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Titolo:
STUDY OF THE 4-FERMION FINAL-STATE AT THE Z-RESONANCE
Autore:
BUSKULIC D; CASPER D; DEBONIS I; DECAMP D; GHEZ P; GOY C; LEES JP; MINARD MN; ODIER P; PIETRZYK B; ARIZTIZABAL F; CHMEISSANI M; CRESPO JM; EFTHYMIOPOULOS I; FERNANDEZ E; FERNANDEZBOSMAN M; GAITAN V; GARRIDO L; MARTINEZ M; ORTEU S; PACHECO A; PADILLA C; PALLA F; PASCUAL A; PERLAS JA; SANCHEZ F; TEUBERT F; CREANZA D; DEPALMA M; FARILLA A; IASELLI G; MAGGI G; MARINELLI N; NATALI S; NUZZO S; RANIERI A; RASO G; ROMANO F; RUGGIERI F; SELVAGGI G; SILVESTRIS L; TEMPESTA P; ZITO G; HUANG X; LIN J; OUYANG Q; WANG T; XIE Y; XU R; XUE R; ZHANG J; ZHANG L; ZHAO W; BONVICINI G; BOUDREAU J; COMAS P; COYLE P; DREVERMANN H; ENGELHARDT A; FORTY RW; FRANK M; GANIS G; GAY C; GIRONE M; HAGELBERG R; HARVEY J; JACOBSEN R; JOST B; KNOBLOCH J; LEHRAUS I; MAGGI M; MARKOU C; MARTIN EB; MATO P; MEINHARD H; MINTEN A; MIQUEL R; PALAZZI P; PATER JR; PERRODO P; PUSZTASZERI JF; RANJARD F; ROLANDI L; SCHLATTER D; SCHMELLING M; TEJESSY W; TOMALIN IR; VEENHOF R; VENTURI A; WACHSMUTH H; WIEDENMANN W; WITZELING W; WOTSCHACK J; AJALTOUNI Z; BARDADINOTWINOWSKA M; BARRES A; BOYER C; FALVARD A; GAY P; GUICHENEY C; HENRARD P; JOUSSET J; MICHEL B; MONTEIL S; MONTRET JC; PALLIN D; PERRET P; PODLYSKI F; PRORIOL J; ROSSIGNOL JM; SAADI F; FEARNLEY T; HANSEN JB; HANSEN JD; HANSEN JR; HANSEN PH; JOHNSON SD; MOLLERUD R; NILSSON BS; KYRIAKIS A; SIMOPOULOU E; SIOTIS I; VAYAKI A; ZACHARIADOU K; BLONDEL A; BONNEAUD G; BRIENT JC; BOURDON P; PASSALACQUA L; ROUGE A; RUMPF M; TANAKA R; VALASSI A; VERDERI M; VIDEAU H;
Indirizzi:
LAB PHYS PARTICULES,IN2P3,CNRS F-74019 ANNECY FRANCE UNIV AUTONOMA BARCELONA,INST FIS ALTES ENERGIES E-08193 BARCELONA SPAIN INFN,SEZIONE BARI,DIPARTIMENTO FIS I-70126 BARI ITALY CHINESE ACAD SCI,INST HIGH ENERGY PHYS BEIJING PEOPLES R CHINA CERN,EUROPEAN LAB PARTICLE PHYS CH-1211 GENEVA 23 SWITZERLAND UNIV CLERMONT FERRAND,PHYS CORPUSCULAIRE LAB,IN2P3,CNRS F-63177 CLERMONT FERRAND FRANCE NIELS BOHR INST COPENHAGEN DENMARK DEMOCRITOS NUCL RES CTR ATHENS GREECE ECOLE POLYTECH,PHYS NUCL & HAUTES ENERGIES LAB,IN2P3,CNRS F-91128 PALAISEAU FRANCE UNIV TURIN,IST FIS GEN I-10124 TURIN ITALY CNR,IST COSMO GEOFIS TURIN ITALY TSM BUSINESS SCH ENSCHEDE NETHERLANDS UNIV BARCELONA E-08208 BARCELONA SPAIN KANGNUNG NATL UNIV KANGNUNG SOUTH KOREA UNIV SASSARI,INST MATEMAT & FIS I-07100 SASSARI ITALY UNIV EDINBURGH,DEPT PHYS EDINBURGH EH9 3JZ MIDLOTHIAN SCOTLAND UNIV FLORENCE,INFN,SEZIONE FIRENZE,DIPARTIMENTO FIS I-50125 