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Impact of $Z^{'}$ boson on lepton flavor violating decays

P. Maji

National Institute of Technology, Durgapur 713209, West Bengal, India

E-mail Address: majipriya@gmail.com

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P. Nayek

National Institute of Technology, Durgapur 713209, West Bengal, India

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, and

S. Sahoo

National Institute of Technology, Durgapur 713209, West Bengal, India

E-mail Address: sukadevsahoo@yahoo.com

Corresponding author.

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https://doi.org/10.1142/S0217732319500688Cited by:0 (Source: Crossref)

Abstract

Recently, some small hints of lepton flavor violating (LFV) decays have been probed in different colliders and accelerators. Although these processes are forbidden in the Standard Model (SM), observation of LFV decays are considered as good probes to test theory beyond the SM. In this paper, we study some LFV decays, e.g. three-body decay channels of $μ$ lepton like $μ \to 3 e$ , $μ \to e ν \bar{ν}$ and two-body decays of B meson and $τ$ lepton like $B_{s, d} \to μ^{\pm} e^{\mp}$ and $τ \to e ϕ$ in $Z^{'}$ model. We calculate the branching ratio of the above decays considering the effect of both $Z$ and $Z^{'}$ -mediated flavor-changing neutral-current (FCNC).

Keywords:

PACS: 14.70.Hp, 11.30.Hv, 13.20.He, 12.60.Cn

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