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Axino dark matter and baryon number asymmetry from Q-ball decay in gauge mediation
Axino dark matter baryon number asymmetry Q-ball decay gauge mediation
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2012/2/21
We investigate the Q-ball decay into the axino dark matter in the gauge-mediated supersymmetry breaking. In our scenario, the Q ball decays mainly into nucleons and partially into axinos to account fo...
Gravitino dark matter and baryon asymmetry from Q-ball decay in gauge mediation
Gravitino dark matter baryon asymmetry Q-ball decay gauge mediation
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2011/10/18
We investigate the Q-ball decay in the gauge-mediated SUSY breaking. Q balls decay mainly into nucleons, and partially into gravitinos, while they are kinematically forbidden to decay into sparticles ...
On messengers and metastability in gauge mediation
messengers metastability gauge mediation
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2010/12/23
One notoriously difficult problem in perturbative gauge mediation of supersymmetry breaking via messenger fields is the generic presence of a phenomenologically unacceptable vacuum with messenger vev...
Singlet-Stabilized Minimal Gauge Mediation
Singlet-Stabilized Minimal Gauge Mediation
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2010/12/23
We propose Singlet Stabilized Minimal Gauge Mediation as a simple ISS-based model of Direct Gauge Mediation which avoids both light gauginos and Landau poles. The hidden sector is a massive s-confinin...