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PKU HEP Seminar and Workshop (北京大学高能物理组)

Lepton flavor violation and seesaw models at future lepton colliders

by Dr Yongchao Zhang (Washington University in St Louis)

Asia/Shanghai
B105 (CHEP)

B105

CHEP

West Building, School of Physics, PKU
Description
Many new physics scenarios beyond the Standard Model often necessitate the existence of a (light) neutral scalar H, which might couple to the charged leptons in a flavor violating way, while evading all existing constraints. One well-motivated example is the minimal left-right symmetric model. Such scalars could be effectively produced at future lepton colliders like CEPC, either on-shell or off-shell, and induce lepton flavor violating (LFV) signals. We find that a large parameter space of the scalar mass and the LFV couplings can be probed, well beyond the current low-energy constraints in the lepton sector.