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OBSERVATION OF DIRECT PROCESSES IN PHOTOPRODUCTION AT HERA

DERRICK, M; KRAKAUER, D; MAGILL, S; MUSGRAVE, B; REPOND, J; REPOND, S; ... IGA, Y; + view all (1994) OBSERVATION OF DIRECT PROCESSES IN PHOTOPRODUCTION AT HERA. PHYS LETT B , 322 (3) 287 - 300.

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Abstract

Jets in photoproduction events have been studied with the ZEUS detector for gammap centre-of-mass energies ranging from 130 to 2 50 GeV. The inclusive jet distributions give evidence for the dominance of resolved photon interactions. In the di-jet sample the direct processes are for the first time clearly isolated. Di-jet cross sections for the resolved and direct processes are given in a restricted kinematic range.

Type:Article
Title:OBSERVATION OF DIRECT PROCESSES IN PHOTOPRODUCTION AT HERA
Keywords:CENTRAL TRACKING DETECTOR, LEADING-ORDER QCD, PARTON DISTRIBUTIONS, MONTE-CARLO, PHOTON, ZEUS, COLLIDER
UCL classification:UCL > School of Arts and Social Sciences > Faculty of Arts and Humanities > Philosophy
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy

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