PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Posters: Beyond the Standard Model
Muon (g-2) anomaly in extended left-right symmetric model
P. Pritimita,* C. Majumdar, S. Patra, S. Senapati, U.A. Yajnik
*corresponding author
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Pre-published on: February 13, 2021
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We consider a gauged $U(1)_{L_\mu-L_\tau}$ extension of the left-right symmetric theory in order to simultaneously explain neutrino mass, mixing and muon anomalous magnetic moment. We get sizeable contribution from the interaction of the new light gauge boson $Z_{\mu\tau}$
of $U(1)_{L_\mu-L_\tau}$ symmetry with muons which can individually satisfy the current bounds on muon $(g-2)$ anomaly . The other positive contributions to $\Delta a_\mu$ come from the interactions of
neutral CP-even scalars with muons and that of singly charged gauge boson $W_L$ with heavy neutrinos which is facilitated by inverse seesaw mechanism that explains neutrino mass in our model. The results show that
the model gives a small but non-negligible contribution to $\Delta a_\mu$ thereby eliminating the entire deviation in theoretical prediction and experimental result
of muon $(g-2)$ anomaly.
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