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题名: Current experimental constraints on the next-to-minimal supersymmetric standard model with large lambda
作者: Cao, Junjie ;  Yang, Jin Min
刊名: PHYSICAL REVIEW D
出版日期: 2008
卷号: 78, 期号:11, 页码:-
关键词: ELECTROWEAK PRECISION DATA ;  PROBE WMAP OBSERVATIONS ;  HIGGS BOSONS ;  ELECTROMAGNETIC INTERACTIONS ;  MUON G-2 ;  MSSM ;  SINGLET ;  PHYSICS ;  WEAK ;  RENORMALIZATION
学科分类: Physics
通讯作者: Cao, JJ , Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada
部门归属: [Cao, JJ] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada; [Yang, JM] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China; [Yang, JM] Acad Sinica, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: The next-to-minimal supersymmetric standard model (NMSSM) with a large lambda ( the mixing parameter between the singlet and doublet Higgs fields) is well motivated since it can significantly push up the upper bound on the standard model-like Higgs boson mass to solve the little hierarchy problem. In this work we examine the current experimental constraints on the NMSSM with a large lambda, which include the direct search for Higgs bosons and sparticles at colliders, the indirect constraints from precision electroweak measurements, the cosmic dark matter relic density, the muon anomalous magnetic moment, as well as the stability of the Higgs potential. We find that, with the increase of lambda, parameters like tan beta, M(A), mu, and M(2) are becoming more stringently constrained. It turns out that the maximal reach of lambda is limited by the muon anomalous magnetic moment, and for smuon masses of 200 GeV (500 GeV) the parameter space with lambda >= 1.5(0.6) is excluded.
资助者: National Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China (NNSFC)[10505007, 10725526, 10635030]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000262252200061
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5426
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Cao, Junjie,Yang, Jin Min. Current experimental constraints on the next-to-minimal supersymmetric standard model with large lambda[J]. PHYSICAL REVIEW D,2008,78(11):-.
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