blois-2003

eventsCentral and Double-Gap Results√s=1800 GeV10 5 DATADD + non-DD MCnon-DD MC10 410 310 2100 1 2 3 4 5 6 7Differential shapes agree with Regge predictionsevents10 5 √s=1800 GeVDATASDD + SD MC10 4SD MC10 310 20 1 2 3 4 5 6 7Number of Events per ∆logξ = 0.1( GeV 2 )CDF Preliminary2M X 10 5DPE MCSD MC10 4 DPE+SD MC10 310 2 √s ⎯ = 1800 GeV0.035 ≤ ξ- p ≤ 0.095| t- p | ≤ 1.0 GeV2101 10 10 2 10 3 10 4 10 5 10 6DataDD SDD DPE∆η 0 =η max-η min∆η 0 exp =η max -η minξ p Xσ DD(mb) for ∆η > 3.0101# One-gap cross sections require renormalizationCDFUA5 (adjusted)ReggeRenormalized gap# Two-gap/one-gap ratios are ≈ κ =≈ 0. 17gap fraction ∆η > 3.0110 -1CDF: one-gap/no-gapCDF: two-gap/one-gapRegge predictionRenorm-gap prediction2-gap1-gapFraction of Events with ξ p< 0.020.50.40.30.20.1CDF Data: DPE/SD ratio (Preliminary)Regge + FactorizationGap Probability Renorm.Pomeron Flux Renom.10 2 10 10 2 10 3√s (GeV)21010 3sub-energy √s --, (GeV)010 3 √s ⎯ (GeV)