Prof.
召丰 康
(华中科技大学)
27/08/2021, 09:20
Prof.
Yanwen Liu
(USTC)
27/08/2021, 15:30
Jian Wang
(Shandong University)
28/08/2021, 09:40
楠 鲁
(California Institute of Technology)
28/08/2021, 10:10
洪洮 杨
(Lawrence Berkeley National Laboratory)
28/08/2021, 11:20
Dr
yanping huang
(ihep)
28/08/2021, 14:00
Fábio Alves
(Nanjing University)
28/08/2021, 14:50
Since the discovery of a scalar particle with mass at 125 GeV in the experiments ATLAS and CMS at LHC, different measurements based on its properties have been performed and the observations nicely correspond to the Higgs boson predicted by the Standard Model of particle physics. Among these measurements, the fiducial and differential cross-section play an important role in the test of the SM...
Antonio De Maria
(Nanjing University)
28/08/2021, 15:50
The most recent results for the cross-section measurements of the Higgs boson decaying into tau leptons at the ATLAS experiment will be presented. These results are setting the base for other searches in the Higgs boson sector in the tau final state aiming to look for physics beyond the Standard Model. The analysis is performed using the 139 ifb dataset recorded by the ATLAS experiment at LHC...
Prof.
Dingyu Shao
(Fudan University)
28/08/2021, 16:10
I will discuss nonfactorizable QCD corrections from central jet veto to Higgs boson production at the Large Hadron Collider. At hadron colliders, phase factors in the scattering amplitudes lead to double-logarithmic corrections starting at four-loop order. I will introduce our recent work on the first all-order structure of these “super-leading” logarithms. Our analysis shows that in certain...
Mr
Chengfeng Cai
(Sun Yat-Sen University)
29/08/2021, 09:00
Huaike Guo
(Institute of Theoretical Physics)
, Prof.
Jing Shu
(ITP)
29/08/2021, 09:30
柯盼 谢
(Seoul National University)
29/08/2021, 10:00
We propose a novel primordial black hole (PBH) formation mechanism based on a first-order phase transition (FOPT). If a fermion species gains a huge mass in the true vacuum, the corresponding particles get trapped in the false vacuum as they do not have sufficient energy to penetrate the bubble wall. After the FOPT, the fermions are compressed into the false vacuum remnants to form...
Mr
Shao-Jiang Wang
(ITP)
29/08/2021, 10:20
We derive an effective equation-of-motion for an expanding bubble wall in the thermal plasma with a general form of the thermal friction. The efficiency factor for gravitational waves productions from colliding bubble walls is obtained with a special interest for the strong first-order phase transition.
Primary authors Prof. Rong-Gen Cai (ITP-CAS)， Shao-Jiang Wang
Prof.
Ligong Bian
(Chongqing University)
29/08/2021, 11:20
We numerically investigate the B+L violation process by performing three-dimensional lattice simulations of a unified scenario of first-order phase transitions and the sphaleron generation. The simulation results indicate that the Chern-Simons number changes along with the helical magnetic field production when the sphaleron decay occurs. Based on these numerical results, we then propose a...
Dr
Wei Liu
(Nanjing University of Science and Technology)
29/08/2021, 11:40
We study the complementarity of the proposed multi-TeV muon colliders and the near-future gravitational wave (GW) detectors to the first order electroweak phase transition (FOEWPT), taking the real scalar extended Standard Model as the representative model. A detailed collider simulation shows the FOEWPT parameter space can be greatly probed via the the vector boson fusion production of the...
子航 贾
(Nanjing University)
29/08/2021, 14:30
Searches are performed for non-resonant and resonant di-Higgs boson production in the 𝑏𝑏 ̄𝛾𝛾 final state. The data set used corresponds to an integrated luminosity of 139 fb−1 of proton–proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. No excess with respect to background expectations is found and upper limits on the...
Dr
Junmou （俊谋） Chen （谌）
(KIAS)
29/08/2021, 15:10
We study the measurement of Higgs boson self-couplings through 2 → 3 vector boson scattering (VBS) processes in the framework of Standard Model effective field theory (SMEFT) at both proton and lepton colliders. The SMEFT contribution to the amplitude of the 2 → 3 VBS processes, taking WLWL → WLWLh and WLWL → hhh as examples, exhibits enhancement with the energy A(BSM)/A(SM) ~which indicates...
