Possible Implications of a Light Gluino

Details Possible Implications of a Light Gluino Possible Implications of a Light Gluino

1993-03-30

arxiv.org/abs/hep-ph/9303315v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pag. + 2 fig(available upon request), FTUV/93-9 IFIC/93-5

Scientific paper

Light gluinos have been suggested in order to reconcile $\alpha_s$ determinations from low energy deep inelastic experiments with those inferred from LEP measurements. {}From this hypothesis then one expects, in unified N=1 supergravity models, that also the "photino" will be light. We show that this possibility is not in conflict with recent LEP measurements and also that cosmology does not necessarily rule it out in any convincing way. Moreover it leads to $upper$ limits on the masses of the other supersymmetric fermions, for example, the lightest chargino should be lighter than about 75 GeV}

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