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Elastic J/psi production at HERA

Aktas, A. (author)
Andreev, V. (author)
Anthonis, T. (author)
show more...
Antunovic, B. (author)
Aplin, S. (author)
Asmone, A. (author)
Astvatsatourov, A. (author)
Babaev, A. (author)
Backovic, S. (author)
Baehr, J. (author)
Baghdasaryan, A. (author)
Baranov, P. (author)
Barrelet, E. (author)
Bartel, W. (author)
Baudrand, S. (author)
Baumgartner, S. (author)
Becker, J. (author)
Beckingham, M. (author)
Behnke, O. (author)
Behrendt, O. (author)
Belousov, A. (author)
Berger, C. (author)
Berger, N. (author)
Bizot, J. C. (author)
Boenig, M. -O. (author)
Boudry, V. (author)
Bracinik, J. (author)
Brandt, G. (author)
Brisson, V. (author)
Bruncko, D. (author)
Buesser, F. W. (author)
Bunyatyan, A. (author)
Buschhorn, G. (author)
Bystritskaya, L. (author)
Campbell, A. J. (author)
Caron, S. (author)
Cassol-Brunner, F. (author)
Cerny, K. (author)
Cerny, V. (author)
Chekelian, V. (author)
Contreras, J. G. (author)
Coughlan, J. A. (author)
Cox, B. E. (author)
Cozzika, G. (author)
Cvach, J. (author)
Dainton', J. B. (author)
Dau, W. D. (author)
Daum, K. (author)
de Boer, Y. (author)
Delcourt, B. (author)
Del Degan, M. (author)
De Roeck, A. (author)
Desch, K. (author)
De Wolf, E. A. (author)
Diaconu, C. (author)
Dodonov, V. (author)
Dubak, A. (author)
Eckerlin, G. (author)
Efremenko, V. (author)
Egli, S. (author)
Eichler, R. (author)
Eisele, F. (author)
Ellerbrock, M. (author)
Elsen, E. (author)
Erdmann, W. (author)
Essenov, S. (author)
Falkewicz, A. (author)
Faulkner, P. J. W. (author)
Favart, L. (author)
Fedotov, A. (author)
Felst, R. (author)
Ferencei, J. (author)
Finke, L. (author)
Fleischer, M. (author)
Fleischmann, P. (author)
Flucke, G. (author)
Fomenko, A. (author)
Foresti, I. (author)
Franke, G. (author)
Frisson, T. (author)
Gabathuler, E. (author)
Garutti, E. (author)
Gayler, J. (author)
Gerlich, C. (author)
Ghazaryan, S. (author)
Ginzburgskaya, S. (author)
Glazov, A. (author)
Glushkov, I. (author)
Goerlich, L. (author)
Goettlich, M. (author)
Gogitidze, N. (author)
Gorbounov, S. (author)
Goyon, C. (author)
Grab, C. (author)
Greenshaw, T. (author)
Gregori, M. (author)
Grell, B. R. (author)
Grindhammer, G. (author)
Gwilliam, C. (author)
Haidt, D. (author)
Hajduk, L. (author)
Hansson, Magnus (author)
Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Heinzelmann, G. (author)
Henderson, R. C. W. (author)
Henschel, H. (author)
Henshaw, O. (author)
Herrera, G. (author)
Hildebrandt, M. (author)
Hiller, K. H. (author)
Hoffmann, D. (author)
Horisberger, R. (author)
Hovhannisyan, A. (author)
Hreus, T. (author)
Hussain, S. (author)
Ibbotson, M. (author)
Ismail, M. (author)
Jacquet, M. (author)
Janauschek, L. (author)
Janssen, X. (author)
Jemanov, V. (author)
Jönsson, Leif (author)
Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Johnson, D. P. (author)
Jung, A. W. (author)
Jung, Hannes (author)
Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Kapichine, M. (author)
Katzy, J. (author)
Kenyon, I. R. (author)
Kiesling, C. (author)
Klein, M. (author)
Kleinwort, C. (author)
Klimkovich, T. (author)
Kluge, T. (author)
Knies, G. (author)
Knutsson, Albert (author)
Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Korbel, V. (author)
Kostka, P. (author)
Krastev, K. (author)
Kretzschmar, J. (author)
Kropivnitskaya, A. (author)
Krueger, K. (author)
Kueckens, J. (author)
Landon, M. P. J. (author)
Lange, W. (author)
Lastovicka, T. (author)
Lastovicka-Medin, G. (author)
Laycock, P. (author)
