%0 Journal Article %T Cosmic rays and neutrino interactions beyond the standard model %A Guenter Sigl %J Physics %D 2000 %I arXiv %R 10.1016/S0920-5632(00)00716-7 %X Some solutions of the hierarchy problem of particle physics can lead to significantly increased neutrino cross sections beyond the electroweak scale. We discuss some consequences for and constraints resulting from cosmic ray physics. %U http://arxiv.org/abs/hep-ph/0001049v1