We analyse the MSSM parameter space and discuss the narrow band near the so-called co-annihilation region where sleptons may be long-lived particles. This region is consistent with the WMAP restrictions on the Dark matter and depends on the value of tanβ. In this region staus are long-lived and may go through the detector. Due to a relatively small mass (150 ÷ 850 GeV) their production cross-section at LHC may reach a few % pb.
@article{arxiv.hep-ph/0509168,
title = {Production of Long-Lived Sleptons at LHC},
author = {A. V. Gladyshev and D. I. Kazakov and M. G. Paucar},
journal= {arXiv preprint arXiv:hep-ph/0509168},
year = {2009}
}