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Multiplicity moments in deep inelastic scattering at HERA

Name: Multiplicity moments in deep inelastic scattering at HERA
Keywords: HIGH-ENERGY, MONTE-CARLO GENERATOR, PHASE-SPACE BINS, approx. 300 GeV-cms, momentum dependence, FOS: Physical sciences, transverse momentum dependence, 530, hadron: electroproduction, STRANGE ATTRACTORS

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jun 2001Embargo end date: 01 Jan 2001 Netherlands, United Kingdom, United Kingdom, Italy, United Kingdom, Germany, Italy, Italy, Italy Publisher:Elsevier BVJournal:Physics Letters B, volume 510, pages 36-54 (issn: 0370-2693,

Authors: Bailey, David; Chekanov, S.; Derrick, M.; Krakauer, D.; Magill, S.; Musgrave, B.; Pellegrino, A.; +193 Authors

Bailey, David; Chekanov, S.; Derrick, M.; Krakauer, D.; Magill, S.; Musgrave, B.; Pellegrino, A.; Repond, J.; Stanek, R.; Yoshida, R.; Mattingly, M. C K; Antonioli, P.; Bari, G.; Basile, M.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Cara Romeo, G.; Cifarelli, L.; Cindolo, F.; Contin, A.; Corradi, M.; de Pasquale, S.; Giusti, P.; Iacobucci, G.; Levi, G.; Margotti, A.; Massam, T.; Nania, R.; Palmonari, F.; Pesci, A.; Sartorelli, G.; Zichichi, A.; Aghuzumtsyan, G.; Brock, I.; Goers, S.; Hartmann, H.; Hilger, E.; Irrgang, P.; Jakob, H. P.; Kappes, A.; Katz, U. F.; Kerger, R.; Kind, O.; Paul, E.; Rautenberg, J.; Schnurbusch, H.; Stifutkin, A.; Tandler, J.; Voss, K. C.; Weber, A.; Wieber, H.; Bailey, D. S.; Brook, N. H.; Cole, J. E.; Foster, B.; Heath, G. P.; Heath, H. F.; Robins, S.; Rodrigues, E.; Scott, J.; Tapper, R. J.; Wing, M.; Capua, M.; Mastroberardino, A.; Schioppa, M.; Susinno, G.; Jeoung, H. Y.; Kim, J. Y.; Lee, J. H.; Lim, I. T.; Ma, K. J.; Pac, M. Y.; Caldwell, A.; Helbich, M.; Liu, W.; Liu, X.; Mellado, B.; Paganis, S.; Sampson, S.; Schmidke, W. B.; Sciulli, F.; Chwastowski, J.; Eskreys, A.; Figiel, J.; Klimek, K.; Olkiewicz, K.; Przybycien, M. B.; Stopa, P.; Zawiejski, L.; Bednarek, B.; Jeleń, K.; Kisielewska, D.; Kowal, A. M.; Kowal, M.; Kowalski, T.; Mindur, B.; Przybycień, M.; Rulikowska-Zarebska, E.; Suszycki, L.; Szuba, D.; Kotański, A.; Bauerdick, L. A T; Behrens, U.; Borras, K.; Chiochia, V.; Crittenden, J.; Dannheim, D.; Desler, K.; Drews, G.; Fox-Murphy, A.; Fricke, U.; Geiser, A.; Goebel, F.; Göttlicher, P.; Graciani, R.; Haas, T.; Hain, W.; Hartner, G. F.; Hebbel, K.; Hillert, S.; Koch, W.; Kötz, U.; Kowalski, H.; Labes, H.; Löhr, B.; Mankel, R.; Martens, J.; Martínez, M.; Milite, M.; Moritz, M.; Notz, D.; Petrucci, M. C.; Polini, A.; Savin, A. A.; Schneekloth, U.; Selonke, F.; Stonjek, S.; Wolf, G.; Wollmer, U.; Whitmore, J. J.; Wichmann, R.; Youngman, C.; Zeuner, W.; Coldewey, C.; Lopez-Duran Viani, A.; Meyer, A.; Schlenstedt, S.; Barbagli, G.; Gallo, E.; Pelfer, P. G.; Bamberger, A.; Benen, A.; Coppola, N.; Markun, P.; Raach, H.; Wölfle, S.; Bell, M.; Bussey, P. J.; Doyle, A. T.; Glasman, C.; Lee, S. W.; Lupi, A.; McCance, G. J.; Saxon, D. H.; Skillicorn, I. O.; Bodmann, B.; Gendner, N.; Holm, U.; Salehi, H.; Wick, K.; Yildirim, A.; Ziegler, A.; Carli, T.; Garfagnini, A.; Gialas, I.; Lohrmann, E.; Foudas, C.; Gonçalo, R.; Long, K. R.; Metlica, F.; Miller, D. B.; Tapper, A. D.; Walker, R.; Cloth, P.; Filges, D.; Ishii, T.; Kuze, M.; Nagano, K.; Tokushuku, K.; Yamada, S.; Yamazaki, Y.; Barakbaev, A. N.; Boos, E. G.; Pokrovskiy, N. S.; Zhautykov, B. O.; Ahn, S. H.; Lee, S. B.; Park, S. K.;

