, absent Higgs boson couplings, chromodynamics is scale invariant. Thus, if the Standard Model is truly a part of the theory of...

111. The 182nd HENPIC seminar by Dr. Wenbin Zhao

Title: Accessing structure of protons and nuclei at small x at the Electron-Ion Collider

Abstract:Determining the structure of protons and nuclei at high energy is one of central goals of the heavy-ion collisions and the future Electron-Ion Collider (EIC). To extract the proton shape fluctuations from HERA exclusive vector meson production data, we apply Bayesian inference and determine...

112. The 183rd HENPIC seminar by Prof. Jun Xu

title: Probing neutron skin with free spectator nucleons in ultracentral relativistic heavy-ion collisions

abstract:
The neutron-skin thickness is one of the most robust probes of the slope parameter of the nuclear symmetry energy, which is responsible for the main uncertainty of the nuclear matter equation of state. Relativistic heavy-ion collisions may serve as a complementary...

113. The 184th HENPIC seminar by Prof. Tianbo Liu

Title: Spin 3/2 hadron: its polarization and fragmentation functions

Abstract: The spin, as a fundamental property of all particles, is proven a powerful quantity to test theories and models in hadron physics. The measurement of the polarization of a hadron produced in high energy scatterings provides an opportunity to understand the property of strong interaction. In this seminar, we will...

114. The 185th HENPIC seminar by Prof. Zhangbu Xu

Title: Quantum Entanglement Enabled Nuclear Tomography

Abstract: A linearly polarized photon can be quantized from the Lorentz-boosted electromagnetic field of a nucleus traveling at ultra-relativistic speed. When two relativistic heavy nuclei pass one another at a distance of a few nuclear radii, these photons from the two nuclei can interact with each other in the Breit-Wheeler process....

115. The 186th HENPIC seminar by Dr. Yapeng Zhang

Title: Hypernuclei collective flow and its implication on the in-medium hyperon-nucleon interaction

Abstract: Hyperon-nucleon (YN) interaction is fundamentally important for exploring the nature of strong interaction. Density dependent YN and YNN interaction are essential inputs for understanding the inner structure of neutron stars. Heavy-ion collision is a unique tool to create dense...

116. The 187th HENPIC seminar by Prof. Jian Zhou

Title: High energy asymptotic behavior of gluon OAM

Abstract: Gluon generalized parton distribution (GPD) Eg plays an important role in nucleon sipn sum rules. In this talk, I will discuss the small-x evolution of gluon GPD Eg. We found that Eg at vanishing skewness exhibits the Regge behavior identical to the BFKL Pomeron despite its association with nucleon helicity-flip processes. We...

117. The 188th HENPIC seminar by Prof. Xiaohui Liu

Title: Nucleon Energy Correlators

Abstract: Nucleon energy correlators are a class of new observables that measure the energy flow of particles out of the smashed nucleons or nucleus. In this talk, I will discuss their properties and demonstrate how they can be accessed at colliders. I will show examples how they could provide new insight into the nucleon/nucleus structures.

118. The 189th HENPIC seminar by Dr. Weiyao Ke

Title: An extend range of sound dominance in the quark-gluon plasma

Abstract: The quark-gluon plasma (QGP) is a hot and dense state of matter governed by quantum chromodynamics (QCD). Like many other QCD systems, QGP displays different properties when probed at different scales. At long wavelengths (small gradients), phenomenological evidence suggests that it is a nearly perfect liquid;...

119. The 190th HENPIC seminar by Prof. Weizhi Xiong

Title: Current Status of Proton Charge Radius Puzzle

Abstract: The proton electric charge radius (rp) is an important quantity as it characterizes the spatial distribution of the proton's charge, and is also an essential physical input for the bound-state Quantum Electrodynamics calculations for the hydrogen atomic energy levels. In 2010, an unprecedentedly precise result was obtained using...

120. The 191th HENPIC seminar by Prof. Shuzhe Shi

Title: Real-time non-perturbative dynamics of jet production: quantum entanglement and vacuum modification

Abstract: The production of jets should allow to test the real-time response of the QCD vacuum disturbed by the propagation of high-momentum color charges. Addressing this problem theoretically requires a real-time, non-perturbative method. As a step in developing such an approach, we...

