第五届粒子物理前沿研讨会 - The Fifth Workshop on Frontiers of Particle Physics

Session

13 Apr 2024, 14:00

Description

中山大学 深圳校区 西教学楼 202

Contribution list Timetable

14. Complementary LHC searches for UV resonances of 0νββ decay operators

Mr 祥 赵 (中山大学)

13/04/2024, 14:00

∆L = 2 lepton number violation at the TeV scale connects $0\nu\beta\beta$ decay (intensity frontier), LHC
searches (energy frontier), and leptogenesis (cosmic frontier). I will focus on some progress on the
promising UV completions of $0\nu\beta\beta$ decay operators, which can be diagnosed with complementary
searches at the HL-LHC and HE-LHC.

28. Macroscopic States as Dark Matter Candidates

Sida Lu (HKUST)

13/04/2024, 14:25

Despite that weakly interacting massive particles are still very well-motivated dark matter candidates, the null-results of direct detection experiments are hints and encouragements that we may need to think of other dark matter paradigms. In this talk, I will discuss the possibility that dark matter consists completely or partially of macroscopic states. It turns out that macroscopic dark...

6. Recent Dark Matter combination summary from ATLAS

Dr Ngoc Khanh Vu (Tsung-Dao Lee Institute, Shanghai Jiao Tong University)

13/04/2024, 14:50

Ref: https://arxiv.org/abs/2306.00641

Results from a wide range of searches targeting different experimental signatures with and without missing transverse momentum ($E^{miss}_T$) are used to constrain a Two-Higgs-Doublet Model (2HDM) with an additional pseudo-scalar mediating the interaction between ordinary and dark matter (2HDM+a). The analyses use up to 139 fb$^{−1}$ of proton-proton...

26. phase transition catalyzed by primordial black hole

Mr Zeng Zhenmin (ITP-CAS)

13/04/2024, 15:15

We investigate the first-order phase transition catalyzed by primordial black holes~(PBHs) in the early Universe. We find that super-horizon curvature perturbations generated in this scenario lead to the production of gravitational waves when the scalar modes re-enter the horizon. If PBHs with masses about $10^{-13}M_{\odot}$ constitute all dark matter, the first-order electroweak phase...