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J/ψ production via χc decays in 920 GeV pA interactions

  • I. Abt
  • , A. Abyzov
  • , M. Adams
  • , H. Albrecht
  • , V. Amaral
  • , A. Amorim
  • , S. J. Aplin
  • , A. Arefiev
  • , I. Ariño
  • , M. Atiya
  • , V. Aushev
  • , Y. Bagaturia
  • , R. Baghshetsyan
  • , V. Balagura
  • , M. Bargiotti
  • , S. Barsuk
  • , O. Barsukova
  • , V. Bassetti
  • , J. Bastos
  • , C. Bauer
  • T. S. Bauer, M. Beck, A. Belkov, A. Belkov, I. Belotelov, I. Belyaev, K. Berkhan, A. Bertin, B. Bobchenko, M. Böcker, A. Bogatyrev, G. Bohm, C. Borgmeier, M. Bräuer, D. Broemmelsiek, M. Bruinsma, M. Bruschi, P. Buchholz, M. Buchler, T. Buran, M. Capeáns, M. Capponi, J. Carvalho, J. Chamanina, B. X. Chen, R. Chistov, M. Chmeissani, A. Christensen, P. Conde, C. Cruse, M. Dam, K. M. Danielsen, M. Danilov, S. de Castro, H. Deckers, K. Dehmelt, H. Deppe, B. Dolgoshein, X. Dong, H. B. Dreis, M. Dressel, D. Dujmic, R. Eckmann, V. Egorytchev, K. Ehret, V. Eiges, F. Eisele, D. Emeliyanov, S. Erhan, S. Essenov, L. Fabbri, P. Faccioli, W. Fallot-Burghardt, M. Feuerstack-Raible, J. Flammer, H. Fleckenstein, B. Fominykh, S. Fourletov, T. Fuljahn, M. Funcke, D. Galli, A. Garcia, L. Garrido, D. Gascon, A. Gellrich, K. E.K. Gerndt, B. Giacobbe, J. Gläß, T. Glebe, D. Goloubkov, A. Golutvin, I. Golutvin, I. Gorbounov, A. Gorišek, O. Gouchtchine, D. C. Goulart, S. Gradl, W. Gradl, Y. Guilitsky, T. Hamacher, J. D. Hansen, R. Harr, C. Hast, S. Hausmann, J. M. Hernández, M. Hildebrandt, A. Hölscher, K. Höpfner, W. Hofmann, M. Hohlmann, T. Hott, W. Hulsbergen, U. Husemann, O. Igonkina, M. Ispiryan, S. Issever, H. Itterbeck, J. Ivarsson, T. Jagla, Y. Jia, C. Jiang, A. Kaoukher, H. Kapitza, S. Karabekyan, P. Karchin, N. Karpenko, Z. Ke, S. Keller, F. Khasanov, H. Kim, Y. Kiryushin, I. Kisel, F. Klefenz, K. T. Knöpfle, V. Kochetkov, H. Kolanoski, S. Korpar, C. Krauss, P. Kreuzer, P. Križan, D. Krücker, T. Kvaratskheliia, A. Lange, A. Lanyov, K. Lau, G. Leffers, I. Legrand, B. Lewendel, Y. Q. Liu, T. Lohse, R. Loke, B. Lomonosov, J. Lüdemann, R. Männer, R. Mankel, U. Marconi, S. Masciocchi, I. Massa, I. Matchikhilian, G. Medin, M. Medinnis, M. Mevius, A. Michetti, Y. Mikhailov, R. Miquel, R. Mizuk, A. Mohapatra, A. Moshkin, B. Moshous, R. Muresan, S. Nam, M. Negodaev, I. Négri, M. Nörenberg, S. Nowak, M. T. Núñez Pardo de Vera, T. Oest, A. Oliveira, M. Ouchrif, F. Ould-Saada, C. Padilla, P. Pakhlov, Y. Pavlenko, D. Peralta, R. Pernack, T. Perschke, R. Pestotnik, B. A. Petersen, M. Piccinini, M. A. Pleier, M. Poli, V. Popov, A. Pose, D. Pose, V. Pugatch, Y. Pylypchenko, J. Pyrlik, S. Ramachandran, F. Ratnikov, K. Reeves, D. Reßing, K. Riechmann, J. Rieling, M. Rietz, I. Riu, P. Robmann, J. Rosen, C. Rothe, W. Ruckstuhl, V. Rusinov, V. Rybnikov, D. Ryzhikov, F. Saadi-Lüdemann, D. Samtleben, F. Sánchez, M. Sang, V. Saveliev, A. Sbrizzi, S. Schaller, P. Schlein, M. Schmelling, B. Schmidt, S. Schmidt, W. Schmidt-Parzefall, A. Schreiner, H. Schröder