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Titolo:
PHOTOPRODUCTION OF D-ASTERISK+ - MESONS IN ELECTRON-PROTON COLLISIONSAT HERA/
Autore:
AID S; ANDREEV V; ANDRIEU B; APPUHN RD; ARPAGAUS M; BABAEV A; BAHR J; BAN J; BAN Y; BARANOV P; BARRELET E; BARSCHKE R; BARTEL W; BARTH M; BASSLER U; BECK HP; BEHREND HJ; BELOUSOV A; BERGER C; BERNARDI G; BERNET R; BERTRANDCOREMANS G; BESANCON M; BEYER R; BIDDULPH P; BISPHAM P; BIZOT JC; BLOBEL V; BORRAS K; BOTTERWECK F; BOUDRY V; BRAEMER A; BRAUNSCHWEIG W; BRISSON V; BRUNCKO D; BRUNE C; BUCHHOLZ R; BUNGENER L; BURGER J; BUSSER FW; BUNIATIAN A; BURKE S; BURTON MJ; BUSCHHORN G; CAMPBELL AJ; CARLI T; CHARLET M; CLARKE D; CLEGG AB; CLERBAUX B; COCKS S; CONTRERAS JG; CORMACK C; COUGHLAN JA; COURAU A; COUSINOU MC; COZZIKA G; CRIEGEE L; CUSSANS DG; CVACH J; DAGORET S; DAINTON JB; DAU WD; DAUM K; DAVID M; DAVIS CL; DELCOURT B; DEROECK A; DEWOLF EA; DIRKMANN M; DIXON P; DINEZZA P; DLUGOSZ W; DOLLFUS C; DOWELL JD; DREIS HB; DROUTSKOI A; DULLMANN D; DUNGER O; DUHM H; EBERT J; EBERT TR; ECKERLIN G; EFREMENKO V; EGLI S; EICHLER R; EISELE F; EISENHANDLER E; ELLISON RJ; ELSEN E; ERDMANN M; ERDMANN W; EVRARD E; FAHR AB; FAVART L; FEDOTOV A; FEEKEN D; FELST R; FELTESSE J; FERENCEI J; FERRAROTTO F; FLAMM K; FLEISCHER M; FLIESER M; FLUGGE G; FOMENKO A; FOMINYKH B; FORMANEK J; FOSTER JM; FRANKE G; FRETWURST E; GABATHULER E; GABATHULER K; GAEDE F; GARVEY J; GAYLER J; GEBAUER M; GELLRICH A; GENZEL H; GERHARDS R; GLAZOV A; GOERLACH U; GOERLICH L; GOGITIDZE N; GOLDBERG M; GOLDNER D; GOLECBIERNAT K; GONZALEZPINEIRO B; GORELOV I; GRAB C; GRASSLER H; GRASSLER R; GREENSHAW T; GRIFFITHS RK; GRINDHAMMER G; GRUBER A; GRUBER C; HAACK J; HADIG T; HAIDT D; HAJDUK L; HAMPEL M; HAYNES WJ; HEINZELMANN G; HENDERSON RCW; HENSCHEL H; HERYNEK I; HESS MF; HILDESHEIM W; HILLER KH; HILTON CD; HLADKY J; HOEGER KC; HOPPNER M; HOFFMANN D; HOLTOM T; HORISBERGER R; HUDGSON VL; HUTTE M; HUFNAGEL H; IBBOTSON M; ITTERBECK H; JACHOLKOWSKA A; JACOBSSON C; JAFFRE M; JANOTH J; JANSEN T; JONSSON L; JOHANNSEN K; JOHNSON DP; JOHNSON L; JUNG H; KALMUS PIP; KANDER M; KANT D; KASCHOWITZ R; KATHAGE U; KATZY J; KAUFMANN HH; KAUFMANN O; KAZARIAN S; KENYON IR; KERMICHE S; KEUKER C; KIESLING C; KLEIN M; KLEINWORT C; KNIES G; KOHLER T; KOHNE JH; KOLANOSKI H; KOLE F; KOLYA SD; KORBEL V; KORN M; KOSTKA P; KOTELNIKOV SK; KRAMERKAMPER T; KRASNY MW; KREHBIEL H; KRUCKER D; KRUGER U; KRUNERMARQUIS U; HUSTER H; KUHLEN M; KURCA T; KURZHOFER J; LACOUR D; LAFORGE B; LANDER R; LANDON MPJ; LANGE W; LANGENEGGER U; LAPORTE JF; LEBEDEV A; LEHNER F; LEVERENZ C; LEVONIAN S; LEY C; LINDSTROM G; LINSTROEM M; LINK J; LINSEL F; LIPINSKI J; LIST B; LOBO G; LOHMANDER H; LOMAS JW; LOPEZ GC; LUBIMOV V; LUKE D; MAGNUSSEN N; MALINOVSKI E; MANI S; MARACEK R; MARAGE P; MARKS J; MARSHALL R; MARTENS J; MARTIN G; MARTIN R; MARTYN HU; MARTYNIAK J; MAVROIDIS T; MAXFIELD SJ; MCMAHON SJ; MEHTA A; MEIER K; MERZ T; MEYER A; MEYER