NLO thermal corrections to dark matter annihilation cross sections: A novel approach
Prabhat Butola,
D. Indumathi,
Pritam Sen
Abstract:Dark matter relic density has been increasingly accurately measured by successive generations of experiments. The Boltzmann equation determines the yields using the dark matter annihilation cross section as one of the inputs; the accurate computation of the latter including thermal contributions thus assumes importance. We report here the next-to-leading-order (NLO) thermal corrections to the cross sections for (Majorana) dark matter annihilation of standard model fermions, χχ→ff¯, via charged scalars. We use … Show more
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