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题名: Dark Z implication for flavor physics
作者: Xu, FR
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2015
期号: 6, 页码:170
关键词: Rare Decays ;  B-Physics ;  Kaon Physics
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP06(2015)170
通讯作者: Xu, FR (reprint author), Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
文章类型: Article
英文摘要: Dark Z/dark photon (Z') is one candidate of dark force carrier, which helps to interpret the properties of dark matter (DM). Other than conventional studies of DM including direct detection, indirect detection and collider simulation, in this work we take flavor physics as a complementary approach to investigate the features of dark matter. We give an exact calculation of the new type of penguin diagram induced by Z' which further modifies the well-known X, Y, Z functions in penguin-box expansion. The measurement of rare decays B -> K-(*) mu(+)mu(-) and B-s -> mu(+)mu(-) at LHC, together with direct CP violation epsilon'/epsilon in K -> pi pi as well as K-L -> mu(+)mu(-), are used to determine the parameter space. The size of coupling constant, however, is found to be O(1) which is much weaker than the known constraints.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: MATTER ;  QUARK
收录类别: SCI
项目资助者: Ministry of Science and Technology of R.O.C. [104-2811-M-001-018] ;  National Natural Science Foundation of China [11405074]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20950
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Recommended Citation:
Xu, FR. Dark Z implication for flavor physics[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(6):170.
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