Gravitino dark matter and neutrino masses with bilinear R-parity violation
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Gravitino dark matter and neutrino masses with bilinear R-parity violation

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Gravitino dark matter and neutrino masses with bilinear R-parity violation

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Restrepo, Diego; Taoso, Marco; Furtado Valle, José Wagner Perfil; Zapata, Óscar
Aquest document és un/a article, creat/da en: 2012
Bilinear R-parity violation provides an attractive origin for neutrino masses and mixings. In such schemes the gravitino is a viable decaying dark matter particle whose R-parity violating decays lead to monochromatic photons with rates accessible to astrophysical observations. We determine the parameter region allowed by gamma-ray line searches, dark matter relic abundance and neutrino oscillation data, obtaining a limit on the gravitino mass $m_{\tilde G} \lsim$ 1-10 GeV corresponding to a relatively low reheat temperature $T_R \lsim$ few ×107−108 GeV. Neutrino mass and mixing parameters may be reconstructed at accelerator experiments like the Large Hadron Collider.

    Restrepo, Diego Taoso, Marco Furtado Valle, José Wagner Zapata, Óscar 2012 Gravitino dark matter and neutrino masses with bilinear R-parity violation Physical Review D 85 2 023523
http://dx.doi.org/10.1103/PhysRevD.85.023523
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