Programme

P.85 -- Posters, VCTP-51

Date: Thursday, 6 August 2026

Time: 09:30 - 10:30

LFV decays in a 3-3-1 model with singlet leptoquark

N.H.T. Nha (1,2), L.T. Hue (1,2), N. T. K. Ngan (3), P.T. Bich (4), N.T. Tham (5)

(1) Subatomic Physics Research Group, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Vietnam; (2) Faculty of Applied Technology, Van Lang School of Technology, Van Lang University, Ho Chi Minh City, Vietnam; (3) Department of Physics, Can Tho University, 3/2 Street, Can Tho, Vietnam; (4) Nam Can Tho University, Can Tho, Vietnam; (5) Department of Physics, Hanoi Pedagogical University 2, Phuc Yen, Vinh Phuc 15000, Vietnam;

Motivated by a recent study of a 3-3-1 model supplemented by a singlet scalar leptoquark, which was shown to account for the muon anomalous magnetic moment and the charged lepton flavor-violating decay $\mu \to e\gamma$, we demonstrate that this framework can simultaneously accommodate the latest experimental results on $(g-2)_\mu$ and provide viable predictions for charged lepton flavor-violating processes, as well as lepton flavor-violating decays of the SM-like Higgs boson and the $Z$ gauge boson. Our numerical analysis identifies the regions of parameter space consistent with current experimental constraints, highlighting in particular the strong correlations between the branching ratios of charged lepton flavor-violating processes and the anomalous magnetic moments of charged leptons.

Presenter: Nguyen Hua Thanh Nha