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Titolo:
DEEP-INELASTIC SCATTERING EVENTS WITH A LARGE RAPIDITY GAP AT HERA
Autore:
AHMED T; AID S; ANDREEV V; ANDRIEU B; APPUHN RD; ARPAGAUS M; BABAEV A; BAEHR J; BAN J; BARANOV P; BARRELET E; BARTEL W; BARTH M; BASSLER U; BECK HP; BEHREND HJ; BELOUSOV A; BERGER C; BERGSTEIN H; BERNARDI G; BERNET R; BERTRANDCOREMANS G; BESANCON M; BIDDULPH P; BIZOT JC; BLOBEL V; BORRAS K; BOTTERWECK F; BOUDRY V; BRAEMER A; BRASSE F; BRAUNSCHWEIG W; BRISSON V; BRUNCKO D; BRUNE C; BUCHHOLZ R; BUNGENER L; BURGER J; BUSSER FW; BUNIATIAN A; BURKE S; BUSCHHORN G; CAMPBELL AJ; CARLI T; CHARLES F; CLARKE D; CLEGG AB; CLERBAUX B; COLOMBO M; CONTRERAS JG; COUGHLAN JA; COURAU A; COUTURES C; COZZIKA G; CRIEGEE L; CUSSANS DG; CVACH J; DAGORET S; DAINTON JB; DANILOV M; DAU WD; DAUM K; DAVID M; DEFFUR E; DELCOURT B; DELBUONO L; DEROECK A; DEWOLF EA; DINEZZA P; DOLLFUS C; DOWELL JD; DREIS HB; DUBOC J; DULLMANN D; DUNGER O; DUHM H; EBERT J; EBERT TR; ECKERLIN G; EFREMENKO V; EGLI S; EHRLICHMANN H; EICHENBERGER S; EICHLER R; EISELE F; EISENHANDLER E; ELLISON RJ; ELSEN E; ERDMANN M; EVRARD E; 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; FORBUSH M; FORMANEK J; FOSTER JM; FRANKE G; FRETWURST E; GABATHULER E; GABATHULER K; GAMERDINGER K; GARVEY J; GAYLER J; GEBAUER M; GELLRICH A; GENZEL H; GERHARDS R; GOERLACH U; GOERLICH L; GOGITIDZE N; GOLDBERG M; GOLDNER D; GONZALEZPINEIRO B; GOODALL AM; GORELOV I; GORITCHEV P; GRAB C; GRASSLER H; GRASSLER R; GREENSHAW T; GRINDHAMMER G; GRUBER A; GRUBER C; HAACK J; HAIDT D; HAJDUK L; HAMON O; HAMPEL M; HANLON EM; HAPKE M; HAYNES WJ; HEATHERINGTON J; HEDBERG V; HEINZELMANN G; HENDERSON RCW; HENSCHEL H; HERMA R; HERYNEK I; HESS MF; HILDESHEIM W; HILL P; HILLER KH; HILTON CD; HLADKY J; HOEGER KC; HOPPNER M; HORISBERGER R; HUET P; HUFNAGEL H; IBBOTSON M; ITTERBECK H; JABIOL MA; JACHOLKOWSKA A; JACOBSSON C; JAFFRE M; JANOTH J; JANSEN T; JONSSON L; JOHANNSEN K; JOHNSON DP; JOHNSON L; JUNG H; KALMUS PIP; KANT D; KASCHOWITZ R; KASSELMANN P; KATHAGE U; KAUFMANN HH; KAZARIAN S; KENYON IR; KERMICHE S; KEUKER C; KIESLING C; KLEIN M; KLEINWORT C; KNIES G; KO W; KOHLER T; KOLANOSKI H; KOLE F; KOLYA SD; KORBEL V; KORN M; KOSTKA P; KOTELNIKOV SK; KRASNY MW; KREHBIEL H; KRUCKER D; KRUGER U; KRUNERMARQUIS U; KUBENKA JP; KUSTER H; KUHLEN M; KURCA T; KURZHOFER J; KUZNIK B; LACOUR D; LAMARCHE F; LANDER R; LANDON MPJ; LANGE W; LANIUS P; LAPORTE JF; LEBEDEV A; LEVERENZ C; LEVONIAN S; LEY C; LINDNER A; LINDSTROM G; LINSEL F; LIPINSKI J; LIST B; LOCH P; LOHMANDER H; LOPEZ GC; LUKE D; MAGNUSSEN N; MALINOVSKI E; MANI S; MARACEK R; MARAGE P; MARKS J; MARSHALL R; MARTENS J; MARTIN R; MARTYN HU; MARTYNIAK J; MASON S; MAVROIDIS T; MAXFIELD SJ; MCMAHON SJ; MEHTA A; MEIER