121. The 192th HENPIC seminar by Dr. Shujie Li

Title: Nucleon-nucleon interactions at short distances

Abstract: Among the four known fundamental forces or interactions, gravitation and electromagnetism are close to daily life, while the strong and weak forces only reveal themselves at sub-atomic or smaller scales. The strong force, which is mediated by gluon exchange between quarks confines quarks into protons and neutrons (nucleons)....

122. The 193th HENPIC seminar by Dr. Hai-Tao Li

Title: Heavy flavors on the lattice

Abstract: Heavy flavors, including heavy quarks and quarkonium (quark-antiquark bound states), are produced in the early stages of the ultra-relativistic heavy-ion collisions due to their large mass. Since they witness the entire evolution of the collisions, we can use them to probe the hot quark-gluon-plasma medium created in the collisions. By...

123. The 194th HENPIC seminar by Prof. Ian Moult

Title: Imaging the Intrinsic and Emergent Scales of QCD with Colliders

Abstract: The most powerful means of exploring nature at small length scales is through the use of particle colliders. Colliders smash particles together at high energies, briefly producing new particles through quantum fluctuations, which then decay into complicated sprays of energy in surrounding detectors. Much in...

124. The 214th HENPIC Seminar by Prof. Xiaohui Liu, Sep. 12th 2024

Prof. Xiaohui Liu (Beijing Normal University)

Title: Energy Correlators for Hadronic Structures

Abstract: "The energy correlator event shapes have recently become a focal point of research, garnering significant attention within the community. In this talk, I will delve into their potential applications in investigating nucleon/nucleus structures and exploring new probes to the heavy flavor fragmentation."

125. The 215st HENPIC seminar by Dr. Zhiwan Xu, UCLA ，Sep. 19th, 2024, Thursday, 10:30am (Beijing time)

Zhiwan Xu (UCLA)

Title: Search for the Chiral Magnetic Effect with STAR Beam Energy Scan-II Data

Abstract:
The chiral magnetic effect (CME), a novel quantum chromodynamics (QCD) phenomenon, can lead to a charge separation along an external magnetic field for massless quarks with chirality imbalance. It violates local P and CP symmetries in strong interactions. Experiments at Relativistic Heavy-Ion Collider...

126. The 216th HENPIC seminar by Bin Yan (岩斌), IHEP of CAS, Oct. 10, 2024, Thursday 10:30 am (Beijing time)

Prof. Bin Yan (IHEP of CAS)

Title: Transverse spin asymmetry as a probe of new physics beyond the SM

Speaker: Bin Yan

Abstract:
The absence of signals for new heavy resonances at the LHC suggests that the scale of new physics (NP) likely significantly exceeds the electroweak scale. The Standard Model Effective Field Theory (SMEFT) has become a valuable framework for systematically capturing potential NP effects,...

127. The 217th HENPIC seminar by Yen-Jie Lee, MIT, Oct. 17-2024, Thursday 10:30 am (Beijing time)

Prof. Yen-Jie Lee (MIT)

Title: Evidence of the medium response to hard probes with Z-hadron correlations in PbPb and pp collisions at \sqrt{s_{NN}} = 5.02 TeV

Abstract: The first measurement of low transverse momentum (p_{T}) charged hadron pseudorapidity and azimuthal angle distributions relative to Z bosons in PbPb collisions at \sqrt{s_{NN}} = 5.02 TeV is presented. This study utilizes PbPb collision data...

128. The 218th HENPIC seminar by Somadutta Bhatta, Stony Brook University, Nov 07-2024, Thursday 10:30 am (Beijing time)

Mr Somadutta Bhatta (Stony Brook University)

Title:
Insights into Nuclear Geometry and Initial Conditions of Heavy-Ion Collisions from ATLAS

Abstract:
Constraining the properties of Quark-Gluon Plasma (QGP) formed in heavy-ion collisions faces significant uncertainties from modeling of initial conditions. Recent measurements show that the overlap region captures a snapshot of nuclear geometry on an event-by-event basis, which, in...

