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hep-ph2002★ 2 cited
Cosmic Radiation Constraints on Low String Scale and Extra Dimension Cross Sections
Guenter Sigl
The observed interaction energy of cosmic rays with atmospheric nuclei reaches up to a PeV in the center of mass. We compute nucleon-nucleon and nucleon-neutrino cross sections for…
hep-ph2001
Ultrahigh Energy Neutrinos and Cosmic Rays as Probes of New Physics
G. Sigl
Cosmic high energy neutrinos are inextricably linked to the origin of cosmic rays which is one of the major unresolved questions in astrophysics. In particular, the highest energy…