A; MEYER H; MEYER J; MEYER PO; MIGLIORI A; MIKOCKI S; MILSTEAD D; MOECK J; MOREAU F; MORRIS JV; MROCZKO E; MULLER D; MULLER G; MULLER K; MURIN P; NAGOVIZIN V; NAHNHAUER R; NAROSKA B; NAUMANN T; NEWMAN PR; NEWTON D; NEYRET D; NGUYEN HK; NICHOLLS TC; NIEBERGALL F; NIEBUHR C; NIEDZBALLA C; NIGGLI H; NISIUS R; NOWAK G; NOYES GW; NYBERGWERTHER M; OAKDEN M; OBERLACK H; OBROCK U; OLSSON JE; OZEROV D; PALMEN P; PANARO E; PANITCH A; PASCAUD C; PATEL GD; PAWLETTA H; PEPPEL E; PEREZ E; PHILLIPS JP; PIEUCHOT A; PITZL D; POPE G; PRELL S; PROSI R; RABBERTZ K; RADEL G; RAUPACH F; REIMER P; REINSHAGEN S; RICK H; RIECH V; RIEDBERGER J; RIEPENHAUSEN F; RIESS S; RIZVI E; ROBERTSON SM; ROBMANN P; ROLOFF HE; ROOSEN R; ROSENBAUER K; ROSTOVTSEV A; ROUSE F; ROYON C; RUTER K; RUSAKOV S; RYBICKI K; SAHLMANN N; SANKEY DPC; SCHACHT P; SCHIEK S; SCHLEIF S; SCHLEPER P; VONSCHLIPPE W; SCHMIDT D; SCHMIDT G; SCHONING A; SCHRODER V; SCHUHMANN E; SCHWAB B; SEFKOW F; SEIDEL M; SELL R; SEMENOV A; SHEKELYAN V; SHEVIAKOV I; SHTARKOV LN; SIEGMON G; SIEWERT U; SIROIS Y; SKILLICORN IO; SMIRNOV P; SMITH JR; SOLOCHENKO V; SOLOVIEV Y; SPECKA A; SPIEKERMANN J; SPIELMAN S; SPITZER H; SQUINABOL F; STAROSTA R; STEENBOCK M; STEFFEN P; STEINBERG R; STEINER H; STELLA B; STELLBERGER A; STIER J; STIEWE J; STOSSLEIN U; STOLZE K; STRAUMANN U; STRUCZINSKI W; SUTTON JP; TAPPROGGE S; TASEVSKY M; TCHERNYSHOV V; TCHETCHELNITSKI S; THEISSEN J; THIEBAUX C; THOMPSON G; TRUOL P; TURNAU J; TUTAS J; UELKES P; USIK A; VALKAR S; VALKAROVA A; VALLEE C; VANDENPLAS D; VANESCH P; VANMECHELEN P; VAZDIK Y; VERRECCHIA P; VILLET G; WACKER K; WAGENER A; WAGENER M; WALTHER A; WAUGH B; WEBER G; WEBER M; WEGENER M; WALTHER A; WAUGH B; WEBER G; WEBER M; WEGENER D; WEGNER A; WENGLER T; WERNER M; WEST LR; WILKSEN T; WILLARD S; WINDE M; WINTER GG; WITTEK C; WUNSCH E; ZACEK J; ZARBOCK D; ZHANG Z; ZHOKIN A; ZOMER F; ZSEMBERY J; ZUBER K; ZURNEDDEN M;
Indirizzi:
UNIV HAMBURG,INST EXPTL PHYS 2 D-2000 HAMBURG GERMANY RHEIN WESTFAL TH AACHEN,INST PHYS 1 D-5100 AACHEN GERMANY RHEIN WESTFAL TH AACHEN,INST PHYS 3 D-5100 AACHEN GERMANY HUMBOLDT UNIV BERLIN,INST PHYS BERLIN GERMANY UNIV BIRMINGHAM,SCH PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND VUB,ULB,INTERUNIV INST HIGH ENERGIES BRUSSELS BELGIUM UNIV INSTELLING ANTWERP B-2610 WILRIJK BELGIUM RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND INST NUCL PHYS KRAKOW POLAND UNIV CALIF DAVIS,DEPT PHYS DAVIS CA 95616 UNIV CALIF DAVIS,IIRPA DAVIS CA 95616 UNIV DORTMUND,INST PHYS D-4600 DORTMUND GERMANY CE SACLAY,CEA,DSM,DAPNIA GIF SUR YVETTE FRANCE UNIV GLASGOW,DEPT PHYS & ASTRON GLASGOW LANARK SCOTLAND DESY D-2000 HAMBURG GERMANY UNIV HAMBURG,INST EXPT PHYS 1 HAMBURG GERMANY UNIV HAMBURG,INST EXPTL PHYS 2 D-2000 HAMBURG GERMANY UNIV HEIDELBERG,INST PHYS D-6900 HEIDELBERG GERMANY UNIV HEIDELBERG,INST HOCHENERGIEPHYS HEIDELBERG GERMANY CHRISTIAN ALBRECHTS UNIV KIEL,INST REINE & ANGEW KERNPHYS