Hypercharged Anomaly Mediation
Abstract
We show that, in string models with the MSSM 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 α between the bino and gravitino mass lies in the range 0.05 < |α| < 0.25, and m3/2 > 35 TeV. We summarize some of the phenomenological features of this scenario.
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