Hadronic decay of the gravitino in the early universe and its implications to inflation

Details Hadronic decay of the gravitino in the early universe and its implications to inflation Hadronic decay of the gravitino in the early universe and its implications to inflation

2004-10-21

arxiv.org/abs/hep-ph/0410287v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 Postscript figures, Talk given at PASCOS'04 (Boston, MA, August 16 -- 22 (2004)

Scientific paper

We discuss the effects of the gravitino on the big-bang nucleosynthesis
(BBN), paying particular attention to the hadronic decay mode of the gravitino.
We will see that the hadronic decay of the gravitino significantly affect the
BBN and, for the case where the hadronic branching ratio is sizable, very
stringent upper bound on the reheating temperature after inflation is obtained.

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