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Measurement of the t distribution in diffractive photoproduction at HERA

  • J. Breitweg*
  • , M. Derrick
  • , D. Krakauer
  • , S. Magill
  • , D. Mikunas
  • , B. Musgrave
  • , J. Repond
  • , R. Stanek
  • , R. L. Talaga
  • , R. Yoshida
  • , H. Zhang
  • , M. C.K. Mattingly
  • , F. Anselmo
  • , P. Antonioli
  • , G. Bari
  • , M. Basile
  • , L. Bellagamba
  • , D. Boscherini
  • , A. Bruni
  • , G. Bruni
  • G. Cara Romeo, G. Castellini, M. Chiarini, L. Cifarelli, F. Cindolo, A. Contin, M. Corradi, S. de Pasquale, I. Gialas, P. Giusti, G. Iacobucci, G. Laurenti, G. Levi, A. Margotti, T. Massam, R. Nania, C. Nemoz, F. Palmonari, A. Pesci, A. Polini, F. Ricci, G. Sartorelli, Y. Zamora Garcia, A. Zichichi, C. Amelung, A. Bornheim, I. Brock, K. Coböken, J. Crittenden, R. Deffner, M. Eckert, M. Grothe, H. Hartmann, K. Heinloth, L. Heinz, E. Hilger, H. P. Jakob, U. F. Katz, R. Kerger, E. Paul, M. Pfeiffer, Ch Rembser, J. Stamm, R. Wedemeyer, H. Wieber, D. S. Bailey, S. Campbell-Robson, W. N. Cottingham, B. Foster, R. Hall-Wilton, M. E. Hayes, G. P. Heath, H. F. Heath, J. D. McFall, D. Piccioni, D. G. Roff, R. J. Tapper, M. Arneodo, R. Ayad, M. Capua, A. Garfagnini, L. Iannotti, M. Schioppa, G. Susinno, J. Y. Kim, J. H. Lee, I. T. Lim, M. Y. Pac, A. Caldwell, N. Cartiglia, Z. Jing, W. Liu, B. Mellado, J. A. Parsons, S. Ritz, S. Sampson, F. Sciulli, P. B. Straub, Q. Zhu, P. Borzemski, J. Chwastowski, A. Eskreys, J. Figiel, K. Klimek, M. B. Przybycień, L. Zawiejski, L. Adamczyk, B. Bednarek, M. Bukowy, A. Czermak, K. Jeleń, D. Kisielewska, T. Kowalski, E. Rulikowska-Zarebska, L. Suszycki, J. Zajac, Z. Dulinński, A. Kotanński, G. Abbiendi, L. A.T. Bauerdick, U. Behrens, H. Beier, J. K. Bienlein, G. Cases, O. Deppe, K. Desler, G. Drews, U. Fricke, D. J. Gilkinson, C. Glasman, P. Göttlicher, T. Haas, W. Hain, D. Hasell, K. F. Johnson, M. Kasemann, W. Koch, U. Kötz, H. Kowalski, J. Labs, L. Lindemann, B. Löhr, M. Löwe, O. Mańczak, J. Milewski, T. Monteiro, J. S.T. Ng, D. Notz, K. Ohrenberg, I. H. Park, A. Pellegrino, F. Pelucchi, K. Piotrzkowski, M. Roco, M. Rohde, J. Roldán, J. J. Ryan, A. A. Savin, U. Schneekloth, O. Schwarzer, F. Selonke, B. Surrow, E. Tassi, T. Voß, D. Westphal, G. Wolf, U. Wollmer, C. Youngman, A. F. Zarnecki, W. Zeuner, B. D. Burow, H. J. Grabosch, A. Meyer, S. Schlenstedt, G. Barbagli, E. Gallo, P. Pelfer, G. Anzivino, G. Maccarrone, L. Votano, A. Bamberger, S. Eisenhardt, P. Markun, T. Trefzger, S. Wölfle, J. T. Bromley, N. H. Brook, P. J. Bussey, A. T. Doyle, N. Macdonald, D. H. Saxon, L. E. Sinclair, E. Strickland, R. Waugh, I. Bohnet, N. Gendner, U. Holm, A. Meyer-Larsen, H. Salehi, K. Wick, L. K. Gladilin, D. Horstmann, D. Kçira, R. Klanner, E. Lohrmann, G. Poelz, W. Schott, F. Zetsche, T. C. Bacon, I. Butterworth, J. E. Cole, G. Howell, B. H.Y. Hung, L. Lamberti, K. R. Long, D. B. Miller, N. Pavel, A. Prinias, J. K. Sedgbeer, D. Sideris, R. Walker, U. Mallik, S. M. Wang, J. T. Wu, P. Cloth, D. Filges, J. I. Fleck, T. Ishii, M. Kuze, I. Suzuki, K. Tokushuku, S. Yamada, K. Yamauchi, Y. Yamazaki, S. J. Hong, S. B. Lee, S. W. Nam, S. K. Park, F. Barreiro, J. P. Fernandez, G. Garcia, R. Graciani, J. M. Hernandez, L. Hervás, L. Labarga, M. Martinez, J. del