The process and the search for virtual SUSY effects at a Collider G.J. Gounaris, J. Layssac, P.I. Porfyriadis and F.M. Renard Eur. Phys. J. C, 13 1 (2000) 79-97 Published online: 03 February 2000 DOI: 10.1007/s100520000307