YUKAWA UNIFICATION IN SUSY SO(10) IN LIGHT OF THE LHC HIGGS DATA

被引：27

作者：

Badziak, Marcin ^{[1
,2
]}

机构：

[1] Univ Cambridge, Ctr Math Sci, Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England

[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

来源：

MODERN PHYSICS LETTERS A | 2012年 / 27卷 / 22期

关键词：

Supersymmetry; grand unified theories; the Higgs boson; ELECTROWEAK SYMMETRY-BREAKING; TOP-QUARK-MASS; CP CONSERVATION; SOFT TERMS; SUPERSYMMETRY; PROGRAM; SEARCH; BOSON;

D O I：

10.1142/S0217732312300200

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The status of top-bottom-tau Yukawa coupling unification in supersymmetric SO(10) models is reviewed with a particular emphasis on the implications of the Higgs boson mass in the vicinity of 125 GeV, as suggested by the Large Hadron Collider (LHC) Higgs data. In addition, the recently proposed model with negative mu, D-term splitting of the soft scalar masses and nonuniversal gaugino masses generated by a nonzero F-term in a 24-dimensional representation of SU(5) subset of SO(10) is reanalyzed in the context of the 125 GeV Higgs. The condition of top-bottom-tau Yukawa unification together with the Higgs mass of about 125 GeV impose strong lower mass limits on supersymmetry (SUSY) particles. Nevertheless, some of the Minimal Supersymmetric Standard Model (MSSM) particles may be within the reach of LHC. In the case of models with positive mu this is the gluino. While in the case of negative mu these are the pseudoscalar Higgs, the lighter sbottom (sometimes strongly degenerate with LSP leading to sbottom coannihilations), the right-handed down squark and the gluino.

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