ITP OpenIR  > SCI期刊论文
Cao, JJ; Hikasa, K; Wang, L; Wu, L; Yang, JM; Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Testing new physics models by top charge asymmetry and polarization at the LHC
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordForward-backward Asymmetry Quark Pair Production Hadron Colliders t(t)Over-bar Asymmetry 3rd-family Quarks Fermilab Tevatron Operators Symmetry Boson
AbstractAs a top quark factory, the LHC can test new physics models used to explain the top quark forwardbackward asymmetry A(FB)(t) measured at the Tevatron. In this work we perform a comparative study for two such models: the W' model and the color triplet diquark (phi) model. Requiring these models to explain A(FB)(t) and also satisfy the top pair production rate measured at the Tevatron, we examine their contributions to the LHC observables such as the polarizations and charge asymmetries in top quark productions and the charge asymmetry in W' (or phi) pair production. We find that these observables can be enhanced to their observable levels and current LHC measurement on the top charge asymmetry has already tightly constrained the W' model. We also find that each observable shows different characteristics in different models, which can be utilized to discriminate the models.
2012
ISSN1550-7998
Volume85Issue:1Pages:14025
Subject AreaPhysics
Indexed BySCI
Funding OrganizationHASTIT [2009HASTIT004]; National Natural Science Foundation of China (NNSFC) [10821504, 10725526, 10775039, 11075045]; Chinese Academy of Sciences [KJCX2.YW.W10]; [14046201] ; HASTIT [2009HASTIT004]; National Natural Science Foundation of China (NNSFC) [10821504, 10725526, 10775039, 11075045]; Chinese Academy of Sciences [KJCX2.YW.W10]; [14046201] ; HASTIT [2009HASTIT004]; National Natural Science Foundation of China (NNSFC) [10821504, 10725526, 10775039, 11075045]; Chinese Academy of Sciences [KJCX2.YW.W10]; [14046201] ; HASTIT [2009HASTIT004]; National Natural Science Foundation of China (NNSFC) [10821504, 10725526, 10775039, 11075045]; Chinese Academy of Sciences [KJCX2.YW.W10]; [14046201]
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15175
CollectionSCI期刊论文
Corresponding AuthorCao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Recommended Citation
GB/T 7714
Cao, JJ,Hikasa, K,Wang, L,et al. Testing new physics models by top charge asymmetry and polarization at the LHC[J]. PHYSICAL REVIEW D,2012,85(1):14025.
APA Cao, JJ,Hikasa, K,Wang, L,Wu, L,Yang, JM,&Cao, JJ .(2012).Testing new physics models by top charge asymmetry and polarization at the LHC.PHYSICAL REVIEW D,85(1),14025.
MLA Cao, JJ,et al."Testing new physics models by top charge asymmetry and polarization at the LHC".PHYSICAL REVIEW D 85.1(2012):14025.
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