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题名: Confronting electroweak fine-tuning with No-Scale Supergravity
作者: Leggett, T;  Li, TJ;  Maxin, JA;  Nanopoulos, DV;  Walker, JW
刊名: PHYSICS LETTERS B
出版日期: 2015
卷号: 740, 期号:0, 页码:66-72
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2014.11.023
通讯作者: Maxin, JA (reprint author), Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA.
文章类型: Article
英文摘要: Applying No-Scale Supergravity boundary conditions at a heavy unification scale to the Flipped SU(5) grand unified theory with extra TeV-scale vector-like multiplets, Le. No-Scale T-SU(5), we express the Z-boson mass M-Z as an explicit function of the boundary gaugino mass M-1/2, M-Z(2) = M-Z(2)(M-1/2(2)), with implicit dependence upon a dimensionless ratio c of the supersymmetric Higgs mixing parameter mu and M-1/2. Setting the top Yukawa coupling consistent with m(t) = 174.3 GeV at M-z = 91.2 GeV, the value of c naturally tends toward c similar or equal to 1, which indirectly suggests underlying action of the Giudice-Masiero mechanism. Proportional dependence of all model scales upon the unified gaugino mass M-1/2 in the No-Scale T-SU(5) model suggests one possible mechanism of confronting the electroweak fine-tuning problem. (C) 2014 The Authors. Published by Elsevier B.V.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: PARTICLE ;  BOSON ;  MSSM ;  LHC
收录类别: SCI
项目资助者: DOE [DE-FG03-95-Er-40917] ;  Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246] ;  National Basic Research Program of China (973 Program) [2010CB833000] ;  Ball State University ASPiRE Research Grant Program [1434-14] ;  Sam Houston State University Enhancement Research Grant program
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21119
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Leggett, T,Li, TJ,Maxin, JA,et al. Confronting electroweak fine-tuning with No-Scale Supergravity[J]. PHYSICS LETTERS B,2015,740(0):66-72.
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