Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-08-07
Nucl.Phys.B810:266-299,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, 1 table, 27 figures. Minor changes. Version published in Nucl. Phys. B
Scientific paper
10.1016/j.nuclphysb.2008.11.020
We present an extensive analysis of gauge-mediated supersymmetry breaking models with minimal and non-minimal flavour violation. We first demonstrate that low-energy, precision electroweak, and cosmological constraints exclude large "collider-friendly" regions of the minimal parameter space. We then discuss various possibilities how flavour violation, although naturally suppressed, may still occur in gauge-mediation models. The introduction of non-minimal flavour violation at the electroweak scale is shown to relax the stringent experimental constraints, so that benchmark points, that are also cosmologically viable, can be defined and their phenomenology, i.e. squark and gaugino production cross sections with flavour violation, at the LHC can be studied.
Fuks Benjamin
Herrmann Björn
Klasen Michael
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