%0 Journal Article
%A Fiorillo
%A Vliet, Arjen René van
%A Morisi, Stefano
%A Winter, Walter
%T Unified thermal model for photohadronic neutrino production in astrophysical sources
%J Journal of cosmology and astroparticle physics
%V 2021
%N 07
%@ 1475-7508
%C London
%I IOP
%M PUBDB-2021-01548
%M DESY-21-045
%M arXiv:2103.16577
%P 028 (1-38)
%D 2021
%Z JCAP 07 (2021) 028. 38 pages, 13 figures; data available at https://github.com/damianofiorillo/Unified-thermal-model
%X High-energy astrophysical neutrino fluxes are, for many applications, modeled as simple power laws as a function of energy. While this is reasonable in the case of neutrino production in hadronuclear pp sources, it typically does not capture the behavior in photohadronic pγ sources: in that case, the neutrino spectrum depends on the properties of the target photons the cosmic rays collide with and on possible magnetic-field effects on the secondary pions and muons. We show that the neutrino production from known photohadronic sources can be reproduced by a thermal (black-body) target-photon spectrum if one suitably adjusts the temperature,  thanks to multi-pion production processes. This allows discussing neutrino production from most known pγ sources, such as gamma-ray bursts, active galactic nuclei and tidal disruption events, in terms of a few parameters. We apply this thermal model to study the sensitivity of different classes of neutrino telescopes to photohadronic sources: we classify the model parameter space according to which experiment is most suitable for detection of a specific source class and demonstrate that different experiment classes, such as dense arrays, conventional neutrino telescopes, or radio-detection experiments, cover different parts of the parameter space. Since the model can also reproduce the flavor and neutrino-antineutrino composition, we study the impact on the track-to-shower ratio and the Glashow resonance.
%K neutrino: production (INSPIRE)
%K neutrino: detector (INSPIRE)
%K model: thermal (INSPIRE)
%K neutrino: spectrum (INSPIRE)
%K neutrino: flux (INSPIRE)
%K photon: cosmic radiation (INSPIRE)
%K photon hadron (INSPIRE)
%K magnetic field: effect (INSPIRE)
%K gamma ray: burst (INSPIRE)
%K neutrino antineutrino (INSPIRE)
%K temperature (INSPIRE)
%K sensitivity (INSPIRE)
%K black body (INSPIRE)
%K capture (INSPIRE)
%K flavor (INSPIRE)
%K muon (INSPIRE)
%K AGN (INSPIRE)
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000683046300029
%R 10.1088/1475-7516/2021/07/028
%U https://bib-pubdb1.desy.de/record/456598