1. Measurement of diffractive production of D-*+/- (2010) mesons in deep-inelastic scattering at HERA
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Chekanov, S, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Yoshida, R, Mattingly, M C K, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G C, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, De Pasquale, S, Giusti, P, Iacobucci, G, Margotti, A, Nania, R, Palmonari, F, Pesci, A, Sartorelli, G, Zichichi, A, Aghuzumtsyan, G, Bartsch, D, Brock, I, Crittenden, J, Goers, S, Hartmann, H, Hilger, E, Irrgang, P, Jakob, H P, Kappes, A, Katz, U F, Kerger, R, Kind, O, Paul, E, Rautenberg, J, Renner, R, Schnurbusch, H, Stifutkin, A, Tandler, J, Voss, K C, Weber, A, Bailey, D S, Brook, N H, Cole, J E, Foster, B, Heath, G P, Heath, H F, Robins, S, Rodrigues, E, Scott, J, Topper, R J, Wing, M, Capua, M, Mastroberardino, A, Schioppa, M, Susinno, G, Kim, J Y, Kim, Y K, Lee, J H, Lim, I T, Pac, M Y, Caldwell, A, Helbich, M, Liu, X, Mellado, B, Paganis, S, Schmidke, W, Sciulli, F, Chwastowski, J, Eskreys, A, Figiel, J, Olkiewicz, K, Poitrzkowski, K, Przybycien, M B, Stopa, P, Zawiejski, L, Adamczyk, L, Bednarek, B, Grabowska-Bold, I, Jelen, K, Kisielewska, D, Kowal, A M, Kowal, M, Kowalski, T, Mindur, B, Przybycien, M, Rulikowska-Zarebska, E, Suszycki, L, Szuba, D, Szuba, J, Kotanski, A, Slominski, W, Bauerdick, L A T, Behrens, U, Borras, K, Chiochia, V, Dannheim, D, Derrick, M, Drews, G, Fourletova, J, Fox-Murphy, A, Fricke, U, Geiser, A, Goebel, F, Gottlicher, P, Gutsche, O, Haas, T, Hain, W, Hartner, G F, Hillert, S, Kotz, U, Kowalski, H, Labes, H, Lelas, D, Lohr, B, Mankel, R, Martinez, M, Moritz, M, Notz, D, Pellmann, I A, Petrucci, M C, Polini, A, Raval, A, Schneekloth, U, Selonke, F, Surrow, B, Wessoleck, H, Wichmann, R, Wolf, G, Youngman, C, Zeuner, W, Viani, A L D, Meyer, A, Schlenstedt, S, Barbagli, G, Gallo, E, Genta, C, Pelfer, P G, Bamberger, A, Benen, A, Coppola, N, Raach, H, Bell, M, Bussey, P J, Doyle, A T, Glasman, C, Hanlon, S, Lee, S W, Lupi, A, McCance, G J, Saxon, D H, Skillicorn, I O, Gialas, I, Bodmann, B, Carli, T, Holm, U, Klimek, K, Krumnack, N, Lohrmann, E, Milite, M, Salehi, H, Stonjek, S, Wick, K, Ziegler, A, Collins-Tooth, C, Foudas, C, Goncalo, R, Long, K R, Metlica, F, Miller, D B, Tapper, A D, Walker, R, Cloth, P, Filges, D, Kuze, M, Nagano, K, Tokushuka, K, Yamada, S, Yamazaki, Y, Barakbaev, A, Boos, E G, Pokrovskiy, N S, Zhautykov, B O, Lim, H, Son, D, Barreiro, F, Gonzalez, O, Labarga, L, del Peso, J, Redondo, I, Terron, J, Vazquez, M, Barbi, M, Bertolin, A, Corriveau, F, Ochs, A, Padhi, S, Stairs, D G, St-Laurent, M, Tsurugai, T, Antonov, A, Bashkirov, V, Danilov, P, Dolgoshein, B A, Gladkov, D, Sosnovtsev, V, Suchkov, S, Dementiev, R K, Ermolov, R, Golubkov, Y A, Katkov, I I, Khein, L A, Korzhavina, I A, Kuzmin, V A, Levchenko, B B, Lukina, O Y, Proskuryakov, A S, Shcheglova, L M, Vlasov, N N, Zotkin, S A, Bokel, C, Engelen, J, Grijpink, S, Koffeman, E, Kooijman, P, Maddox, E, Pellegrino, A, Schagen, S, Tassi, E, Tiecke, H, Tuning, N, Velthuis, J J, Wiggers, L, de Wolf, E, Bruummer, N, Bylsma, B, Durkin, L S, Gilmore, J, Ginsburg, C M, Kim, C L, Ling, T