Diffractive photoproduction of J/ψ mesons with large momentum transfer at HERA

Aktas, A; Andreev, V; Anthonis, T; Astvatsatourov, A; Babaev, A; Backovic, S; Bahr, J; Baranov, P; Barrelet, E; Bartel, W; Baumgartner, S; Becker, J; Beckingham, M; Beglarian, A; Behnke, O; Behrendt, O; Belousov, A; Berger, C; Berndt, T; Bizot, JC; Bohme, J; Boenig, M-O; Boudry, V; Bracinik, J; Braunschweig, W; Brisson, V; Broker, H-B; Brown, DP; Bruncko, D; Busser, FW; Bunyatyan, A; Burrage, A; Buschhorn, G; Bystritskaya, L; Campbell, AJ; Caron, S; Cassol-Brunner, F; Chekelian, V; Clarke, D; Collard, C; Contreras, JG; Coppens, YR; Coughlan, JA; Cousinou, M-C; Cox, BE; Cozzika, G; Cvach, J; Dainton, JB; Dau, WD; Daum, K; Davidsson, M; Delcourt, B; Delerue, N; Demirchyan, R; de Roeck, A; de Wolf, EA; Diaconu, C; Dingfelder, J; Dixon, P; Dodonov, V; Dowell, JD; Dubak, A; Duprel, C; Eckerlin, G; Efremenko, V; Egli, S; Eichler, R; Eisele, F; Ellerbrock, M; Elsen, E; Erdmann, M; Erdmann, W; Faulkner, PJW; Favart, L; Fedotov, A; Felst, R; Ferencei, J; Ferron, S; Fleischer, M; Fleischmann, P; Fleming, YH; Flucke, G; Flugge, G; Fomenko, A; Foresti, I; Formanek, J; Franke, G; Frising, G; Gabathuler, E; Gabathuler, K; Garvey, J; Gassner, J; Gayler, J; Gerhards, R; Gerlich, C; Ghazaryan, S; Goerlich, L; Gogitidze, N; Gorbounov, S; Grab, C; Grabski, V; Grassler, H; Greenshaw, T; Grindhammer, G; Haidt, D; Hajduk, L; Haller, J; Heinemann, B; Heinzelmann, G; Henderson, RCW; Henschel, H; Henshaw, O; Heremans, R; Herrera, G; Herynek, I; Hildebrandt, M; Hilgers, M; Hiller, KH; Hladky, J; Hoting, P; Hoffmann, D; Horisberger, R; Hovhannisyan, A; Ibbotson, M; Jacquet, M; Janauschek, L; Janssen, X; Jemanov, V; Jonsson, L; Johnson, C; Johnson, DP; Jones, MAS; Jung, H; Kant, D; Kapichine, M; Karlsson, M; Katzy, J; Keil, F; Keller, N; Kennedy, J; Kenyon, IR; Kiesling, C; Klein, M; Kleinwort, C; Kluge, T; Knies, G; Koblitz, B; Kolya, SD; Korbel, V; Kostka, P; Koutouev, R; Koutov, A; Kroseberg, J; Kruger, K; Kueckens, J; Kuhr, T; Landon, MPJ; Lange, W; Lastovicka, T; Laycock, P; Lebedev, A; Leissner, B; Lemrani, R; Lendermann, V; Levonian, S; List, B; Lobodzinska, E; Loktionova, N; Lopez-Fernandez, R; Lubimov, V; Lueders, H; Luders, S; Luke, D; Lytkin, L; Makankine, A; Maiden, N; Malinovski, E; Mangano, S; Marage, P; Marks, J; Marshall, R; Martyn, H-U; Martyniak, J; Maxfield, SJ; Meer, D; Mehta, A; Meier, K; Meyer, AB; Meyer, H; Meyer, J; Michine, S; Mikocki, S; Milstead, D; Mohrdieck, S; Moreau, F; Morozov, A; Morris, JV; Muller, K; Murin, P; Nagovizin, V; Naroska, B; Naumann, J; Naumann, T; Newman, PR; Niebergall, F; Niebuhr, C; Nikitin, D; Nowak, G; Nozicka, M; Olivier, B; Olsson, JE; Ozerov, D; Panassik, V; Pascaud, C; Patel, GD; Peez, M; Perez, E; Petrukhin, A; Phillips, JP; Pitzl, D; Poschl, R; Povh, B; Raicevic, N; Rauschenberger, J; Reimer, P; Reisert, B; Risler, C; Rizvi, E; Robmann, P; Roosen, R; Rostovtsev, A; Rusakov, S; Rybicki, K; Sankey, DPC; Sauvan, E; Schatzel, S; Scheins, J; Schilling, F-P; Schleper, P; Schmidt, D; Schmidt, S; Schmitt, S; Schneider, M; Schoeffel, L; Schoning, A; Schroder, V; Schultz-Coulon, H-C; Schwanenberger, C; Sedlak, K; Sefkow, F; Sheviakov, I; Shtarkov, LN; Sirois, Y; Sloan, T; Smirnov, P; Soloviev, Y; South, D; Spaskov, V; Specka, A; Spitzer, H; Stamen, R; Stella, B; Stiewe, J; Strauch, I; Straumann, U; Thompson, G; Thompson, PD; Tomasz, F; Traynor, D; Truol, P; Tsipolitis, G; Tsurin, I; Turnau, J; Turney, JE; Tzamariudaki, E; Uraev, A; Urban, M; Usik, A; Valkar, S; Valkarova, A; Vallee, C; van Mechelen, P; Vargas Trevino, A; Vassiliev, S; Vazdik, Y; Veelken, C; Vest, A; Vichnevski, A; Volchinski, V; Wacker, K; Wagner, J; Wallny, R; Waugh, B; Weber, G; Weber, R; Wegener, D; Werner, C; Werner, N; Wessels, M; Wessling, B; Winde, M; Winter, G-G; Wissing, C; Woehrling, E-E; Wunsch, E; Wyatt, AC; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zomer, F; zur Nedden, M

dc.contributor.author	Aktas, A	en
dc.contributor.author	Andreev, V	en
dc.contributor.author	Anthonis, T	en
dc.contributor.author	Astvatsatourov, A	en
dc.contributor.author	Babaev, A	en
dc.contributor.author	Backovic, S	en
dc.contributor.author	Bahr, J	en
dc.contributor.author	Baranov, P	en
dc.contributor.author	Barrelet, E	en
dc.contributor.author	Bartel, W	en
dc.contributor.author	Baumgartner, S	en
dc.contributor.author	Becker, J	en
dc.contributor.author	Beckingham, M	en
dc.contributor.author	Beglarian, A	en
