Gravitino Dark Matter with Stop as the NLSP

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Gravitino is one feasible candidate for the dark matter in supergravity models. With its couplings being suppressed by the Plank mass, gravitino interacts very weakly with other particles, making its direct detection, or production at colliders practically impossible. The signatures of this scenario mainly arise from the next lightest supersymmetric particle (NLSP) which is metastable due to the very weak coupling. There are many possibilities for the NLSP, and here I will review the feasibility of stop particle as the NLSP and discuss its phenomenology.
Submitted for the SUSY07 proceedings

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/138689

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0709.3952
 http://arxiv.org/abs/0709.3952

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arXiv