Dark matter produced from neutrinos
Marco Hufnagel, Xun-Jie Xu
TL;DR
This paper explores a scenario where dark matter is produced through neutrino interactions in the early Universe, and discusses potential detection of related neutrino signals by future experiments like PTOLEMY.
Contribution
It introduces a novel freeze-in production mechanism for dark matter via neutrino interactions and analyzes its implications for cosmic neutrino signals.
Findings
PTOLEMY could detect neutrino signals from dark matter annihilation
Neutrino-DM interactions influence early Universe evolution
Potential observable signatures in future neutrino experiments
Abstract
In the presence of interactions between neutrinos and dark matter (DM), DM can potentially be produced via freeze-in from the neutrino sector. We investigate the implications of such a scenario for the evolution of both DM and neutrinos in the early Universe, and show that the future cosmic neutrino detection experiment PTOLEMY might be sensitive to neutrino signals that originate from DM annihilation in this model.
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