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Cao, JJ; Han, CC; Wu, L; Yang, JM; Zhang, Y; Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Probing natural SUSY from stop pair production at the LHC
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordEven Higgs Bosons Hadron Colliders Standard Model Root-s=7 Tev Dark-matter Electroweak Baryogenesis Precision Predictions Supersymmetric Models Atlas Detector Final-states
AbstractWe consider the natural supersymmetry scenario in the framework of the R-parity conserving minimal supersymmetric standard model (called natural MSSM) and examine the observability of stop pair production at the LHC. We first scan the parameters of this scenario under various experimental constraints, including the SM-like Higgs boson mass, the indirect limits from precision electroweak data and B-decays. Then in the allowed parameter space we study the stop pair production at the LHC followed by the stop decay into a top quark plus a lightest neutralino or into a bottom quark plus a chargino. From detailed Monte Carlo simulations of the signals and backgrounds, we find the two decay modes are complementary to each other in probing the stop pair production, and the LHC with root s = 14 TeV and 100 fb(-1) luminosity is capable of discovering the stop predicted in natural MSSM up to 450 GeV. If no excess events were observed at the LHC, the 95% C.L. exclusion limits of the stop masses can reach around 537 GeV.
2012
ISSN1029-8479
Issue11Pages:39
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NNSFC) [10821504, 11135003, 10775039, 11075015]; Specialized Research Fund for the Doctoral Program of Higher Education [20104104110001]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10821504, 11135003, 10775039, 11075015]; Specialized Research Fund for the Doctoral Program of Higher Education [20104104110001]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10821504, 11135003, 10775039, 11075015]; Specialized Research Fund for the Doctoral Program of Higher Education [20104104110001]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10821504, 11135003, 10775039, 11075015]; Specialized Research Fund for the Doctoral Program of Higher Education [20104104110001]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14999
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Recommended Citation
GB/T 7714
Cao, JJ,Han, CC,Wu, L,et al. Probing natural SUSY from stop pair production at the LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(11):39.
APA Cao, JJ,Han, CC,Wu, L,Yang, JM,Zhang, Y,&Cao, JJ .(2012).Probing natural SUSY from stop pair production at the LHC.JOURNAL OF HIGH ENERGY PHYSICS(11),39.
MLA Cao, JJ,et al."Probing natural SUSY from stop pair production at the LHC".JOURNAL OF HIGH ENERGY PHYSICS .11(2012):39.
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