PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Posters
Boltzmann Boost in Assisted Annihilation
T.N. Maity
Full text: pdf
Published on: August 02, 2019
Abstract
Assisted annihilation is a mechanism to generate light dark matter through novel annihilation where two DM and one or more no assister(s) are there in the initial state and two SM or SM-like states are in the final state. We showed that depending on the mass hierarchy between assister and dark matter we can have either a suppression or a boost from a Boltzmann factor in the effective cross-section. This boost helps to achieve the required relic density for a MeV scale dark matter mass.
DOI: https://doi.org/10.22323/1.340.0737
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