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Scalar leptoquarks from grand unified theories to accommodate the B-physics anomalies

2018/06/30 by Damir Bečirević, Ilja Doršner, Svjetlana Fajfer +3
Computer Science · Mathematics · Physics and Astronomy · #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #Flavor #Geometry #Large Hadron Collider #Lepton #Leptoquark #Mathematics #Neutrino #Nuclear physics #Observable #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum mechanics #Scalar (mathematics) #Universality (dynamical systems) #Yukawa potential #hep-ph

paper · pdf · doi:10.1103/physrevd.98.055003

published as Phys. Rev. D 98, 055003 (2018) · 6 pages, 3 figures, published version

openalex created_date 2018/06/21 · arxiv created 2018/09/04 · openalex publication_date 2018/09/05 · arxiv updated 2018/09/12 · openalex updated_date 2026/08/05

Abstract

We address the B-physics anomalies within a two scalar leptoquark model. The low-energy flavor structure of our setup originates from two SU(5) operators that relate Yukawa couplings of the two leptoquarks. The proposed scenario has a UV completion, can accommodate all measured lepton flavor universality ratios in B-meson decays, is consistent with related flavor observables, and is compatible with direct searches at the LHC. We provide prospects for future discoveries of the two light leptoquarks at the LHC and predict several yet-to-be-measured flavor observables.

Citations