Measurement of $D^*$ meson cross-sections at HERA and determination of the gluon density in the proton using NLO QCD
- Adloff, C.
- Anderson, M.
- Barrelet, E.
- Glazov, A.
- Goerlich, L.
- Gogitidze, N.
- Goldberg, M.
- Gorelov, I.
- Grab, C.
- Grassler, H.
- Greenshaw, T.
- Griffiths, R. K.
- Grindhammer, Guenter
- Bartel, W.
- Hadig, T.
- Haidt, D.
- Hajduk, L.
- Haller, T.
- Hampel, M.
- Haustein, V.
- Haynes, W. J.
- Heinemann, B.
- Heinzelmann, G.
- Henderson, R. C. W.
- Bassler, U.
- Hengstmann, S.
- Henschel, H.
- Heremans, R.
- Herynek, I.
- Hewitt, K.
- Hiller, K. H.
- Hilton, C. D.
- Hladky, J.
- Hoffmann, D.
- Horisberger, R.
- Bate, P.
- Hurling, S.
- Ibbotson, M.
- Issever, C.
- Jacquet, M.
- Jaffre, M.
- Jansen, D. M.
- Jonsson, L.
- Johnson, D. P.
- Jones, M.
- Jung, H.
- Beck, M.
- Kastli, H. K.
- Kander, M.
- Kant, D.
- Kapichine, M.
- Karlsson, M.
- Karschnik, O.
- Katzy, J.
- Kaufmann, O.
- Kausch, M.
- Kenyon, I. R.
- Beglarian, A.
- Kermiche, S.
- Keuker, C.
- Kiesling, Christian M.
- Klein, M.
- Kleinwort, C.
- Knies, G.
- Kohne, J. H.
- Kolanoski, H.
- Kolya, S. D.
- Korbel, V.
- Behnke, O.
- Kostka, P.
- Kotelnikov, S. K.
- Kramerkamper, T.
- Krasny, M. W.
- Krehbiel, H.
- Krucker, D.
- Kruger, K.
- Kupper, A.
- Kuster, H.
- Kuhlen, M.
- Behrend, H. J.
- Kurca, T.
- Lahmann, R.
- Landon, M. P. J.
- Lange, W.
- Langenegger, Urs
- Lebedev, A.
- Lehner, F.
- Lemaitre, V.
- Lendermann, V.
- Levonian, S.
- Beier, C.
- Lindstrom, M.
- List, B.
- Lobo, G.
- Lobodzinska, E.
- Lubimov, V.
- Luders, S.
- Luke, D.
- Lytkin, L.
- Magnussen, N.
- Mahlke-Kruger, H.
- Belousov, A.
- Malinovsky, E.
- Maracek, R.
- Marage, P.
- Marks, J.
- Marshall, R.
- Martin, G.
- Martyn, H. U.
- Martyniak, J.
- Maxfield, S. J.
- McMahon, T. R.
- Andreev, V.
- Berger, Christoph
- Mehta, A.
- Meier, K.
- Merkel, P.
- Metlica, F.
- Meyer, A.
- Meyer, H.
- Meyer, J.
- Meyer, P. O.
- Mikocki, S.
- Milstead, D.
- Bernardi, G.
- Moeck, J.
- Mohr, R.
- Mohrdieck, S.
- Moreau, F.
- Morris, J. V.
- Muller, D.
- Muller, K.
- Murin, P.
- Nagovizin, V.
- Naroska, B.
- Bertrand-Coremans, G.
- Naumann, T.
- Negri, I.
- Newman, Paul R.
- Nguyen, H. K.
- Nicholls, T. C.
- Niebergall, F.
- Niebuhr, C.
- Niedzballa, C.
- Niggli, H.
- Nikitin, D.
- Biddulph, P.
- Nix, O.
- Nowak, G.
- Nunnemann, T.
- Oberlack, H.
- Olsson, J. E.
- Ozerov, D.
- Palmen, P.
- Panassik, V.
- Pascaud, C.
- Passaggio, S.
- Bizot, J. C.
- Patel, G. D.
- Pawletta, H.
- Perez, E.
- Phillips, J. P.
- Pieuchot, A.
- Pitzl, D.
- Poschl, R.
- Pope, G.
- Povh, B.
- Rabbertz, K.
- Boudry, V.
- Rauschenberger, J.
- Reimer, P.
- Reisert, B.
- Reyna, D.
- Rick, H.
- Riess, S.
- Rizvi, E.
- Robmann, P.
- Roosen, R.
- Rosenbauer, K.
- Braunschweig, W.
- Rostovtsev, A.
- Rouse, F.
- Royon, C.
- Rusakov, S.
- Rybicki, K.
- Sankey, D. P. C.
- Schacht, P.
- Scheins, J.
- Schilling, F. P.
- Schleif, S.
- Brisson, V.
- Schleper, P.