dc.contributor.author	Behnke, O	en
dc.contributor.author	Behrendt, O	en
dc.contributor.author	Belousov, A	en
dc.contributor.author	Berger, C	en
dc.contributor.author	Berndt, T	en
dc.contributor.author	Bizot, JC	en
dc.contributor.author	Bohme, J	en
dc.contributor.author	Boenig, M-O	en
dc.contributor.author	Boudry, V	en
dc.contributor.author	Bracinik, J	en
dc.contributor.author	Braunschweig, W	en
dc.contributor.author	Brisson, V	en
dc.contributor.author	Broker, H-B	en
dc.contributor.author	Brown, DP	en
dc.contributor.author	Bruncko, D	en
dc.contributor.author	Busser, FW	en
dc.contributor.author	Bunyatyan, A	en
dc.contributor.author	Burrage, A	en
dc.contributor.author	Buschhorn, G	en
dc.contributor.author	Bystritskaya, L	en
dc.contributor.author	Campbell, AJ	en
dc.contributor.author	Caron, S	en
dc.contributor.author	Cassol-Brunner, F	en
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dc.contributor.author	Cvach, J	en
dc.contributor.author	Dainton, JB	en
dc.contributor.author	Dau, WD	en
dc.contributor.author	Daum, K	en
dc.contributor.author	Davidsson, M	en
dc.contributor.author	Delcourt, B	en
dc.contributor.author	Delerue, N	en
dc.contributor.author	Demirchyan, R	en
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dc.contributor.author	Dingfelder, J	en
dc.contributor.author	Dixon, P	en
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dc.contributor.author	Dowell, JD	en
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dc.contributor.author	Efremenko, V	en
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dc.contributor.author	Eichler, R	en
dc.contributor.author	Eisele, F	en
dc.contributor.author	Ellerbrock, M	en
dc.contributor.author	Elsen, E	en
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dc.contributor.author	Wessling, B	en
dc.contributor.author	Winde, M	en
dc.contributor.author	Winter, G-G	en
dc.contributor.author	Wissing, C	en
dc.contributor.author	Woehrling, E-E	en
dc.contributor.author	Wunsch, E	en
dc.contributor.author	Wyatt, AC	en
dc.contributor.author	Zacek, J	en
dc.contributor.author	Zalesak, J	en
dc.contributor.author	Zhang, Z	en
dc.contributor.author	Zhokin, A	en
dc.contributor.author	Zomer, F	en
dc.contributor.author	zur Nedden, M	en
dc.date.accessioned	2014-03-01T01:18:52Z
dc.date.available	2014-03-01T01:18:52Z
dc.date.issued	2003	en
dc.identifier.issn	0370-2693	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/15243
dc.subject.classification	Physics, Multidisciplinary	en
dc.subject.other	proton	en
dc.subject.other	article	en
dc.subject.other	atomic particle	en
dc.subject.other	color	en
dc.subject.other	diffraction	en
dc.subject.other	energy	en
dc.subject.other	light	en
dc.subject.other	luminance	en
dc.subject.other	mass	en
dc.subject.other	measurement	en
dc.subject.other	meson	en
dc.subject.other	model	en
dc.subject.other	photon	en
dc.subject.other	photoproduction	en
dc.subject.other	quantum chromodynamics	en
dc.subject.other	quantum theory	en
dc.title	Diffractive photoproduction of J/ψ mesons with large momentum transfer at HERA	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.physletb.2003.06.056	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.physletb.2003.06.056	en
heal.language	English	en
heal.publicationDate	2003	en
heal.abstract	The diffractive photoproduction of J/psi mesons is measured with the HI detector at the ep collider HERA using an integrated luminosity of 78 pb(-1). The differential cross section dsigma(gammap --> J/psiY)/dt is studied in the range 2 < \t\ < 30 GeV2, where t is the square of the four-momentum transferred at the proton vertex. The cross section is also presented as a function of the photon-proton centre-of-mass energy W-gammap in three t intervals, spanning the range 50 < W-gammap < 200 GeV. A fast rise of the cross section with W-gammap is observed for each t range and the slope for the effective linear Pomeron trajectory is measured to be alpha' = -0.0135 +/- 0.0074(stat.) +/- 0.0051(syst.) GeV-2. The measurements are compared with perturbative QCD models based on BFKL and DGLAP evolution. The data are found to be compatible with s-channel helicity conservation. (C) 200 Published by Elsevier B.V.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics	en
dc.identifier.doi	10.1016/j.physletb.2003.06.056	en
dc.identifier.isi	ISI:000184973600003	en
dc.identifier.volume	568	en
dc.identifier.issue	3-4	en
dc.identifier.spage	205	en
dc.identifier.epage	218	en