Neutrinos from Cosmic Accelerators Including Magnetic Field and Flavor Effects

Abstract

We review the particle physics ingredients affecting the normalization, shape, and flavor composition of astrophysical neutrinos fluxes, such as different production modes, magnetic field effects on the secondaries (muons, pions, kaons), and flavor mixing, where we focus on p-gamma interactions. We also discuss the interplay with neutrino propagation and detection, including the possibility to detect flavor and its application in particle physics, and the use of the Glashow resonance to discriminate p-gamma from p-p interactions in the source. We illustrate the implications on fluxes and flavor composition with two different models: 1) the target photon spectrum is dominated by synchrotron emission of co-accelerated electrons and 2) the target photon spectrum follows the observed photon spectrum of gamma-ray bursts. In the latter case, the multi-messenger extrapolation from the gamma-ray fluence to the expected neutrino flux is highlighted.

42 pages, 14 figures. Invited review for Advances in High Energy Physics. Comments welcome!

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Cited by in corpus (3)

• A Possible Two-component Flux for the High Energy Neutrino Events at IceCube
• A further study of μ-τsymmetry breaking at neutrino telescopes after the Daya Bay and RENO measurements of θ_{13}
• Escape and propagation of UHECR protons and neutrons from GRBs, and the cosmic ray-neutrino connection