K; MERCER D; MERZ T; MEYER CA; MEYER H; MEYER J; MIKOCKI S; MILSTEAD D; MOREAU F; MORRIS JV; MULLER G; MULLER K; MURIN P; NAGOVIZIN V; NAHNHAUER R; NAROSKA B; NAUMANN T; NEWMAN PR; NEWTON D; NEYRET D; NGUYEN HK; NIEBERGALL F; NIEBUHR C; NISIUS R; NOWAK G; NOYES GW; NYBERGWERTHER M; OBERLACK H; OBROCK U; OLSSON JE; PANARO E; PANITCH A; PASCAUD C; PATEL GD; PEPPEL E; PEREZ E; PHILLIPS JP; PICHLER C; PITZL D; POPE G; PRELL S; PROSI R; RADEL G; RAUPACH F; REIMER P; REINSHAGEN S; RIBARICS P; RIECH V; RIEDLBERGER J; RIESS S; RIETZ M; ROBERTSON SM; ROBMANN P; ROLOFF HE; ROOSEN R; ROSENBAUER K; ROSTOVTSEV A; ROUSE F; ROYON C; RUTER K; RUSAKOV S; RYBICKI K; RYLKO R; SAHLMANN N; SANCHEZ E; SANKEY DPC; SAVITSKY M; SCHACHT P; SCHIEK S; SCHLEPER P; VONSCHLIPPE W; SCHMIDT C; SCHMIDT D; SCHMIDT G; SCHONING A; SCHRODER V; SCHUHMANN E; SCHWAB B; SCHWIND A; SEEHAUSEN U; SEFKOW F; SEIDEL M; SELL R; SEMENOV A; SHEKELYAN V; SHEVIAKOV I; SHOOSHTARI H; SHTARKOV LN; SIEGMON G; SIEWERT U; SIROIS Y; SKILLICORN IO; SMIRNOV P; SMITH JR; SOLOVIEV Y; SPITZER H; STAROSTA R; STEENBOCK M; STEFFEN P; STEINBERG R; STELLA B; STEPHENS K; STIER J; STIEWE J; STOSSLEIN U; STRACHOTA J; STRAUMANN U; STRUCZINSKI W; SUTTON JP; TAPPROGGE S; TAYLOR RE; TCHERNYSHOV V; THIEBAUX C; THOMPSON G; TICHOMIROV I; TRUOL P; TURNAU J; TUTAS J; UELKES P; USIK A; VALKAR S; VALKAROVA A; VALLEE C; VANESCH P; VANMECHELEN P; VARTAPETIAN A; VAZDIK Y; VECKO M; VERRECCHIA P; VILLET G; WACKER K; WAGENER A; WALKER IW; WALTHER A; WEBER G; WEBER M; WEGENER D; WEGNER A; WELLISCH HP; WEST LR; WILLARD S; WINDE M; WINTER GG; WOLFF T; WRIGHT AE; WUNSCH E; WULFF N; YIOU TP; ZACEK J; ZHANG Z; ZIMMER M; ZIMMERMANN W; ZOMER F; ZUBER K;
Indirizzi:
UNIV BIRMINGHAM,SCH PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND RHEIN WESTFAL TH AACHEN,INST PHYS 3 W-5100 AACHEN GERMANY FREE UNIV BRUSSELS,INTERUNIV INST HIGH ENERGIES BRUSSELS BELGIUM UNIV INSTELLING ANTWERP WILRIJK BELGIUM RUTHERFORD APPLETON LAB DIDCOT OXON ENGLAND INST NUCL PHYS KRAKOW POLAND UNIV CALIF DAVIS,DEPT PHYS DAVIS CA 00000 UNIV CALIF DAVIS,IIRPA DAVIS CA 00000 UNIV DORTMUND,INST PHYS W-4600 DORTMUND GERMANY CEA SACLAY,DSM,DAPNIA GIF SUR YVETTE FRANCE UNIV GLASGOW,DEPT PHYS & ASTRON GLASGOW LANARK SCOTLAND DESY HAMBURG GERMANY UNIV HAMBURG,INST EXPTL PHYS 2 W-2000 HAMBURG GERMANY UNIV HAMBURG,INST EXPTL PHYS 1 HAMBURG GERMANY UNIV HEIDELBERG,INST PHYS W-6900 HEIDELBERG GERMANY UNIV HEIDELBERG,INST HOCHENERGIEPHYS HEIDELBERG GERMANY CHRISTIAN ALBRECHTS UNIV KIEL,INST REINE & ANGEW KERNPHYS W-2300 KIELGERMANY SLOVAK ACAD SCI,INST EXPTL PHYS KOSICE 04353 SLOVAKIA UNIV LANCASTER,SCH PHYS & MAT LANCASTER ENGLAND UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV LONDON QUEEN MARY & WESTFIELD COLL LONDON ENGLAND