Elastic J/ψ production at HERA

A. Aktas, V. Andreev, T. Anthonis, B. Antunovic, S. Aplin, A. Asmone, A. Astvatsatourov, A. Babaev, S. Backovic, J. Bähr, A. Baghdasaryan, P. Baranov, E. Barrelet, W. Bartel, S. Baudrand, S. Baumgartner, J. Becker, M. Beckingham, O. Behnke, O. BehrendtA. Belousov, C. Berger, N. Berger, J. C. Bizot, M. O. Boenig, V. Boudry, J. Bracinik, G. Brandt, V. Brisson, D. Bruncko, F. W. Büsser, A. Bunyatyan, G. Buschhorn, L. Bystritskaya, A. J. Campbell, S. Caron, F. Cassol-Brunner, K. Cerny, V. Cerny, V. Chekelian, J. G. Contreras, J. A. Coughlan, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daum, Y. de Boer, B. Delcourt, M. Del Degan, A. de Roeck, K. Desch, E. A. de Wolf, C. Diaconu, V. Dodonov, A. Dubak, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, M. Ellerbrock, E. Elsen, W. Erdmann, S. Essenov, A. Falkewicz, P. J W Faulkner, L. Favart, A. Fedotov, R. Felst, J. Ferencei, L. Finke, M. Fleischer, P. Fleischmann, G. Flucke, A. Fomenko, I. Foresti, G. Franke, T. Frisson, E. Gabathuler, E. Garutti, J. Gayler, C. Gerlich, S. Ghazaryan, S. Ginzburgskaya, A. Glazov, I. Glushkov, L. Goerlich, M. Goettlich, N. Gogitidze, S. Gorbounov, C. Goyon, C. Grab, T. Greenshaw, M. Gregori, B. R. Grell, G. Grindhammer, C. Gwilliam, D. Haidt, L. Hajduk, M. Hansson, G. Heinzelmann, R. C W Henderson, H. Henschel, O. Henshaw, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, A. Hovhannisyan, T. Hreus, S. Hussain, M. Ibbotson, M. Ismail, M. Jacquet, L. Janauschek, X. Janssen, V. Jemanov, L. Jönsson, D. P. Johnson, A. W. Jung, H. Jung, M. Kapichine, J. Katzy, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Klimkovich, T. Kluge, G. Knies, A. Knutsson, V. Korbel, P. Kostka, K. Krastev, J. Kretzschmar, A. Kropivnitskaya, K. Krüger, J. Kückens, M. P J Landon, W. Lange, T. Laštovička, G. Laštovička-Medin, P. Laycock, A. Lebedev, G. Leibenguth, V. Lendermann, S. Levonian, L. Lindfeld, K. Lipka, A. Liptaj, B. List, J. List, E. Lobodzinska, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, A. I. Lucaci-Timoce, H. Lueders, D. Lüke, T. Lux, L. Lytkin, A. Makankine, N. Malden, E. Malinovski, S. Mangano, P. Marage, R. Marshall, M. Martisikova, H. U. Martyn, S. J. Maxfield, D. Meer, A. Mehta, K. Meier, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, I. Milcewicz-Mika, D. Milstead, D. Mladenov, A. Mohamed, F. Moreau, A. Morozov, J. V. Morris, M. U. Mozer, K. Müller, P. Murín, K. Nankov, B. Naroska, T. Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, D. Nikitin, G. Nowak, M. Nozicka, R. Oganezov, B. Olivier, J. E. Olsson, S. Osman, D. Ozerov, V. Palichik, I. Panagoulias, T. Papadopoulou, C. Pascaud, G. D. Patel, M. Peez, E. Perez, Daniel Astudillo, A. Perieanu, A. Petrukhin, D. Pitzl, R. Plačakyte, B. Portheault, B. Povh, P. Prideaux, A. J. Rahmat, N. Raicevic, P. Reimer, A. Rimmer, C. Risler, E. Rizvi, P. Robmann, B. Roland, R. Roosen, A. Rostovtsev, Z. Rurikova, S. Rusakov, F. Salvaire, D. P C Sankey, E. Sauvan, S. Schätzel, F. P. Schilling, D. Schmidt, S. Schmidt, S. Schmitt, C. Schmitz, L. Schoeffel, A. Schöning, H. C. Schultz-Coulon, K. Sedlák, F. Sefkow, R. N. Shaw-West, I. Sheviakov, L. N. Shtarkov, T. Sloan, P. Smirnov, Y. Soloviev, D. South, V. Spaskov, A. Specka, B. Stella, J. Stiewe, I. Strauch, U. Straumann, V. Tchoulakov, G. Thompson, P. D. Thompson, F. Tomasz, D. Traynor, P. Truöl, I. Tsakov, G. Tsipolitis, I. Tsurin, J. Turnau, E. Tzamariudaki, M. Urban, A. Usik, D. Utkin, A. Valkárová, C. Vallée, P. van Mechelen, A. Vargas Trevino, Y. Vazdik, C. Veelken, A. Vest, S. Vinokurova, V. Volchinski, K. Wacker, J. Wagner, G. Weber, R. Weber, D. Wegener, C. Werner, M. Wessels, B. Wessling, C. Wigmore, C. Wissing, R. Wolf, E. Wünsch, S. Xella, W. Yan, V. Yeganov, J. Žáček, J. Zálešák, Z. Zhang, A. Zhelezov, A. Zhokin, Y. C. Zhu, J. Zimmermann, T. Zimmermann, H. Zohrabyan, F. Zomer

