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题名: Heavy standard model-like Higgs boson and a light stop from Yukawa-deflected gauge mediation
作者: Kang, ZF ;  Li, TJ ;  Liu, T ;  Tong, CL ;  Yang, JM
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 86, 期号:9, 页码:95020
关键词: SUPERSYMMETRY-BREAKING ;  MU ;  MSSM ;  MASS
学科分类: Physics
通讯作者: Kang, ZF (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Kang, Zhaofeng; Li, Tianjun; Liu, Tao; Tong, Chunli; Yang, Jin Min] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Kang, Zhaofeng; Li, Tianjun; Liu, Tao; Tong, Chunli; Yang, Jin Min] Chinese Acad Sci, Inst Theoret Phys, KITPC, Beijing 100190, 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 obtain a standard model-like Higgs boson around 125 GeV in the minimal supersymmetric standard model with minimal gauge mediation of supersymmetry breaking (GMSB), a heavy stop at multi-TeV level is needed and incurs severe fine-tuning, which can be ameliorated in the framework of the deformed GMSB with visible-hidden direct Yukawa interactions (YGMSB). We examine some general features of the YGMSB and focus on the scenario with Higgs-messenger couplings (HYGMSB) which can automatically maintain the minimal flavor violation. It turns out that such a Yukawa mediation scenario can give a large -Lambda(t) and -m((t) over tildeL,R)(2), leading to a maximal stop mixing, and thus can readily give a light stop ((t) over tilde (1)) below the TeV scale. However, we find that in the minimal HYGMSB scenario, m(Hu)(2) is too large and then the electroweak symmetry breaking is inconsistent with the large stop mixing. To solve this problem, we modify the hidden sectors in two ways, adding a new strong gauge dynamics or introducing the (10, (10) over bar) messengers. For each case we present some numerical studies.
资助者: Natural Science Foundation of China [10821504, 11075194, 11135003, 10635030]; U.S. 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:000311142800012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14984
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Kang, ZF,Li, TJ,Liu, T,et al. Heavy standard model-like Higgs boson and a light stop from Yukawa-deflected gauge mediation[J]. PHYSICAL REVIEW D,2012,86(9):95020.
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