Neutrino probe of cosmic ray astrophysics and new physics at sub-fermi distances

Details Neutrino probe of cosmic ray astrophysics and new physics at sub-fermi distances Neutrino probe of cosmic ray astrophysics and new physics at sub-fermi distances

2009-07-29

arxiv.org/abs/0907.5208v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Talk given at SUSY09, the 17th International Conference on Supersymmetry and the Unification of Fundamental Interactions, Bost

Scientific paper

We show that if the evolution of cosmic ray sources follows that of active
galactic nuclei, the upper limit on the diffuse flux of tau neutrinos from the
Pierre Auger Observatory marginally constrains the proton fraction at the end
of the energy spectrum. We also discuss prospects to uncover new physics
leptophobic interactions using future Auger data.

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