Bs0 - <(B)over bar>s0, Bd0 - <(B)over bar>d0, D0 - <(D)over bar>0 and K0 - <(K)over bar>0 mixings in two-Higgs-doublet models with minimal flavor violation

被引：0
作者：
Wang, Ru-Min [1 ]
Wang, Peng-Bo [1 ]
Cheng, Xiao-Dong [1 ]
Xu, Yuan-Guo [1 ]
Chang, Qin [2 ]
机构：
[1] Xinyang Normal Univ, Inst Theoret Phys, Xinyang 464000, Henan, Peoples R China
[2] Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Henan, Peoples R China
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2018年 / 45卷 / 12期
基金：
中国国家自然科学基金;
关键词：
neutral meson mixings; two-Higgs doublet models; standard model; minimal flavor violation; ORDER QCD CORRECTIONS;
D O I：
10.1088/1361-6471/aaeba1
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Many observables related to the neutral meson mixings have been measured, and these experimental measurements could be used to test various new physics models. The two-Higgs-doublet model is one of the simplest extensions of the standard model. In this paper, B-s(0) - (B) over bar (0)(s), B-d(0) - (B) over bar (0)(d), D-0 - (D) over bar (0) and K-0 - (K) over bar (0) mixings are explored in the minimal flavor violating two-Higgs-doublet models with type-C and type-III. Firstly, we perform a complete one-loop computation to the amplitudes of neutral meson mixings. Then the allowed parameter spaces of Yukawa couplings of charged scalars to quarks in both real and complex cases are obtained from all relevant latest experimental data. Finally, the theoretical predictions of relevant observables and the differences between type-III and type-C models are analyzed.
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页数：22
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