, H. D. Schultz, U. Schwanke, A. J. Schwartz, A. S. Schwarz, B. Schwenninger, B. Schwingenheuer, R. Schwitters, F. Sciacca, S. Semenov, N. Semprini-Cesari, E. Sexauer, L. Seybold, J. Shiu, S. Shuvalov, I. Siccama, D. Škrk, L. Sözüer, A. Soldatov, S. Solunin, A. Somov, S. Somov, V. Souvorov, M. Spahn, J. Spengler, R. Spighi, A. Spiridonov, S. Spratte, A. Stanovnik, M. Starič, R. StDenis, C. Stegmann, S. Steinbeck, O. Steinkamp, D. Stieler, U. Straumann, F. Sun, H. Sun, M. Symalla, S. Takach, N. Tesch, H. Thurn, I. Tikhomirov, M. Titov, U. Trunk, P. Truöl, I. Tsakov, U. Uwer, V. Vagnoni, C. van Eldik, R. van Staa, Y. Vassiliev, M. Villa, A. Vitale, I. Vukotic, G. Wagner, W. Wagner, H. Wahlberg, A. H. Walenta, M. Walter, T. Walter, J. J. Wang, Y. M. Wang, R. Wanke, D. Wegener, U. Werthenbach, P. J. Weyers, H. Wolters, R. Wurth, A. Wurz, S. Xella-Hansen, J. Yang, Y. Zaitsev, M. Zavertyaev, G. Zech, T. Zeuner, A. Zhelezov, Z. Zheng, Z. Zhu, R. Zimmermann, T. Živko, A. Zoccoli, J. Zweizig
  • Max-Planck-Institut für Physik
  • Joint Institute for Nuclear Research, Dubna
  • University of Dortmund
  • c/o DESY
  • LIPCoimbra and Lisboa
  • Institute for Theoretical and Experimental Physics
  • University of Barcelona
  • Brookhaven National Laboratory
  • Institute of Nuclear Research, National Academy of Sciences in Ukraine
  • High Energy Physics Institute
  • Yerevan Physics Institute
  • University of Bologna
  • Northwestern University
  • Max-Planck-Institut für Kernphysik
  • Universiteit Utrecht
  • Science Park 105
  • Universität Rostock
  • DESYZeuthen
  • Universität Siegen
  • Humboldt-Universität zu Berlin
  • Wayne State University
  • University of Oslo
  • National Research Nuclear University MEPhI
  • Tsinghua University
  • Niels Bohr Institutet
  • University of Heidelberg
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • The University of Texas at Austin
  • University of California, Los Angeles
  • University of Mannheim
  • Department of Biochemistry and Molecular and Structural Biology
  • University of Cincinnati
  • Kurchatov Institute
  • University of Houston
  • Lund University
  • University of Maribor
  • University of Ljubljana
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Universität Hamburg
  • University of Florence
  • Physik-Institut der Universität Zürich
  • Institute of Nuclear Power Engineering
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ's produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We obtained Rχc, = 0.32 ± 0.06stat ± 0.04sys for the fraction of J/ψ from χc decays averaged over proton-carbon and proton-titanium collisions. This result is in agreement with previous measurements and is compared with theoretical predictions.

Original languageEnglish
Pages (from-to)61-72
Number of pages12
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume561
Issue number1-2
DOIs
Publication statusPublished - 22 May 2003
Externally publishedYes

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