Determining Reheating Temperature at Colliders with Axino or Gravitino Dark Matter

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

2007-10-17

arxiv.org/abs/0710.3349v2

JHEP0804:016,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, some improvements, JHEP version

Scientific paper

10.1088/1126-6708/2008/04/016

After a period of inflationary expansion, the Universe reheated and reached full thermal equilibrium at the reheating temperature T_R. In this work we point out that, in the context of effective low-energy supersymmetric models, LHC measurements may allow one to determine T_R 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 may also be derived.

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