Some possible sources of IceCube TeV–PeV neutrino events

The IceCube Collaboration has observed 37 neutrino events in the energy range 30 TeV ≤ E ν ≤ 2 PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCub...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2015-06, Vol.75 (6), p.1, Article 273
Hauptverfasser: Sahu, Sarira, Miranda, Luis Salvador
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description The IceCube Collaboration has observed 37 neutrino events in the energy range 30 TeV ≤ E ν ≤ 2 PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCube events, the latter being in the error circle of the highest energy event so far observed by IceCube. Two of the above blazars are simultaneously within the error circles of the Telescope Array hotspot and one IceCube event. We found that the blazar H2356-309 is within the error circles of three IceCube events. We propose that photohadronic interactions of the Fermi accelerated high energy protons with the synchrotron/SSC background photons in the nuclear region of these high energy blazars and AGN are probably responsible for some of the observed IceCube events.
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subjects Astronomy
Astrophysics and Cosmology
Elementary Particles
Hadrons
Heavy Ions
Letter
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
String Theory
title Some possible sources of IceCube TeV–PeV neutrino events
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