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Titolo:
A SEARCH FOR EXCITED FERMIONS IN E(+)P COLLISIONS AT HERA
Autore:
BREITWEG J; DERRICK M; KRAKAUER D; MAGILL S; MIKUNAS D; MUSGRAVE B; REPOND J; STANEK R; TALAGA RL; YOSHIDA R; ZHANG H; MATTINGLY MCK; ANSELMO F; ANTONIOLI P; BARI G; BASILE M; BELLAGAMBA L; BOSCHERINI D; BRUNI A; BRUNI G; ROMEO GC; CASTELLINI G; CIFARELLI L; CINDOLO F; CONTIN A; CORRADI M; DEPASQUALE S; GIALAS I; GIUSTI P; IACOBUCCI G; LAURENTI G; LEVI G; MARGOTTI A; MASSAM T; NANIA R; PALMONARI F; PESCI A; POLINI A; RICCI F; SARTORELLI G; GARCIA YZ; ZICHICHI A; AMELUNG C; BORNHEIM A; BROCK I; COBOKEN K; CRITTENDEN J; DEFFNER R; ECKERT M; FELD L; GROTHE M; HARTMANN H; HEINLOTH K; HEINZ L; HILGER E; JAKOB HP; KATZ UF; KERGER R; PAUL E; PFEIFFER M; REMBSER C; STAMM J; WEDEMEYER R; WIEBER H; BAILEY DS; CAMPBELLROBSON S; COTTINGHAM WN; FOSTER B; HALLWILTON R; HAYES ME; HEATH GP; HEATH HF; PICCIONI D; ROFF DG; TAPPER RJ; ARNEODO M; AYAD R; CAPUA M; GARFAGNINI A; IANNOTTI L; SCHIOPPA M; SUSINNO G; KIM JY; LEE JH; LIM IT; PAC MY; CALDWELL A; CARTIGLIA N; JING Z; LIU W; MELLADO B; PARSONS JA; RITZ S; SAMPSON S; SCIULLI F; STRAUB PB; ZHU Q; BORZEMSKI P; CHWASTOWSKI J; ESKREYS A; JAKUBOWSKI Z; PRZYBYCIEN MB; ZACHARA M; ZAWIEJSKI L; ADAMCZYK L; BEDNAREK B; JELEN K; KISIELEWSKA D; KOWALSKI T; PRZYBYCIEN M; RULIKOWSKAZAREBSKA E; SUSZYCKI L; ZAJAC J; DULINSKI Z; KOTANSKI A; ABBIENDI G; BAUERDICK LAT; BEHRENS U; BEIER H; BIENLEIN JK; CASES G; DEPPE O; DESLER K; DREWS G; FRICKE U; GILKINSON DJ; GLASMAN C; GOTTLICHER P; GROSSEKNETTER J; HAAS T; HAIN W; HASELL D; JOHNSON KF; KASEMANN E; KOCH W; KOTZ U; KOWALSKI H; LABS J; LINDEMANN L; LOHR B; LOWE M; MANCZAK O; MILEWSCI J; MONTEIRO T; NG JST; NOTZ D; OHRENBERG K; PARKS IH; PELLEGRINO A; PELUCCHI F; PIOTRZKOWSKI K; ROCO M; ROHDE M; ROLDAN J; RYAN JJ; SAVIN AA; SCHNEEKLOTH U; SELONKE F; SURROW B; TASSI E; VOSS T; WESTPHAL D; WOLF G; WOLLMER U; YOUNGMAN C; ZARNECKI AF; ZEUNER W; BUROW BD; GRABOSCH HJ; MEYER A; SCHLENSTEDT S; BARBAGLI G; GALLO E; PELFER P; MACCARRONE G; VOTANO L; BAMBERGER A; EISENHARDT S; MARKUN P; TREFZGER T; WOLFLE S; BOHNET I; BROOK NH; BUSSEY PJ; DOYLE AT; SAXON DH; SINCLAIR LE; STRICKLAND E; UTLEY ML; WAUGH R; WILSON AS; BOHNET I; GENDNER N; HOLM U; MEYERLARSEN A; SALEHI H; WICK K; GLADILIN