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Constraining the environment of neutrino-emitting regions in jets of FSRQs

Anita Reimer
•
Markus Böttcher
•
Sara Buson
•
Davide Miceli
2019
  • conference object

Periodico
POS PROCEEDINGS OF SCIENCE
Abstract
Recently, the gamma-ray blazar TXS 0506+056 has been proposed as the source of neutrino events detected by IceCube in 2014-15 and 2017. This has further pushed the idea of blazar jets being among those cosmic sites where significant neutrino production may take place. We use a procedure based on source-internal electromagnetic cascading to constrain the environments of neutrino-producing sites in photomeson production models of jetted AGN. The role of external photon fields as the dominant target for particle-photon interactions including possible effects of the anisotropic nature of the interactions in the co-moving jet frame is discussed. We apply this procedure to the 2014-15 neutrino spectrum observed by IceCube from TXS 0506+056 to conduct a comprehensive study of these cascade spectra. By comparing these to the simultaneous multi-wavelength emission of this blazar constraints on the environment of the neutrino-emitting region are derived.
Archivio
http://hdl.handle.net/11390/1168133
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85086264638
https://pos.sissa.it/358/988/pdf
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Data di acquisizione
Apr 19, 2024
Vedi dettagli
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