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Towards the natural gauge mediation
Ding, R; Li, TJ; Wang, LC; Zhu, B; Ding, R (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
2015
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号10页码:154
文章类型Article
摘要The sweet spot supersymmetry (SUSY) solves the mu/B-mu problem in the Minimal Supersymmetric Standard Model (MSSM) with gauge mediated SUSY breaking (GMSB) via the generalized Giudice-Masiero (GM) mechanism where only the mu-term and soft Higgs masses are generated at the unification scale of the Grand Unified Theory (GUT) due to the approximate PQ symmetry. Because all the other SUSY breaking soft terms are generated via the GMSB below the GUT scale, there exists SUSY electroweak (EW) fine-tuning problem to explain the 125 GeV Higgs boson mass due to small trilinear soft term. Thus, to explain the Higgs boson mass, we propose the GMSB with both the generalized GM mechanism and Higgs-messenger interactions. The renormalization group equations are runnings from the GUT scale down to EW scale. So the EW symmetry breaking can be realized easier. We can keep the gauge coupling unification and solution to the flavor problem in the GMSB, as well as solve the mu/B-mu-problem. Moreover, there are only five free parameters in our model. So we can determine the characteristic low energy spectra and explore its distinct phenomenology. The fine-tuning measure can be as low as 100. For some benchmark points, the stop mass can be as low as 1.7 TeV while the glunio mass is around 2.5 TeV. The gravitino dark matter can come from a thermal production with the correct relic density and be consistent with the thermal leptogenesis. Because gluino and stop can be relatively light in our model, how to search for such GMSB at the upcoming run II of the LHC experiment could be very interesting.
关键词Supersymmetry Phenomenology
学科领域Physics
资助者Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808]
DOIhttp://dx.doi.org/10.1007/JHEP10(2015)154
关键词[WOS]DYNAMICAL SUPERSYMMETRY BREAKING ; DARK-MATTER ; SPLIT SUPERSYMMETRY ; PARTICLE MASSES ; MU-PROBLEM ; MODELS ; MSSM ; LEPTOGENESIS ; SPHENO ; HIGGS
收录类别SCI
语种英语
资助者Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808] ; DOE [DE-FG02-12ER41808]
WOS类目Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20817
专题理论物理所SCI论文
通讯作者Ding, R (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
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GB/T 7714
Ding, R,Li, TJ,Wang, LC,et al. Towards the natural gauge mediation[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(10):154.
APA Ding, R,Li, TJ,Wang, LC,Zhu, B,&Ding, R .(2015).Towards the natural gauge mediation.JOURNAL OF HIGH ENERGY PHYSICS(10),154.
MLA Ding, R,et al."Towards the natural gauge mediation".JOURNAL OF HIGH ENERGY PHYSICS .10(2015):154.
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