K; HORSTMANN D; KCIRA D; KLANNER R; LOHRMANN E; POELZ G; SCHOTT W; ZETSCHE F; BACON TC; BUTTERWORTH I; COLE JE; HARRIS VL; HOWELL G; HUNG BHY; LAMBERTI L; LONG KR; MILLER DB; PAVEL N; PRINIAS A; SEDGBEER JK; SIDERIS D; WHITFIELD AF; MALLIK U; WANG SM; WU JT; CLOTH P; FILGES D; FLECK JI; ISHII T; KUZE M; NAKAO M; TOKUSHUKU K; YAMADA S; YAMAZAKI Y; AN SH; LEE SB; NAM SW; PARK HS; PARK SK; BARREIRO F; FERNANDEZ JP; GARCIA G; GRACIANI R; HERNANDEZ JM; HERVAS L; LABARGA L; MARTINEZ M; DELPESO J; PUGA J; TERRON J; DETROCONIZ JF; CORRIVEAU F; HANNA DS; HARTMANN J; HUNG LW; LIM JN; MURRAY WN; OCHS A; RIVELINE M; STAIRS DG; STLAURENT M; ULLMANN R; TSURUGAI T; BASHKIROV V; DOLGOSHEIN BA; STIFUTKIN A; BASHINDZHAGYAN GL; ERMOLOV PF; GOLUBKOV YA; KHEIN LA; KOROTKOVA NA; KORZHAVINA IA; KUZMIN VA; LUKINA OY; PROSKURYAKOV AS; SHCHEGLOVA LM; SHUMILIN AV; SOLOMIN AN; ZOTKIN SA; BOKEL C; BOTJE M; BRUMMER N; CHLEBANA F; ENGELEN J; KOOIJMAN P; KRUSE A; VANSIGHEM A; TIECKE H; VERKERKE W; VOSSEBELD J; VREESWIJK M; WIGGERS L; DEWOLF E; ACOSTA D; BYLSMA B; DURKIN LS; GILMORE J; GINSBURG CM; KIM CL; LING TY; NYLANDER P; ROMANOWSKI TA; BLAIKLEY HE; CASHMORE RJ; COOPERSARKAR AM; DEVENISH RCE; EDMONDS JK; HARNEW N; LANCASTER M; MCFALL JD; NATH C; NOYES VA; QUADT A; RUSKE O; TICKNER JR; UIJTERWAAL H; WALCZAK R; WATERS DS; BERTOLIN A; BRUGNERA R; CARLIN R; DALCORSO F; DOSSELLI U; LIMENTANI S; MORANDIN M; POSOCCO M; STANCO L; STROILI R; VOCI C; BULMAHN J; FEILD RG; OH BY; OKRASINSKI JR; WHITMORE JJ; IGA Y; DAGOSTINI G; MARINI G; NIGRO A; RASO M; HART JC; MCCUBBIN NA; SHAH TP; EPPERSON D; HEUSCH C; RAHN JT; SADROZINSKI HFW; SEIDEN A; WILLIAMS DC; SCHWARZER O; WALENTA AH; ABRAMOWICZ H; BRISKIN G; DAGAN S; DOEKER T; KANANOV S; LEVY A; ABE T; FUSAYASU T; INUZUKA M; NAGANO K; SUZUKI I; UMEMORI K; YAMASHITA T; HAMATSU R; HIROSE T; HOMMA K; KITAMURA S; MATSUSHITA T; YAMAUCHI K; CIRIO R; COSTA M; FERRERO MI; MASELLI S; MONACO V; PERONI C; PETRUCCI MC; SACCHI R; SOLANO A; STAIANO A; DARDO M; BAILEY DC; BRKIC M; FAGERSTROEM CP; HARTNER GF; JOO KK; LEVMAN GM; MARTIN JF; ORR RS; POLENZ S; SAMPSON CR; SIMMONS D; TEUSCHER RJ; BUTTERWORTH JM; CATTERALL CD; JONES TW; KAZIEWICZ PB; LANE JB; SAUNDERS RL; SHULMAN J; SUTTON MR; LU B; MO LW; CIBOROWSKI J; GRZELAK G; KASPRZAK M; MUCHOROWSKI K; NOWAK RJ; PAWLAK JM; PAWLAK R; TYMIENIECKA T; WROBLEWSKI AK; ZAKRZEWSKI JA; ADAMUS M; COLDEWEY C; EISENBERG Y; HOCHMAN D; KARSHON U; REVEL D; BADGETT WF; CHAPIN D; CROSS R; DASU S; FOUDAS C; LOVELESS RJ; MATTINGLY S; REEDER D; SMITH WH; VAICIULIS A; WODARCZYK M; BHADRA S; FRISKEN WR; KHAKZAD M; SCHMIDKE WB;