doi: 10.1016/s0370-2693(01)00583-4 , 10.48550/arxiv.hep-ex/0104036

arXiv: http://arxiv.org/abs/hep-ex/0104036

handle: 11245/1.188244 , 20.500.11770/126940 , 11577/2482760 , 11573/496769 , 2318/110324

Multiplicity moments in deep inelastic scattering at HERA

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Abstract

Multiplicity moments of charged particles in deep inelastic E+P scattering have been measured with the ZEUS detector at HERA using an integrated luminosity of 38.4 pb^{-1}$. The moments for Q^2 > 1000 GeV^2 were studied in the current region of the Breit frame. The evolution of the moments was investigated as a function of restricted regions in polar angle and, for the first time, both in the transverse momentum and in absolute momentum of final-state particles. Analytic perturbative QCD predictions in conjunction with the hypothesis of Local Parton-Hadron Duality (LPHD) reproduce the trends of the moments in polar-angle regions, although some discrepancies are observed. For the moments restricted either in transverse or absolute momentum, the analytic results combined with the LPHD hypothesis show considerable deviations from the measurements. The study indicates a large influence of the hadronisation stage on the multiplicity distributions in the restricted phase-space regions studied here, which is inconsistent with the expectations of the LPHD hypothesis.

19 pages, 6 eps figures, submitted to Phys. Lett. B

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Netherlands, United Kingdom, United Kingdom, Italy, United Kingdom, Germany, Italy, Italy, Italy

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Helmholtz Association of German Research Centres
Germany
University of Padua
Italy
University of Oxford
United Kingdom
University of Amsterdam
Netherlands
Deutsches Elektronen-Synchrotron DESY
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Keywords

HIGH-ENERGY, MONTE-CARLO GENERATOR, PHASE-SPACE BINS, approx. 300 GeV-cms, momentum dependence, FOS: Physical sciences, transverse momentum dependence, 530, hadron: electroproduction, STRANGE ATTRACTORS, High Energy Physics - Experiment, QCD JETS, charged particle: multiplicity, HADRON SPECTRA, High Energy Physics - Experiment (hep-ex), EVENT GENERATOR, GENERALIZED DIMENSIONS, quantum chromodynamics: perturbation theory, info:eu-repo/classification/ddc/530, QC, Research Groups and Centres\Physics\Low Temperature Physics, Faculty of Science\Physics, positron p: deep inelastic scattering, ZEUS, ZEUS; MONTE-CARLO GENERATOR; PHASE-SPACE BINS; QCD JETS; HIGH-ENERGY; MULTIPARTON CORRELATIONS; GENERALIZED DIMENSIONS; PARTON DISTRIBUTIONS; STRANGE ATTRACTORS; EVENT GENERATOR; HADRON SPECTRA, multiplicity: moment, effect: hadronization, positron p: colliding beams, angular dependence, DESY HERA Stor, PARTON DISTRIBUTIONS, duality: parton hadron, MULTIPARTON CORRELATIONS, experimental results

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