blois-2003

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# Quark/gluon exchange across a rapidity gap:# No particles radiated in the gap:POMERONthe exchange is COLOR-SINGLET with quantum numbers of vacuum# Rapidity gap formation:The PomeronNON-PERTURBATIVE# Diffraction probes the large distance aspects of QCD:?POMERON CONFINEMENT! PARTONIC STRUCTURE! FACTORIZATION
! Elastic scattering! Total cross section! DiffractionSOFT diffractionDiffraction at CDF in Run I0000 1111p 010000 11110000 11110000 11110000 11110000 1111 010000 1111 010000 1111 01p0000 11110000 1111 010000 11110000 1111φControlsamplePRD 50 (1994) 5518ηNon−Diffractive(ND)PRD 50 (1994) 5550ppφIPηSingle−Diffractive(SD)φppIPηDouble Diffractive(DD)ppφIPIPηDouble PomeronExchange (DPE)ppφIPIPηSingle + DoubleDiffractive (SDD)PRD PRL PRL PRL50 (1994) 5535 87 (2001)141802 to be sub’d acceptedHARD diffractionPRL referencewith roman potsJJ 84 (2000) 5043JJ 88 (2002) 151802(a) (b) (c)φ Gap Jet+Jet φ Jet Gap Jet φ Gap Jet+Jet Gapη η ηW 78 (1997) 2698 JJ 74 (1995) 855 JJ 85 (2000) 4217JJ 79 (1997) 2636 JJ 80 (1998) 1156b-quark 84 (2000) 232 JJ 81 (1998) 5278J/ψ 87 (2001) 241802
Page 1 and 2: Soft and Hard Diffraction at CDFKon
Page 3: "rapidity gaps are regions of rapid
Page 7 and 8: Soft Single Diffraction Datap( p) +
Page 9 and 10: Two-Gap Diffraction (hep-ph/0205141
Page 11 and 12: Soft Double Pomeron Exchange# Roman
Page 14 and 15: Diffractive Dijets with Leading Ant
Page 16 and 17: Dijets in Double Pomeron ExchangeTe
Page 18 and 19: Run II Forward Detector Layout
Page 20 and 21: J5RP inclusiveRP+J5RP+J5+BSC-GAP_pR
Page 22 and 23: Diffractive Dijet Structure Functio
Page 24 and 25: Data SelectionDPE: RP+J5+BSC_GAP_pS
Page 26 and 27: Inclusive/Exclusive DPE Dijet Predi
Page 28 and 29: Run II: Exclusive DPE Dijets ?No ex
Page 30: SUMMARYSoft and hard conclusions$ S

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