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Wang, L; Yang, JM; Zhang, Y; Wang, L (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
Probing a pseudoscalar at the LHC in light of muon g-2 and R(D-(*)) excesses
Source PublicationNUCLEAR PHYSICS B
Language英语
AbstractWe study the excesses of muon g - 2 and R(D-(*())) in the framework of a two-Higgs-doublet model with top quark flavor-changing neutral-current (FCNC) couplings. Considering the relevant theoretical and experimental constraints, we find that the muon g - 2 and R(D-(*())) excesses can be simultaneously explained in a parameter space allowed by the constraints. In such a parameter space the pseudoscalar (A) has a mass between 20 GeV and 150 GeV so that it can be produced from the top quark FCNC decay t -> Ac. Focusing on its dominant decay A -> tau(tau) over bar, we perform a detailed simulation on pp -> t (t) over bar -> WbAc -> jjbc tau(tau) over bar and find that the 2 sigma upper limits from a data set of 30 (100) fb(-1) at the 13 TeV LHC can mostly (entirely) exclude such a parameter space. (C) 2017 The Author(s). Published by Elsevier B.V.
2017
Volume924Pages:47-62
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1016/j.nuclphysb.2017.09.002
Funding OrganizationNational Natural Science Foundation of China [11575152, 11275245, 11135003] ; National Natural Science Foundation of China [11575152, 11275245, 11135003] ; National Natural Science Foundation of China [11575152, 11275245, 11135003] ; National Natural Science Foundation of China [11575152, 11275245, 11135003] ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21942
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorWang, L (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
Recommended Citation
GB/T 7714
Wang, L,Yang, JM,Zhang, Y,et al. Probing a pseudoscalar at the LHC in light of muon g-2 and R(D-(*)) excesses[J]. NUCLEAR PHYSICS B,2017,924:47-62.
APA Wang, L,Yang, JM,Zhang, Y,&Wang, L .(2017).Probing a pseudoscalar at the LHC in light of muon g-2 and R(D-(*)) excesses.NUCLEAR PHYSICS B,924,47-62.
MLA Wang, L,et al."Probing a pseudoscalar at the LHC in light of muon g-2 and R(D-(*)) excesses".NUCLEAR PHYSICS B 924(2017):47-62.
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