Muon g-2, 125 GeV Higgs boson, and neutralino dark matter in a flavor symmetry-based MSSM

被引：25

作者：

Babu, K. S. ^{[1
]}

Gogoladze, Ilia ^{[2
]}

Shafi, Qaisar ^{[2
]}

Un, Cem Salih ^{[2
,3
]}

机构：

[1] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA

[2] Univ Delaware, Bartol Res Inst, Dept Phys & Astron, Newark, DE 19716 USA

[3] Uludag Univ, Dept Phys, TR-16059 Bursa, Turkey

来源：

PHYSICAL REVIEW D | 2014年 / 90卷 / 11期

基金：

美国国家科学基金会;

关键词：

FAMILY SYMMETRY; UNIFIED THEORIES; FERMION MASSES; BREAKING; SUPERSYMMETRY; PREDICTIONS; UNIFICATION; MODELS; MINIMA;

D O I：

10.1103/PhysRevD.90.116002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the sparticle (and Higgs) spectrum in a class of flavor symmetry-based minimal super-symmetric standard models, referred to here as sMSSM. In this framework the supersymmetry breaking Lagrangian takes the most general form consistent with a grand unified symmetry such as SO(10) and a non-Abelian flavor symmetry acting on the three families with either a 2+1 or a 3 family assignment. Models based on gauged SU(2) and SO(3) flavor symmetry, as well as non-Abelian discrete symmetries such as S-3 and A(4), have been suggested which fall into this category. These models describe supersymmetry breaking in terms of seven phenomenological parameters. The soft supersymmetry breaking masses at M-GUT of all sfermions of the first two families are equal in sMSSM, which differ in general from the corresponding third family mass. In such a framework we show that the muon g - 2 anomaly, the observed Higgs boson mass of similar to 125 GeV, and the observed relic neutralino dark matter abundance can be simultaneously accommodated. The resolution of the muon g - 2 anomaly in particular yields the result that the first two generation squark masses, as well the gluino mass, should be less than or similar to 2 TeV, which will be tested at LHC14.

引用

页数：11

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