- Schmidt, D.
- Schoeffel, L.
- Schroder, V.
- Schultz-Coulon, H. C.
- Schwab, B.
- Sefkow, F.
- Semenov, A.
- Chekelian, V. I.
- Sheviakov, I.
- Brown, D. P.
- Shtarkov, L. N.
- Siegmon, G.
- Sirois, Y.
- Sloan, T.
- Smirnov, P.
- Smith, M.
- Solochenko, V.
- Solovev, Yu.
- Spaskov, V.
- Specka, Arnd E.
- Bruckner, W.
- Spiekermann, J.
- Spitzer, H.
- Squinabol, F.
- Steffen, P.
- Steinberg, R.
- Steinhart, J.
- Stella, B.
- Stellberger, A.
- Stiewe, J.
- Straumann, U.
- Andrieu, B.
- Bruel, P.
- Struczinski, W.
- Sutton, J. P.
- Swart, M.
- Tapprogge, S.
- Tasevsky, M.
- Chernyshov, V.
- Chechelnitsky, S.
- Theissen, J.
- Thompson, Graham
- Thompson, P. D.
- Bruncko, D.
- Tobien, N.
- Todenhagen, R.
- Truoel, Peter
- Tsipolitis, G.
- Turnau, J.
- Tzamariudaki, E.
- Udluft, S.
- Usik, A.
- Valkar, S.
- Valkarova, A.
- Burger, J.
- Vallee, C.
- Van Esch, P.
- Van Haecke, A.
- Van Mechelen, P.
- Vazdik, Ya.
- Villet, G.
- Wacker, K.
- Wallny, R.
- Walter, T.
- Waugh, B.
- Busser, F. W.
- Weber, G.
- Weber, M.
- Wegener, D.
- Wegner, A.
- Wengler, T.
- Werner, M.
- West, L. R.
- Wiesand, S.
- Wilksen, T.
- Willard, S.
- Bunyatyan, A.
- Winde, M.
- Winter, G. G.
- Wittek, C.
- Wittmann, E.
- Wobisch, M.
- Wollatz, H.
- Wunsch, E.
- Zacek, J.
- Zalesak, J.
- Zhang, Z.
- Burke, Stephen
- Zhokin, A.
- Zini, P.
- Zomer, F.
- Zsembery, J.
- zur Nedden, M.
- H1 Collaboration
- Burrage, A.
- Buschhorn, G.
- Calvet, D.
- Campbell, A. J.
- Arkadov, V.
- Carli, T.
- Chabert, E.
- Charlet, M.
- Clarke, D.
- Clerbaux, B.
- Contreras, J. G.
- Cormack, C.
- Coughlan, J. A.
- Cousinou, M. C.
- Cox, B. E.
- Arndt, C.
- Cozzika, G.
- Cvach, J.
- Dainton, J. B.
- Dau, W. D.
- Daum, K.
- David, M.
- Davidsson, M.
- De Roeck, A.
- De Wolf, E. A.
- Delcourt, B.
- Ayyaz, I.
- Demirchyan, R.
- Diaconu, C.
- Dirkmann, M.
- Dixon, P.
- Dlugosz, W.
- Donovan, K. T.
- Dowell, J. D.
- Droutskoi, A.
- Ebert, J.
- Eckerlin, Guenter
- Babaev, A.
- Eckstein, D.
- Efremenko, V.
- Egli, S.
- Eichler, R.
- Eisele, F.
- Eisenhandler, E.
- Elsen, E.
- Enzenberger, M.
- Erdmann, M.
- Fahr, A. B.
- Bahr, J.
- Favart, L.
- Fedotov, A.
- Felst, R.
- Feltesse, J.
- Ferencei, J.
- Ferrarotto, F.
- Fleischer, M.
- Flugge, G.
- Fomenko, A.
- Formanek, J.
- Baranov, P.
- Foster, J. M.
- Franke, G.
- Gabathuler, E.
- Gabathuler, K.
- Gaede, F.
- Garvey, J.
- Gassner, J.
- Gayler, Joerg
- Gerhards, R.
- Ghazaryan, Samvel
DOIAbstract
With the H1 detector at the ep collider HERA, D ∗ meson production cross sections have been measured in deep inelastic scattering with four-momentum transfers Q 2 > 3 GeV 2 and in photoproduction at energies around W γp ≈ 88 GeV and 194 GeV. Next-to-Leading Order QCD calculations are found to describe the differential cross sections within theoretical and experimental uncertainties. Using these calculations, the NLO gluon momentum distribution in the proton, x g g ( x g ), has been extracted in the momentum fraction range 7.5 × 10 −4 < x g < 4 × 10 −2 at average scales μ 2 = 25 to 50 GeV 2 . The gluon momentum fraction x g has been obtained from the measured kinematics of the scattered electron and the D ∗ meson in the final state. The resu...
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