Contributions to b → sll anomalies from R-parity violating interactions

被引:25
作者
Earl, Kevin [1 ]
Gregoire, Thomas [1 ]
机构
[1] Carleton Univ, Ottawa Carleton Inst Phys, Dept Phys, 1125 Colonel By Dr, Ottawa, ON K1S 5B6, Canada
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 08期
基金
加拿大自然科学与工程研究理事会;
关键词
Beyond Standard Model; Heavy Quark Physics; Supersymmetric Standard Model; LEPTOQUARK; PHYSICS; NUMBER;
D O I
10.1007/JHEP08(2018)201
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 examine the parameter space of supersymmetric models with R-parity violating interactions of the form lambda'LQD(c) to explain the various anomalies observed in b -> sll transitions. To generate the appropriate operator in the low energy theory, we are led to a region of parameter space where loop contributions dominate. In particular, we concentrate on parameters for which diagrams involving winos, which have not been previously considered, give large contributions. Many different potentially constraining processes are analyzed, including tau -> mu mu mu, B-s -(B) over bar (s) mixing, B -> K-(*)nu(nu) over bar, Z decays to charged leptons, and direct LHC searches. We find that it is possible to explain the anomalies, but it requires large values of lambda', which lead to relatively low Landau poles.
引用
收藏
页数:29
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