129. The 219th HENPIC seminar by Yuxiang Zhao (赵宇翔) , IMP, Nov. 21-2024, Thursday 10:30 am (Beijing time)

Prof. Yuxiang Zhao

Title:
Electron-Ion Collider in China

Abstract:
Studying the origin of nucleon spin and mass in Quantum Chromodynamics (QCD) is essential for understanding the fundamental constituents of visible matter and the underlying strong force that governs their interactions. The Electron-ion collider in China (EicC) has been proposed to carry out dedicated research to explore these open...

130. The 220th HENPIC seminar by Dr. Jiaxing Zhao，Dec. 19, 2024, Thursday, 10:30am (Beijing time)

Jiaxing Zhao

Title: Heavy flavor production in high-energy proton-proton and heavy-ion collisions in EPOS4 framework

Abstract:
Quantitative studies of the properties of hot QCD matter — QGP — are a central goal of ultrarelativistic heavy-ion collisions. In addition, proton-proton collisions also show the evidence for the formation of a small QGP droplet, although the corresponding system size is no...

131. The 221th HENPIC seminar by Song He (何松), Ningbo University, Jan. 09-2025, Thursday 10:30 am (Beijing time)

Prof. Song He

Title: Mapping QCD Phase Diagram via Data-based Holographic model

Abstract:
In this report, we propose a unified data-based holographic QCD model. This model quantitatively describes the equations of state (EoS) for 2+1-flavor QCD, 2-flavor QCD, and the SU(3) pure gluon system, utilizing lattice QCD data and existing data on the QCD EoS from the STAR collaboration. The model provides a...

132. The 222th HENPIC seminar by Dr. Viinikainen, Jussi (Vanderbilt University), Jan 16, 2025, Thursday 10:30 am (Beijing time)

Dr Jussi Viinikainen

Title: The First Measurement of Medium Modification of Energy-Energy Correlator
Speaker: Jussi Viinikainen (Vanderbilt University)

Abstract:
Energy-energy correlators can isolate physics of different angular scales, which has attracted a lot of interest recently to study it in heavy ion environments. Any modification from proton-proton reference can reveal hints about the inner...

133. The 223th HENPIC seminar by Prof. Li Yan (严力), Fudan University，Feb. 20-2025, Thursday, 10:30am (Beijing time)

Prof. Li Yan

Title:
QCD Speed of Sound and QCD Thermalization

Abstract:
The thermalization of quark-gluon plasma (QGP) created in heavy-ion collisions is crucial for understanding its behavior as a relativistic fluid and the thermodynamic properties of the Quantum Chromodynamics (QCD). For instance, QGP thermalization plays a significant role in the search of QCD critical point in the beam energy...

134. The 224th HENPIC seminar by Kai Zhou (周凯)，CUHK-SZ (港中深)，Mar. 27-2025, Thursday, 2:00pm (Beijing time)

Prof. Kai Zhou (CUKH-SZ)

Title: Exploring QCD Matter in Extreme Conditions with Machine Learning

Abstract:
In recent years, machine learning has emerged as a powerful computational tool and novel problem-solving paradigm for physics, offering new avenues for studying strongly interacting QCD matter properties under extreme conditions. In this talk, I will try to provide an overview of the application of machine...

135. The 225th HENPIC seminar by Longgang Pang (庞龙刚)，CCNU(华中师大)，April 03-2025, Thursday, 10:30am (Beijing time)

Prof. Longgang Pang (CCNU)

Title: Bridging Physical Simulations of Heavy Ion Collisions with AI for Scientific Discovery

Abstract:

Relativistic heavy-ion collisions recreate an exotic state of nuclear matter—the quark-gluon plasma (QGP)—mirroring the primordial matter that permeated the universe within its first microseconds after the Big Bang. This extreme state of matter exhibits extrodinary properties: it is...

136. The 226th HENPIC Roundtable Discussion by Tianbo Liu，Shuyi Wei and Jinlong Zhang; SDU (山东大学)，May 08 2025, Thursday, 9:30am (Beijing time)

Prof. Tianbo Liu, Shuyi Wei and Jinlong Zhang (SDU)

Topics:
1. Three-d polarized quark distributions in the nucleon (Prof. Liu)
2. Spin correlations in unpolarized high-energy collisions (Prof. Wei)
3. Spin experiments at RHIC (Prof. Zhang)

About the speakers:
Prof. Liu obtained B.S. and Ph.D. in 2010 and 2015 from Peking University. He held postdoc at Duke University and Jefferson Lab before joining SDU. He received the Gary McCartor...

