Black hole spin influence on accretion disk neutrino detection

Neutrinos are copiously emitted from neutrino-cooled black hole accretion disks playing a fundamental role in their evolution, as well as in the production of gamma ray bursts and r-process nucleosynthesis. The black hole generates a strong gravitational field able to change the properties of the em...

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Published in:Physical review. D 2016-06, Vol.93 (12), Article 123015
Main Authors: Caballero, O. L., Zielinski, T., McLaughlin, G. C., Surman, R.
Format: Article
Language:English
Subjects:
Accretion disks
Black holes (astronomy)
Cosmology
Gamma ray bursts
Inclination
Luminosity
Neutrinos
Toruses
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description Neutrinos are copiously emitted from neutrino-cooled black hole accretion disks playing a fundamental role in their evolution, as well as in the production of gamma ray bursts and r-process nucleosynthesis. The black hole generates a strong gravitational field able to change the properties of the emerging neutrinos. We study the influence of the black hole spin on the structure of the neutrino surfaces, neutrino luminosities, average neutrino energies, and event counts at SuperK. We consider several disk models and provide estimates that cover different black hole efficiency scenarios. We discuss the influence of the detector's inclination with respect to the axis of the torus on neutrino properties. We find that tori around spinning black holes have larger luminosities, energies, and rates compared to tori around static black holes and that the inclination of the observer causes a reduction in the luminosities and detection rates but an increase in the average energies.
doi_str_mv 10.1103/PhysRevD.93.123015
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects Accretion disks
Black holes (astronomy)
Cosmology
Gamma ray bursts
Inclination
Luminosity
Neutrinos
Toruses
title Black hole spin influence on accretion disk neutrino detection
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