blois-2003

parton modelSoft diffractionFactorization & (re)normalizationσpp-Tα ( t ) = 1+ε + α'tIPεε ln sα IP= σos = σoe ⇐ σosTOTAL CROSS SECTIONpp-t=0p-β(0)β( t )t,ξpβ(0)ELASTIC SCATTERINGSINGLE DIFFRACTION DISSOCIATION2=ppPomerontrajectoryβ( t )tβ( ) tβ( t )β( t )tg(t)p-t=0p-β(0)Renormalize to unityKG, PLB 358 (1995) 379tp(0) −1φ∆y2d σd∆y′dtC ⋅ln s( ∆y,t)( ∆y')4-7 June 2003 K. Goulianos, Low-x Workshop, Nafplion 6=f∆y'ln MIP / p×σIP−pg IP −IP−IP( t)Gap probabilityκ = β (0)2Xy([ ε + α′t ] ∆ye F (t)) 2p∆y = ln s − ∆y′κ × σIP−pe ε ∆y′oM XCOLORFACTOR