Y, Boogert, S, Cooper-Sarkar, A M, Devenish, R C E, Ferrando, J, Grzelak, G, Matsushita, T, Rigby, M, Ruske, O, Sutton, M R, Walczak, R, Brugnera, R, Carlin, R, Dal Corso, F, Dusini, S, Garfagnini, A, Limentani, S, Longhin, A, Parenti, A, Posocco, M, Stanco, L, Turcato, M, Heaphy, E A, Oh, B Y, Sau, P R B, Whitmore, J J, Iga, Y, D'Agostini, G D, Marini, G, Nigro, A, Cormack, C, Hart, J C, McCubbin, N A, Heusch, C, Park, I H, Pavel, N, Abramowicz, H, Dagan, S, Gabareen, A, Kananov, S S, Kreisel, A, Levy, A, Abe, T, Fusayasu, T, Kohno, T, Umemori, K, Yamashita, T, Hamatsu, R, Hirose, T, Inuzuka, M, Kitamura, S, Matsuzawa, K, Nishimura, T, Arneodo, M, Cartiglia, N, Cirio, R, Costa, M, Ferrero, M I, Maselli, S, Monaco, V, Peroni, C, Ruspa, M, Sacchi, R, Solano, A, Staiano, A, Galea, R, Koop, T, Levman, G M, Martin, J F, Mirea, A, Sabetfakhri, A, Butterworth, J M, Gwenlan, C, Hall-Wilton, R, Jones, T W, Lane, J B, Lightwood, M S, Loizides, J H, West, B J, Ciborowski, J, Ciesielski, R, Nowak, R J, Pawlak, J M, Smalska, B, Sztuk, J, Tymieniecka, T, Ukleja, A, Ukleja, J, Zakrzewski, J A, Zarnecki, A F, Adamus, M, Plucinski, P, Eisenberg, Y, Gladilin, L K, Hochman, D, Karshon, U, Kcira, D, Lammers, S, Li, L, Reeder, D D, Savin, A A, Smith, W H, Deshpande, A, Dhawan, S, Hughes, V, Straub, P, Bhadra, S, Catterall, C D, Fourletov, S, Menary, S, Soares, M, Standage, J, ZEUS Collaboration, Chekanov, S, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Yoshida, R, Mattingly, M C K, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Romeo, G C, Cifarelli, L, Cindolo, F, Contin, A, Corradi, M, De Pasquale, S, Giusti, P, Iacobucci, G, Margotti, A, Nania, R, Palmonari, F, Pesci, A, Sartorelli, G, Zichichi, A, Aghuzumtsyan, G, Bartsch, D, Brock, I, Crittenden, J, Goers, S, Hartmann, H, Hilger, E, Irrgang, P, Jakob, H P, Kappes, A, Katz, U F, Kerger, R, Kind, O, Paul, E, Rautenberg, J, Renner, R, Schnurbusch, H, Stifutkin, A, Tandler, J, Voss, K C, Weber, A, Bailey, D S, Brook, N H, Cole, J E, Foster, B, Heath, G P, Heath, H F, Robins, S, Rodrigues, E, Scott, J, Topper, R J, Wing, M, Capua, M, Mastroberardino, A, Schioppa, M, Susinno, G, Kim, J Y, Kim, Y K, Lee, J H, Lim, I T, Pac, M Y, Caldwell, A, Helbich, M, Liu, X, Mellado, B, Paganis, S, Schmidke, W, Sciulli, F, Chwastowski, J, Eskreys, A, Figiel, J, Olkiewicz, K, Poitrzkowski, K, Przybycien, M B, Stopa, P, Zawiejski, L, Adamczyk, L, Bednarek, B, Grabowska-Bold, I, Jelen, K, Kisielewska, D, Kowal, A M, Kowal, M, Kowalski, T, Mindur, B, Przybycien, M, Rulikowska-Zarebska, E, Suszycki, L, Szuba, D, Szuba, J, Kotanski, A, Slominski, W, Bauerdick, L A T, Behrens, U, Borras, K, Chiochia, V, Dannheim, D, Derrick, M, Drews, G, Fourletova, J, Fox-Murphy, A, Fricke, U, Geiser, A, Goebel, F, Gottlicher, P, Gutsche, O, Haas, T, Hain, W, Hartner, G F, Hillert, S, Kotz, U, Kowalski, H, Labes, H, Lelas, D, Lohr, B, Mankel, R, Martinez, M, Moritz, M, Notz, D, Pellmann, I A, Petrucci, M C, Polini, A, Raval, A, Schneekloth, U, Selonke, F, Surrow, B, Wessoleck, H, Wichmann, R, Wolf, G, Youngman, C, Zeuner, W, Viani, A L D, Meyer, A, Schlenstedt, S, Barbagli, G, Gallo, E, Genta, C, Pelfer, P