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Production of exclusive dijets in diffractive deep inelastic scattering at HERA: ZEUS Collaboration

  • H. Abramowicz
  • , I. Abt
  • , L. Adamczyk
  • , M. Adamus
  • , S. Antonelli
  • , V. Aushev
  • , Y. Aushev
  • , O. Behnke
  • , U. Behrens
  • , A. Bertolin
  • , I. Bloch
  • , E. G. Boos
  • , K. Borras
  • , I. Brock
  • , N. H. Brook
  • , R. Brugnera
  • , A. Bruni
  • , P. J. Bussey
  • , A. Caldwell
  • , M. Capua
  • C. D. Catterall, J. Chwastowski, J. Ciborowski, R. Ciesielski, A. M. Cooper-Sarkar, M. Corradi, F. Corriveau, R. K. Dementiev, R. C.E. Devenish, G. Dolinska, S. Dusini, J. Figiel, B. Foster, G. Gach, E. Gallo, A. Garfagnini, A. Geiser, A. Gizhko, L. K. Gladilin, Yu A. Golubkov, J. Grebenyuk, I. Gregor, G. Grzelak, O. Gueta, M. Guzik, W. Hain, D. Hochman, R. Hori, Z. A. Ibrahim, Y. Iga, M. Ishitsuka, A. Iudin, F. Januschek, N. Z. Jomhari, I. Kadenko, S. Kananov, U. Karshon, M. Kaur, P. Kaur, D. Kisielewska, R. Klanner, U. Klein, N. Kondrashova, O. Kononenko, Ie Korol, I. A. Korzhavina, A. Kotański, U. Kötz, N. Kovalchuk, H. Kowalski, B. Krupa, O. Kuprash, M. Kuze, B. B. Levchenko, A. Levy, V. Libov, S. Limentani, M. Lisovyi, E. Lobodzinska, B. Löhr, E. Lohrmann, A. Longhin, D. Lontkovskyi, O. Yu Lukina, I. Makarenko, J. Malka, S. Mergelmeyer, F. Mohamad Idris, N. Mohammad Nasir, V. Myronenko, K. Nagano, T. Nobe, D. Notz, R. J. Nowak, Yu Onishchuk, E. Paul, W. Perlański, N. S. Pokrovskiy, M. Przybycień, P. Roloff, I. Rubinsky, M. Ruspa, D. H. Saxon, M. Schioppa, W. B. Schmidke, U. Schneekloth, T. Schörner-Sadenius, L. M. Shcheglova, R. Shevchenko, O. Shkola, Yu Shyrma, I. Singh, I. O. Skillicorn, W. Słomiński, A. Solano, L. Stanco, N. Stefaniuk, A. Stern, P. Stopa, J. Sztuk-Dambietz, D. Szuba, J. Szuba, E. Tassi, K. Tokushuku, J. Tomaszewska, A. Trofymov, T. Tsurugai, M. Turcato, O. Turkot, T. Tymieniecka, A. Verbytskyi, O. Viazlo, R. Walczak, W. A.T. Wan Abdullah, K. Wichmann, M. Wing*, G. Wolf, S. Yamada, Y. Yamazaki, N. Zakharchuk, A. F. Żarnecki, L. Zawiejski, O. Zenaiev, B. O. Zhautykov, N. Zhmak, D. S. Zotkin
*Corresponding author for this work
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • AGH University of Krakow
  • National Centre for Nuclear Research
  • National Institute for Nuclear Physics
  • NASU - Institute of Nuclear Research
  • Kyiv National Taras Shevchenko University
  • German Electron Synchrotron
  • Ministry of Education and Science of the Republic of Kazakhstan
  • University of Bonn
  • University College London
  • University of Padua
  • University of Glasgow
  • University of Calabria
  • York University Toronto
  • Institute of Nuclear Physics Polish Academy of Sciences
  • University of Warsaw
  • University of Oxford
  • McGill University
  • Lomonosov Moscow State University
  • University of Hamburg
  • Tel Aviv University
  • Weizmann Institute of Science
  • High Energy Accelerator Research Organization, Institute of Particle and Nuclear Physics
  • University of Malaya
  • Polytechnic University Japan
  • Institute of Science Tokyo
  • Panjab University
  • Jagiellonian University in Kraków
  • University of Eastern Piedmont
  • University of Turin
  • Meiji Gakuin University

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Production of exclusive dijets in diffractive deep inelastic e±p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 372 pb-1. The measurement was performed for γ∗–p centre-of-mass energies in the range 90<W<250GeV and for photon virtualities Q2>25GeV2. Energy flows around the jet axis are presented. The cross section is presented as a function of β and ϕ, where β=x/xIP, x is the Bjorken variable and xIP is the proton fractional longitudinal momentum loss. The angle ϕ is defined by the γ∗–dijet plane and the γ∗–e± plane in the rest frame of the diffractive final state. The ϕ cross section is measured in bins of β. The results are compared to predictions from models based on different assumptions about the nature of the diffractive exchange.

Original languageEnglish
Article number16
Pages (from-to)1-18
Number of pages18
JournalEuropean Physical Journal C
Volume76
Issue number1
DOIs
StatePublished - 1 Jan 2016

Funding

FundersFunder number
Science and Technology Facilities CouncilST/N000447/1, ST/K00137X/1

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