Research output: Contribution to journalArticle

211 Citations (Scopus)

Abstract

Cross sections for elastic production of J/φ mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb-1. Results are presented for photon virtualities Q2 up to 80 GeV2. The dependence on the photon-proton centre of mass energy Wγp is analysed in the range 40 ≤ Wγp ≤ 305 GeV in photoproduction and 40 ≤ Wγp ≤ 160 GeV in electroproduction. The Wγp dependences of the cross sections do not change significantly with Q 2 and can be described by models based on perturbative QCD. Within such models, the data show a high sensitivity to the gluon density of the proton in the domain of low Bjorken x and low Q2. Differential cross sections dσ/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range |t| < 1.2 GeV2 as functions of Wγp and Q2. Effective Pomeron trajectories are determined for photoproduction and electroproduction. The J/φ production and decay angular distributions are consistent with s-channel helicity conservation. The ratio of the cross sections for longitudinally and transversely polarised photons is measured as a function of Q2 and is found to be described by perturbative QCD based models.

Original languageEnglish
Pages (from-to)585-603
Number of pages19
JournalEuropean Physical Journal C
Volume46
Issue number3
DOIs
Publication statusPublished - 1 Jun 2006
Externally publishedYes

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Protons
photoproduction
protons
Photons
cross sections
photons
quantum chromodynamics
Momentum transfer
Angular distribution
momentum transfer
center of mass
conservation
Luminance
Conservation
apexes
angular distribution
mesons
luminosity
Trajectories
trajectories

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ... Zomer, F. (2006). Elastic J/ψ production at HERA. European Physical Journal C, 46(3), 585-603. https://doi.org/10.1140/epjc/s2006-02519-5

Elastic J/ψ production at HERA. / Aktas, A.; Andreev, V.; Anthonis, T.; Antunovic, B.; Aplin, S.; Asmone, A.; Astvatsatourov, A.; Babaev, A.; Backovic, S.; Bähr, J.; Baghdasaryan, A.; Baranov, P.; Barrelet, E.; Bartel, W.; Baudrand, S.; Baumgartner, S.; Becker, J.; Beckingham, M.; Behnke, O.; Behrendt, O.; Belousov, A.; Berger, C.; Berger, N.; Bizot, J. C.; Boenig, M. O.; Boudry, V.; Bracinik, J.; Brandt, G.; Brisson, V.; Bruncko, D.; Büsser, F. W.; Bunyatyan, A.; Buschhorn, G.; Bystritskaya, L.; Campbell, A. J.; Caron, S.; Cassol-Brunner, F.; Cerny, K.; Cerny, V.; Chekelian, V.; Contreras, J. G.; Coughlan, J. A.; Cox, B. E.; Cozzika, G.; Cvach, J.; Dainton, J. B.; Dau, W. D.; Daum, K.; de Boer, Y.; Delcourt, B.; Del Degan, M.; de Roeck, A.; Desch, K.; de Wolf, E. A.; Diaconu, C.; Dodonov, V.; Dubak, A.; Eckerlin, G.; Efremenko, V.; Egli, S.; Eichler, R.; Eisele, F.; Ellerbrock, M.; Elsen, E.; Erdmann, W.; Essenov, S.; Falkewicz, A.; Faulkner, P. J W; Favart, L.; Fedotov, A.; Felst, R.; Ferencei, J.; Finke, L.; Fleischer, M.; Fleischmann, P.; Flucke, G.; Fomenko, A.; Foresti, I.; Franke, G.; Frisson, T.; Gabathuler, E.; Garutti, E.; Gayler, J.; Gerlich, C.; Ghazaryan, S.; Ginzburgskaya, S.; Glazov, A.; Glushkov, I.; Goerlich, L.; Goettlich, M.; Gogitidze, N.; Gorbounov, S.; Goyon, C.; Grab, C.; Greenshaw, T.; Gregori, M.; Grell, B. R.; Grindhammer, G.; Gwilliam, C.; Haidt, D.; Hajduk, L.; Hansson, M.; Heinzelmann, G.; Henderson, R. C W; Henschel, H.; Henshaw, O.; Herrera, G.; Hildebrandt, M.; Hiller, K. H.; Hoffmann, D.; Horisberger, R.; Hovhannisyan, A.; Hreus, T.; Hussain, S.; Ibbotson, M.; Ismail, M.; Jacquet, M.; Janauschek, L.; Janssen, X.; Jemanov, V.; Jönsson, L.; Johnson, D. P.; Jung, A. W.; Jung, H.; Kapichine, M.; Katzy, J.; Kenyon, I. R.; Kiesling, C.; Klein, M.; Kleinwort, C.; Klimkovich, T.; Kluge, T.; Knies, G.; Knutsson, A.; Korbel, V.; Kostka, P.; Krastev, K.; Kretzschmar, J.; Kropivnitskaya, A.; Krüger, K.; Kückens, J.; Landon, M. P J; Lange, W.; Laštovička, T.; Laštovička-Medin, G.; Laycock, P.; Lebedev, A.; Leibenguth, G.; Lendermann, V.; Levonian, S.; Lindfeld, L.; Lipka, K.; Liptaj, A.; List, B.; List, J.; Lobodzinska, E.; Loktionova, N.; Lopez-Fernandez, R.; Lubimov, V.; Lucaci-Timoce, A. I.; Lueders, H.; Lüke, D.; Lux, T.; Lytkin, L.; Makankine, A.; Malden, N.; Malinovski, E.; Mangano, S.; Marage, P.; Marshall, R.; Martisikova, M.; Martyn, H. U.; Maxfield, S. J.; Meer, D.; Mehta, A.; Meier, K.; Meyer, A. B.; Meyer, H.; Meyer, J.; Mikocki, S.; Milcewicz-Mika, I.; Milstead, D.; Mladenov, D.; Mohamed, A.; Moreau, F.; Morozov, A.; Morris, J. V.; Mozer, M. U.; Müller, K.; Murín, P.; Nankov, K.; Naroska, B.; Naumann, T.; Newman, P. R.; Niebuhr, C.; Nikiforov, A.; Nikitin, D.; Nowak, G.; Nozicka, M.; Oganezov, R.; Olivier, B.; Olsson, J. E.; Osman, S.; Ozerov, D.; Palichik, V.; Panagoulias, I.; Papadopoulou, T.; Pascaud, C.; Patel, G. D.; Peez, M.; Perez, E.; Astudillo, Daniel; Perieanu, A.; Petrukhin, A.; Pitzl, D.; Plačakyte, R.; Portheault, B.; Povh, B.; Prideaux, P.; Rahmat, A. J.; Raicevic, N.; Reimer, P.; Rimmer, A.; Risler, C.; Rizvi, E.; Robmann, P.; Roland, B.; Roosen, R.; Rostovtsev, A.; Rurikova, Z.; Rusakov, S.; Salvaire, F.; Sankey, D. P C; Sauvan, E.; Schätzel, S.; Schilling, F. P.; Schmidt, D.; Schmidt, S.; Schmitt, S.; Schmitz, C.; Schoeffel, L.; Schöning, A.; Schultz-Coulon, H. C.; Sedlák, K.; Sefkow, F.; Shaw-West, R. N.; Sheviakov, I.; Shtarkov, L. N.; Sloan, T.; Smirnov, P.; Soloviev, Y.; South, D.; Spaskov, V.; Specka, A.; Stella, B.; Stiewe, J.; Strauch, I.; Straumann, U.; Tchoulakov, V.; Thompson, G.; Thompson, P. D.; Tomasz, F.; Traynor, D.; Truöl, P.; Tsakov, I.; Tsipolitis, G.; Tsurin, I.; Turnau, J.; Tzamariudaki, E.; Urban, M.; Usik, A.; Utkin, D.; Valkárová, A.; Vallée, C.; van Mechelen, P.; Vargas Trevino, A.; Vazdik, Y.; Veelken, C.; Vest, A.; Vinokurova, S.; Volchinski, V.; Wacker, K.; Wagner, J.; Weber, G.; Weber, R.; Wegener, D.; Werner, C.; Wessels, M.; Wessling, B.; Wigmore, C.; Wissing, C.; Wolf, R.; Wünsch, E.; Xella, S.; Yan, W.; Yeganov, V.; Žáček, J.; Zálešák, J.; Zhang, Z.; Zhelezov, A.; Zhokin, A.; Zhu, Y. C.; Zimmermann, J.; Zimmermann, T.; Zohrabyan, H.; Zomer, F.

