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Titolo:
SEARCH FOR THE B-C MESON
Autore:
ABREU P; ADAM W; ADYE T; AJINENKO I; ALEKSEEV GD; ALEMANY R; ALLPORT PP; ALMEHED S; AMALDI U; AMATO S; ANDREAZZA A; ANDRIEUX ML; ANTILOGUS P; APEL WD; ASMAN B; AUGUSTIN JE; AGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARBI M; BARBIELLINI G; BARDIN DY; BARKER G; BARONCELLI A; BARRING O; BARRIO JA; BARTL W; BATES MJ; BATTAGLIA M; BAUBILLIER M; BAUDOT J; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELOUS K; BENVENUTI AC; BERGGREN M; BERTINI D; BERTRAND D; BESANCON M; BIANCHI F; BIGI M; BILENKY MS; BILLOIR P; BIZOUARD MA; BLOCH D; BLUME M; BOLOGNESE T; BONESINI M; BONIVENTO W; BOOTH PSL; BORISOV G; BOSIO C; BOTNER O; BOUDINOV E; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZZO M; BRANCHINI P; BRAND KD; BRENKE T; BRENNER RA; BRICMAN C; BROWN RCA; BRUCKMAN P; BRUNET JM; BUGGE L; BURAN T; BURGSMUELLER T; BUSCHMANN P; CABRERA S; CACCIA M; CALVI M; ROZAS AJC; CAMPORESI T; CANALE V; CANEPA M; CANKOCAK K; CAO F; CARENA F; CARROLL L; CASO C; GIMENEZ MVC; CATTAI A; CAVALLO FR; CHABAUD V; CHARPENTIER P; CHAUSSARD L; CHECCHIA P; CHELKOV GA; CHEN M; CHIERICI R; CHLIAPNIKOV P; CHOCHULA P; CHOROWICZ V; CINDRO V; COLLINS P; CONTRI R; CORTINA E; COSME G; COSSUTTI F; COWELL JH; CRAWLEY HB; CRENNELL D; CROSETTI G; MAESTRO JC; CZELLAR S; DAHLJENSEN E; DAHM J; DALMAGNE B; DAM M; DAMGAARD G; DAUNCEY PD; DAVENPORT M; DASILVA W; DEFOIX C; DEGHORAIN A; DELLARICCA G; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOER W; DEBRABANDERE S; DECLERCQ C; DELAVAISSIERE C; DELOTTO B; DEMIN A; DEPAULA L; DESAINTJEAN C; DIJKSTRA H; DICIACCIO L; DIDIODATO A; DJAMA F; DJANNATI A; DOLBEAU J; DOROBA K; DRACOS M; DREES J; DREES KA; DRIS M; DURAND JD; EDSALL D; EHRET R; EIGEN G; EKELOF T; EKSPONG G; ELSING M; ENGEL JP; ERZEN B; SANTO ME; FALK E; FASSOULIOTIS D; FEINDT M; FENYUK A; FERRER A; FICHET S; FILIPPAS TA; FIRESTONE A; FISCHER PA; FOETH H; FOKITIS E; FONTANELLI F; FORMENTI F; FRANEK B; FRENKIEL P; FRIES DC; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FUSTER J; GALLONI A; GAMBA D; GANDELMAN M; GARCIA C; GARCIA J; GASPAR C; 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NORMAND A; NOVAK M; OBERSCHULTEBECKMANN W; OBRAZTSOV V; OLSHEVSKI AG; ONOFRE A; ORAVA R; OSTERBERG K; OURAOU A; PAGANINI P; PAGANONI M; PAGES P; PAIN R; PALKA H; PAPADOPOULOU TD; PAPAGEORGIOU K; PAPE L; PARKES C; PARODI F; PASSERI A; PEGORARO M; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PHILLIPS HT; PIANA G; PIERRE F; PIMENTA