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Cao, Junjie; Heng, Zhaoxia; Wu, Lei; Yang, Jin Min; Cao, JJ , Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China
R-parity violating effects in top quark flavor-changing neutral-current production at LHC
Source PublicationPHYSICAL REVIEW D
KeywordSupersymmetric Standard Model Littlest Higgs-model Linear Colliders Rare Decays Cern Lhc e(+)e(-) Collisions Unconstrained Mssm 3rd-family Quarks Scalar Couplings Hadron Colliders
AbstractIn the minimal supersymmetric model the R-parity violating top quark interactions, which are so far weakly constrained, can induce various flavor-changing neutral-current (FCNC) productions for the top quark at the large hadron collider (LHC). In this work we assume the presence of the B-violating couplings and examine their contributions to the FCNC productions proceeding through the parton processes cg -> t, gg -> t (c) over bar, cg -> t gamma, cg -> tZ and cg -> th. We find that all these processes can be greatly enhanced relative to the R-parity preserving predictions. In the parameter space allowed by current experiments, all the production channels except cg -> th can reach the 3 sigma sensitivity, in contrast to the R-parity preserving case in which only cg -> t can reach the 3 sigma sensitivity.
2009
ISSN1550-7998
Volume79Issue:5Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NNSFC)[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]; National Sciences and Engineering Research Council of Canada ; National Natural Science Foundation of China (NNSFC)[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]; National Sciences and Engineering Research Council of Canada ; National Natural Science Foundation of China (NNSFC)[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]; National Sciences and Engineering Research Council of Canada ; National Natural Science Foundation of China (NNSFC)[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]; National Sciences and Engineering Research Council of Canada
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Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5361
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, JJ , Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China
Recommended Citation
GB/T 7714
Cao, Junjie,Heng, Zhaoxia,Wu, Lei,et al. R-parity violating effects in top quark flavor-changing neutral-current production at LHC[J]. PHYSICAL REVIEW D,2009,79(5):-.
APA Cao, Junjie,Heng, Zhaoxia,Wu, Lei,Yang, Jin Min,&Cao, JJ , Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China.(2009).R-parity violating effects in top quark flavor-changing neutral-current production at LHC.PHYSICAL REVIEW D,79(5),-.
MLA Cao, Junjie,et al."R-parity violating effects in top quark flavor-changing neutral-current production at LHC".PHYSICAL REVIEW D 79.5(2009):-.
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