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We exploit the measured branching ratio for $b \rightarrow s\gamma$ to derivelower limits on the sparticle and Higgs masses in the minimal stringunification models. For the LSP('bino'), chargino and the lightest Higgs, theseturn out to be 50, 90 and 75 GeV respectively. Taking account of the upperbounds on the mass spectrum from the LSP relic abundance, we estimate thedirect detection rate for the latter to vary from 10^{-1} to 10^{-4}events/kg/day. The muon flux, produced by neutrinos from the annihilatingLSP's, varies in the range 10^{-2} - 10^{-9} muons/m^2/day.Comment: Latex, 20 page

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

From<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi><mml:mo>→</mml:mo><mml:mi>s</mml:mi><mml:mi>γ</mml:mi></mml:math>to the LSP detection rates in minimal string unification models

Fromb→sγto the LSP detection rates in minimal string unification models