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Titolo:
AN INVESTIGATION OF B0D AND B0S OSCILLATION
Autore:
BUSKULIC D; DEBONIS I; DECAMP D; GHEZ P; GOY C; LEES JP; MINARD MN; ODIER P; PIETRZYK B; ARIZTIZABAL F; COMAS P; CRESPO JM; EFTHYMIOPOULOS I; FERNANDEZ E; FERNANDEZBOSMAN M; GAITAN V; GARRIDO L; MARTINEZ M; MATTISON T; ORTEU S; PACHECO A; PADILLA C; PASCUAL A; 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; CHAI Y; HU H; HUANG D; HUANG X; LIN J; WANG T; XIE Y; XU D; XU R; ZHANG J; ZHANG L; ZHAO W; BONVICINI G; BOUDREAU J; CASPER D; DREVERMANN H; FORTY RW; GANIS G; GAY C; GIRONE M; HAGELBERG R; HARVEY J; HILGART J; JACOBSEN R; JOST B; KNOBLOCH J; LEHRAUS J; MAGGI M; MARKOU C; MATO P; MEINHARD H; MINTEN A; MIQUEL R; MOSER HG; PALAZZI P; PATER JR; PERLAS JA; PERRODO P; PUSZTASZERI JF; RANJARD F; ROLANDI L; ROTHBERG J; RUAN T; SAICH M; SCHLATTER D; SCHMELLING M; SEFKOW F; TEJESSY W; TOMALIN JR; VEENHOF R; WACHSMUTH H; WASSERBAECH S; WIEDENMANN W; WILDISH T; WITZELING W; WOTSCHACK J; AJALTOUNI Z; BARDADINOTWINOWSKA M; BARRES A; BOYER C; FALVARD A; GAY P; GUICHENEY C; HENRARD P; JOUSSET J; MICHEL B; MONTRET JC; PALLIN D; PERRET P; PODLYSKI F; PRORIOL J; 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; BADIER J; BLONDEL A; BONNEAUD G; BRIENT JC; BOURDON P; FOUQUE G; PASSALACQUA L; ROUGE A; RUMPF M; TANAKA R; VERDERI M; VIDEAU H; CANDLIN DJ; PARSONS MI; VEITCH E; FOCARDI E; MONETA L; PARRINI G; CORDEN M; DELFINO M; GEORGIOPOULOS C; JAFFE DE; LEVINTHAL D; ANTONELLI A; BENCIVENNI G; BOLOGNA G; BOSSI F; CAMPANA P; CAPON G; CERUTTI F; CHIARELLA V; FELICI G; LAURELLI P; MANNOCCHI G; MURTAS F; MURTAS GP; PEPEALTARELLI M; SALOMONE S; COLRAIN P; TENHAVE I; KNOWLES IG; LYNCH JG; MAITLAND W; MORTON WT; RAINE C; REEVES P; SCARR JM; SMITH K; SMITH MG; THOMPSON AS; THORN S; TURNBULL RM; BRANDL B; BRAUN O; GEWENIGER C; HANKE P; HEPP V; KLUGE EE; MAUMARY Y; PUTZER A; RENSCH B; STAHL A; TITTEL K; WUNSCH M; BEUSELINCK R; BINNIE DM; CAMERON W; CATTANEO M; COLLING DJ; DORNAN PJ; HASSARD JF; LIESKE NM; MOUTOUSSI A; NASH J; PATTON S; PATTON S; PAYNE DG; PHILLIPS MJ; SANMARTIN G; SEDGBEER JK; WRIGHT AG; GIRTLER P; KUHN D; RUDOLPH G; VOGL R; BOWDERY CK; BRODBECK TJ; FINCH AJ; FOSTER F; HUGHES G; JACKSON D; KEEMER NR; NUTTALL M; PATEL A; SLOAN T; SNOW SW; WHELAN EP; GALLA A; GREENE AM; KLEINKNECHT K; RAAB J; RENK B; SANDER HG; SCHMIDT H; WALTHER SM; WANKE R; WOLF B; BENCHEIKH AM; BENCHOUK C; BONISSENT A; CALVET D; CARR J; COYLE P; DIACONU C; DRINKARD J; ETIENNE F; NICOD D; PAYRE P; ROOS L; ROUSSEAU D; SCHWEMLING P; TALBY M; ADLUNG S; ASSMANN R; BAUER C; BLUM W; BROWN D; CATTANEO P; DEHNING B; DIETL H; DYDAK F; FRANK M; HALLEY AW; JAKOBS K; LAUBER J; LUTJENS G; LUTZ G; MANNER W; RICHTER R; SCHRODER J; SCHWARZ AS; SETTLES R; SEYWERD H; STIERLIN U; STIEGLER U; STDENIS R; WOLF G; ALEMANY R; BOUCROT J; CALLOT O; CORDIER A; DAVIER M; DUFLOT L; GRIVAZ JF; HEUSSE P; JANOT P; KIM DW; LEDIBERDER F; LEFRANCOIS J; LUTZ AM; MUSOLINO G; SCHUNE MH; VEILLET JJ; VIDEAU I; ABBANEO D; BAGLIESI G; BATIGNANI G; BOTTIGLI U; BOZZI C; CALDERINI G; CARPINELLI M; CIOCCI MA; CIULLI V; DELLORSO R; FERRANTE I; FIDECARO F; FOA L; FORTI F; GIASSI A; GIORGI MA; GREGORIO A; LIGABUE F; LUSIANI A; MANNELLI EB; MARROCCHESI PS; MESSINEO A; PALLA F; RIZZO G; SANGUINETTI G; SPAGNOLO P; STEINBERGER J; TENCHINI R; TONELLI G; TRIGGIANI G; VALASSI A; VANNINI C; VENTURI A; VERDINI PG; WALSH J; BETTERIDGE AP; GAO Y; GREEN MG; JOHNSON DL; MARCH PV; MEDCALF T; MIR