Peso, J. Puga, J. Terrán, J. F. de Trocániz, F. Corriveau, D. S. Hanna, J. Hartmann, L. W. Hung, W. N. Murray, A. Ochs, M. Riveline, D. G. Stairs, M. St-Laurent, R. Ullmann, T. Tsurugai, V. Bashkirov, B. A. Dolgoshein, A. Stifutkin, G. L. Bashindzhagyan, P. F. Ermolov, Y. A. Golubkov, L. A. Khein, N. A. Korotkova, I. A. Korzhavina, V. A. Kuzmin, O. Y. Lukina, A. S. Proskuryakov, L. M. Shcheglova, A. N. Solomin, S. A. Zotkin, C. Bokel, M. Botje, N. Brümmer, F. Chlebana, J. Engelen, E. Koffeman, P. Kooijman, A. van Sighem, H. Tiecke, N. Tuning, W. Verkerke, J. Vossebeld, M. Vreeswijk, L. Wiggers, E. de Wolf, D. Acosta, B. Bylsma, L. S. Durkin, J. Gilmore, C. M. Ginsburg, C. L. Kim, T. Y. Ling, P. Nylander, T. A. Romanowski, H. E. Blaikley, R. J. Cashmore, A. M. Cooper-Sarkar, R. C.E. Devenish, J. K. Edmonds, J. Große-Knetter, N. Harnew, C. Nath, V. A. Noyes, A. Quadt, O. Ruske, J. R. Tickner, H. Uijterwaal, R. Walczak, D. S. Waters, A. Bertolin, R. Brugnera, R. Carlin, F. Dal Corso, U. Dosselli, S. Limentani, M. Morandin, M. Posocco, L. Stanco, R. Stroili, C. Voci, J. Bulmahn, B. Y. Oh, J. R. Okrasiński, W. S. Toothacker, J. J. Whitmore, Y. Iga, G. D'Agostini, G. Marini, A. Nigro, M. Raso, J. C. Hart, N. A. McCubbin, T. P. Shah, E. Barberis, D. Epperson, C. Heusch, J. T. Rahn, H. F.W. Sadrozinski, A. Seiden, R. Wichmann, D. C. Williams, H. Abramowicz, G. Briskin, S. Dagan, S. Kananov, A. Levy, T. Abe, T. Fusayasu, M. Inuzuka, K. Nagano, K. Umemori, T. Yamashita, R. Hamatsu, T. Hirose, K. Homma, S. Kitamura, T. Matsushita, R. Cirio, M. Costa, M. I. Ferrero, S. Maselli, V. Monaco, C. Peroni, M. C. Petrucci, M. Ruspa, R. Sacchi, A. Solano, A. Staiano, M. Dardo, D. C. Bailey, C. P. Fagerstroem, R. Galea, G. F. Hartner, K. K. Joo, G. M. Levman, J. F. Martin, R. S. Orr, S. Polenz, A. Sabetfakhri, D. Simmons, R. J. Teuscher, J. M. Butterworth, C. D. Catterall, T. W. Jones, J. B. Lane, R. L. Saunders, M. R. Sutton, M. Wing, J. Ciborowski, G. Grzelak, M. Kasprzak, K. Muchorowski, R. J. Nowak, J. M. Pawlak, R. Pawlak, T. Tymieniecka, A. K. Wrńoblewski, J. A. Zakrzewski, M. Adamus, C. Coldewey, Y. Eisenberg, D. Hochman, U. Karshon, W. F. Badgett, D. Chapin, R. Cross, S. Dasu, C. Foudas, R. J. Loveless, S. Mattingly, D. D. Reeder, W. H. Smith, A. Vaiciulis, M. Wodarczyk, A. Deshpande, S. Dhawan, V. W. Hughes, S. Bhadra, W. R. Frisken, M. Khakzad, W. B. Schmidke
*Corresponding author for this work
  • Argonne National Laboratory
  • Andrews University
  • National Institute for Nuclear Physics
