학술논문

Diffractive photoproduction of D.sup.*+-(2010) at HERA
Document Type
Author abstract
Author
Chekanov, S.Derrick, M.Magill, S.Musgrave, B.Nicholass, D.Repond, J.Yoshida, R.Mattingly, M.C.K.Jechow, M.Pavel, N.Yagues Molina, A.G.Antonelli, S.Antonioli, P.Bari, G.Basile, M.Bellagamba, L.Bindi, M.Boscherini, D.Bruni, A.Bruni, G.Cifarelli, L.Cindolo, F.Contin, A.Corradi, M.De Pasquale, S.Iacobucci, G.Margotti, A.Nania, R.Polini, A.Sartorelli, G.Zichichi, A.Bartsch, D.Brock, I.Goers, S.Hartmann, H.Hilger, E.Jakob, H.-P.Jungst, M.Kind, O.M.Paul, E.Renner, R.Samson, U.Schonberg, V.Shehzadi, R.Wlasenko, M.Brook, N.H.Heath, G.P.Morris, J.D.Namsoo, T.Capua, M.Fazio, S.Mastroberardino, A.Schioppa, M.Susinno, G.Tassi, E.Kim, J.Y.Ma, K.J.Ibrahim, Z.A.Kamaluddin, B.Wan Abdullah, W.A.T.Ning, Y.Ren, Z.Sciulli, F.Chwastowski, J.Eskreys, A.Figiel, J.Galas, A.Gil, M.Olkiewicz, K.Stopa, P.Zawiejski, L.Adamczyk, L.BoAd, T.Grabowska-BoAd, I.Kisielewska, D.Aukasik, J.PrzybycieA, M.Suszycki, L.KotaAski, A.SAomiAski, W.Adler, V.Behrens, U.Bloch, I.Blohm, C.Bonato, A.Borras, K.Ciesielski, R.Coppola, N.Dossanov, A.Drugakov, V.Fourletova, J.Geiser, A.Gladkov, D.Gottlicher, P.Gregor, I.Haas, T.Hain, W.Horn, C.Kahle, B.Katkov, I.I.Klein, U.Kotz, U.Kowalski, H.Lobodzinska, E.Lohr, B.Mankel, R.Melzer-Pellmann, I.-A.Miglioranzi, S.Montanari, A.Notz, D.Nuncio-Quiroz, A.E.Rinaldi, L.Rubinsky, I.Santamarta, R.Schneekloth, U.Spiridonov, A.Stadie, H.Szuba, D.Szuba, J.Theedt, T.Wolf, G.Wrona, K.Youngman, C.Zeuner, W.Lohmann, W.Schlenstedt, S.Barbagli, G.Gallo, E.Pelfer, P.G.Bamberger, A.Dobur, D.Karstens, F.Vlasov, N.N.Bussey, P.J.Doyle, A.T.Dunne, W.Ferrando, J.Forrest, M.Saxon, D.H.Skillicorn, I.O.Gialas, I.Papageorgiu, K.Gosau, T.Holm, U.Klanner, R.Lohrmann, E.Salehi, H.Schleper, P.Schorner-Sadenius, T.Sztuk, J.Wichmann, K.Wick, K.Foudas, C.Fry, C.Long, K.R.Tapper, A.D.Kataoka, M.Matsumoto, T.Nagano, K.Tokushuku, K.Yamada, S.Yamazaki, Y.Barakbaev, A.N.Boos, E.G.Pokrovskiy, N.S.Zhautykov, B.O.Son, D.de Favereau, J.Piotrzkowski, K.Barreiro, F.Glasman, C.Jimenez, M.Labarga, L.del Peso, J.Ron, E.Soares, M.Terron, J.Zambrana, M.Corriveau, F.Liu, C.Walsh, R.Zhou, C.Tsurugai, T.Antonov, A.Dolgoshein, B.A.Sosnovtsev, V.Stifutkin, A.Suchkov, S.Dementiev, R.K.Ermolov, P.F.Gladilin, L.K.Khein, L.A.Korzhavina, I.A.Kuzmin, V.A.Levchenko, B.B.Lukina, O.Yu.Proskuryakov, A.S.Shcheglova, L.M.Zotkin, D.S.Zotkin, S.A.Abt, I.Buttner, C.Caldwell, A.Kollar, D.Schmidke, W.B.Sutiak, J.Grigorescu, G.Keramidas, A.Koffeman, E.Kooijman, P.Pellegrino, A.Tiecke, H.Vazquez, M.Wiggers, L.Brummer, N.Bylsma, B.Durkin, L.S.Lee, A.Ling, T.Y.Allfrey, P.D.Bell, M.A.Cooper-Sarkar, A.M.Cottrell, A.Devenish, R.C.E.Foster, B.Korcsak-Gorzo, K.Patel, S.Roberfroid, V.Robertson, A.Straub, P.B.Uribe-Estrada, C.Walczak, R.Bellan, P.Bertolin, A.Brugnera, R.Carlin, R.Dal