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Measurement of D*(+/-) meson production and F-2(c) in deep-inelastic scattering at HERA

By C Adloff, V Andreev, B Andrieu, T Anthonis, V Arkadov, A Astvatsatourov, A Babaev, J Bahr, P Baranov, E Barrelet, W Bartel, P Bate, A Beglarian, O Behnke, C Beier, A Belousov, T Benisch, C Berger, T Berndt, JC Bizot, V Boudry, W Braunschweig, V Brisson, HB Broker, DP Brown, W Bruckner, D Bruncko, J Burger, FW Busser, A Bunyatyan, A Burrage, G Buschhorn, AJ Campbell, J Cao, T Carli, S Caron, D Clarke, B Clerbaux, C Collard, JG Contreras, YR Coppens, JA Coughlan, MC Cousinou, BE Cox, G Cozzika, J Cvach, JB Dainton, WD Dau, K Daum, Mattias Davidsson, B Delcourt, N Delerue, R Demirchyan, A De Roeck, EA De Wolf, C Diaconu, J Dingfelder, P Dixon, V Dodonov, JD Dowell, A Droutskoi, A Dubak, C Duprel, G Eckerlin, D Eckstein, V Efremenko, S Egli, R Eichler, F Eisele, E Eisenhandler, M Ellerbrock, E Elsen, M Erdmann, W Erdmann, PJW Faulkner, L Favart, A Fedotov, R Felst, J Ferencei, S Ferron, M Fleischer, YH Fleming, G Flugge, A Fomenko, I Foresti, J Formanek, JM Foster, G Franke, E Gabathuler, K Gabathuler, J Garvey, J Gassner, J Gayler, R Gerhards, C Gerlich, S Ghazaryan, L Goerlich, N Gogitidze, M Goldberg, C Goodwin, C Grab, H Grassler, T Greenshaw, G Grindhammer, T Hadig, D Haidt, L Hajduk, WJ Haynes, B Heinemann, G Heinzelmann, RCW Henderson, S Hengstmann, H Henschel, R Heremans, G Herrera, L Herynek, M Hildebrandt, M Hilgers, KH Hiller, J Hladky, P Hoting, D Hoffmann, R Horisberger, S Hurling, M Ibbotson, C Issever, M Jacquet, M Jaffre, L Janauschek, DM Jansen, X Janssen, V Jemanov, Leif Jönsson, DP Johnson, MAS Jones, Hannes Jung, HK Kastli, D Kant, M Kapichine, Martin Karlsson, O Karschnick, F Keil, N Keller, J Kennedy, IR Kenyon, S Kermiche, C Kiesling, Pär Kjellberg, M Klein, C Kleinwort, T Kluge, G Knies, B Koblitz, SD Kolya, V Korbel, P Kostka, SK Kotelnikov, R Koutouev, A Koutov, H Krehbiel, J Kroseberg, K Kruger, A Kupper, T Kuhr, T Kurca, R Lahmann, D Lamb, MPJ Landon, W Lange, T Lastovicka, P Laycock, E Lebailly, A Lebedev, B Leissner, R Lemrani, V Lendermann, S Levonian, Magnus Lindström, B List, E Lobodzinska, B Lobodzinski, A Loginov, N Loktionova, V Lubimov, S Luders, D Luke, L Lytkin, H Mahlke-Kruger, N Malden, E Malinovski, I Malinovski, R Maracek, P Marage, J Marks, R Marshall, HU Martyn, J Martyniak, SJ Maxfield, D Meer, A Mehta, K Meier, P Merkel, AB Meyer, H Meyer, J Meyer, PO Meyer, S Mikocki, D Milstead, T Mkrtchyan, R Mohr, S Mohrdieck, MN Mondragon, F Moreau, A Morozov, JV Morris, K Muller, P Murin, V Nagovizin, B Naroska, J Naumann, T Naumann, G Nellen, PR Newman, TC Nicholls, F Niebergall, C Niebuhr, O Nix, G Nowak, JE Olsson, D Ozerov, V Panassik, C Pascaud, GD Patel, M Peez, E Perez, JP Phillips, D Pitzl, R Poschl, I Potachnikova, B Povh, K Rabbertz, G Radel, J Rauschenberger, P Reimer, B Reisert, D Reyna, C Risler, E Rizvi, P Robmann, R Roosen, A Rostovtsev, S Rusakov, K Rybicki, DPC Sankey, J Scheins, RP Schilling, P Schleper, D Schmidt, D Schmidt, S Schmitt, M Schneider, L Schoeffel, A Schoning, T Schorner, V Schroder, HC Schultz-Coulon, C Schwanenberger, K Sedlak, F Sefkow, V Shekelyan, I Sheviakov, LN Shtarkov, Y Sirois, T Sloan, P Smirnov, V Solochenko, Y Soloviev, D South, V Spaskov, A Specka, H Spitzer, R Stamen, B Stella, J Stiewe, U Straumann, M Swart, M Tasevsky, V Tchernyshov, S Tchetchelnitski, G Thompson, PD Thompson, N Tobien, D Traynor, P Truol, G Tsipolitis, I Tsurin, J Turnau, JE Turney, E Tzamariudaki, S Udluft, A Usik, S Valkar, A Valkarova, C Vallee, P Van Mechelen, S Vassiliev, Y Vazdik, A Vichnevski, K Wacker, R Wallny, B Waugh, G Weber, M Weber, D Wegener, C Werner, M Werner, N Werner, G White, S Wiesand, T Wilksen, M Winde, GG Winter, C Wissing, M Wobisch, E Wunsch, AC Wyatt, J Zacek, J Zalesak, Z Zhang, A Zhokin, F Zomer, J Zsembery and M zur Nedden

Abstract

The inclusive production of D*+/-(2010) mesons in deep-inelastic scattering is studied with the HI detector at HERA. In the kinematic region 1 1.5 GeV and eta(D*) < 1.5. Single and double differential inclusive D*+/- meson cross sections are compared to perturbative QCD calculations in two different evolution schemes, The charm contribution to the proton structure, F-c(2)(x, Q(2)), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q(2) = 1.5 GeV2 to more than 25% at Q(2) = 60 GeV2 corresponding to x values ranging from 5 x 10(-5) to 3 x 10(-3). (C) 2002 Elsevier Science B.V. All rights reserved

Topics: Subatomic Physics
Publisher: 'Elsevier BV'
Year: 2002
DOI identifier: 10.1016/S0370-2693(02)01195-4
OAI identifier: oai:lup.lub.lu.se:5dbb70b3-689b-4861-9cec-6f41648143c6
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