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Wang, L; Wu, L; Yang, JM; Wang, L (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
Top quark forward-backward asymmetry and charge asymmetry in the left-right twin Higgs model
Source PublicationPHYSICAL REVIEW D
Language英语
Keywordt(t)Over-bar Asymmetry Pair Production Tevatron Physics
AbstractIn order to explain the Tevatron anomaly of the top quark forward-backward asymmetry A(FB)(t) in the left-right twin Higgs model, we choose to give up the lightest neutral particle of (h) over cap field as a stable dark matter candidate. Then a new Yukawa interaction for (h) over cap is allowed, which can be free from the constraint of same-sign top pair production and contribute sizably to A(FB)(t). Considering the constraints from the production rates of the top pair (t (t) over bar), the top decay rates, and t (t) over bar invariant mass distribution, we find that this model with such new Yukawa interaction can explain A(FB)(t) measured at the Tevatron while satisfying the charge asymmetry A(C)(t) measured at the LHC. Moreover, this model predicts a strong correlation between A(C)(t) at the LHC and A(FB)(t) at the Tevatron, i.e., A(C)(t) increases as A(FB)(t) increases.
2012
ISSN1550-7998
Volume85Issue:7Pages:75017
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NNSFC) [11105116, 11005089, 10725526, 10821504, 10635030]; Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 10725526, 10821504, 10635030]; Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 10725526, 10821504, 10635030]; Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 10725526, 10821504, 10635030]; Chinese Academy of Sciences [KJCX2.YW.W10]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15117
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, L (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
Recommended Citation
GB/T 7714
Wang, L,Wu, L,Yang, JM,et al. Top quark forward-backward asymmetry and charge asymmetry in the left-right twin Higgs model[J]. PHYSICAL REVIEW D,2012,85(7):75017.
APA Wang, L,Wu, L,Yang, JM,&Wang, L .(2012).Top quark forward-backward asymmetry and charge asymmetry in the left-right twin Higgs model.PHYSICAL REVIEW D,85(7),75017.
MLA Wang, L,et al."Top quark forward-backward asymmetry and charge asymmetry in the left-right twin Higgs model".PHYSICAL REVIEW D 85.7(2012):75017.
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