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Core-collapse Supernova Constraint on the Origin of Sterile Neutrino Dark Matter via Neutrino Self-interactions

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Sen,  Manibrata
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Citation

Chen, Y.-M., Sen, M., Tangarife, W., Tuckler, D., & Zhang, Y. (2022). Core-collapse Supernova Constraint on the Origin of Sterile Neutrino Dark Matter via Neutrino Self-interactions. Journal of Cosmology and Astroparticle Physics, 2022(11): 014. doi:10.1088/1475-7516/2022/11/014.

Cite as: https://hdl.handle.net/21.11116/0000-000B-6CB4-1
Abstract
Novel neutrino self-interaction can open up viable parameter space for the
relic abundance of sterile-neutrino dark matter (S$\nu$DM). In this work, we
constrain the relic target using core-collapse supernova which features the
same fundamental process and a similar environment to the early universe era
when S$\nu$DM is dominantly produced. We present a detailed calculation of the
effects of a massive scalar mediated neutrino self-interaction on the supernova
cooling rate, including the derivation of the thermal potential in the presence
of non-zero chemical potentials from plasma species. Our results demonstrate
that the supernova cooling argument can cover the neutrino self-interaction
parameter space that complements terrestrial and cosmological probes.