In: European Physical Journal C, Vol. 46, No. 3, 01.06.2006, p. 585-603.

Research output: Contribution to journalArticle

Aktas, A, Andreev, V, Anthonis, T, Antunovic, B, Aplin, S, Asmone, A, Astvatsatourov, A, Babaev, A, Backovic, S, Bähr, J, Baghdasaryan, A, Baranov, P, Barrelet, E, Bartel, W, Baudrand, S, Baumgartner, S, Becker, J, Beckingham, M, Behnke, O, Behrendt, O, Belousov, A, Berger, C, Berger, N, Bizot, JC, Boenig, MO, Boudry, V, Bracinik, J, Brandt, G, Brisson, V, Bruncko, D, Büsser, FW, Bunyatyan, A, Buschhorn, G, Bystritskaya, L, Campbell, AJ, Caron, S, Cassol-Brunner, F, Cerny, K, Cerny, V, Chekelian, V, Contreras, JG, Coughlan, JA, Cox, BE, Cozzika, G, Cvach, J, Dainton, JB, Dau, WD, Daum, K, de Boer, Y, Delcourt, B, Del Degan, M, de Roeck, A, Desch, K, de Wolf, EA, Diaconu, C, Dodonov, V, Dubak, A, Eckerlin, G, Efremenko, V, Egli, S, Eichler, R, Eisele, F, Ellerbrock, M, Elsen, E, Erdmann, W, Essenov, S, Falkewicz, A, Faulkner, PJW, Favart, L, Fedotov, A, Felst, R, Ferencei, J, Finke, L, Fleischer, M, Fleischmann, P, Flucke, G, Fomenko, A, Foresti, I, Franke, G, Frisson, T, Gabathuler, E, Garutti, E, Gayler, J, Gerlich, C, Ghazaryan, S, Ginzburgskaya, S, Glazov, A, Glushkov, I, Goerlich, L, Goettlich, M, Gogitidze, N, Gorbounov, S, Goyon, C, Grab, C, Greenshaw, T, Gregori, M, Grell, BR, Grindhammer, G, Gwilliam, C, Haidt, D, Hajduk, L, Hansson, M, Heinzelmann, G, Henderson, RCW, Henschel, H, Henshaw, O, Herrera, G, Hildebrandt, M, Hiller, KH, Hoffmann, D, Horisberger, R, Hovhannisyan, A, Hreus, T, Hussain, S, Ibbotson, M, Ismail, M, Jacquet, M, Janauschek, L, Janssen, X, Jemanov, V, Jönsson, L, Johnson, DP, Jung, AW, Jung, H, Kapichine, M, Katzy, J, Kenyon, IR, Kiesling, C, Klein, M, Kleinwort, C, Klimkovich, T, Kluge, T, Knies, G, Knutsson, A, Korbel, V, Kostka, P, Krastev, K, Kretzschmar, J, Kropivnitskaya, A, Krüger, K, Kückens, J, Landon, MPJ, Lange, W, Laštovička, T, Laštovička-Medin, G, Laycock, P, Lebedev, A, Leibenguth, G, Lendermann, V, Levonian, S, Lindfeld, L, Lipka, K, Liptaj, A, List, B, List, J, Lobodzinska, E, Loktionova, N, Lopez-Fernandez, R, Lubimov, V, Lucaci-Timoce, AI, Lueders, H, Lüke, D, Lux, T, Lytkin, L, Makankine, A, Malden, N, Malinovski, E, Mangano, S, Marage, P, Marshall, R, Martisikova, M, Martyn, HU, Maxfield, SJ, Meer, D, Mehta, A, Meier, K, Meyer, AB, Meyer, H, Meyer, J, Mikocki, S, Milcewicz-Mika, I, Milstead, D, Mladenov, D, Mohamed, A, Moreau, F, Morozov, A, Morris, JV, Mozer, MU, Müller, K, Murín, P, Nankov, K, Naroska, B, Naumann, T, Newman, PR, Niebuhr, C, Nikiforov, A, Nikitin, D, Nowak, G, Nozicka, M, Oganezov, R, Olivier, B, Olsson, JE, Osman, S, Ozerov, D, Palichik, V, Panagoulias, I, Papadopoulou, T, Pascaud, C, Patel, GD, Peez, M, Perez, E, Astudillo, D, Perieanu, A, Petrukhin, A, Pitzl, D, Plačakyte, R, Portheault, B, Povh, B, Prideaux, P, Rahmat, AJ, Raicevic, N, Reimer, P, Rimmer, A, Risler, C, Rizvi, E, Robmann, P, Roland, B, Roosen, R, Rostovtsev, A, Rurikova, Z, Rusakov, S, Salvaire, F, Sankey, DPC, Sauvan, E, Schätzel, S, Schilling, FP, Schmidt, D, Schmidt, S, Schmitt, S, Schmitz, C, Schoeffel, L, Schöning, A, Schultz-Coulon, HC, Sedlák, K, Sefkow, F, Shaw-West, RN, Sheviakov, I, Shtarkov, LN, Sloan, T, Smirnov, P, Soloviev, Y, South, D, Spaskov, V, Specka, A, Stella, B, Stiewe, J, Strauch, I, Straumann, U, Tchoulakov, V, Thompson, G, Thompson, PD, Tomasz, F, Traynor, D, Truöl, P, Tsakov, I, Tsipolitis, G, Tsurin, I, Turnau, J, Tzamariudaki, E, Urban, M, Usik, A, Utkin, D, Valkárová, A, Vallée, C, van Mechelen, P, Vargas Trevino, A, Vazdik, Y, Veelken, C, Vest, A, Vinokurova, S, Volchinski, V, Wacker, K, Wagner, J, Weber, G, Weber, R, Wegener, D, Werner, C, Wessels, M, Wessling, B, Wigmore, C, Wissing, C, Wolf, R, Wünsch, E, Xella, S, Yan, W, Yeganov, V, Žáček, J, Zálešák, J, Zhang, Z, Zhelezov, A, Zhokin, A, Zhu, YC, Zimmermann, J, Zimmermann, T, Zohrabyan, H & Zomer, F 2006, 'Elastic J/ψ production at HERA', European Physical Journal C, vol. 46, no. 3, pp. 585-603. https://doi.org/10.1140/epjc/s2006-02519-5
