第十七届TeV工作组学术研讨会

Session

Parallel 1

16 Dec 2023, 14:00

锦江南京饭店

Conveners

Parallel 1

• Fei Gao (Tsinghua University)

Contribution list Timetable

6. Latest Dark Matter Results of the PandaX-4T Experiment

奕 陶 (Shanghai Jiao Tong University)

16/12/2023, 14:00

PandaX-4T experiment is a deep-underground dark matter direct search experiment that employs a dual-phase time projection chamber with a sensitive volume containing 3.7 tonnes of liquid xenon. Along with a series of exotic dark matter model tests, a blind analysis was applied to the full exposure of PandaX-4T recorded data. In this talk, I will discuss the latest dark matter search results of...

7. Dark Matter Annihilation via Breit-Wigner Enhancement with Heavier Mediator

杰 盛 (Shanghai Jiao Tong University, Tsung-Dao Lee Institute)

16/12/2023, 14:15

We propose a new scenario that both the dark matter freeze-out in the early Universe and its possible annihilation for indirect detection around a supermassive black hole are enhanced by a Breit-Wigner resonance. With the mediator mass larger than the total initial dark matter mass, this annihilation is almost forbidden at late times. Thus, the stringent cosmic microwave background and...

16. Sterile Neutrino Portal Dark Matter with Z3 Symmetry

Ang Liu

16/12/2023, 14:30

In this paper, we consider the sterile neutrino portal dark matter with $Z_3$ symmetry. This model further extends the canonical type-I seesaw with a fermion singlet $\chi$ and a scalar singlet $\phi$. Under the $Z_3$ symmetry, the dark sector transforms as $\chi\to e^{i2\pi/3}\chi, \phi\to e^{i2\pi/3}\phi$, while the standard model particles and the sterile neutrino $N$ transform trivially....

1. Probing Inelastic Dark Matter at the LHC, FASER and STCF

致廷 卢 (南京师范大学)

16/12/2023, 14:45

In this talk, we explore the potential of probing the inelastic dark matter (DM) model with an extra $𝑈(1)_𝐷$ gauge symmetry at the Large Hadron Collider, ForwArd Search ExpeRiment and Super Tau Charm Factory. To saturate the observed DM relic density, the mass splitting between two light dark states has to be small enough, and thus leads to some distinctive signatures at these colliders. By...

9. Axion-like Particle Dark Matter and the Baryon Asymmetry

Wei Chao (Beijing Normal University)

16/12/2023, 15:00

In this talk, I will present new mass generation mechanisms for axion-like particles (ALP), and discuss the evolution of these ALP in the early universe. I will also show that the observed baryon asymmetry of the universe can be addressed in this mechanism with the help of the spontaneous baryogenesis mechanism.

11. Freeze-in bino dark matter in high scale supersymmetry

Peiwen Wu (Southeast University)

16/12/2023, 15:15

We explore a scenario of high scale supersymmetry where all supersymmetric particles except gauginos stay at a high energy scale $M_{\rm SUSY}$ which is much larger than the reheating temperature $T_\text{RH}$. The dark matter is dominated by bino component with mass around the electroweak scale and the observed relic abundance is mainly generated by the freeze-in process during the early...

66. Probe axion-like particles at the electron-ion collider

Hongkai Liu

16/12/2023, 15:30