Two loop electroweak corrections to (B)over-bar → XSγ and BS0 → μ+ μ- in the B-LSSM

被引：0
|
作者：
Yang, Jin-Lei [1 ]
Feng, Tai-Fu [1 ]
Zhao, Shu-Min [1 ]
Zhu, Rong-Fei [1 ]
Yang, Xiu-Yi [2 ]
Zhang, Hai-Bin [1 ]
机构：
[1] Hebei Univ, Dept Phys, Baoding 071002, Peoples R China
[2] Univ Sci & Technol Liaoning, Dept Sci, Anshan 114051, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 09期
基金：
中国国家自然科学基金;
关键词：
LEADING QCD CORRECTIONS; STANDARD MODEL; SUSY MODELS; SEE-SAW; DECAY; SUPERSYMMETRY; RENORMALIZATION; MESON; BREAKING; SPECTRUM;
D O I：
10.1140/epjc/s10052-018-6174-5
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：
The rare decays (B) over bar -> X-S gamma and B-S(0) -> mu(+) mu(-) are important to research new physics beyond the standard model (SM). In this work, we investigate two loop electroweak corrections to (B) over bar -> X-S gamma and B-S(0) -> mu(+) mu(-) in the minimal supersymmetric extension of the SM with local B - L gauge symmetry (B-LSSM), under a minimal flavor violating assumption for the soft breaking terms. In this framework, new particles and new definition of squarks can affect the theoretical predictions of these two processes, with respect to the MSSM. Considering the constraints from updated experimental data, the numerical results show that the B-LSSM can fit the experimental data for the branching ratios of (B) over bar -> X (S) gamma and B-S(0) -> mu(+) mu(-). The results of the rare decays also further constrain the parameter space of the B-LSSM.
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页数：19
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