Hypercharged Anomaly Mediation

Details Hypercharged Anomaly Mediation Hypercharged Anomaly Mediation

2007-11-20

arxiv.org/abs/0711.3211v3

Phys.Rev.Lett.100:131804,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, minor modifications to match the version published in PRL

Scientific paper

10.1103/PhysRevLett.100.131804

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 \alpha between the bino and gravitino mass lies in the range 0.05 < |\alpha| < 0.25, and m_{3/2} > 35 TeV. We summarize some of the phenomenological features of this scenario.

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