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题名: NLSP gluino and NLSP stop scenarios from b - tau Yukawa unification
作者: Raza, S;  Shafi, Q;  Uuml;  n, CS
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 92, 期号:5, 页码:55010
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.92.055010
通讯作者: Raza, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We present a study of the b - tau Yukawa unified supersymmetric SU(4)(c) x SU(2)(L) x SU(2)(R) model (with mu > 0), which predicts the existence of gluino-neutralino and stop-neutralino coannihilation scenarios compatible with the desired relic lightest supersymmetric particle neutralino dark matter abundance and other collider constraints. The next to lightest supersymmetric particle (NLSP) gluino or NLSP stop masses vary between 400 GeVand similar to 1 TeV. The NLSP gluinos will be accessible at the 14 TeV LHC, while we hope that the NSLP stop solutions will be probed in future LHC searches. We also identify regions of the parameter space in which the gluino and the lighter stop are closely degenerate in mass, interchangeably playing the role of NLSP and next to next to lightest supersymmetric particle (NNLSP). We also update a previous study of t - b - tau Yukawa unification and show that NLSP gluino of mass similar to 1 TeV, with a mass difference between the gluino and neutralino of less than 80 GeV, can be realized, consistent with the current collider and astrophysical constraints. We present benchmark points for b - tau and t - b - tau Yukawa unification that can be accessible at the LHC.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: SU(5) GRAND UNIFICATION ;  STRONG CP-PROBLEM ;  TOP-QUARK-MASS ;  SUSY GUTS ;  SUPERSYMMETRIC PARTICLE ;  UNIFIED THEORIES ;  STANDARD MODEL ;  HIGGS ;  SEARCH ;  MATTER
收录类别: SCI
项目资助者: DOE [DE-FG02-91ER40626] ;  National Science Foundation [OCI-1053575]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20865
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Raza, S,Shafi, Q,Uuml,et al. NLSP gluino and NLSP stop scenarios from b - tau Yukawa unification[J]. PHYSICAL REVIEW D,2015,92(5):55010.
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