Volume 85, Number 6, March 2009
|Number of page(s)||5|
|Section||The Physics of Elementary Particles and Fields|
|Published online||24 March 2009|
An extension for direct gauge mediation of metastable supersymmetry breaking
Institute of Theoretical Physics, Academia Sinica - Beijing 100190, China
Corresponding author: firstname.lastname@example.org
Accepted: 21 February 2009
We study the direct mediation of metastable supersymmetry breaking by a -deformation to the ISS model and extend it by splitting both and terms in the superpotential and gauging the flavor symmetry. We find that with such an extension enough-long-lived metastable vacua can be obtained and the proper gaugino masses can be generated. Also, this allows for constructing a kind of models which can avoid the Landau pole problem. Especially, in our metastable vacua there exist a large region for the parameter m3 which can satisfy the phenomenology requirements and allow for a low SUSY-breaking scale ( ~ 100 TeV).
PACS: 12.60.Jv – Supersymmetric models / 14.80.Ly – Supersymmetric partners of known particles
© EPLA, 2009
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