Detectability of Upgoing Sleptons

Details Detectability of Upgoing Sleptons Detectability of Upgoing Sleptons

2004-10-26

arxiv.org/abs/hep-ph/0410353v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5figures. The revised parts added proper citations

Scientific paper

Some supersymmetric models predicted long lived charged sleptons. Following Albuquerque, Burdman and Chacko \cite{albu}, we consider an exact process where the $ \widetilde{\tau}$, the supersymmetry partner of $\tau$ lepton, are produced inside the earth by collisions of high energy neutrinos with nucleons. We detailedly investigate the possible signals of upgoing $ \widetilde{\tau}$ by comparing with the background muons where atmospheric neutrino flux is taken into account. The realistic spectra shows that km-scale experiments could see as many as 69 events a year by using the Waxman-Bahcall limit on the extraterrestrial neutrino flux.

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