Collider signals of gravitino dark matter in bilinearly broken R-parity
NAGIOS: RODERIC FUNCIONANDO

Collider signals of gravitino dark matter in bilinearly broken R-parity

DSpace Repository

Collider signals of gravitino dark matter in bilinearly broken R-parity

Show full item record

View       (157.8Kb)

    
Hirsch, Martin; Porod, Werner; Restrepo, Diego
This document is a artículoDate2005

Este documento está disponible también en : http://hdl.handle.net/10550/37450
In models with gauge mediated supersymmetry breaking the gravitino is the lightest supersymmetric particle. If R-parity is violated the gravitino decays, but with a half-live far exceeding the age of the universe and thus is, in principle, a candidate for the dark matter. We consider the decays of the next-to-lightest supersymmetric particle, assumed to be the neutralino. We show that in models where the breaking of R-parity is bilinear, the condition that R-parity violation explains correctly the measured neutrino masses fixes the branching ratio of the decay chi(1)(0) -> G gamma in the range 10(-3)-10(-2), if the gravitino mass is in the range required to solve the dark matter problem, i.e. of the order (few) 100 eV. This scenario is therefore directly testable at the next generation of colliders.

    Hirsch, Martin Porod, Werner Restrepo, Diego 2005 Collider signals of gravitino dark matter in bilinearly broken R-parity Journal of High Energy Physics 2005 3 062
http://dx.doi.org/10.1088/1126-6708/2005/03/062

This item appears in the following Collection(s)

Show full item record

Search DSpace

Advanced Search

Browse

Statistics