A note on the primordial abundance of stau NLSPs
Ratz, Michael and Schmidt-Hoberg, Kai and Winkler, Martin Wolfgang
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Abstract
In scenarios with a gravitino LSP, there exist strong BBN constraints on the abundance of a possible stau NLSP. We find that in settings with substantial left-right mixing of the stau mass eigenstates these constraints can be evaded even for very long-lived staus.
