Neutrino production in UHECR proton interactions in the infrared background

Details Neutrino production in UHECR proton interactions in the infrared background Neutrino production in UHECR proton interactions in the infrared background

2004-04-27

arxiv.org/abs/astro-ph/0404535v1

Phys.Lett.B595:50-54,2004

Astronomy and Astrophysics

Astrophysics

5 pages, 4 postscript figures

Scientific paper

10.1016/j.physletb.2004.05.075

We discuss the contribution of proton photoproduction interactions on the isotropic infrared/optical background to the cosmic neutrino fluxes. This contribution has a strong dependence on the proton injection energy spectrum, and is essential at high redshifts. It is thus closely correlated with the cosmological evolution of the ultra high energy proton sources and of the inrared background itself. These interactions may also contribute to the source fluxes of neutrinos if the proton sources are located in regious of high infrared emission and magnetic fields.

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