Aktas A, Andreev V, Anthonis T, Antunovic B, Aplin S, Asmone A et al. Elastic J/ψ production at HERA. European Physical Journal C. 2006 Jun 1;46(3):585-603. https://doi.org/10.1140/epjc/s2006-02519-5
Aktas, A. ; Andreev, V. ; Anthonis, T. ; Antunovic, B. ; Aplin, S. ; Asmone, A. ; Astvatsatourov, A. ; Babaev, A. ; Backovic, S. ; Bähr, J. ; Baghdasaryan, A. ; Baranov, P. ; Barrelet, E. ; Bartel, W. ; Baudrand, S. ; Baumgartner, S. ; Becker, J. ; Beckingham, M. ; Behnke, O. ; Behrendt, O. ; Belousov, A. ; Berger, C. ; Berger, N. ; Bizot, J. C. ; Boenig, M. O. ; Boudry, V. ; Bracinik, J. ; Brandt, G. ; Brisson, V. ; Bruncko, D. ; Büsser, F. W. ; Bunyatyan, A. ; Buschhorn, G. ; Bystritskaya, L. ; Campbell, A. J. ; Caron, S. ; Cassol-Brunner, F. ; Cerny, K. ; Cerny, V. ; Chekelian, V. ; Contreras, J. G. ; Coughlan, J. A. ; Cox, B. E. ; Cozzika, G. ; Cvach, J. ; Dainton, J. B. ; Dau, W. D. ; Daum, K. ; de Boer, Y. ; Delcourt, B. ; Del Degan, M. ; de Roeck, A. ; Desch, K. ; de Wolf, E. A. ; Diaconu, C. ; Dodonov, V. ; Dubak, A. ; Eckerlin, G. ; Efremenko, V. ; Egli, S. ; Eichler, R. ; Eisele, F. ; Ellerbrock, M. ; Elsen, E. ; Erdmann, W. ; Essenov, S. ; Falkewicz, A. ; Faulkner, P. J W ; Favart, L. ; Fedotov, A. ; Felst, R. ; Ferencei, J. ; Finke, L. ; Fleischer, M. ; Fleischmann, P. ; Flucke, G. ; Fomenko, A. ; Foresti, I. ; Franke, G. ; Frisson, T. ; Gabathuler, E. ; Garutti, E. ; Gayler, J. ; Gerlich, C. ; Ghazaryan, S. ; Ginzburgskaya, S. ; Glazov, A. ; Glushkov, I. ; Goerlich, L. ; Goettlich, M. ; Gogitidze, N. ; Gorbounov, S. ; Goyon, C. ; Grab, C. ; Greenshaw, T. ; Gregori, M. ; Grell, B. R. ; Grindhammer, G. ; Gwilliam, C. ; Haidt, D. ; Hajduk, L. ; Hansson, M. ; Heinzelmann, G. ; Henderson, R. C W ; Henschel, H. ; Henshaw, O. ; Herrera, G. ; Hildebrandt, M. ; Hiller, K. H. ; Hoffmann, D. ; Horisberger, R. ; Hovhannisyan, A. ; Hreus, T. ; Hussain, S. ; Ibbotson, M. ; Ismail, M. ; Jacquet, M. ; Janauschek, L. ; Janssen, X. ; Jemanov, V. ; Jönsson, L. ; Johnson, D. P. ; Jung, A. W. ; Jung, H. ; Kapichine, M. ; Katzy, J. ; Kenyon, I. R. ; Kiesling, C. ; Klein, M. ; Kleinwort, C. ; Klimkovich, T. ; Kluge, T. ; Knies, G. ; Knutsson, A. ; Korbel, V. ; Kostka, P. ; Krastev, K. ; Kretzschmar, J. ; Kropivnitskaya, A. ; Krüger, K. ; Kückens, J. ; Landon, M. P J ; Lange, W. ; Laštovička, T. ; Laštovička-Medin, G. ; Laycock, P. ; Lebedev, A. ; Leibenguth, G. ; Lendermann, V. ; Levonian, S. ; Lindfeld, L. ; Lipka, K. ; Liptaj, A. ; List, B. ; List, J. ; Lobodzinska, E. ; Loktionova, N. ; Lopez-Fernandez, R. ; Lubimov, V. ; Lucaci-Timoce, A. I. ; Lueders, H. ; Lüke, D. ; Lux, T. ; Lytkin, L. ; Makankine, A. ; Malden, N. ; Malinovski, E. ; Mangano, S. ; Marage, P. ; Marshall, R. ; Martisikova, M. ; Martyn, H. U. ; Maxfield, S. J. ; Meer, D. ; Mehta, A. ; Meier, K. ; Meyer, A. B. ; Meyer, H. ; Meyer, J. ; Mikocki, S. ; Milcewicz-Mika, I. ; Milstead, D. ; Mladenov, D. ; Mohamed, A. ; Moreau, F. ; Morozov, A. ; Morris, J. V. ; Mozer, M. U. ; Müller, K. ; Murín, P. ; Nankov, K. ; Naroska, B. ; Naumann, T. ; Newman, P. R. ; Niebuhr, C. ; Nikiforov, A. ; Nikitin, D. ; Nowak, G. ; Nozicka, M. ; Oganezov, R. ; Olivier, B. ; Olsson, J. E. ; Osman, S. ; Ozerov, D. ; Palichik, V. ; Panagoulias, I. ; Papadopoulou, T. ; Pascaud, C. ; Patel, G. D. ; Peez, M. ; Perez, E. ; Astudillo, Daniel ; Perieanu, A. ; Petrukhin, A. ; Pitzl, D. ; Plačakyte, R. ; Portheault, B. ; Povh, B. ; Prideaux, P. ; Rahmat, A. J. ; Raicevic, N. ; Reimer, P. ; Rimmer, A. ; Risler, C. ; Rizvi, E. ; Robmann, P. ; Roland, B. ; Roosen, R. ; Rostovtsev, A. ; Rurikova, Z. ; Rusakov, S. ; Salvaire, F. ; Sankey, D. P