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Experimental constraints on the nearly minimal supersymmetric standard model and implications for its phenomenology
Cao, Junjie; Logan, Heather E.; Yang, Jin Min; Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
2009
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号79期号:9页码:-
摘要We examine various direct and indirect experimental constraints on the nearly minimal supersymmetric standard model (nMSSM) and obtain the following observations: (i) Current experiments stringently constrain the parameter space, setting a range of 1 similar to 37 GeV for the lightest neutralino (chi) over tilde (0)(1), 30 similar to 140 GeV (1 similar to 250 GeV) for the lightest CP-even (CP-odd) Higgs boson, and 1.5 similar to 10 for tan beta; (ii) To account for the dark matter relic density, besides the s-channel exchange of a Z boson, the s-channel exchange of a light A(1) (the lightest CP-odd Higgs boson) can also play an important role in lightest supersymmetric particle annihilation. Compared with the Z-exchange annihilation channel, the A1-exchange channel is more favored by muon g - 2 data and allows much broader regions for the parameters; (iii) In a large part of the allowed parameter space the SM-like Higgs boson may dominantly decay to (chi) over tilde (1)(0)(chi) over tilde (1)(0) or A(1)A(1) and the conventional visible decays (e. g. into bottom quarks) are severely suppressed.
部门归属[Cao, JJ] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China; [Cao, JJ; Logan, HE] Carleton Univ, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada; [Yang, JM] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Probe Wmap Observations Neutralino Extension Mssm
学科领域Physics
资助者Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]
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收录类别SCI
资助者Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004] ; Natural Sciences and Engineering Research Council of Canada; China NSFC[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]
WOS记录号WOS:000266501800003
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被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5332
专题理论物理所SCI论文
通讯作者Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
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GB/T 7714
Cao, Junjie,Logan, Heather E.,Yang, Jin Min,et al. Experimental constraints on the nearly minimal supersymmetric standard model and implications for its phenomenology[J]. PHYSICAL REVIEW D,2009,79(9):-.
APA Cao, Junjie,Logan, Heather E.,Yang, Jin Min,&Cao, JJ , Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.(2009).Experimental constraints on the nearly minimal supersymmetric standard model and implications for its phenomenology.PHYSICAL REVIEW D,79(9),-.
MLA Cao, Junjie,et al."Experimental constraints on the nearly minimal supersymmetric standard model and implications for its phenomenology".PHYSICAL REVIEW D 79.9(2009):-.
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