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Titolo:
D*(+/-) meson production in deep-inelastic diffractive interactions at HERA
Autore:
Adloff, C; Andreev, V; Andrieu, B; Anthonis, T; Arkadov, V; Astvatsatourov, A; Babaev, A; Bahr, J; Baranov, P; Barrelet, E; Bartel, W; Bate, P; Becker, J; Beglarian, A; Behnke, O; Beier, C; Belousov, A; Benisch, T; Berger, C; Berndt, T; Bizot, JC; Boehme, J; Boudry, V; Braunschweig, W; Brisson, V; Broker, HB; Brown, DP; Bruckner, W; Bruncko, D; Burger, J; Busser, FW; Bunyatyan, A; Burrage, A; Buschhorn, G; Bystritskaya, L; Campbell, AJ; Cao, J; Caron, S; Cassol-Brunner, F; Clarke, D; Clerbaux, B; Collard, C; Contreras, JG; Coppens, YR; Coughlan, JA; Cousinou, MC; 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; Droutskoi, A; Dubak, A; Duprel, C; Eckerlin, G; Eckstein, D; Efremenko, V; Egli, S; Eichler, R; Eisele, F; Eisenhandler, E; Ellerbrock, M; Elsen, E; Erdmann, M; Erdmann, W; Faulkner, PJW; Favart, L; Fedotov, A; Felst, R; Ferencei, J; Ferron, S; Fleischer, M; Fleming, YH; Flugge, G; Fomenko, A; Foresti, I; Formanek, J; Franke, G; Gabathuler, E; Gabathuler, K; Garvey, J; Gassner, J; Gayler, J; Gerhards, R; Gerlich, C; Ghazaryan, S; Goerlich, L; Gogitidze, N; Goldberg, M; Grab, C; Grassler, H; Greenshaw, T; Grindhammer, G; Hadig, T; Haidt, D; Hajduk, L; Haller, J; Haynes, WJ; Heinemann, B; Heinzelmann, G; Henderson, RCW; Hengstmann, S; Henschel, H; Heremans, R; Herrera, G; Herynek, I; Hildebrandt, M; Hilgers, M; Hiller, KH; Hladky, J; Hoting, P; Hoffmann, D; Horisberger, R; Hurling, S; Ibbotson, M; Issever, C; Jacquet, M; Jaffre, M; Janauschek, L; Janssen, X; Jemanov, V; Jonsson, L; Johnson, C; Johnson, DP; Jones, MAS; Jung, H; Kant, D; Kapichine, M; Karlsson, M; Karschnick, O; Keil, F; Keller, N; Kennedy, J; Kenyon, IR; Kermiche, S; Kiesling, C; Kjellberg, P; Klein, M; Kleinwort, C; Kluge, T; Knies, G; Koblitz, B; Kolya, SD; Korbel, V; Kostka, P; Kotelnikov, SK; Koutouev, R; Koutov, A; Krehbiel, H; Kroseberg, J; Kruger, K; Kupper, A; Kuhr, T; Kurca, T; Lahmann, R; Lamb, D; Landon, MPJ; Lange, W; Lastovicka, T; Laycock, P; Lebailly, E; Lebedev, A; Leissner, B; Lemrani, R; Lendermann, V; Levonian, S; Lindstroem, M; List, B; Lobodzinska, E; Lobodzinski, B; Loginov, A; Loktionova, N; Lubimov, V; Luders, S; Luke, D; Lytkin, L; Mahlke-Kruger, H; Malden, N; Malinovski, E; Malinovski, I; Maracek, R; Marage, P; Marks, J; Marshall, R; Martyn, HU; Martyniak, J; Maxfield, SJ; Meer, D; Mehta, A; Meier, K; Meyer, AB; Meyer, H; Meyer, J; Meyer, PO; Mikocki, S; Milstead, D; Mkrtchyan, T; Mohr, R; Mohrdieck, S; Mondragon, MN; Moreau, F; Morozov, A; Morris, JV; Muller, K; Murin, R; Nagovizin, V; Naroska, B; Naumann, J; Naumann, T; Nellen, G; Newman, PR; Nicholls, TC; Niebergall, F; Niebuhr, C; Nix, O; Nowak, G; Olsson, JE; Ozerov, D; Panassik, V; Pascaud, C; Patel, GD; Peez, M; Perez, E; Phillips, JP; Pitzl, D; Poschl, R; Potachnikova, I; Povh, B; Rabbertz, K; Radel, G; Rauschenberger, J; Reimer, P; Reisert, B; Reyna, D; Risler, C; Rizvi, E; Robmann, P; Roosen, R; Rostovtsev, A; Rusakov, S; Rybicki, K; Sankey, DPC; Scheins, J; Schilling, FP; Schleper, P; Schmidt, D; Schmidt, D; Schmidt, S; Schmitt, S; Schneider, M; Schoeffel, L; Schoning, A; Schorner, T; Schroder, V; Schultz-Coulon, HC; Schwanenberger, C; Sedlak, K; Sefkow, F; Shekelyan, V; 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; Straumann, U; Swart, M; Tasevsky, M; Tchernyshov, V; Tchetchelnitski, S; Thompson, G; Thompson, PD; Tobien, N; Traynor, D; Truol, P; Tsipolitis, G; Tsurin, I; Turnau, J; Turney, JE; Tzamariudaki, E; Udluft, S; Urban, M; Usik, A; Valkar, S; Valkarova, A; Vallee, C; Van Mechelen, P; Vassiliev, S; Vazdik, Y; Vichnevski, A; Wacker, K; Wallny, R; Waugh, B; Weber, G; Weber, M; Wegener, D; Werner, C; Werner, M; Werner, N; White, G; Wiesand, S; Wilksen, T; Winde, M; Winter, GG; Wissing, C; Wobisch, M; Woehrling, EE; Wunsch, E; Wyatt, AC; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zomer, F; Zsembery, J; zur Nedden, M;