Corso, F.Dusini, S.Garfagnini, A.Limentani, S.Longhin, A.Stanco, L.Turcato, M.Oh, B.Y.Raval, A.Ukleja, J.Whitmore, J.J.Iga, Y.D'Agostini, G.Marini, G.Nigro, A.Cole, J.E.Hart, J.C.Abramowicz, H.Gabareen, A.Ingbir, R.Kananov, S.Levy, A.Kuze, M.Maeda, J.Hori, R.Kagawa, S.Okazaki, N.Shimizu, S.Tawara, T.Hamatsu, R.Kaji, H.Kitamura, S.Ota, O.Ri, Y.D.Ferrero, M.I.Monaco, V.Sacchi, R.Solano, A.Arneodo, M.Ruspa, M.Fourletov, S.Martin, J.F.Boutle, S.K.Butterworth, J.M.Gwenlan, C.Jones, T.W.Loizides, J.H.Sutton, M.R.Wing, M.Brzozowska, B.Ciborowski, J.Grzelak, G.Kulinski, P.AuA1/4niak, P.Malka, J.Nowak, R.J.Pawlak, J.M.Tymieniecka, T.Ukleja, A.A>>arnecki, A.F.Adamus, M.Plucinski, P.Eisenberg, Y.Giller, I.Hochman, D.Karshon, U.Rosin, M.Brownson, E.Danielson, T.Everett, A.Kcira, D.Reeder, D.D.Ryan, P.Savin, A.A.Smith, W.H.Wolfe, H.Bhadra, S.Catterall, C.D.Cui, Y.Hartner, G.Menary, S.Noor, U.Standage, J.Whyte, J.
Source
The European Physical Journal C - Particles and Fields. July, 2007, Vol. 51 Issue 2, p301, 15 p.
Subject
Nuclear physics
Language
English
ISSN
1434-6044
Abstract
Diffractive photoproduction of D.sup.*+-(2010) mesons was measured with the ZEUS detector at the ep collider HERA, using an integrated luminosity of 78.6 pb.sup.-1. The D.sup.* mesons were reconstructed in the kinematic range: transverse momentum p.sub.T(D.sup.*) > 1.9 GeV and pseudorapidity |I*(D.sup.*)|< 1.6, using the decay D.sup.*+[right arrow]D.sup.0[pi].sup.+ .sub.s followed by D.sup.0[right arrow]K.sup.-[pi].sup.+(+c.c.). Diffractive events were identified by a large gap in pseudorapidity between the produced hadronic state and the outgoing proton. Cross sections are reported for photon--proton centre-of-mass energies in the range 130 < W < 300 GeV and for photon virtualities Q.sup.2 < 1 GeV.sup.2, in two ranges of the Pomeron fractional momentum x.sub.IP< 0.035 and x.sub.IP< 0.01. The relative contribution of diffractive events to the inclusive D.sup.*+-(2010) photoproduction cross section is about 6%. The data are in agreement with perturbative QCD calculations based on various parameterisations of diffractive parton distribution functions. The results are consistent with diffractive QCD factorisation.