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Diffractive dijet production at sqrt[s] = 630 and 1800 GeV at the Fermilab Tevatron |
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| Authors: | Acosta D Affolder T Akimoto H Albrow M G Amaral P Ambrose D Amidei D Anikeev K Antos J Apollinari G Arisawa T Artikov A Asakawa T Ashmanskas W Azfar F Azzi-Bacchetta P Bacchetta N Bachacou H Bailey S de Barbaro P Barbaro-Galtieri A Barnes V E Barnett B A Baroiant S Barone M Bauer G Bedeschi F Belforte S Bell W H Bellettini G Bellinger J Benjamin D Bensinger J Beretvas A Berge J P Berryhill J Bhatti A Binkley M Bisello D Bishai M Blair R E Blocker C Bloom K Blumenfeld B Blusk S R Bocci A Bodek A Bolla G Bonushkin Y Borras K Bortoletto D Boudreau J Brandl A van den Brink S Bromberg C Brozovic M |
| Institution: | University of Florida, Gainesville, Florida 32611, USA. |
| Abstract: | We report a measurement of the diffractive structure function F(D)(jj) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in pp collisions at sqrts] = 630 GeV at the Fermilab Tevatron. The ratio of F(D)(jj) at sqrts] = 630 GeV to F(D)(jj) obtained from a similar measurement at sqrts] = 1800 GeV is compared with expectations from QCD factorization and other theoretical predictions. We also report a measurement of the xi ( x-Pomeron) and beta ( x of parton in Pomeron) dependence of F(D)(jj) at sqrts] = 1800 GeV. In the region 0.035 |
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