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Li, Tianjun; Nanopoulos, Dimitri V.; Li, TJ , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
Generalizing minimal supergravity
Source PublicationPHYSICS LETTERS B
KeywordGrand Unified Theories Supersymmetric Guts Broken Supergravity Gaugino Masses F-theory Unification Electroweak Predictions Collider Breaking
AbstractIn 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.
2010
ISSN0370-2693
Volume692Issue:2Pages:121-125
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDOE[DE-FG03-95-Er-40917]; Natural Science Foundation of China[10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE[DE-FG03-95-Er-40917]; Natural Science Foundation of China[10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE[DE-FG03-95-Er-40917]; Natural Science Foundation of China[10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE[DE-FG03-95-Er-40917]; Natural Science Foundation of China[10821504]; Mitchell-Heep Chair in High Energy Physics
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5059
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, TJ , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
Recommended Citation
GB/T 7714
Li, Tianjun,Nanopoulos, Dimitri V.,Li, TJ , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA. Generalizing minimal supergravity[J]. PHYSICS LETTERS B,2010,692(2):121-125.
APA Li, Tianjun,Nanopoulos, Dimitri V.,&Li, TJ , Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA.(2010).Generalizing minimal supergravity.PHYSICS LETTERS B,692(2),121-125.
MLA Li, Tianjun,et al."Generalizing minimal supergravity".PHYSICS LETTERS B 692.2(2010):121-125.
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