G, Bamberger, A, Benen, A, Coppola, N, Raach, H, Bell, M, Bussey, P J, Doyle, A T, Glasman, C, Hanlon, S, Lee, S W, Lupi, A, McCance, G J, Saxon, D H, Skillicorn, I O, Gialas, I, Bodmann, B, Carli, T, Holm, U, Klimek, K, Krumnack, N, Lohrmann, E, Milite, M, Salehi, H, Stonjek, S, Wick, K, Ziegler, A, Collins-Tooth, C, Foudas, C, Goncalo, R, Long, K R, Metlica, F, Miller, D B, Tapper, A D, Walker, R, Cloth, P, Filges, D, Kuze, M, Nagano, K, Tokushuka, K, Yamada, S, Yamazaki, Y, Barakbaev, A, Boos, E G, Pokrovskiy, N S, Zhautykov, B O, Lim, H, Son, D, Barreiro, F, Gonzalez, O, Labarga, L, del Peso, J, Redondo, I, Terron, J, Vazquez, M, Barbi, M, Bertolin, A, Corriveau, F, Ochs, A, Padhi, S, Stairs, D G, St-Laurent, M, Tsurugai, T, Antonov, A, Bashkirov, V, Danilov, P, Dolgoshein, B A, Gladkov, D, Sosnovtsev, V, Suchkov, S, Dementiev, R K, Ermolov, R, Golubkov, Y A, Katkov, I I, Khein, L A, Korzhavina, I A, Kuzmin, V A, Levchenko, B B, Lukina, O Y, Proskuryakov, A S, Shcheglova, L M, Vlasov, N N, Zotkin, S A, Bokel, C, Engelen, J, Grijpink, S, Koffeman, E, Kooijman, P, Maddox, E, Pellegrino, A, Schagen, S, Tassi, E, Tiecke, H, Tuning, N, Velthuis, J J, Wiggers, L, de Wolf, E, Bruummer, N, Bylsma, B, Durkin, L S, Gilmore, J, Ginsburg, C M, Kim, C L, Ling, T Y, Boogert, S, Cooper-Sarkar, A M, Devenish, R C E, Ferrando, J, Grzelak, G, Matsushita, T, Rigby, M, Ruske, O, Sutton, M R, Walczak, R, Brugnera, R, Carlin, R, Dal Corso, F, Dusini, S, Garfagnini, A, Limentani, S, Longhin, A, Parenti, A, Posocco, M, Stanco, L, Turcato, M, Heaphy, E A, Oh, B Y, Sau, P R B, Whitmore, J J, Iga, Y, D'Agostini, G D, Marini, G, Nigro, A, Cormack, C, Hart, J C, McCubbin, N A, Heusch, C, Park, I H, Pavel, N, Abramowicz, H, Dagan, S, Gabareen, A, Kananov, S S, Kreisel, A, Levy, A, Abe, T, Fusayasu, T, Kohno, T, Umemori, K, Yamashita, T, Hamatsu, R, Hirose, T, Inuzuka, M, Kitamura, S, Matsuzawa, K, Nishimura, T, Arneodo, M, Cartiglia, N, Cirio, R, Costa, M, Ferrero, M I, Maselli, S, Monaco, V, Peroni, C, Ruspa, M, Sacchi, R, Solano, A, Staiano, A, Galea, R, Koop, T, Levman, G M, Martin, J F, Mirea, A, Sabetfakhri, A, Butterworth, J M, Gwenlan, C, Hall-Wilton, R, Jones, T W, Lane, J B, Lightwood, M S, Loizides, J H, West, B J, Ciborowski, J, Ciesielski, R, Nowak, R J, Pawlak, J M, Smalska, B, Sztuk, J, Tymieniecka, T, Ukleja, A, Ukleja, J, Zakrzewski, J A, Zarnecki, A F, Adamus, M, Plucinski, P, Eisenberg, Y, Gladilin, L K, Hochman, D, Karshon, U, Kcira, D, Lammers, S, Li, L, Reeder, D D, Savin, A A, Smith, W H, Deshpande, A, Dhawan, S, Hughes, V, Straub, P, Bhadra, S, Catterall, C D, Fourletov, S, Menary, S, Soares, M, Standage, J, and ZEUS Collaboration
- Abstract
Diffractive production of D*+/-(2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 44.3 pb(-1). Diffractive charm production is identified by the presence of a large rapidity gap in the final state of events in which a D*+/- (2010) meson is reconstructed in the decay channel D*+/- --> (D-0 --> K(-)pi(+))pi(s)(+) (+ charge conjugate). Differential cross sections when compared with theoretical predictions indicate the importance of gluons in such diffractive interactions. (C) 2002 Elsevier Science B.V All rights reserved.