Hypercharged anomaly mediation
Radovan Dermísek1, Herman Verlinde, Lian-Tao Wang
1School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey 08540, USA.
Abstract:
We show that, in string models with the minimal supersymmetric standard model residing on D-branes, the bino mass can be generated in a geometrically separated hidden sector. Hypercharge mediation thus naturally teams up with anomaly mediation. The mixed scenario predicts a distinctive yet viable superpartner spectrum, provided that the ratio alpha between the bino and gravitino mass lies in the range 0.05 < or = |alpha| < or = 0.25 and m(3/2) > or = 35 TeV. We summarize some of the experimental signatures of this scenario.
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