D-2300 KIELGERMANY SLOVAK ACAD SCI,INST EXPTL PHYS KOSICE 04353 SLOVAKIA UNIV LANCASTER,SCH PHYS & CHEM LANCASTER ENGLAND UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV LONDON QUEEN MARY & WESTFIELD COLL LONDON E1 4NS ENGLAND LUND UNIV,DEPT PHYS LUND SWEDEN UNIV MANCHESTER,DEPT PHYS MANCHESTER M13 9PL LANCS ENGLAND UNIV AIX MARSEILLE 2,CPPM,IN2P3,CNRS MARSEILLE FRANCE INST THEORET & EXPTL PHYS MOSCOW 117259 RUSSIA PN LEBEDEV PHYS INST MOSCOW 117924 RUSSIA MAX PLANCK INST PHYS & ASTROPHYS MUNICH GERMANY UNIV PARIS 11,LAL,IN2P3,CNRS ORSAY FRANCE ECOLE POLYTECH,CNRS,LPNHE,IN2P3 F-91128 PALAISEAU FRANCE UNIV PARIS 06,CNRS,LPNHE,IN2P3 PARIS FRANCE UNIV PARIS 07,CNRS,LPNHE,IN2P3 PARIS FRANCE ACAD SCI CZECH REPUBL,INST PHYS PRAGUE CZECH REPUBLIC CHARLES UNIV,NUCL CTR PRAGUE CZECH REPUBLIC INFN ROMA ROME ITALY UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS I-00185 ROME ITALY PAUL SCHERRER INST VILLIGEN SWITZERLAND BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS D-5600 WUPPERTAL GERMANY INST HOCHENERGIEPHYS,DESY D-1615 ZEUTHEN GERMANY ETH,INST TEILCHENPHYS ZURICH SWITZERLAND UNIV ZURICH,INST PHYS ZURICH SWITZERLAND
Titolo Testata:
Nuclear physics. B
fascicolo: 1-2, volume: 472, anno: 1996,
pagine: 32 - 51
SICI:
0550-3213(1996)472:1-2<32:POD-MI>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIWIRE PROPORTIONAL CHAMBER; CHARM PHOTOPRODUCTION; PARTON DISTRIBUTIONS; IRON INTERACTIONS; CROSS-SECTIONS; H1 EXPERIMENT; HEAVY QUARKS; PHOTON; TRIGGER;
Keywords:
PHOTOPRODUCTION; CHARMED MESONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
60
Recensione:
Indirizzi per estratti:
Citazione:
S. Aid et al., "PHOTOPRODUCTION OF D-ASTERISK+ - MESONS IN ELECTRON-PROTON COLLISIONSAT HERA/", Nuclear physics. B, 472(1-2), 1996, pp. 32-51

Abstract

At the electron-proton collider HERA the inclusive D-+/- meson photoproduction cross section has been measured with the H1 detector in twodifferent, but partly overlapping, kinematical regions. For the first, where [W-gamma p] approximate to 200 GeV and Q(2) < 0.01 GeV2, the result is sigma(gamma p --> c(c) over barX$) = (13.2 +/- 2.2(-1.7-4.8)(2.1+9.9)) mu b. The second measurement for Q(2) < 4 GeV2 yields sigma(gamma p) --> c(c) over barX$) = (9.3 +/- 2.1(-1.8-3.2)(+1.9+6.9)) mu b at [W-gamma p] approximate to 142 GeV and sigma(gamma p --> c(c) over barX$) = (20.6 +/- 5.5(-3.9-7.2)(+4.3+15.4)) mu b at [W-gamma p] approximate to 230 GeV, respectively. The third error accounts for an additional uncertainty due to the proton and photon parton density parametrizations. Differential cross sections are presented as a function ofthe D-+/- transverse momentum and rapidity. The results compare reasonably well with next-to-leading order QCD calculations. Evidence for diffractive photoproduction of charm quarks is presented.

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Documento generato il 25/11/20 alle ore 18:32:20