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Further study of CP violation and branching ratios for (B)over-bar(0)-> J/psi K-s and (B)over-bar(0)->phi K-s in the standard model and beyond
Du DS(杜东生); Yang MZ(杨茂志); Du, DS; Yang, MZ
1998
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷号24期号:11页码:2009-2022
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要In this work we study the CP violation for (B) over bar(0) --> J/psi K-s and (B) over bar(0) --> phi K-s up to leading and next-to-leading order QCD corrections in the standard model, two-Higgs-doublet model and the minimal supersymmetric extension of the standard model. We also study the effect of new physics on the branching ratios of these two decay modes. We find that within the parameter space constrained by the observation of the decay b --> s gamma, new physics does not affect the CP asymmetries greatly, and the prediction of new physics to the branching ratios of (B) over bar(0) --> J/psi K-s and (B) over bar(0) --> phi K-s is the same as that of the standard model up to a minor discrepancy as far as the Yukama coupling constants are perturbative.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1088/0954-3899/24/11/003
URL查看原文
语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000077264900003
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239616
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Du DS,Yang MZ,Du, DS,et al. Further study of CP violation and branching ratios for (B)over-bar(0)-> J/psi K-s and (B)over-bar(0)->phi K-s in the standard model and beyond[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,1998,24(11):2009-2022.
APA 杜东生,杨茂志,Du, DS,&Yang, MZ.(1998).Further study of CP violation and branching ratios for (B)over-bar(0)-> J/psi K-s and (B)over-bar(0)->phi K-s in the standard model and beyond.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,24(11),2009-2022.
MLA 杜东生,et al."Further study of CP violation and branching ratios for (B)over-bar(0)-> J/psi K-s and (B)over-bar(0)->phi K-s in the standard model and beyond".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 24.11(1998):2009-2022.
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