A simple model of low-scale direct gauge mediation | Zendy

Csaba Csáki | Zendy; Yuri Shirman | Zendy; John Terning | Zendy

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A simple model of low-scale direct gauge mediation

Author(s) -

Csaba Csáki,

Yuri Shirman,

John Terning

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/05/099

Subject(s) - mediation , simple (philosophy) , scale (ratio) , gauge (firearms) , computer science , physics , geography , sociology , epistemology , quantum mechanics , philosophy , social science , archaeology

We construct a calculable model of low-energy direct gauge mediation makinguse of the metastable supersymmetry breaking vacua recently discovered byIntriligator, Seiberg and Shih. The standard model gauge group is a subgroup ofthe global symmetries of the SUSY breaking sector and messengers play anessential role in dynamical SUSY breaking: they are composites of a confininggauge theory, and the holomorphic scalar messenger mass appears as aconsequence of the confining dynamics. The SUSY breaking scale is around 100TeV nevertheless the model is calculable. The minimal non-renormalizablecoupling of the Higgs to the DSB sector leads in a simple way to a mu-term,while the B-term arises at two-loop order resulting in a moderately large tanbeta. A novel feature of this class of models is that some particles from thedynamical SUSY breaking sector may be accessible at the LHC.Comment: 13 pages, LaTeX, 2 figures. References adde

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