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Observation of jet production in deep inelastic scattering with a large rapidity gap at HERA
Journal article   Open access   Peer reviewed

Observation of jet production in deep inelastic scattering with a large rapidity gap at HERA

M. Derrick, D. Krakauer, S. Magill, B. Musgrave, J. Repond, J. Schlereth, R. Stanek, R.L. Talaga, J. Thron, F. Arzarello, …
Physics letters. B, Vol.332(1), pp.228-243
07/14/1994
DOI: 10.1016/0370-2693(94)90883-4
url
https://doi.org/10.1016/0370-2693(94)90883-4View
Published (Version of record) Open Access

Abstract

Events with a large rapidity gap in deep inelastic scattering with Q2 > 10 GeV 2 have been studied in the ZEUS detector. The properties of these events with W > 140 GeV are consistent with a leading twist diffractive production mechanism. In the ~jot > 4 GeV, 15% of the events are of the 1-jet type with negligible 2-jet production. The single jetlaboratory frame, with ~ r - is back-to-back in azimuth with the scattered electron. No energy flow is observed between the jet and the proton direction. With a lower jet transverse energy cut 2-jet production is observed both in the laboratory and the y*p centre-of-mass systems, demonstrating the presence of hard scattering in the virtual photon proton interactions that give rise to large rapidity gap events

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