Hi all, I've posted a draft of my talk in (ppt) http://www.slac.stanford.edu/~asarti/recoil/talks/coll_meet_040602_2.ppt (ps) http://www.slac.stanford.edu/~asarti/recoil/talks/talk_6.ps.gz (pdf) http://www.slac.stanford.edu/~asarti/recoil/talks/talk_6.pdf Please send me any comment or question. Thanks to all, alessio ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara tel +39-0532-781928 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972 "Vorrei tanto sapere chi e' che va in giro a costruire quadrati sull'ipotenusa"