Big-Bang Nucleosynthesis with Long-Lived Charged Slepton

Details Big-Bang Nucleosynthesis with Long-Lived Charged Slepton Big-Bang Nucleosynthesis with Long-Lived Charged Slepton

2007-03-12

arxiv.org/abs/hep-ph/0703122v2

Phys.Lett.B649:436-439,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures

Scientific paper

10.1016/j.physletb.2007.03.063

We consider constraints on long-lived charged scalar leptons \tilde{l}^\pm in supersymmetric models, where gravitino is the lightest superparticle. We study the decay and hadronization processes of \tilde{l}^\pm. We also take into account the significant enhancement of Li6 production due to the formation of the bound-state (He4 \tilde{l}^-); for this purpose, we use the reaction rate given by the most recent calculation based on coupled-channel method.

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