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COMPARISON OF ENERGY FLOWS IN DEEP-INELASTIC SCATTERING EVENTS WITH AND WITHOUT A LARGE RAPIDITY GAP

DERRICK, M; KRAKAUER, D; MAGILL, S; MUSGRAVE, B; REPOND, J; SCHLERETH, J; STANEK, R; (1994) COMPARISON OF ENERGY FLOWS IN DEEP-INELASTIC SCATTERING EVENTS WITH AND WITHOUT A LARGE RAPIDITY GAP. PHYS LETT B , 338 (4) 483 - 496.

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Abstract

Energy flows in deep inelastic electron-proton scattering are investigated at a center-of-mass energy of 296 GeV for the range Q2 greater-than-or-equal-to 10 GeV2 using the ZEUS detector. A comparison is made between events with and without a large rapidity gap between the hadronic system and the proton direction. The energy flows, corrected for detector acceptance and resolution, are shown for these two classes of events in both the HERA laboratory frame and the Breit frame. From the differences in the shapes of these energy flows we conclude that QCD radiation is suppressed in the large-rapidity-gap events compared to the events without a large rapidity gap.

Type: Article
Title: COMPARISON OF ENERGY FLOWS IN DEEP-INELASTIC SCATTERING EVENTS WITH AND WITHOUT A LARGE RAPIDITY GAP
Keywords: LUND MONTE-CARLO, JET FRAGMENTATION, E+E-PHYSICS, QCD, CALORIMETER, PARTON, ZEUS, DISTRIBUTIONS, SIMULATION, MODEL
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy
UCL > School of Arts and Social Sciences > Faculty of Arts and Humanities
UCL > School of Arts and Social Sciences > Faculty of Arts and Humanities > Philosophy
URI: http://discovery.ucl.ac.uk/id/eprint/374607
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