ABDUALAZEM FADOL MOHAMMED EBRHIM
(高能所)
29/08/2021, 16:20
A study showed that the multilepton anomalies in the LHC data could be explained by adding two real scalar bosons to the SM. This study provides a more comprehensive set of LHC results of the multilepton production. We find that combining such results leads to substantial inconsistencies between the data and SM Monte Carlo predictions. These discrepancies appear in corners of the phase-space...
mengchao Zhang
(itp)
29/08/2021, 17:00
I will discuss the general difficulty in New Physics search, and how to put an upper limit on New Physics scale (which can be detected or excluded in the near future) via strong 1st order electroweak phase transition.
Prof.
Jin Min Yang
(ITP, Beijing)
30/08/2021, 09:30
Lailin Xu
(University of Science and Technology of China)
30/08/2021, 10:00
瀚非 叶
(Nanjing University)
30/08/2021, 10:50
This talk will cover the latest result of searching for heavy Higgs decaying to two tau leptons with the ATLAS full Run2 datasets using pp collison at $\sqrt(s)$ = 13 TeV. This search is performed over the mass range of 0.2-2.5 TeV and the two $\tau$ leptons decay is considered, where at least one $\tau$ decays leptonically. This channel is sensitive at high $\tan\beta$ value acoording to...
Mr
hanlin Xu
(University of Science and Technology of China)
30/08/2021, 11:10
A search for charged Higgs bosons decaying into $W^{\pm} W{^\pm}$ or $W^{\pm} Z$ bosons is performed,
involving experimental signatures with two leptons of the same charge, or three or four leptons with a variety of charge combinations, missing transverse momentum and jets.
A data sample of proton--proton collisions at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at...
Prof.
Igor Ivanov
(SYSU, School of Physics and Astronomy)
30/08/2021, 11:30
New Physics can manifest itself at colliders in the form of a non-minimal Higgs sector. In particular, the Higgs doublets can also come in generations leading to rich phenomenology. In this talk, I will give a brief overview of the three-Higgs-doublet models (3HDM) focusing on novel model-building opportunities, which go beyond the well studied 2HDM case. I will highlight some recent results...
Prof.
Qiang Li
(School of physics, Peking University)
30/08/2021, 11:50
Highly Lorentz-boosted scalar particles (Higgs or Radion) decaying to bb or WW->4q can be reconstructed as single large-radius jets, and identified using jet substructure and deep neural networks. The techniques can be exploited for both the SM Higgs measurement and New Physics Searches. Two recent applications at the CMS experiments will be covered in this talk, including, 1) a search for...
Mr
Yulei Zhang
(Shanghai Jiaotong University)
30/08/2021, 14:30
In contrast to the standard model particles, long-lived particles(LLPs) decay with a significant distance from the primary vertex. We present a novel LLPs search strategy based on machine learning (ML) and image recognition techniques utilizing detector information from future lepton colliders.
Mr
Zhongyukun XU
(Shandong university)
30/08/2021, 14:50
A search for a vector boson produced in addition to two SM Higgs bosons is studied. Three different models are considered either non-resonant production with SM-like or non-SM-like Higgs self-coupling and hhVV coupling, or resonant production in the form of either VH(hh) or A→ZH(hh). Three sub-channel is considered for different decay mode for vector boson to Zll/Wlv/Zvv final states. Only...
Chengcheng Han
(Sun Yat-sen University)
30/08/2021, 15:30
I will present a simple extension of the Standard model to explain the origin of inflation, baryon asymmetry and neutrino masses at the same time.
Prof.
Xiaoping Wang
(Beihang University)
30/08/2021, 15:50
Null results from searches for new physics at the Large Hadron Collider (LHC) enforce the belief that new particles must be much heavier than the weak scale. We undertake a systematic study of the interplay between Higgs alignment and CP-violation in complex two-Higgs-doublet models (C2HDMs), which enables us to construct a CP-violating scenario where new Higgs bosons are close to the weak...
Dr
Nicola Orlando
(Barcelona Institute of Science and Technology)
30/08/2021, 16:10
Prof.
Qiang Li
(School of physics, Peking University)
Xiaoping Wang
(Beihang University)
,
Xiaoping Wang
(Beihang University)
孟超 张
(Jinan University)
Mr
hanlin Xu
(University of Science and Technology of China)
瀚非 叶
(Nanjing University)
,
瀚非 叶
(Nanjing University)
钟煜坤 徐
(Shandong University)
Mr
Yulei Zhang
(Shanghai Jiaotong University)