Lebedev, A. (author)
Leibenguth, G. (author)
Lendermann, V. (author)
Levonian, S. (author)
Lindfeld, L. (author)
Lipka, K. (author)
Liptaj, A. (author)
Listo, B. (author)
List, J. (author)
Lobodzinska, E. (author)
Loktionova, N. (author)
Lopez-Fernandez, R. (author)
Lubimov, V. (author)
Lucaci-Timoce, A. -I. (author)
Lueders, H. (author)
Lueke, D. (author)
Lux, T. (author)
Lytkin, L. (author)
Makankine, A. (author)
Malden, N. (author)
Malinovski, E. (author)
Mangano, S. (author)
Marage, P. (author)
Marshall, R. (author)
Martisikova, M. (author)
Martyn, H. -U. (author)
Maxfield, S. J. (author)
Meer, D. (author)
Mehta, A. (author)
Meier, K. (author)
Meyer, A. B. (author)
Meyer, H. (author)
Meyer, J. (author)
Mikocki, S. (author)
Milcewicz-Mika, I. (author)
Milstead, D. (author)
Mladenov, D. (author)
Mohamed, A. (author)
Moreau, F. (author)
Morozov, A. (author)
Morris, J. V. (author)
Mozer, M. U. (author)
Mueller, K. (author)
Murin, P. (author)
Nankov, K. (author)
Naroska, B. (author)
Naumann, T. (author)
Newman, P. R. (author)
Niebuhr, C. (author)
Nikiforov, A. (author)
Nikitin, D. (author)
Nowak, G. (author)
Nozicka, M. (author)
Oganezov, R. (author)
Olivier, B. (author)
Olsson, J. E. (author)
Osman, Sakar (author)
Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Ozerov, D. (author)
Palichik, V. (author)
Panagoulias, I. (author)
Papadopoulou, T. (author)
Pascaud, C. (author)
Patel, G. D. (author)
Peez, M. (author)
Perez, E. (author)
Perez-Astudillo, D. (author)
Perieanu, A. (author)
Petrukhin, A. (author)
Pitzl, D. (author)
Placakyte, R. (author)
Portheault, B. (author)
Povh, B. (author)
Prideaux, P. (author)
Rahmat, A. J. (author)
Raicevic, N. (author)
Reimer, P. (author)
Rimmer, A. (author)
Risler, C. (author)
Rizvi, E. (author)
Robmann, P. (author)
Roland, B. (author)
Roosen, R. (author)
Rostovtsev, A. (author)
Rurikova, Z. (author)
Rusakov, S. (author)
Salvaire, F. (author)
Sankey, D. P. C. (author)
Sauvan, E. (author)
Schaetzel, S. (author)
Schilling, F. -P. (author)
Schmidt, D. (author)
Schmidt, S. (author)
Schmitt, S. (author)
Schmitz, C. (author)
Schoeffel, L. (author)
Schoening, A. (author)
Schultz-Coulon, H. -C. (author)
Sedlak, K. (author)
Sefkow, F. (author)
Shaw-West, R. N. (author)
Sheviakov, I. (author)
Shtarkov, L. N. (author)
Sloan, T. (author)
Smirnov, P. (author)
Soloviev, Y. (author)
South, D. (author)
Spaskov, V. (author)
Specka, A. (author)
Stella, B. (author)
Stiewe, J. (author)
Strauch, I. (author)
Straumann, U. (author)
Tchoulakov, V. (author)
Thompson, G. (author)
Thompson, P. D. (author)
Tomasz, F. (author)
Traynor, D. (author)
Truoel, P. (author)
Tsakov, I. (author)
Tsipolitis, G. (author)
Tsurin, I. (author)
Turnau, J. (author)
Tzamariudaki, E. (author)
Urban, M. (author)
Usik, A. (author)
Utkin, D. (author)
Valkarova, A. (author)
Vallee, C. (author)
Van Mechelen, P. (author)
Trevino, A. Vargas (author)
Vazdik, Y. (author)
Veelken, C. (author)
Vest, A. (author)
Vinokurova, S. (author)
Volchinski, V. (author)
Wacker, K. (author)
Wagner, J. (author)
Weber, G. (author)
Weber, R. (author)
Wegener, D. (author)
Werner, C. (author)
Wessels, M. (author)
Wessling, B. (author)
Wigmore, C. (author)
Wissing, C. (author)
Wolf, R. (author)
Wuensch, E. (author)
Xella, S. (author)
Yan, W. (author)
Yeganov, V. (author)
Zacek, J. (author)
Zalesak, J. (author)
Zhang, Z. (author)
Zhelezov, A. (author)
Zhokin, A. (author)
Zhu, Y. C. (author)
Zimmermann, J. (author)
Zimmermann, T. (author)
Zohrabyan, H. (author)
Zomer, F. (author)
show less...
