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题名: Electroweak supersymmetry in the NMSSM
作者: Cheng, TL ;  Li, TJ
刊名: PHYSICAL REVIEW D
出版日期: 2013
卷号: 88, 期号:1, 页码:15031
关键词: HIGGS ;  LHC ;  MODEL
学科分类: Physics
通讯作者: Cheng, TL (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Cheng, Taoli; Li, Tianjun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Li, Tianjun] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China; [Li, Tianjun] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
英文摘要: To explain all the available experimental results, we have proposed the electroweak supersymmetry (EWSUSY) previously, where the squarks and/or gluino are heavy around a few TeVs while the sleptons, sneutrinos, bino, winos, and/or Higgsinos are light within 1 TeV. In the next to minimal supersymmetric Standard Model, we perform the systematic chi(2) analyses on parameter space scan for three EWSUSY scenarios: (I) R-parity conservation and one dark matter candidate, (II) R-parity conservation and multicomponent dark matter, (III) R-parity violation. We obtain the minimal chi(2)/(degree of freedom) of 10.2/15, 9.6/14, and 9.2/14 respectively for scenarios I, II, and III. Considering the constraints from the LHC neutralino/chargino and slepton searches, we find that the majority of viable parameter space preferred by the muon anomalous magnetic moment has been excluded except for the parameter space with moderate to large tan beta(greater than or similar to 8). Especially, the most favorable parameter space has relatively large tan beta, moderate lambda, small mu(eff), heavy squarks/gluino, and the second lightest CP-even neutral Higgs boson with mass around 125 GeV. In addition, if the left-handed smuon is nearly degenerate with or heavier than wino, there is no definite bound on wino mass. Otherwise, the wino with mass up to similar to 450 GeV has been excluded. Furthermore, we present several benchmark points for scenarios I and II, and briefly discuss the prospects of the EWSUSY searches at the 14 TeV LHC and ILC.
资助者: Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; DOE [DE-FG03-95-Er-40917]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000322532100006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15316
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Cheng, TL,Li, TJ. Electroweak supersymmetry in the NMSSM[J]. PHYSICAL REVIEW D,2013,88(1):15031.
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