C ; Sauvan, E. ; Schätzel, S. ; Schilling, F. P. ; Schmidt, D. ; Schmidt, S. ; Schmitt, S. ; Schmitz, C. ; Schoeffel, L. ; Schöning, A. ; Schultz-Coulon, H. C. ; Sedlák, K. ; Sefkow, F. ; Shaw-West, R. N. ; Sheviakov, I. ; Shtarkov, L. N. ; Sloan, T. ; Smirnov, P. ; Soloviev, Y. ; South, D. ; Spaskov, V. ; Specka, A. ; Stella, B. ; Stiewe, J. ; Strauch, I. ; Straumann, U. ; Tchoulakov, V. ; Thompson, G. ; Thompson, P. D. ; Tomasz, F. ; Traynor, D. ; Truöl, P. ; Tsakov, I. ; Tsipolitis, G. ; Tsurin, I. ; Turnau, J. ; Tzamariudaki, E. ; Urban, M. ; Usik, A. ; Utkin, D. ; Valkárová, A. ; Vallée, C. ; van Mechelen, P. ; Vargas Trevino, A. ; Vazdik, Y. ; Veelken, C. ; Vest, A. ; Vinokurova, S. ; Volchinski, V. ; Wacker, K. ; Wagner, J. ; Weber, G. ; Weber, R. ; Wegener, D. ; Werner, C. ; Wessels, M. ; Wessling, B. ; Wigmore, C. ; Wissing, C. ; Wolf, R. ; Wünsch, E. ; Xella, S. ; Yan, W. ; Yeganov, V. ; Žáček, J. ; Zálešák, J. ; Zhang, Z. ; Zhelezov, A. ; Zhokin, A. ; Zhu, Y. C. ; Zimmermann, J. ; Zimmermann, T. ; Zohrabyan, H. ; Zomer, F. / Elastic J/ψ production at HERA. In: European Physical Journal C. 2006 ; Vol. 46, No. 3. pp. 585-603.
@article{95d45bea530142439ea1086afd958073,
title = "Elastic J/ψ production at HERA",
abstract = "Cross sections for elastic production of J/φ mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb-1. Results are presented for photon virtualities Q2 up to 80 GeV2. The dependence on the photon-proton centre of mass energy Wγp is analysed in the range 40 ≤ Wγp ≤ 305 GeV in photoproduction and 40 ≤ Wγp ≤ 160 GeV in electroproduction. The Wγp dependences of the cross sections do not change significantly with Q 2 and can be described by models based on perturbative QCD. Within such models, the data show a high sensitivity to the gluon density of the proton in the domain of low Bjorken x and low Q2. Differential cross sections dσ/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range |t| < 1.2 GeV2 as functions of Wγp and Q2. Effective Pomeron trajectories are determined for photoproduction and electroproduction. The J/φ production and decay angular distributions are consistent with s-channel helicity conservation. The ratio of the cross sections for longitudinally and transversely polarised photons is measured as a function of Q2 and is found to be described by perturbative QCD based models.",
author = "A. Aktas and V. Andreev and T. Anthonis and B. Antunovic and S. Aplin and A. Asmone and A. Astvatsatourov and A. Babaev and S. Backovic and J. B{\"a}hr and A. Baghdasaryan and P. Baranov and E. Barrelet and W. Bartel and S. Baudrand and S. Baumgartner and J. Becker and M. Beckingham and O. Behnke and O. Behrendt and A. Belousov and C. Berger and N. Berger and Bizot, {J. C.} and Boenig, {M. O.} and V. Boudry and J. Bracinik and G. Brandt and V. Brisson and D. Bruncko and B{\"u}sser, {F. W.} and A. Bunyatyan and G. Buschhorn and L. Bystritskaya and Campbell, {A. J.} and S. Caron and F. Cassol-Brunner and K. Cerny and V. Cerny and V. Chekelian and Contreras, {J. G.} and Coughlan, {J. A.} and Cox, {B. E.} and G. Cozzika and J. Cvach and Dainton, {J. B.} and Dau, {W. D.} and K. Daum and {de Boer}, Y. and B. Delcourt and {Del Degan}, M. and {de Roeck}, A. and K. Desch and {de Wolf}, {E. A.} and C. Diaconu and V. Dodonov and A. Dubak and G. Eckerlin and V. Efremenko and S. Egli and R. Eichler and F. Eisele and M. Ellerbrock and E. Elsen and W. Erdmann and S. Essenov and A. Falkewicz and Faulkner, {P. J W} and L. Favart and A. Fedotov and R. Felst and J. Ferencei and L. Finke and M. Fleischer and P. Fleischmann and G. Flucke and A. Fomenko and I. Foresti and G. Franke and T. Frisson and E. Gabathuler and E. Garutti and J. Gayler and C. Gerlich and S. Ghazaryan and S. Ginzburgskaya and A. Glazov and I. Glushkov and L. Goerlich and M. Goettlich and N. Gogitidze and S. Gorbounov and C. Goyon and C. Grab and T. Greenshaw and M. Gregori and Grell, {B. R.