A comprehensive study of vector leptoquark with $U(1{)}_{B_3-L_2}$ on the $B$-meson and Muon g-2 anomalies

Abstract

Recently reported anomalies in various $B$ meson decays and also in the anomalous magnetic moment of muon $(g-2{)}_{\mu }$ motivate us to consider a particular extension of the standard model incorporating new interactions in lepton and quark sectors simultaneously. Our minimal choice would be leptoquark. In particular, we take vector leptoquark ($U_1$) and comprehensively study all related observables including $(g-2{)}_{\mu },R_{K^{(\ast )}},R_{D^{(\ast )}}$, $B\to (K)\ell {\ell }^{\prime }$ where $\ell {\ell }^{\prime }$ are various combinations of $\mu$ and $\tau$, and also lepton flavor violation in the $\tau$ decays. We find that a hybrid scenario with additional $U(1{)}_{B_3-L_2}$ gauge boson provides a common explanation of all these anomalies.

16 pages, 3 figures

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Cited by in corpus (3)

• Vector leptoquark contributions to lepton dipole moments
• Searching for exclusive leptoquarks with the Nambu-Jona-Lasinio composite model at the LHC and HL-LHC
• Intergenerational gauged $B-L$ model and its implication to muon $g-2$ anomaly and thermal dark matter