Non-Universality Effects and Dark Matter in Gravity Mediated SUSY Breaking

Details Non-Universality Effects and Dark Matter in Gravity Mediated SUSY Breaking Non-Universality Effects and Dark Matter in Gravity Mediated SUSY Breaking

1997-08-05

arxiv.org/abs/hep-ph/9708249v1

Nucl.Phys.Proc.Suppl.62:241-247,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX 7 pages,4 figures, requires espcrc2.sty available from http://dept.physics.upenn.edu

Scientific paper

10.1016/S0920-5632(97)00663-4

Dark matter detection rates for supergravity models with R parity where supersymmetry is broken at a scale >~M_G are discussed. Non-universal soft breaking masses in both the Higgs and squark sectors are considered, and it is seen that these can effect rates by a factor of 10-100 when m_X <~ 65 GeV (X=lightest neutralino) but otherwise make relatively small corrections. The b->s+\gamma branching ratio is seen to correlate with detector event rates, large (small) branching ratios corresponding to small (large) event rates. Effects of precision determinations of cosmological parameters or event rate predictions by future satellite experiments are discussed for the LCDM and the vCDM models.

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