} and G. Grindhammer and C. Gwilliam and D. Haidt and L. Hajduk and M. Hansson and G. Heinzelmann and Henderson, {R. C W} and H. Henschel and O. Henshaw and G. Herrera and M. Hildebrandt and Hiller, {K. H.} and D. Hoffmann and R. Horisberger and A. Hovhannisyan and T. Hreus and S. Hussain and M. Ibbotson and M. Ismail and M. Jacquet and L. Janauschek and X. Janssen and V. Jemanov and L. J{\"o}nsson and Johnson, {D. P.} and Jung, {A. W.} and H. Jung and M. Kapichine and J. Katzy and Kenyon, {I. R.} and C. Kiesling and M. Klein and C. Kleinwort and T. Klimkovich and T. Kluge and G. Knies and A. Knutsson and V. Korbel and P. Kostka and K. Krastev and J. Kretzschmar and A. Kropivnitskaya and K. Kr{\"u}ger and J. K{\"u}ckens and Landon, {M. P J} and W. Lange and T. Laštovička and G. Laštovička-Medin and P. Laycock and A. Lebedev and G. Leibenguth and V. Lendermann and S. Levonian and L. Lindfeld and K. Lipka and A. Liptaj and B. List and J. List and E. Lobodzinska and N. Loktionova and R. Lopez-Fernandez and V. Lubimov and Lucaci-Timoce, {A. I.} and H. Lueders and D. L{\"u}ke and T. Lux and L. Lytkin and A. Makankine and N. Malden and E. Malinovski and S. Mangano and P. Marage and R. Marshall and M. Martisikova and Martyn, {H. U.} and Maxfield, {S. J.} and D. Meer and A. Mehta and K. Meier and Meyer, {A. B.} and H. Meyer and J. Meyer and S. Mikocki and I. Milcewicz-Mika and D. Milstead and D. Mladenov and A. Mohamed and F. Moreau and A. Morozov and Morris, {J. V.} and Mozer, {M. U.} and K. M{\"u}ller and P. Mur{\'i}n and K. Nankov and B. Naroska and T. Naumann and Newman, {P. R.} and C. Niebuhr and A. Nikiforov and D. Nikitin and G. Nowak and M. Nozicka and R. Oganezov and B. Olivier and Olsson, {J. E.} and S. Osman and D. Ozerov and V. Palichik and I. Panagoulias and T. Papadopoulou and C. Pascaud and Patel, {G. D.} and M. Peez and E. Perez and Daniel Astudillo and A. Perieanu and A. Petrukhin and D. Pitzl and R. Plačakyte and B. Portheault and B. Povh and P. Prideaux and Rahmat, {A. J.} and N. Raicevic and P. Reimer and A. Rimmer and C. Risler and E. Rizvi and P. Robmann and B. Roland and R. Roosen and A. Rostovtsev and Z. Rurikova and S. Rusakov and F. Salvaire and Sankey, {D. P C} and E. Sauvan and S. Sch{\"a}tzel and Schilling, {F. P.} and D. Schmidt and S. Schmidt and S. Schmitt and C. Schmitz and L. Schoeffel and A. Sch{\"o}ning and Schultz-Coulon, {H. C.} and K. Sedl{\'a}k and F. Sefkow and Shaw-West, {R. N.} and I. Sheviakov and Shtarkov, {L. N.} and T. Sloan and P. Smirnov and Y. Soloviev and D. South and V. Spaskov and A. Specka and B. Stella and J. Stiewe and I. Strauch and U. Straumann and V. Tchoulakov and G. Thompson and Thompson, {P. D.} and F. Tomasz and D. Traynor and P. Tru{\"o}l and I. Tsakov and G. Tsipolitis and I. Tsurin and J. Turnau and E. Tzamariudaki and M. Urban and A. Usik and D. Utkin and A. Valk{\'a}rov{\'a} and C. Vall{\'e}e and {van Mechelen}, P. and {Vargas Trevino}, A. and Y. Vazdik and C. Veelken and A. Vest and S. Vinokurova and V. Volchinski and K. Wacker and J. Wagner and G. Weber and R. Weber and D. Wegener and C. Werner and M. Wessels and B. Wessling and C. Wigmore and C. Wissing and R. Wolf and E. W{\"u}nsch and S. Xella and W. Yan and V. Yeganov and J. Ž{\'a}ček and J. Z{\'a}leš{\'a}k and Z. Zhang and A. Zhelezov and A. Zhokin and Zhu, {Y. C.} and J. Zimmermann and T. Zimmermann and H. Zohrabyan and F. Zomer",
year = "2006",
month = "6",
day = "1",
doi = "10.1140/epjc/s2006-02519-5",
language = "English",
volume = "46",
pages = "585--603",
journal = "European Physical Journal C",
issn = "1434-6044",
publisher = "Springer New York",
number = "3",