 (creator_code:org_t)
2006-04-27
2006
English.
In: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 46:3, s. 585-603
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • Cross sections for elastic production of J/psi 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 Q(2) up to 80 GeV2. The dependence on the photon-proton centre of mass energy W-gamma p is analysed in the range 40 <= W-gamma p <= 305 GeV in photoproduction and 40 <= W-gamma p <= 160 GeV in electroproduction. The W-gamma p 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 Q(2). Differential cross sections d sigma/dt, where t is the squared four-momentum transfer at the proton vertex, are measured in the range vertical bar t vertical bar < 1.2 GeV2 as functions of W-gamma p and Q(2). Effective Pomeron trajectories are determined for photoproduction and electroproduction. The J/psi 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 Q(2) and is found to be described by perturbative QCD based models.

Subject headings

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)

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Aktas, A.
Andreev, V.
Anthonis, T.
Antunovic, B.
Aplin, S.
Asmone, A.
show more...
Astvatsatourov, ...
Babaev, A.
Backovic, S.
Baehr, 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.
Buesser, F. W.
Bunyatyan, A.
Buschhorn, G.
Bystritskaya, L.
Campbell, A. J.
Caron, S.
Cassol-Brunner, ...
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. ...
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, Magnus
Heinzelmann, G.
Henderson, R. C. ...
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, Leif
Johnson, D. P.
Jung, A. W.
Jung, Hannes
Kapichine, M.
Katzy, J.
Kenyon, I. R.
Kiesling, C.
Klein, M.
Kleinwort, C.
Klimkovich, T.
Kluge, T.
Knies, G.
Knutsson, Albert
Korbel, V.
Kostka, P.
Krastev, K.
Kretzschmar, J.
Kropivnitskaya, ...
Krueger, K.
Kueckens, J.
Landon, M. P. J.
Lange, W.
Lastovicka, T.
Lastovicka-Medin ...
Laycock, P.
Lebedev, A.
Leibenguth, G.
Lendermann, V.
Levonian, S.
Lindfeld, L.
Lipka, K.
Liptaj, A.
Listo, B.
List, J.
Lobodzinska, E.
Loktionova, N.
Lopez-Fernandez, ...
Lubimov, V.
Lucaci-Timoce, A ...
Lueders, H.
Lueke, 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, ...
Milstead, D.
Mladenov, D.
Mohamed, A.
Moreau, F.
Morozov, A.
Morris, J. V.
Mozer, M. U.
Mueller, K.
Murin, 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, Sakar
Ozerov, D.
Palichik, V.
Panagoulias, I.
Papadopoulou, T.
Pascaud, C.
Patel, G. D.
Peez, M.
Perez, E.
Perez-Astudillo, ...
Perieanu, A.
Petrukhin, A.
Pitzl, D.
Placakyte, 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.
Schaetzel, S.
Schilling, F. -P ...
Schmidt, D.
Schmidt, S.
Schmitt, S.
Schmitz, C.
Schoeffel, L.
Schoening, A.
Schultz-Coulon, ...
Sedlak, 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.
Truoel, P.
Tsakov, I.
Tsipolitis, G.
Tsurin, I.
Turnau, J.
Tzamariudaki, E.
Urban, M.
Usik, A.
Utkin, D.
Valkarova, A.
Vallee, C.
Van Mechelen, P.
Trevino, A. Varg ...
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.
Wuensch, E.
Xella, S.
Yan, W.
Yeganov, V.
Zacek, J.
Zalesak, J.
Zhang, Z.
Zhelezov, A.
Zhokin, A.
Zhu, Y. C.
Zimmermann, J.
Zimmermann, T.
Zohrabyan, H.
Zomer, F.
show less...
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NATURAL SCIENCES
NATURAL SCIENCES
and Physical Science ...
and Subatomic Physic ...
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European Physica ...
The European Phy ...
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