Phenomenology of pure general gauge mediation

被引：39

作者：

Abel, Steven ^{[1
]}

Dolan, Matthew J. ^{[2
]}

Jaeckel, Joerg ^{[1
]}

Khoze, Valentin V. ^{[1
]}

机构：

[1] Univ Durham, Inst Particle Phys Phenomenol, Durham DH1 3LE, England

[2] Univ Cambridge, DAMTP, CMS, Cambridge CB3 0HE, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 12期

关键词：

Supersymmetry Breaking; Beyond Standard Model; Supersymmetric Standard Model; LARGE TAN-BETA; SUSY-BREAKING; RELIC DENSITY; DARK-MATTER; MU-PROBLEM; SUPERSYMMETRY; PROGRAM; MODELS; ELECTROWEAK; MICROMEGAS;

D O I：

10.1088/1126-6708/2009/12/001

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We investigate the phenomenology of general gauge mediation in the MSSM. We apply the strict definition of gauge mediated SUSY-breaking where B-mu is generated only through gauge interactions, and as a result is very close to zero at the messenger scale. In this setup tan beta is a prediction rather than an input. The input parameters are independent scales for the gaugino masses, the scalar masses and the messenger mass in accord with general gauge mediation. We investigate the spectra, the constraints on the parameter space from direct searches and indirect observables, as well as fine-tuning. The favoured region of parameter space includes and interpolates between non-split and mildly split SUSY, characteristic of ordinary gauge mediation and direct gauge mediation models, respectively.

引用

页数：29

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