}

TY - JOUR

T1 - Elastic J/ψ production at HERA

AU - Aktas, A.

AU - Andreev, V.

AU - Anthonis, T.

AU - Antunovic, B.

AU - Aplin, S.

AU - Asmone, A.

AU - Astvatsatourov, A.

AU - Babaev, A.

AU - Backovic, S.

AU - Bähr, J.

AU - Baghdasaryan, A.

AU - Baranov, P.

AU - Barrelet, E.

AU - Bartel, W.

AU - Baudrand, S.

AU - Baumgartner, S.

AU - Becker, J.

AU - Beckingham, M.

AU - Behnke, O.

AU - Behrendt, O.

AU - Belousov, A.

AU - Berger, C.

AU - Berger, N.

AU - Bizot, J. C.

AU - Boenig, M. O.

AU - Boudry, V.

AU - Bracinik, J.

AU - Brandt, G.

AU - Brisson, V.

AU - Bruncko, D.

AU - Büsser, F. W.

AU - Bunyatyan, A.

AU - Buschhorn, G.

AU - Bystritskaya, L.

AU - Campbell, A. J.

AU - Caron, S.

AU - Cassol-Brunner, F.

AU - Cerny, K.

AU - Cerny, V.

AU - Chekelian, V.

AU - Contreras, J. G.

AU - Coughlan, J. A.

AU - Cox, B. E.

AU - Cozzika, G.

AU - Cvach, J.

AU - Dainton, J. B.

AU - Dau, W. D.

AU - Daum, K.

AU - de Boer, Y.

AU - Delcourt, B.

AU - Del Degan, M.

AU - de Roeck, A.

AU - Desch, K.

AU - de Wolf, E. A.

AU - Diaconu, C.

AU - Dodonov, V.

AU - Dubak, A.

AU - Eckerlin, G.

AU - Efremenko, V.

AU - Egli, S.

AU - Eichler, R.

AU - Eisele, F.

AU - Ellerbrock, M.

