A note on the primordial abundance of stau NLSPs

Details A note on the primordial abundance of stau NLSPs A note on the primordial abundance of stau NLSPs

2008-08-06

arxiv.org/abs/0808.0829v2

JCAP 0810:026,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 5 figures, discussion on vacuum stability added

Scientific paper

10.1088/1475-7516/2008/10/026

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.

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