Indirizzi:
Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany ys, Wuppertal, Germany Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany Rhein WestfalTH Aachen Aachen Germany D-5100 1, D-5100 Aachen, Germany Rhein Westfal TH Aachen, Inst Phys 3, D-5100 Aachen, Germany Rhein WestfalTH Aachen Aachen Germany D-5100 3, D-5100 Aachen, Germany Univ Birmingham, Sch Phys & Space Res, Birmingham B15 2TT, W Midlands, England Univ Birmingham Birmingham W Midlands England B15 2TT W Midlands, England VUB, ULB, Interuniv Inst High Energies, Brussels, Belgium VUB Brussels Belgium B, Interuniv Inst High Energies, Brussels, Belgium Univ Instelling Antwerp, B-2610 Wilrijk, Belgium Univ Instelling Antwerp Wilrijk Belgium B-2610 , B-2610 Wilrijk, Belgium Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England Rutherford Appleton Lab Didcot Oxon England OX11 0QX 1 0QX, Oxon, England Inst Phys Nucl, Krakow, Poland Inst Phys Nucl Krakow PolandInst Phys Nucl, Krakow, Poland Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany Univ Dortmund Dortmund Germany D-44221 t Phys, D-44221 Dortmund, Germany Joint Nucl Res Inst, Dubna, Russia Joint Nucl Res Inst Dubna RussiaJoint Nucl Res Inst, Dubna, Russia CE Saclay, CEA, DSM, DAPNIA, Gif Sur Yvette, France CE Saclay Gif Sur Yvette France EA, DSM, DAPNIA, Gif Sur Yvette, France DESY, D-2000 Hamburg, Germany DESY Hamburg Germany D-2000DESY, D-2000 Hamburg, Germany Univ Hamburg, Inst Expt Phys 2, D-2000 Hamburg, Germany Univ Hamburg Hamburg Germany D-2000 Expt Phys 2, D-2000 Hamburg, Germany Max Planck Inst Kernphys, D-69117 Heidelberg, Germany Max Planck Inst Kernphys Heidelberg Germany D-69117 Heidelberg, Germany Univ Heidelberg, Inst Phys, D-6900 Heidelberg, Germany Univ Heidelberg Heidelberg Germany D-6900 ys, D-6900 Heidelberg, Germany Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany Univ HeidelbergHeidelberg Germany hhoff Inst Phys, Heidelberg, Germany Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany Univ Kiel Kiel GermanyUniv Kiel, Inst Expt & Angew Phys, Kiel, Germany Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia Slovak Acad Sci Kosice Slovakia 04353 Expt Phys, Kosice 04353, Slovakia Univ Lancaster, Sch Phys & Chem, Lancaster, England Univ Lancaster Lancaster England r, Sch Phys & Chem, Lancaster, England Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3BX , Merseyside, England Univ London Queen Mary & Westfield Coll, London E1 4NS, England Univ London Queen Mary & Westfield Coll London England E1 4NS S, England Univ Lund, Dept Phys, Lund, Sweden Univ Lund Lund SwedenUniv Lund, Dept Phys, Lund, Sweden Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England Univ Manchester Manchester Lancs England M13 9PL M13 9PL, Lancs, England Univ Mediterranee, CPPM, CNRS, IN2P3, Marseille, France Univ MediterraneeMarseille France CPPM, CNRS, IN2P3, Marseille, France PN Lebedev Phys Inst, Moscow 117924, Russia PN Lebedev Phys Inst Moscow Russia 117924 ys Inst, Moscow 117924, Russia Max Planck Inst Phys, D-80805 Munich, Germany Max Planck Inst Phys Munich Germany D-80805 hys, D-80805 Munich, Germany Univ Paris Sud, LAL, IN2P3, CNRS, Orsay, France Univ Paris Sud Orsay France Paris Sud, LAL, IN2P3, CNRS, Orsay, France Ecole Polytech, LPNHE, IN2P3, CNRS, Palaiseau, France Ecole Polytech Palaiseau France , LPNHE, IN2P3, CNRS, Palaiseau, France Univ Paris 06, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 06 Paris France Paris 06, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 07, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 