Phenomenological aspects of gauge mediation with sequestered supersymmetry breaking in light of dark matter detection

摘要

Recently, a model of gauge mediation with sequestered supersymmetry (SUSY) breaking was proposed. In this model, the mass of the gravitino is ( mathcal{O}left( {100} right) ) without causing the flavor-changing neutral-current problem. In contrast to traditional gauge mediation, the gravitino is not the lightest SUSY particle, and the neutralino is the candidate of the dark matter. In this paper, we investigate phenomenological aspects of the model and discuss the possibility of the direct detection of the dark matter. In particular, we focus on the light neutralino case and find that the light-Higgsino scenario such as the focus point is interesting in the light of the recent CDMS result.