Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-12-22
JHEP 1003:052,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 8 figures; v2:references added, some corrections; v3:version accepted for publication in JHEP
Scientific paper
10.1007/JHEP03(2010)052
In a recent work, a model of gauge mediation with sequestered supersymmetry (SUSY) breaking was proposed. In this model, the mass of the gravitino is O(100) GeV 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 this 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, taking account of the recent CDMS result.
Endo Motoi
Shirai Satoshi
Yonekura Kazuya
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