07 Paris France Paris 07, LPNHE, IN2P3, CNRS, Paris, France Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic Acad Sci Czech Republ Prague Czech Republic hys, Prague, Czech Republic Charles Univ, Fac Math & Phys, Prague, Czech Republic Charles Univ Prague Czech Republic Math & Phys, Prague, Czech Republic Univ Roma Tre, Dipartimento Fis, Rome, Italy Univ Roma Tre Rome ItalyUniv Roma Tre, Dipartimento Fis, Rome, Italy INFN Roma 3, Rome, Italy INFN Roma 3 Rome ItalyINFN Roma 3, Rome, Italy Paul Scherrer Inst, Villigen, Switzerland Paul Scherrer Inst Villigen Switzerland rer Inst, Villigen, Switzerland Yerevan Phys Inst, Yerevan 375036, Armenia Yerevan Phys Inst Yerevan Armenia 375036 s Inst, Yerevan 375036, Armenia DESY, Zeuthen, Germany DESY Zeuthen GermanyDESY, Zeuthen, Germany ETH Zurich, Inst Teilchenphys, Zurich, Switzerland ETH Zurich Zurich Switzerland h, Inst Teilchenphys, Zurich, Switzerland Univ Zurich, Inst Phys, Zurich, Switzerland Univ Zurich Zurich Switzerland v Zurich, Inst Phys, Zurich, Switzerland Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece Natl Tech Univ Athens Athens Greece GR-15773 ys, GR-15773 Athens, Greece Berg Univ Gesamthsch Wuppertal, Rechenzentrum, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany um, Wuppertal, Germany Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany Univ Karlsruhe Karlsruhe Germany D-7500 nphys, D-7500 Karlsruhe, Germany CINVESTAV, Dept Fis Ap, Merida, Yucatan, Mexico CINVESTAV Merida Yucatan Mexico AV, Dept Fis Ap, Merida, Yucatan, Mexico Univ PJ Safarik, Kosice, Slovakia Univ PJ Safarik Kosice SlovakiaUniv PJ Safarik, Kosice, Slovakia CERN, CH-1211 Geneva 23, Switzerland CERN Geneva Switzerland 23CERN, CH-1211 Geneva 23, Switzerland CINVESTAV, Dept Fis, Mexico City, DF, Mexico CINVESTAV Mexico City DF Mexico ESTAV, Dept Fis, Mexico City, DF, Mexico
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 3-4, volume: 520, anno: 2001,
pagine: 191 - 203
SICI:
0370-2693(20011115)520:3-4<191:DMPIDD>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
LARGE-RAPIDITY-GAP; MONTE-CARLO GENERATOR; QUANTUM CHROMODYNAMICS; SCATTERING EVENTS; CROSS-SECTIONS; EP COLLISIONS; BARE POMERON; SMALL-X; DIS; DISSOCIATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
60
Recensione:
Indirizzi per estratti:
Indirizzo: Adloff, C Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany tal, Germany
Citazione:
C. Adloff et al., "D*(+/-) meson production in deep-inelastic diffractive interactions at HERA", PHYS LETT B, 520(3-4), 2001, pp. 191-203

Abstract

A measurement is presented of the cross section for D*+/- meson productionin diffractive deep-inelastic scattering for the first time at HERA. The cross section is given for the process ep --> eXY, where the system X contains at least one D*+/- meson and is separated by a large rapidity gap from alow mass proton remnant system Y. The cross section is presented in the diffractive deep-inelastic region defined by 2 < Q(2) < 100 GeV2, 0.05 < y < 0.7, x(P) < 0.04, M-Y < 1.6 GeV and \t \ < 1 GeV2. The D*+/- mesons are restricted to the range P-T,P-D* > 2 GeV and \ eta (D*)\ < 1.5. The cross section is found to be 246 +/- 54 +/- 56 ph and forms about 6% of the corresponding inclusive D*+/- cross section. The cross section is presented as a function of various kinematic variables, including z(P)(obs) which is an estimate of the fraction of the momentum of the diffractive exchange carried by the parton entering the hard-subprocess. The data show a large component ofthe cross section at low Z(obs)(P) where the contribution of the boson-gluon-fusion process is expected to dominate. The data are compared with several QCD-based calculations. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 01/04/20 alle ore 23:55:21