Determining Reheating Temperature at Colliders with Axino or Gravitino Dark Matter
arXiv:0710.3349 · doi:10.1088/1126-6708/2008/04/016
Abstract
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.
19 pages, some improvements, JHEP version
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