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Cao, Junjie; Liu, Guoli; Yang, Jin Min; Zhang, Huanjun; Cao, J , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
Top-quark FCNC productions at CERN LHC in topcolor-assisted technicolor model
Source PublicationPHYSICAL REVIEW D
KeywordMinimal Supersymmetric Model Changing Neutral Couplings Standard Model Rare Decays Linear Colliders Hadron Colliders Unconstrained Mssm Symmetry-breaking Physics Susy
AbstractWe evaluate the top-quark FCNC productions induced by the topcolor-assisted technicolor (TC2) model at the LHC. These productions proceed, respectively, through the parton-level processes gg -> t (c) over bar, cg -> t, cg -> tg, cg -> tZ, and cg -> t gamma. We show the dependence of the production rates on the relevant TC2 parameters and compare the results with the predictions in the minimal supersymmetric model. We find that for each channel the TC2 model allows for a much larger production rate than the supersymmetric model. All these rare productions in the TC2 model can be enhanced above the 3 sigma sensitivity of the LHC. Since in the minimal supersymmetric model only cg -> t is slightly larger than the corresponding LHC sensitivity, the observation of these processes will favor the TC2 model over the supersymmetric model. In case of unobservation, the LHC can set meaningful constraints on the TC2 parameters.
2007
ISSN1550-7998
Volume76Issue:1Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5704
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, J , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
Recommended Citation
GB/T 7714
Cao, Junjie,Liu, Guoli,Yang, Jin Min,et al. Top-quark FCNC productions at CERN LHC in topcolor-assisted technicolor model[J]. PHYSICAL REVIEW D,2007,76(1):-.
APA Cao, Junjie,Liu, Guoli,Yang, Jin Min,Zhang, Huanjun,&Cao, J , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.(2007).Top-quark FCNC productions at CERN LHC in topcolor-assisted technicolor model.PHYSICAL REVIEW D,76(1),-.
MLA Cao, Junjie,et al."Top-quark FCNC productions at CERN LHC in topcolor-assisted technicolor model".PHYSICAL REVIEW D 76.1(2007):-.
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