Determining Reheating Temperature at LHC with Axino or Gravitino Dark Matter

Details Determining Reheating Temperature at LHC with Axino or Gravitino Dark Matter Determining Reheating Temperature at LHC with Axino or Gravitino Dark Matter

2008-11-14

arxiv.org/abs/0811.2427v1

AIP Conf.Proc.1115:27-32,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 8 figures, Submitted for the DSU proceedings to be published by the American institute of Physics (AIP)

Scientific paper

10.1063/1.3131512

After a period of inflationary expansion, the Universe reheated and reached full thermal equilibrium at the reheating temperature. In this talk, based on the paper, arXiv:0710.3349, we point out that, in the context of effective low-energy supersymmetric models, LHC measurements may allow one to determine reheating temperature as a function of the mass of the dark matter particle assumed to be either an axino or a gravitino. An upper bound on their mass and on the reheating temperature may also be derived.

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