Observation of Jet Production In Deep-inelastic Scattering With A Large Rapidity Gap At Hera
Articolo
Data di Pubblicazione:
1994
Abstract:
Events with a large rapidity gap in deep inelastic scattering with Q2 greater-than-or-equal-to 10 GeV2 have been studied in the ZEUS detector. The properties of these events with W > 140 GeV are consistent with a leading twist diffractive production mechanism. In the laboratory frame, with E(T)jet greater-than-or-equal-to 4 GeV, 15% of the events are of the 1-jet type with negligible 2-jet production. The single jet is back-to-back in azimuth with the scattered electron. No energy flow is observed between the jet and the proton direction. With a lower jet transverse energy cut 2-jet production is observed both in the laboratory and the gamma*p centre-of-mass systems, demonstrating the presence of hard scattering in the virtual photon proton interactions that give rise to large rapidity gap events.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
LUND MONTE-CARLO; DIFFRACTION DISSOCIATION; POMERON STRUCTURE; E+E-PHYSICS; ZEUS; VERSION; FRAGMENTATION; CALORIMETER; DETECTOR; EVENTS
Elenco autori:
M. DERRICK;D. KRAKAUER;S. MAGILL;B. MUSGRAVE;J. REPOND;J. SCHLERETH;R. STANEK;R. L. TALAGA;J. THRON;F. ARZARELLO;R. AYAD;G. BARI;M. BASILE;L. BELLAGAMBA;D. BOSCHERINI;A. BRUNI;G. BRUNI;P. BRUNI;G. C. ROMEO;G. CASTELLINI;M. CHIARINI;L. CIFARELLI;F. CINDOLO;F. CIRALLI;A. CONTIN;S. DAURIA;C. DELPAPA;F. FRASCONI;P. GIUSTI;G. IACOBUCCI;G. LAURENTI;G. LEVI;G. MACCARRONE;A. MARGOTTI;T. MASSAM;R. NANIA;C. NEMOZ;F. PALMONARI;G. SARTORELLI;R. TIMELLINI;Y. Z. GARCIA;A. ZICHICHI;A. BARGENDE;J. CRITTENDEN;K. DESCH;B. DIEKMANN;T. DOEKER;L. FELD;A. FREY;M. GEERTS;G. GEITZ;H. HARTMANN;D. HAUN;K. HEINLOTH;E. HILGER;H. P. JAKOB;U. F. KATZ;S. KRAMARCZYK;A. MASS;S. MENGEL;J. MOLLEN;E. PAUL;C. REMBSER;R. SCHATTEVOY;J. L. SCHNEIDER;D. SCHRAMM;J. STAMM;R. WEDEMEYER;S. CAMPBELLROBSON;A. CASSIDY;N. DYCE;B. FOSTER;S. GEORGE;R. GILMORE;G. P. HEATH;H. F. HEATH;T. J. LLEWELLYN;C. J. S.;D. J. P.;J. A. OMARA;R. J. TAPPER;S. S. WILSON;R. YOSHIDA;R. R. RAU;M. ARNEODO;M. SCHIOPPA;G. SUSINNO;A. BERNSTEIN;A. CALDWELL;G. I;J. A. PARSONS;S. RITZ;F. SCIULLI;P. B. STRAUB;L. WAI;S. YANG;P. BORZEMSKI;J. CHWASTOWSKI;A. ESKREYS;K. PIOTRZKOWSKI;M. ZACHARA;L. ZAWIEJSKI;L. ADAMCZYK;B. BEDNAREK;K. ESKREYS;K. JELEN;D. KISIELEWSKA;T. KOWALSKI;E. RULIKOWSKAZAREBSKA;L. SUSZYCKI;J. ZAJAC;T. KEDZIERSKI;A. KOTANSKI;M. PRZYBYCIEN;L. A. T.;U. BEHRENS;J. K. BIENLEIN;S. BOTTCHER;C. COLDEWEY;G. DREWS;M. FLASINSKI;F. I;D. J. GILKINSON;P. GOTTLICHER;B. GUTJAHR;T. HAAS;L. HAGGE;W. HAIN;D. HASELL;H. HESSLING;H. HULTSCHIG;P. JOOS;M. KASEMANN;R. KLANNER;W. KOCH;L. KOPKE;U. KOTZ;H. KOWALSKI;W. KROGER;J. KRUGER;J. LABS;A. LADAGE;B. LOHR;M. LOWE;D. LUKE;J. MAINUSCH;O. MANCZAK;J. S. T.;S. NICKEL;D. NOTZ;K. OHRENBERG;M. ROHDE;J. ROLDAN;U. SCHNEEKLOTH;J. SCHROEDER;W. SCHULZ;F. SELONKE;E. STILIARIS;T. TSURUGAI;W. VOGEL;D. WESTPHAL;G. WOLF;C. YOUNGMAN;H. J. GRABOSCH;A. LEICH;A. MEYER;C. RETHFELDT;S. SCHLENSTEDT;G. BARBAGLI;M. NUTI;P. PELFER;G. ANZIVINO;S. DEPASQUALE;S. QIAN;L. VOTANO;A. BAMBERGER;A. FREIDHOF;T. POSER;S. SOLDNERREMBOLD;G. THEISEN;T. TREFZGER;N. H. BROOK;P. J. BUSSEY;A. T. DOYLE;F. Jr;V. A. JAMIESON;C. RAINE;D. H. SAXON;M. STAVRIANAKOU;A. S. WILSON;A. DANNEMANN;U. HOLM;D. HORSTMANN;H. KAMMERLOCHER;B. KREBS;T. NEUMANN;R. SINKUS;K. WICK;E. BADURA;B. D. BUROW;A. FURTJES;E. LOHRMANN;J. MILEWSKI;M. NAKAHATA;N. PAVEL;G. POELZ;W. SCHOTT;J. TERRON;F. ZETSCHE;T. C. BACON;R. BEUSELINCK;B. I;E. GALLO;V. L. HARRIS;K. R. LONG;D. B. MILLER;P. MORAWITZ;A. PRINIAS;J. K. SEDGBEER;A. VORVOLAKOS;A. WHITFIELD;T. BIENZ;H. KREUTZMANN;U. MALLIK;E. MCCLIMENT;M. ROCO;M. Z. WANG;P. CLOTH;D. FILGES;S. H. AN;S. M. HONG;C. O. KIM;T. Y. KIM;S. W. NAM;S. K. PARK;M. H. SUH;S. H. YON;R. IMLAY;S. KARTIK;H. J. KIM;R. R. MCNEIL;W. METCALF;V. K. NADENDLA;F. BARREIRO;G. CASES;R. GRACIANI;J. M. HERNANDEZ;L. HERVAS;L. LABARGA;J. DELPESO;J. PUGA;J. F. DETROCONIZ;F. IKRAIAM;J. K. MAYER;G. R. SMITH;F. CORRIVEAU;D. S. HANNA;J. HARTMANN;L. W. HUNG;J. N. LIM;C. G. MATTHEWS;J. W. MITCHELL;P. M. PATEL;L. E. SINCLAIR;D. G. STAIRS;M. STLAURENT;R. ULLMANN;B. V;B. A. DOLGOSHEIN;A. STIFUTKIN;G. L. BASHINDZHAGYAN;P. F. ERMOLOV;L. K. GLADILIN;Y. A. GOLUBKOV;V. D. KOBRIN;V. A. KUZMIN;E. N. KUZNETSOV;A. A. SAVIN;A. N. SOLOMIN;A. G. VORONIN;N. P. ZOTOV;S. BENTVELSEN;M. BOTJE;F. CHLEBANA;A. DAKE;J. ENGELEN;P. DEJONG;M. DEKAMPS;P. KOOIJMAN;A. KRUSE;O. V;A. TENNER;H. TIECKE;W. VERKERKE;M. VREESWIJK;L. WIGGERS;E. DEWOLF;R. VANWOUDENBERG;D. ACOSTA;B. BYLSMA;L. S. DURKIN;K. HONSCHEID;C. LI;T. Y. LING;K. W. MCLEAN;W. N. MURRAY;I. H. PARK;T. A. ROMANOWSKI;R. SEIDLEIN;D. S. BAILEY;G. A. BLAIR;A. BYRNE;R. J. CASHMORE;A. M. COOPERSARKAR;D. DANIELS;R. C. E.;N. HARNEW;M. LANCASTER;P. E. LUFFMAN;J. MCFALL;C. NATH;A. QUADT;H. UIJTERWAAL;R.
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