AU - Elsen, E.

AU - Erdmann, W.

AU - Essenov, S.

AU - Falkewicz, A.

AU - Faulkner, P. J W

AU - Favart, L.

AU - Fedotov, A.

AU - Felst, R.

AU - Ferencei, J.

AU - Finke, L.

AU - Fleischer, M.

AU - Fleischmann, P.

AU - Flucke, G.

AU - Fomenko, A.

AU - Foresti, I.

AU - Franke, G.

AU - Frisson, T.

AU - Gabathuler, E.

AU - Garutti, E.

AU - Gayler, J.

AU - Gerlich, C.

AU - Ghazaryan, S.

AU - Ginzburgskaya, S.

AU - Glazov, A.

AU - Glushkov, I.

AU - Goerlich, L.

AU - Goettlich, M.

AU - Gogitidze, N.

AU - Gorbounov, S.

AU - Goyon, C.

AU - Grab, C.

AU - Greenshaw, T.

AU - Gregori, M.

AU - Grell, B. R.

AU - Grindhammer, G.

AU - Gwilliam, C.

AU - Haidt, D.

AU - Hajduk, L.

AU - Hansson, M.

AU - Heinzelmann, G.

AU - Henderson, R. C W

AU - Henschel, H.

AU - Henshaw, O.

AU - Herrera, G.

AU - Hildebrandt, M.

AU - Hiller, K. H.

AU - Hoffmann, D.

AU - Horisberger, R.

AU - Hovhannisyan, A.

AU - Hreus, T.

AU - Hussain, S.

AU - Ibbotson, M.

AU - Ismail, M.

AU - Jacquet, M.

AU - Janauschek, L.

AU - Janssen, X.

AU - Jemanov, V.

AU - Jönsson, L.

AU - Johnson, D. P.

AU - Jung, A. W.

AU - Jung, H.

AU - Kapichine, M.

AU - Katzy, J.

AU - Kenyon, I. R.

AU - Kiesling, C.

AU - Klein, M.

AU - Kleinwort, C.

AU - Klimkovich, T.

AU - Kluge, T.

AU - Knies, G.

AU - Knutsson, A.

AU - Korbel, V.

AU - Kostka, P.

AU - Krastev, K.

AU - Kretzschmar, J.

AU - Kropivnitskaya, A.

AU - Krüger, K.

AU - Kückens, J.

AU - Landon, M. P J

AU - Lange, W.

AU - Laštovička, T.

AU - Laštovička-Medin, G.

AU - Laycock, P.

AU - Lebedev, A.

AU - Leibenguth, G.

AU - Lendermann, V.

AU - Levonian, S.

AU - Lindfeld, L.

AU - Lipka, K.

AU - Liptaj, A.

AU - List, B.

AU - List, J.

AU - Lobodzinska, E.

AU - Loktionova, N.

AU - Lopez-Fernandez, R.

AU - Lubimov, V.

AU - Lucaci-Timoce, A. I.

AU - Lueders, H.

AU - Lüke, D.

AU - Lux, T.

AU - Lytkin, L.

AU - Makankine, A.

AU - Malden, N.

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PY - 2006/6/1

Y1 - 2006/6/1

N2 - Cross sections for elastic production of J/φ mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb-1. Results are presented for photon virtualities Q2 up to 80 GeV2. The dependence on the photon-proton centre of mass energy Wγp is analysed in the range 40 ≤ Wγp ≤ 305 GeV in photoproduction and 40 ≤ Wγp ≤ 160 GeV in electroproduction. The Wγp dependences of the cross sections do not change significantly with Q 2 and can be described by models based on perturbative QCD. Within such models, the data show a high sensitivity to the gluon density of the proton in the domain of low Bjorken x and low Q2. Differential cross sections dσ/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range |t| < 1.2 GeV2 as functions of Wγp and Q2. Effective Pomeron trajectories are determined for photoproduction and electroproduction. The J/φ production and decay angular distributions are consistent with s-channel helicity conservation. The ratio of the cross sections for longitudinally and transversely polarised photons is measured as a function of Q2 and is found to be described by perturbative QCD based models.

AB - Cross sections for elastic production of J/φ mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb-1. Results are presented for photon virtualities Q2 up to 80 GeV2. The dependence on the photon-proton centre of mass energy Wγp is analysed in the range 40 ≤ Wγp ≤ 305 GeV in photoproduction and 40 ≤ Wγp ≤ 160 GeV in electroproduction. The Wγp dependences of the cross sections do not change significantly with Q 2 and can be described by models based on perturbative QCD. Within such models, the data show a high sensitivity to the gluon density of the proton in the domain of low Bjorken x and low Q2. Differential cross sections dσ/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range |t| < 1.2 GeV2 as functions of Wγp and Q2. Effective Pomeron trajectories are determined for photoproduction and electroproduction. The J/φ production and decay angular distributions are consistent with s-channel helicity conservation. The ratio of the cross sections for longitudinally and transversely polarised photons is measured as a function of Q2 and is found to be described by perturbative QCD based models.

UR - http://www.scopus.com/inward/record.url?scp=33744793459&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33744793459&partnerID=8YFLogxK

U2 - 10.1140/epjc/s2006-02519-5

DO - 10.1140/epjc/s2006-02519-5

M3 - Article

AN - SCOPUS:33744793459

VL - 46

SP - 585

EP - 603

JO - European Physical Journal C

JF - European Physical Journal C

SN - 1434-6044

IS - 3

ER -