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Gravitino dark matter and flavor symmetries
2014
Journal of High Energy Physics
In supersymmetric theories without R-parity, the gravitino can play the role of a decaying Dark Matter candidate without the problem of late NLSP decays affecting Big Bang Nucleosynthesis. In this work, we elaborate on recently discussed limits on R-parity violating couplings from decays to antideuterons and discuss the implications for two classes of flavor symmetries: horizontal symmetries, and Minimal Flavor Violation. In most of the parameter space the antideuteron constraints on R-parity
doi:10.1007/jhep08(2014)047
fatcat:fhwz6mia5vas7pvqbqdiec6rti