Indirizzi:
ARGONNE NATL LAB,9700 S CASS AVE ARGONNE IL 60439 ANDREWS UNIV BERRIEN SPRINGS MI 49104 UNIV BOLOGNA BOLOGNA ITALY IST NAZL FIS NUCL I-40126 BOLOGNA ITALY UNIV BONN,INST PHYS D-5300 BONN GERMANY UNIV BRISTOL,HH WILLS PHYS LAB BRISTOL BS8 1TL AVON ENGLAND UNIV CALABRIA,DEPT PHYS I-87036 COSENZA ITALY IST NAZL FIS NUCL I-87036 COSENZA ITALY CHONNAM NATL UNIV KWANGJU SOUTH KOREA COLUMBIA UNIV,NEVIS LABS IRVINGTON NY 00000 INST NUCL PHYS KRAKOW POLAND ACAD MIN & MET,FAC PHYS & NUCL TECH KRAKOW POLAND JAGIELLONIAN UNIV,DEPT PHYS KRAKOW POLAND DESY D-2000 HAMBURG GERMANY DESY,IFH ZEUTHEN ZEUTHEN GERMANY UNIV FLORENCE FLORENCE ITALY IST NAZL FIS NUCL I-50125 FLORENCE ITALY IST NAZL FIS NUCL,LAB NAZL FRASCATI I-00044 FRASCATI ITALY UNIV FREIBURG,FAK PHYS D-7800 FREIBURG GERMANY UNIV GLASGOW,DEPT PHYS & ASTRON GLASGOW LANARK SCOTLAND UNIV HAMBURG,INST EXPT PHYS 1 HAMBURG GERMANY UNIV HAMBURG,INST EXPT PHYS 2 D-2000 HAMBURG GERMANY UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,HIGH ENERGY NUCL PHYS GRPLONDON ENGLAND UNIV IOWA,DEPT PHYS & ASTRON IOWA CITY IA 52242 KFA JULICH GMBH,FORSCHUNGSZENTRUM,INST KERNPHYS D-5170 JULICH GERMANY KEK,INST PARTICLE & NUCL STUDIES TSUKUBA IBARAKI JAPAN KOREA UNIV SEOUL 136701 SOUTH KOREA UNIV AUTONOMA MADRID,DEPT FIS TEOR MADRID SPAIN MCGILL UNIV,DEPT PHYS MONTREAL PQ H3A 2T5 CANADA MEIJI GAKUIN UNIV,FAC GEN EDUC YOKOHAMA KANAGAWA JAPAN MOSCOW PHYS ENGN INST MOSCOW RUSSIA MOSCOW MV LOMONOSOV STATE UNIV,INST NUCL PHYS MOSCOW RUSSIA NIKHEF H NL-1009 DB AMSTERDAM NETHERLANDS UNIV AMSTERDAM NL-1012 WX AMSTERDAM NETHERLANDS OHIO STATE UNIV,DEPT PHYS COLUMBUS OH 43210 UNIV OXFORD,DEPT PHYS OXFORD ENGLAND UNIV PADUA,DIPARTIMENTO FIS PADUA ITALY IST NAZL FIS NUCL PADUA ITALY PENN STATE UNIV,DEPT PHYS UNIVERSITY PK PA 16802 POLYTECH UNIV SAGAMIHARA KANAGAWA JAPAN UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS I-00185 ROME ITALY IST NAZL FIS NUCL ROME ITALY RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND UNIV CALIF SANTA CRUZ SANTA CRUZ CA 95064 