FLORENCE ITALY FLORIDA STATE UNIV,SUPERCOMP COMPUTAT RES INST TALLAHASSEE FL 32306 INFN,LNF I-00044 FRASCATI ITALY UNIV GLASGOW,DEPT PHYS & ASTRON GLASGOW G12 8QQ SCOTLAND UNIV HEIDELBERG,INST HOCHENERGIEPHYS D-69120 HEIDELBERG GERMANY UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT PHYS LONDON SW7 2BZ ENGLAND INNSBRUCK UNIV,INST EXPTL PHYS A-6020 INNSBRUCK AUSTRIA UNIV LANCASTER,DEPT PHYS LANCASTER LA1 4YB ENGLAND UNIV MAINZ,INST PHYS D-55099 MAINZ GERMANY FAC SCI LUMINY,CTR PHYS PARTICULES,IN2P3,CNRS F-13288 MARSEILLE FRANCE MAX PLANCK INST PHYS & ASTROPHYS,WERNER HEISENBERG INST D-80805 MUNICH GERMANY UNIV PARIS 11,ACCELERATEUR LINEAIRE LAB,IN2P3,CNRS F-91405 ORSAY FRANCE UNIV PISA,INFN,SEZIONE PISA,DIPARTIMENTO FIS I-56100 PISA ITALY SCUOLA NORMALE SUPER PISA I-56100 PISA ITALY UNIV LONDON,ROYAL HOLLOWAY & BEDFORD NEW COLL,DEPT PHYS SURREY TW20 0EX ENGLAND RUTHERFORD APPLETON LAB,DEPT PARTICLE PHYS DIDCOT OX11 0QX OXON ENGLAND CENS,CEA,DAPNIA,SERV PHYS PARTICULES F-91191 GIF SUR YVETTE FRANCE UNIV CALIF SANTA CRUZ,INST PARTICLE PHYS SANTA CRUZ CA 95064 UNIV SHEFFIELD,DEPT PHYS SHEFFIELD S3 7RH S YORKSHIRE ENGLAND UNIV SIEGEN,FACHBEREICH PHYS D-57068 SIEGEN GERMANY UNIV TRIESTE,DIPARTIMENTO FIS I-34127 TRIESTE ITALY INFN,SEZIONE TRIESTE I-34127 TRIESTE ITALY UNIV WASHINGTON SEATTLE WA 98195 UNIV WISCONSIN,DEPT PHYS MADISON WI 53706
Titolo Testata:
Zeitschrift fur Physik. C, Particles and fields
fascicolo: 1-2, volume: 66, anno: 1995,
pagine: 3 - 18
SICI:
0170-9739(1995)66:1-2<3:SOT4FA>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
RADIATIVE-CORRECTIONS; MONTE-CARLO; PHOTON CORRECTIONS; BHABHA SCATTERING; HIGH-ENERGIES; 2 LEPTONS; Z-DECAYS; SEARCH; PAIR; BOSON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
D. Buskulic et al., "STUDY OF THE 4-FERMION FINAL-STATE AT THE Z-RESONANCE", Zeitschrift fur Physik. C, Particles and fields, 66(1-2), 1995, pp. 3-18

Abstract

The process e+e- --> llBARffBAR, where 1 is a charged or a neutral lepton and f any charged fermion, is analyzed. The study uses the ALEPH data collected at LEP from 1989 to 1993 at centre-of-mass energies between 88 and 95 GeV, corresponding to almost two million hadronic Z decays and to a total integrated luminosity of 79 pb-1. For all channels,the data agree well with the standard model expectation both in shapeand normalization. The indication of an excess in the e+e- --> tau+ tau- ffBAR channel, reported by ALEPH in 1991, is not confirmed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 15:45:32