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Photon, Neutrino and Charged Particle Spectra from R-violating Gravitino Decays | | N.-E. Bomark
; S. Lola
; P. Osland
; A.R. Raklev
; | | Date: |
17 Nov 2009 | | Abstract: | We study photonic, neutrino and charged particle signatures from slow decays
of gravitino dark matter in supersymmetric theories where R-parity is
explicitly broken by trilinear operators. Photons and (anti-)fermions from loop
and tree-level processes give rise to spectra with distinct features, which, if
observed, can give crucial input on the possible mass of the gravitino and the
magnitude and flavour structure of R-violating operators. Within this
framework, we make detailed comparisons of the theoretical predictions to the
recent experimental data from PAMELA, ATIC and Fermi LAT. | | Source: | arXiv, 0911.3376 | | Services: | Forum | Review | PDF | Favorites | |
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