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Diffractive Dijet Production at s√=630 and 1800 GeV at the Fermilab Tevatron

CollaborationWith : Clark, Allan Geoffrey / Kambara, Hisanori / Speer, Thomas / Strumia Michelini, Federica / Wu, Xin
Published in Physical Review Letters. 2002, vol. 88, no. 15, p. 151802
Abstract We report a measurement of the diffractive structure function FDjj of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in p¯p collisions at s√=630GeV at the Fermilab Tevatron. The ratio of FDjj at s√=630GeV to FDjj obtained from a similar measurement at s√=1800GeV is compared with expectations from QCD factorization and other theoretical predictions. We also report a measurement of the ξ ( x-Pomeron) and β ( x of parton in Pomeron) dependence of FDjj at s√=1800GeV. In the region 0.035<ξ<0.095, |t|<1GeV2, and β<0.5, FDjj(β,ξ) is found to be of the form β−1.0±0.1ξ−0.9±0.1, which obeys β-ξ factorization.
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CDF COLLABORATION. Diffractive Dijet Production at s√=630 and 1800 GeV at the Fermilab Tevatron. In: Physical Review Letters, 2002, vol. 88, n° 15, p. 151802. doi: 10.1103/PhysRevLett.88.151802 https://archive-ouverte.unige.ch/unige:38018

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Deposited on : 2014-06-23

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