LUND UNIV,DEPT PHYS LUND SWEDEN UNIV MANCHESTER,DEPT PHYS MANCHESTER M13 9PL LANCS ENGLAND INST THEORET & EXPTL PHYS MOSCOW RUSSIA PN LEBEDEV PHYS INST MOSCOW RUSSIA UNIV AIX MARSEILLE 2,IN2P3,CNRS,CPPM MARSEILLE FRANCE MAX PLANCK INST PHYS & ASTROPHYS MUNICH GERMANY UNIV PARIS 11,LAL,IN2P3,CNRS ORSAY FRANCE ECOLE POLYTECH,LPNHE,IN2P3,CNRS PALAISEAU FRANCE UNIV PARIS 06,LPNHE PARIS FRANCE UNIV PARIS 07,IN2P3,CNRS PARIS FRANCE ACAD SCI CZECH REPUBL,INST PHYS PRAGUE CZECH REPUBLIC CHARLES UNIV,CTR NUCL PRAGUE CZECH REPUBLIC UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS I-00185 ROME ITALY INFN ROMA ROME ITALY PAUL SCHERRER INST VILLIGEN SWITZERLAND BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS WUPPERTAL GERMANY DESY,INST HOCHENERGIEPHYS ZEUTHEN GERMANY ETH ZURICH,INST TEILCHENPHYS ZURICH SWITZERLAND UNIV ZURICH,INST PHYS ZURICH SWITZERLAND STANFORD LINEAR ACCELERATOR CTR STANFORD CA 00000 YEREVAN PHYS INST YEREVAN ARMENIA RHEIN WESTFAL TH AACHEN,INST PHYS 1 W-5100 AACHEN GERMANY
Titolo Testata:
Nuclear physics. B
fascicolo: 3, volume: 429, anno: 1994,
pagine: 477 - 502
SICI:
0550-3213(1994)429:3<477:DSEWAL>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
LUND MONTE-CARLO; CROSS-SECTION; PHOTOPRODUCTION; DISTRIBUTIONS; HYDROGEN; ENERGIES; PHOTON; RHO-0;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
49
Recensione:
Indirizzi per estratti:
Citazione:
T. Ahmed et al., "DEEP-INELASTIC SCATTERING EVENTS WITH A LARGE RAPIDITY GAP AT HERA", Nuclear physics. B, 429(3), 1994, pp. 477-502

Abstract

Evidence is presented using data taken with the H1 detector at HERA for a class of deep inelastic electron-proton scattering (DIS) events (5 < Q(2) < 120GeV(2)) at low Bjorken-x (10(-4) < x < 10(-2)) which have almost no hadronic energy flow in a large interval of pseudo-rapidity around the proton remnant direction and which cannot be attributed to our present understanding of DIS and fluctuations in final state hadronic fragmentation. From an integrated luminosity of 273 nb(-1) 734 events, that is about 5% of the total DIS sample, have no energy deposition greater than 400 MeV forward of laboratory pseudo-rapidity eta(max) = 1.8 up to the largest measurable pseudorapidity of about 3.65. Evidence that about 10% of observed rapidity gap events are exclusive vector meson electroproduction is presented. Good descriptions of the data are obtained using models based either on a vector meson dominance like picture, which includes a large fraction of inelastic virtual photon dissociation, or on deep inelastic electron-pomeron scattering in which the partonic sub-structure of the latter is resolved.

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Documento generato il 05/12/20 alle ore 01:06:07