Pati-Salam explanations of the B-meson anomalies

被引：66

作者：

Heeck, Julian ^{[1
,2
]}

Teresi, Daniele ^{[1
,3
]}

机构：

[1] Univ Libre Bruxelles, Serv Phys Theor, Blvd Triomphe,CP225, B-1050 Brussels, Belgium

[2] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[3] Univ Pisa, Dipartimento Fis E Fermi, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 12期

基金：

美国国家科学基金会;

关键词：

Beyond Standard Model; Gauge Symmetry; Heavy Quark Physics; Neutrino Physics; MODEL-INDEPENDENT CONSTRAINTS; QUARK-LEPTON UNIFICATION; NEUTRINO MASSES; BARYON-NUMBER; DECAY MODES; LEPTOQUARKS; SEARCH; MU; CONVERSION; VIOLATION;

D O I：

10.1007/JHEP12(2018)103

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We provide a combined explanation of the increasingly tantalizing B - meson anomalies, both in RK ( ) and RD ( ), in the Pati- Salam model with minimal matter content. This well- known model, based on the gauge group SU( 4) LC SU( 2) L SU( 2) R, naturally contains a variety of scalar leptoquarks with related and restricted couplings. In particular we show that the seesaw- motivated scalar leptoquark within the representation ( 10; 3; 1) and its right- handed parity partner ( 10; 1; 3) can solve both anomalies while making testable predictions for related observables such as B ! K and B ! K. The solution of the RK ( ) anomaly alone can be related to a type- II seesaw neutrino mass structure. Explaining also RD ( ) requires the existence of a light right- handed neutrino, which constrains the UV structure of the model.

引用

页数：34

共 100 条

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