  • IROE Florence
  • University of Salerno
  • University of Crete
  • European Synchrotron Radiation Facility
  • University of Bonn
  • CERN
  • University of Bristol
  • University of Calabria
  • University of Turin
  • Chonnam National University
  • Dongshin University
  • Columbia University
  • German Electron Synchrotron
  • Institute of Nuclear Physics Polish Academy of Sciences
  • AGH University of Krakow
  • Jagiellonian University in Kraków
  • SAP Research
  • Florida State University
  • Alcatel Mobile Communication GmbH
  • Kyungpook National University
  • Fermi National Accelerator Laboratory
  • NORCOM Infosystems
  • University of Oxford
  • University of Florence
  • University of Perugia
  • University of Freiburg
  • Ludwig Maximilian University of Munich
  • University of Glasgow
  • University of Hamburg
  • Imperial College London
  • University of Iowa
  • Jülich Research Centre
  • High Energy Accelerator Research Organization, Institute of Particle and Nuclear Physics
  • The University of Osaka
  • Korea University
  • Wayne State University
  • Universidad Autónoma de Madrid
  • McGill University
  • Meiji Gakuin University
  • Moscow Engineering Physics Institute
  • Lomonosov Moscow State University
  • University of Amsterdam
  • Ohio State University
  • United States Department of Energy
  • University of Padua
  • Pennsylvania State University
  • Polytechnic University Japan
  • University of Rome La Sapienza
  • Rutherford Appleton Laboratory
  • University of California at Santa Cruz
  • Lawrence Berkeley National Laboratory
  • Tel Aviv University
  • The University of Tokyo
  • Tokyo Metropolitan University
  • Tokyo Metropolitan College of Industrial Technology
  • University of Toronto
  • University College London
  • University of Warsaw
  • Institute of Nuclear Chemistry and Technology, Warsaw
  • Weizmann Institute of Science
  • University of Wisconsin-Madison
  • Yale University
  • York University Toronto

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Photon diffractive dissociation, γp → Xp, has been studied at HERA with the ZEUS detector using ep interactions where the virtuality Q2 of the exchanged photon is smaller than 0.02 GeV2. The squared four-momentum t exchanged at the proton vertex was determined in the range 0.073 < \t\ < 0.40 GeV2 by measuring the scattered proton in the ZEUS Leading Proton Spectrometer. In the photonproton centre-of-mass energy interval 176 < W < 225 GeV and for masses of the dissociated photon system 4 < Mx < 32 GeV, the t distribution has an exponential shape, dN/d\t\ ∝ exp (-b\t\), with a slope parameter b = 6.8 ± 0.9 (stat.) +1.2 -1.1 (syst.) GeV-2.

Original languageEnglish
Pages (from-to)237-246
Number of pages10
JournalEuropean Physical Journal C
Volume2
Issue number2
DOIs
StatePublished - 1998

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