LM; QUAZI IS; STRONG JA; BERTIN V; BOTTERILL DR; CLIFFT RW; EDGECOCK TR; HAYWOOD S; EDWARDS M; NORTON PR; THOMPSON JC; BLOCHDEVAUX B; COLAS P; DUARTE H; EMERY S; KOZANECKI W; LANCON E; LEMAIRE MC; LOCCI E; MARX B; PEREZ P; RANDER J; RENARDY JF; ROSOWSKY A; ROUSSARIE A; SCHULLER JP; SCHWINDLING J; MOHAND DS; VALLAGE B; JOHNSON RP; LITKE AM; TAYLOR G; WEAR J; BABBAGE W; BOOTH CN; BUTTAR C; CARTWRIGHT S; COMBLEY F; DAWSON I; THOMPSON LF; BARBERIO E; BOHRER A; BRANDT S; COWAN G; GRUPEN C; LUTTERS G; RIVERA F; SCHAFER U; SMOLIK L; BOSISIO L; DELLAMARINA R; GIANNINI G; GOBBO B; PITIS L; RAGUSA F; BELLANTONI L; CHEN W; CONWAY JS; FENG Z; FERGUSON DPS; GAO YS; GRAHL J; HARTON JL; HAYES OJ; NACHTMAN JM; PAN YB; SAADI Y; SCHMITT M; SCOTT I; SHARMA V; SHI ZH; TURK JD; WALSH AM; WEBER FV; WU SL; WU X; ZHENG M; ZOBERNIG G;
Indirizzi:
CNRS,IN2P3,PHYS PARTICULES LAB F-74019 ANNECY LE VIEUX FRANCE 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 UNIV LONDON ROYAL HOLLOWAY & BEDFORD NEW COLL,DEPT PHYS SURREY TW20 0EX ENGLAND RUTHERFORD APPLETON LAB,DEPT PARTICLE PHYS DIDCOT OX11 0QX OXON ENGLAND CE SACLAY,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 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,CNRS,IN2P3 F-63177 CLERMONT FERRAND FRANCE NIELS BOHR INST DK-2100 COPENHAGEN DENMARK DEMOCRITOS NUCL RES CTR ATHENS GREECE FAC SCI LUMINY,CTR PHYS PARTICULES,CNRS,IN2P3 F-13288 MARSEILLE FRANCE MAX PLANCK INST PHYS & ASTROPHYS,WERNER HEISENBERG INST D-80805 MUNICH GERMANY UNIV PISA,SCUOLA NORMALE SUPER,DIPARTIMENTO FIS I-56010 PISA ITALY ECOLE POLYTECH,PHYS NUCL & HAUTES ENERGIES LAB,CNRS,IN2P3 F-91128 PALAISEAU FRANCE UNIV EDINBURGH,DEPT PHYS EDINBURGH EH9 3JZ MIDLOTHIAN SCOTLAND UNIV FLORENCE,DIPARTIMENTO FIS,INFN,SEZ FIRENZE I-50125 FLORENCE ITALY FLORIDA STATE UNIV,SUPERCOMP COMPUTAT RES INST TALLAHASSEE FL 32306 INFN,LAB NAZL I-00044 FRASCATI ITALY UNIV AUTONOMA BARCELONA,INST FIS ALTES ENERGIES E-08193 BARCELONA SPAIN INFN,DIPARTIMENTO FIS,SEX BARI I-70126 BARI ITALY
Titolo Testata:
Physics letters. Section B
fascicolo: 4, volume: 322, anno: 1994,
pagine: 441 - 458
SICI:
0370-2693(1994)322:4<441:AIOBAB>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
Z0 DECAYS; STRENGTH; COLLIDER; LEP;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
D. Buskulic et al., "AN INVESTIGATION OF B0D AND B0S OSCILLATION", Physics letters. Section B, 322(4), 1994, pp. 441-458

Abstract

B0B0BAR oscillation is studied using almost a million hadronic Z decays collected by the ALEPH experiment at LEP. Events are selected with two leptons present, on opposite sides of the event and with high transverse momentum. The leptons are expected to be dominantly from b decays; a topological vertexing technique is applied to measure the decay length of the b hadrons, and their momentum is determined using an energy-flow method. The fraction of events in which the leptons have the same charge is studied as a function of the measured decay time, and clear evidence is seen for the time-dependent nature of B(d)0B(d)0BAR mixing. The frequency measured for the oscillation corresponds to a mass difference for the B(d)0 mass eigenstates DELTAm(d) = (3.3(+0.5/-0.4) +/- 0.7) x 10(-4) eV/C2. Allowing a second frequency component for the B(s)0 a high value for DELTAm(s) is favoured, leading to the limit DELTAm(s) > 12 x 10(-4) eV/c2 (95% CL), from which (DELTAm/GAMMA)s > 2.0 is derived.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 10:03:44