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Measurement of D production in diffractive deep inelastic scattering at HERA

  • V. Andreev
  • , A. Baghdasaryan
  • , K. Begzsuren
  • , A. Belousov
  • , A. Bolz
  • , V. Boudry
  • , G. Brandt
  • , V. Brisson
  • , D. Britzger
  • , A. Buniatyan
  • , A. Bylinkin
  • , L. Bystritskaya
  • , A. J. Campbell
  • , K. B.Cantun Avila
  • , K. Cerny
  • , V. Chekelian
  • , J. G. Contreras
  • , J. Cvach
  • , J. B. Dainton
  • , K. Daum
  • C. Diaconu, M. Dobre, V. Dodonov, G. Eckerlin, S. Egli, E. Elsen, L. Favart, A. Fedotov, J. Feltesse, J. Ferencei, M. Fleischer, A. Fomenko, E. Gabathuler, J. Gayler, S. Ghazaryan, L. Goerlich, N. Gogitidze, M. Gouzevitch, C. Grab, A. Grebenyuk, T. Greenshaw, G. Grindhammer, D. Haidt, R. C.W. Henderson, J. Hladký, D. Hoffmann, R. Horisberger, T. Hreus, F. Huber, M. Jacquet, M. Jansová, X. Janssen, A. Jung, H. Jung, M. Kapichine, J. Katzy, C. Kiesling, M. Klein, C. Kleinwort, R. Kogler, P. Kostka, J. Kretzschmar, D. Krücker, K. Krüger, M. P.J. Landon, W. Lange, P. Laycock, A. Lebedev, S. Levonian, K. Lipka, B. List, J. List, B. Lobodzinski, E. Malinovski, H. U. Martyn, S. J. Maxfield, A. Mehta, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, A. Morozov, K. Müller, Th Naumann, P. R. Newman, C. Niebuhr, G. Nowak, J. E. Olsson, D. Ozerov, C. Pascaud, G. D. Patel, E. Perez, A. Petrukhin, I. Picuric, H. Pirumov, D. Pitzl, R. Plačakytė, R. Polifka, V. Radescu, N. Raicevic, T. Ravdandorj, P. Reimer, E. Rizvi, P. Robmann, R. Roosen, A. Rostovtsev, M. Rotaru, D. Šálek, D. P.C. Sankey, M. Sauter, E. Sauvan, S. Schmitt, L. Schoeffel, A. Schöning, F. Sefkow, S. Shushkevich, Y. Soloviev, P. Sopicki, D. South, V. Spaskov, A. Specka, M. Steder, B. Stella, U. Straumann, T. Sykora, P. D. Thompson, D. Traynor, P. Truöl, I. Tsakov, B. Tseepeldorj, A. Valkárová, C. Vallée, P. Van Mechelen, Y. Vazdik, D. Wegener, E. Wünsch, J. Žáček, Z. Zhang, R. Žlebčík, H. Zohrabyan, F. Zomer
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Yerevan Physics Institute
  • Institute of Physics and Technology of the Mongolian Academy of Sciences
  • University of Heidelberg
  • Georg-August-Universität Göttingen
  • Laboratoire de l'Accélérateur Linéaire
  • c/o DESY
  • University of Birmingham
  • Moscow Institute of Physics and Technology
  • Institute for Theoretical and Experimental Physics
  • Dept. Fis. Ap. CINVESTAV
  • Charles University
  • Max-Planck-Institut für Physik
  • Institute of Physics of the Czech Academy of Sciences
  • University of Liverpool
  • Bergische Universität Gesamthochschule Wuppertal
  • Aix Marseille Université
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • Paul Scherrer Institut
  • Inter-University Institute for High Energies ULB-VUB
  • Universite Paris-Saclay
  • Nuclear Physics Institute ASCR
  • Institute for Nuclear Physics
  • IGFL, Université de Lyon, Université Lyon 1
  • ETH Zurich
  • Lancaster University
  • Joint Institute for Nuclear Research, Dubna
  • Universität Hamburg
  • Queen Mary University of London
  • RWTH Aachen University
  • Physik-Institut der Universität Zürich
  • European Organization for Nuclear Research
  • University of Montenegro
  • University of Toronto
  • University of Oxford
  • Institute for Information Transmission Problems (RAS)
  • CCLRC Rutherford Appleton Laboratory
  • Université Savoie Mont Blanc
  • Moscow State University
  • University Roma Tre
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
  • Ulaanbaatar University
  • University of Dortmund

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

7 Citations (Scopus)

Résumé

Measurements of D(2010) meson production in diffractive deep inelastic scattering (5<Q2<100GeV2) are presented which are based on HERA data recorded at a centre-of-mass energy s=319GeV with an integrated luminosity of 287 pb- 1. The reaction ep→ eXY is studied, where the system X, containing at least one D(2010) meson, is separated from a leading low-mass proton dissociative system Y by a large rapidity gap. The kinematics of D candidates are reconstructed in the D→ Kππ decay channel. The measured cross sections compare favourably with next-to-leading order QCD predictions, where charm quarks are produced via boson-gluon fusion. The charm quarks are then independently fragmented to the D mesons. The calculations rely on the collinear factorisation theorem and are based on diffractive parton densities previously obtained by H1 from fits to inclusive diffractive cross sections. The data are further used to determine the diffractive to inclusive D production ratio in deep inelastic scattering.

langue originaleAnglais
Numéro d'article340
journalEuropean Physical Journal C
Volume77
Numéro de publication5
Les DOIs
étatPublié - 1 mai 2017

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