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1–4 Jun 2023
Tsung-Dao Lee Institute
Asia/Shanghai timezone

Lepton flavor violating decays lj → liγ in the U(1)XSSM model within the Mass Insertion Approximation

2 Jun 2023, 18:20
5m
Tsung-Dao Lee Institute

Tsung-Dao Lee Institute

1F

Speaker

彤彤 王 (河北大学)

Description

Three singlet new Higgs superfields and right-handed neutrinos are added to MSSM to obtain
U(1)XSSM model. Its local gauge group is SU(3)C × SU(2)L × U(1)Y × U(1)X. In the framework
of U(1)XSSM, we study muon anomalous magnetic moment and lepton flavor violating decays
lj → liγ(j = 2, 3;i = 1, 2) within the Mass Insertion Approximation(MIA). Through the MIA
method, we can find the parameters that directly affect the analytical result of the lepton flavor
violating decays lj → liγ, which make our work more convenient. We want to provide a set of
simple analytic formulas for the form factors and the associated effective vertices, that may be very
useful for future phenomenological studies of the lepton flavor violating decays. According to the
accuracy of the numerical results which the influence of different sensitive parameters, we come to
the conclusion that the non-diagonal elements which correspond to the generations of the initial
lepton and final lepton are main sensitive parameters and lepton flavor violation(LFV) sources.
This work can provide a clear signal of new physics(NP).

Primary authors

彤彤 王 (河北大学) Mr 树民 赵 (河北大学)

Presentation materials