UNIV GESAMTHSCH SIEGEN,FACHBEREICH PHYS D-5900 SIEGEN GERMANY TEL AVIV UNIV,RAYMOND & BEVERLY SACKLER FAC EXACT SCI,SCH PHYS IL-69978 TEL AVIV ISRAEL UNIV TOKYO,DEPT PHYS TOKYO 113 JAPAN TOKYO METROPOLITAN UNIV,DEPT PHYS TOKYO JAPAN UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE TURIN ITALY IST NAZL FIS NUCL I-10125 TURIN ITALY UNIV TURIN,FAC SCI 2 TURIN ITALY INFN ALESSANDRIA ALESSANDRIA ITALY UNIV TORONTO,DEPT PHYS TORONTO ON CANADA UNIV COLL LONDON,DEPT PHYS & ASTRON LONDON ENGLAND VIRGINIA POLYTECH INST & STATE UNIV,DEPT PHYS BLACKSBURG VA 24061 UNIV WARSAW,INST EXPT PHYS WARSAW POLAND INST NUCL STUDIES PL-00681 WARSAW POLAND WEIZMANN INST SCI,DEPT NUCL PHYS IL-76100 REHOVOT ISRAEL UNIV WISCONSIN,DEPT PHYS MADISON WI 53706 YORK UNIV,DEPT PHYS N YORK ON M3J 1P3 CANADA CNR,IROE I-50127 FLORENCE ITALY UNIV TURIN TURIN ITALY DESY HAMBURG GERMANY
Titolo Testata:
Zeitschrift fur Physik. C, Particles and fields
fascicolo: 4, volume: 76, anno: 1997,
pagine: 631 - 646
SICI:
0170-9739(1997)76:4<631:ASFEFI>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
CENTRAL TRACKING DETECTOR; ZEUS BARREL CALORIMETER; P(P)OVER-BAR COLLISIONS; LEPTON PRODUCTION; MONTE-CARLO; CONSTRUCTION; ELECTRON; EVENTS; DESIGN; COLLIDERS;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
46
Recensione:
Indirizzi per estratti:
Citazione:
J. Breitweg et al., "A SEARCH FOR EXCITED FERMIONS IN E(+)P COLLISIONS AT HERA", Zeitschrift fur Physik. C, Particles and fields, 76(4), 1997, pp. 631-646

Abstract

Using the ZEUS detector at HERA, we have searched for heavy excited states of electrons, neutrinos, and quarks in e(+)p collisions at a center-of-mass energy of 300 GeV, With an integrated luminosity of 9.4 pb(-1), no evidence was found for electroweak production and decay of such states, Limits on the production cross section times branching ratio and on the characteristic couplings, f/Lambda, are derived for masses up to 250 GeV. For the particular choice f/Lambda = 1/M-f, we exclude at the 95% confidence level excited electrons with mass between 30 and 200 GeV, excited electron neutrinos with mass between 40 and 96 GeV, and quarks excited electroweakly with mass between 40 and 169 GeV.

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Documento generato il 26/11/20 alle ore 20:15:58