TNMSSM 中的 B 介子稀有衰变* * 国家自然科学基金资助项目（12075074、12235008、11535002、11705045）、河北省杰出青年学者自然科学基金（A2022201017）、广西自治区自然科学基金（2022GXNSFDA035068）和河北省青年拔尖人才支持计划。

IF 3.6 2区物理与天体物理 Q1 PHYSICS, NUCLEAR

中国物理C Pub Date : 2024-05-01 DOI:10.1088/1674-1137/ad2a62

Hai-Xiang Chen, Sheng-Kai Cui, Ning-Yu Zhu, Zhao-Yang Zhang, Huai-Cong Hu

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引用次数: 0

摘要

我们研究了B介子稀有衰变的两环电弱修正，以及最小超对称标准模型（MSSM）扩展中的两个三重子和一个单重子（TNMSSM）。TNMSSM中的新粒子内容和相互作用会影响支化比和的理论预测，而两个环图对过程的修正可以达到约......。考虑到最新的实验测量结果，本文介绍并分析了 TNMSSM 中和的数值结果。研究结果表明，TNMSSM 中的结果能够很好地拟合更新的实验数据，而新参数、显然会影响和的理论预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

B meson rare decays in the TNMSSM* * Supported by the National Natural Science Foundation of China (12075074, 12235008, 11535002, 11705045), the Natural Science Foundation for Distinguished Young Scholars of Hebei Province, China (A2022201017), the Natural Science Foundation of Guangxi Autonomous Region (2022GXNSFDA035068), and the Youth Top-Notch Talent Support Program of the Hebei Province, China.

We investigate the two loop electroweak corrections to B meson rare decays

and

in the minimal supersymmetry standard model (MSSM) extension with two triplets and one singlet (TNMSSM). The new particle contents and interactions in the TNMSSM can affect the theoretical predictions of the branching ratios

and

, and the corrections from two loop diagrams to the process

can reach around

. Considering the latest experimental measurements, the numerical results of

and

in the TNMSSM are presented and analyzed. The findings indicate that the results in the TNMSSM can fit the updated experimental data well, and the new parameters

, clearly affect the theoretical predictions of

and

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来源期刊

中国物理C 物理-物理：核物理

CiteScore

6.50

自引率

8.30%

发文量

8976

审稿时长

1.3 months

期刊介绍： Chinese Physics C covers the latest developments and achievements in the theory, experiment and applications of: Particle physics; Nuclear physics; Particle and nuclear astrophysics; Cosmology; Accelerator physics. The journal publishes original research papers, letters and reviews. The Letters section covers short reports on the latest important scientific results, published as quickly as possible. Such breakthrough research articles are a high priority for publication. The Editorial Board is composed of about fifty distinguished physicists, who are responsible for the review of submitted papers and who ensure the scientific quality of the journal. The journal has been awarded the Chinese Academy of Sciences ‘Excellent Journal’ award multiple times, and is recognized as one of China''s top one hundred key scientific periodicals by the General Administration of News and Publications.