21. The 84th HENPIC seminar by Kai-jia Sun(孙开佳), Texas A&M University, Aug. 22, 2019, Thursday, 10:30 am (Beijing time)

---------- Title: Light nuclei production as a probe of QCD phase diagram ---------- Abstract: Fluctuation signals of phase transitions from quark-gluon plasma (QGP) to hadronic matter can greatly advance our knowledge of the nature of strong interaction. In relativistic heavy-ion collisions, the enhanced density fluctuations due to phase transitions (either first-order or...

22. The 85th HENPIC seminar by Dr. Guan-nan Xie (谢冠男), Lawrence Berkeley National Lab, Sept. 19, Thursday 10:30 am (Beijing time)

---------- Title: Measurement of Open Heavy Flavor Production in Au+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV in STAR ---------- Abstract: Due to the large mass, heavy quarks are suggested to be an important tool for studying the properties of the Quark Gluon Plasma (QGP) produced in heavy-ion collisions. In this presentation, we will report on the measurements of production of...

7. The 86th HENPIC seminar by Jie Zhao (赵杰), Purdue University, Dec. 12-2019, Thursday 10:30 am (Beijing time)

Title: Search for the chiral magnetic effect in relativistic heavy-ion collisions ------------------------------------------------------------------------------------------------------ Speaker: Jie Zhao (赵杰), Purdue University Date: Thursday, Dec. 12, 10:30 am (Beijing time) Download: https://pan.baidu.com/s/1KDPSLBjYd7kmOqKjYndzQg access code: vmgj...

10. The 87th HENPIC seminar by Feng Li (李峰)， Lanzhou University (兰州大学)，Dec. 24-2019, Thursday, 10:30am (Beijing time)

---------- Title: Linear response theory and its application in the heavy-ion collisions ---------- Abstract: The linear response theory describe the system reaction against an external perturbation which drives the system away from the equilibrium, and is therefore widely used for studying the relaxation or the instability of a system near equilibrium. I will give an...

12. The 88th HENPIC seminar by Dr. Qipeng Hu (胡启鹏), University of Colorado Boulder, US (美国科罗拉多大学博尔德分校)，Jan. 16-2020, Thursday, 10:30am (Beijing time)

---------- Title: Recent heavy-flavor results from ATLAS ---------- Speaker: Dr. Qipeng Hu (胡启鹏),  University of Colorado Boulder, US (美国科罗拉多大学博尔德分校) ---------- Date: Thursday, Jan. 16, 2020, 10:30 am (Beijing time) ---------- Abstract:    ---------- In A+A collisions, heavy-flavor (charm and bottom) quarks are created at the initial stage of the...

13. The 89th HENPIC seminar by Dr. Xiaojun Yao (姚晓骏), MIT, US (麻省理工学院)，Feb.6., 2020, Thursday, 10:30am (Beijing time)

---------- Title: From Open Quantum System to Quarkonium Transport inside Quark-Gluon Plasma ---------- Abstract:   ---------- The production of heavy quarkonium in heavy ion collisions has been used as an important probe of the quark-gluon plasma. Transport equations that take into account static plasma screening effect, dissociation and recombination have achieved...

14. The 90th HENPIC seminar by Prof. Yi Yin (尹伊), Institute of Modern Physics, CAS (中科院近代物理所)，Feb.13, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Pre-hydrodynamics and pre-hydrodynamic response ---------- Abstract:   ---------- We propose a new scenario characterizing the transition of the quark-gluon plasma (QGP) produced inheavy-ion collisions from a highly non-equilibrium state at early times toward a fluid described by hydrodynamics at late times. In this scenario, the bulk evolution is...

15. The 91st HENPIC seminar by Prof. Jian Zhou (周剑), Shandong Univ. (山东大学)，Feb.17, 2020, Monday, 10:30am (Beijing time)

---------- Title: Probing the linear polarization of coherent photons in heavy ion collisions ---------- Abstract:   We propose to measure the linear polarization of the external electromagnetic fields of a relativistic heavy ion through azimuthal asymmetries in dilepton production. I will also show that the linearly polarized photons can be used as a powerful probe to study...

