Black hole accretion disk diffuse neutrino background

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 09 Aug 2019Embargo end date: 01 Jan 2018 English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 100 (issn: 2470-0010, eissn: 2470-0029,

Copyright policy )Funded by:NSERC | unidentified

Authors: Schilbach, T. S. H.; Caballero, O. L.; McLaughlin, G. C.;

doi: 10.1103/physrevd.100.043008 , 10.48550/arxiv.1808.03627

arXiv: 1808.03627

Black hole accretion disk diffuse neutrino background

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Abstract

We study the cosmic MeV neutrino background from accretion disks formed during collapsars and the coalescence of compact-object mergers. We provide updated estimates, including detection rates, of relic neutrinos from collapsars, as well as estimates for neutrinos that are produced in mergers. Our results show that diffuse neutrinos detected at HyperK would likely include some that were emitted from binary neutron-star mergers. The collapsar rate is uncertain, but at its upper limit relic neutrinos from these sources would provide a significant contribution to the Cosmic Diffuse Neutrino Background.

10 pages, 6 figures

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Keywords

High Energy Astrophysical Phenomena (astro-ph.HE), Nuclear Theory (nucl-th), Cosmology and Nongalactic Astrophysics (astro-ph.CO), Nuclear Theory, FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics

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