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Description
Abstract:
The LHCb collaboration has announced the first observation of charge-parity symmetry breaking in baryon decays. It is a long-standing puzzle why the CP violation (CPV) in the baryon system is quite different from the meson one.
This presentation demonstrates that individual partial-wave CPV in the bottom-baryon two-body decays can exceed 10%, but the destruction between the partial waves results in a small net direct CPV as measured currently. Our finding highlights the different dynamics responsible for CPVs in baryon and meson decays.
We propose to probe the CPV observables associated with the angular distributions of the multi-body decays, which are large enough for being identified experimentally.
Dr. Jia-Jie Han is currently a Postdoctoral Researcher at Lanzhou University. He received his Ph.D. from Nanjing Normal University in 2022. His research specializes in the phenomenology of baryon decays, with particular emphasis on CP asymmetry mechanisms in baryonic systems. His work bridges theoretical predictions with experimental observables in heavy flavor physics.
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Zoom ID: 94969061185
Password: 869843
Meeting link: https://zoom.us/j/94969061185?pwd=TM3m7nSHQlbvaP5xbnbkzj3BFVEXp0.1
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Recording Download link https://zoom.us/rec/download/h4PEplYCgoeHePsjMktBTffJC6Jfppg75KVWe0pH1JaPRccgb2MneQ8Ntl_UmUiKRL05wLtbCLDiJx4.AAdCTb5Y5KrMo4Ub
PW: 1Bs62s7*