16. The 92nd HENPIC seminar by Dr. Shuai Liu (刘帅), Institute of Modern Physics, CAS (中国科学院近代物理所)，Feb.20, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Spin polarizations in a covariant angular momentum conserved chiral transport model ---------- Abstract:   Using a covariant and total angular momentum conserved chiral transport model, which takes into account the spin-orbit interactions of chiral fermions in their scatterings via the anomalous side jump effect, we study the quark spin polarizations in quark...

17. The 93rd HENPIC seminar by Prof. Nihar Ranjan Sahoo, Shandong University (山东大学)，Feb.27, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Direct photon+jet and h+jet measurement: STAR heavy-ion physics to future forward upgrade ---------- Abstract:   The hot-dense QCD medium, popularly known as Quark-Gluon Plasma (QGP), is believed to be formed in the relativistic heavy-ion collider experiments. A high energetic parton traversing through this state of matter loses energy by radiating gluons due to its...

18. The 94th HENPIC seminar by Prof. Min He(何敏), Nanjing University of Science and Technology (南京理工大学)，March 5, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Charm-hadron production in pp and AA collisions ---------- Abstract:   The enhancements of D_s/D^0 and Lambda_c/D^0 ratios in heavy-ioncollisions as recently measured at RHIC and the LHC have posedchallenges for theoretical models. We address these puzzles bydeveloping a theoretically controlled hadronization framework of heavyquarks that conserves 4-momentum and...

19. The 95th HENPIC seminar by Prof. Bowen Xiao(肖博文), Central China Normal University (华中师范大学)，March 12, 2020, Thursday, 10:30am (Beijing time)

---------- Title:  The Collectivity of Heavy Mesons in pA collisions ---------- Abstract:   Employing a model based on the Color Glass Condensate framework, we systematically study the azimuthal angular correlations between a heavy flavor meson and a light reference particle in proton-nucleus collisions. The obtained second harmonic coefficients (also known as the elliptic flows)...

20. The 96th HENPIC seminar by Prof. Hengne Li(李衡讷), South China Normal University (华南师范大学)，March 19, 2020, Thursday, 13:00 pm (Beijing time)

Prof. Hengne Li (South China Normal University)

---------- Title: Strong physics at LHCb: probing nuclear matter effects in small systems ---------- Abstract:   The Standard Model of particle physics has demonstrated its predictive power in the electroweak and Higgs sectors, through the long-anticipated discovery of the Higgs boson and the per-mille-level agreement between direct and indirect determinations of the W-boson mass....

23. The 97th HENPIC seminar by Prof. Haojie Xu (徐浩洁), Huzhou University (湖州师范学院)，March 26, 2020, Thursday, 10:30am (Beijing time)

Dr Haojie Xu (Huzhou University)

---------- Title: Importance of non-flow background on the chiral magnetic wave search ---------- Abstract:   An observable sensitive to the chiral magnetic wave (CMW) is the charge asymmetry dependence of the π− and π+ anisotropic flow difference, Δvn(Ach). We show that, due to non-flow correlations, the flow measurements by the Q-cumulant method using all charged particles as...

24. The 98th HENPIC seminar by Dr. Zaochen Ye (叶早晨), Rice University (美国莱斯大学)，April 2nd, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Quarkonium Measurements in p+p, p+Au and Au+Au Collisions at 200 GeV with the STAR Experiment ---------- Abstract:   Measurements of quarkonium production are an important tool to study the properties of the Quark-Gluon Plasma (QGP) formed in relativistic heavy-ion collisions. Quarkonium suppression due to the color-screening effect was proposed as a direct evidence of...

25. The 99th HENPIC seminar by Dr. Dmytro Oliinychenko, Lawrence Berkeley National Lab (LBNL)，April 9th, 2020, Thursday, 10:30am (Beijing time)

---------- Title: Light nuclei production in ultrarelativistic heavy-ion collisions ---------- Abstract:   Recent measurements of deuteron, triton, hypertriton and helium nuclei in ultrarelativistic heavy ion collisions have become so precise, that the established models -- coalescence and thermal -- are also seeking to improve their precision. I present an alternative theoretical...