TeV String State Excitation via High Energy Cosmic Neutrinos

Details TeV String State Excitation via High Energy Cosmic Neutrinos TeV String State Excitation via High Energy Cosmic Neutrinos

2002-04-10

arxiv.org/abs/hep-ph/0204112v2

Phys.Lett. B547 (2002) 31-36

Physics

High Energy Physics

High Energy Physics - Phenomenology

version to appear in PLB

Scientific paper

10.1016/S0370-2693(02)02728-4

We construct the open-string scattering amplitudes for neutrino-gluon collisions and evaluate the high energy neutrino-nucleon scattering cross section via string state excitations in the TeV string-scale scenario. We find that the neutrino-gluon scattering is the dominant contribution, 5-10 times larger than neutrino-quark processes, though black hole production may be larger than the string contribution at higher energies. We illustrate the observability of the string signal at the Auger Observatory and the IceCube neutrino telescope for a string scale about 1 TeV.

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