Papers › Big Bang Nucleosynthesis constraints on resonant DM annihilations
Big Bang Nucleosynthesis constraints on resonant DM annihilations
Pieter Braat, Marco Hufnagel
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We perform a systematic study of BBN constraints from photodisintegration for scenarios in which dark-matter annihilations are resonantly-enhanced. To this end, we implement and make available a new class ResonanceModel within an updated version v1.3.0 of ACROPOLIS. While the corresponding implementation is done in a rather model-independent way, we also make available three benchmark models that can be used to calculate constraints for more concrete scenarios. Using this new version of ACROPOLIS, we present for the first time the corresponding constraints on resonantly-enhanced s-wave and p-wave annihilations. We show that for s-wave annihilations the bounds are usually very similar to the ones without a resonance, while for p-wave annihilations the bounds can be significantly stronger. The updated version v1.3.0 of ACROPOLIS can be found at https://github.com/hep-mh/acropolis .
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