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题名: Generalizing minimal supergravity
作者: Li, Tianjun ;  Nanopoulos, Dimitri V.
刊名: PHYSICS LETTERS B
出版日期: 2010
卷号: 692, 期号:2, 页码:121-125
关键词: GRAND UNIFIED THEORIES ;  SUPERSYMMETRIC GUTS ;  BROKEN SUPERGRAVITY ;  GAUGINO MASSES ;  F-THEORY ;  UNIFICATION ;  ELECTROWEAK ;  PREDICTIONS ;  COLLIDER ;  BREAKING
学科分类: Physics
通讯作者: Li, TJ , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
部门归属: [Li, TJ; Nanopoulos, DV] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA; [Li, TJ] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Nanopoulos, DV] Houston Adv Res Ctr, Astroparticle Phys Grp, The Woodlands, TX 77381 USA; [Nanopoulos, DV] Acad Athens, Div Nat Sci, Athens 10679, Greece
英文摘要: In Grand Unified Theories (GUTS), the Standard Model (SM) gauge couplings need not be unified at the GUT scale due to the high-dimensional operators. Considering gravity mediated supersymmetry breaking, we study for the first time the generic gauge coupling relations at the GUT scale, and the general gaugino mass relations which are valid from the GUT scale to the electroweak scale at one loop. We define the index k for these relations, which can be calculated in GUTs and can be determined at the Large Hadron Collider and the future International Linear Collider. Thus, we give a concrete definition of the GUT scale in these theories, and suggest a new way to test general GUTs at future experiments. We also discuss five special scenarios with interesting possibilities. With our generic formulae, we present all the GUT-scale gauge coupling relations and all the gaugino mass relations in the SU(5) and SO(10) models, and calculate the corresponding indices k. Especially, the index k is 5/3 in the traditional SU(5) and SO(10) models that have been studied extensively so far. Furthermore, we discuss the field theory realization of the U(1) flux effects on the SM gauge kinetic functions in F-theory GUTs, and calculate their indices k as well. (C) 2010 Published by Elsevier B.V.
资助者: DOE[DE-FG03-95-Er-40917]; Natural Science Foundation of China[10821504]; Mitchell-Heep Chair in High Energy Physics
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000282116900008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5059
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Li, Tianjun,Nanopoulos, Dimitri V.. Generalizing minimal supergravity[J]. PHYSICS LETTERS B,2010,692(2):121-125.
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