M; PODOBNIK T; PODOBRIN O; POL ME; POLOK G; POROPAT P; POZDNIAKOV V; PRIVITERA P; PUKHAEVA N; PULLIA A; RADOJICIC D; RAGAZZI S; RAHMANI H; RAMES J; RATOFF PN; READ AL; REALE M; REBECCHI P; REDAELLI NG; REGLER M; REID D; REINHARDT R; RENTON PB; RESVANIS LK; RICHARD F; RICHARDSON J; RIDKY J; RINAUDO G; RIPP I; ROMERO A; RONCAGLIOLO I; RONCHESE P; ROOS L; ROSENBERG EI; ROUDEAU P; ROVELLI T; RUCKSTUHL W; RUHLMANNKLEIDER V; RUIZ A; RYBICKI K; SAARIKKO H; SACQUIN Y; SADOVSKY A; SAHR O; SAJOT G; SALT J; SANCHEZ J; SANNINO M; SCHIMMELPFENNIG M; SCHNEIDER H; SCHWICKERATH U; SCHYNS MAE; SCIOLLA G; SCURI F; SEAGER P; SEDYKH Y; SEGAR AM; SEITZ A; SEKULIN R; SERBELLONI L; SHELLARD RC; SIEGRIST P; SILVESTRE R; SIMONETTI S; SIMONETTO F; SISAKIAN AN; SITAR B; SKAALI TB; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOLOVIANOV O; SOSNOWSKI R; SOUZASANTOS D; SPASSOV T; SPIRITI E; SPONHOLZ P; SQUARCIA S; STAMPFER D; STANESCU C; STANIC S; STAPNES S; STAVITSKI I; STEVENSON K; STOCCHI A; STRAUSS J; STRUB R; STUGU B; SZCZEKOWSKI M; SZEPTYCKA M; TABARELLI T; TAVERNET JP; THOMAS J; TILQUIN A; TIMMERMANS J; TKATCHEV LG; TODOROV T; TODOROVA S; TOET DZ; TOMARADZE A; TOME B; TONAZZO A; TORTORA L; TRANSTROMER G; TREILLE D; TRISTRAM G; TROMBINI A; TRONCON C; TSIROU A; TURLUER ML; TYAPKIN IA;
Indirizzi:
FCUL,LIP,IST,AV ELIAS GARCIA 14-1O P-1000 LISBON PORTUGAL IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON AMES IA 50011 UNIV INSTELLING ANTWERP,DEPT PHYS B-2610 WILRIJK BELGIUM FREE UNIV BRUSSELS,IIHE B-1050 BRUSSELS BELGIUM UNIV MONS,FAC SCI B-7000 MONS BELGIUM UNIV ATHENS,PHYS LAB GR-10680 ATHENS GREECE UNIV BERGEN,DEPT PHYS N-5007 BERGEN NORWAY UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY IST NAZL FIS NUCL I-40126 BOLOGNA ITALY CTR BRASILEIRO PESQUISAS FIS BR-22290 RIO JANEIRO BRAZIL PONTIFICIA UNIV CATOLICA RIO DE JANEIRO,DEPT FIS BR-22453 RIO JANEIROBRAZIL UNIV ESTADUAL RIO DE JANEIRO,INST FIS RIO JANEIRO BRAZIL COMENIUS UNIV BRATISLAVA,FAC MATH & PHYS SK-84215 BRATISLAVA SLOVAKIA COLL FRANCE,PHYS CORPUSCULAIRE LAB,IN2P3,CNRS F-75231 PARIS 05 FRANCE CERN CH-1211 GENEVA 23 SWITZERLAND UNIV STRASBOURG 1,CTR RECH NUCL,CNRS,IN2P3 F-67037 STRASBOURG FRANCE NCSR DEMOKRITOS,INST NUCL PHYS GR-15310 ATHENS GREECE CAS,FZU,INST PHYS,DIV HIGH ENERGY PHYS PRAGUE 18040 8 CZECH REPUBLIC UNIV GENOA,DIPARTIMENTO FIS I-16146 GENOA ITALY IST NAZL FIS NUCL I-16146 GENOA ITALY UNIV GRENOBLE 1,INST SCI NUCL,IN2P3,CNRS F-38026 ST MARTIN DHER FRANCE SEFT,RES INST HIGH ENERGY PHYS FIN-00014 HELSINKI FINLAND JOINT INST NUCL RES DUBNA MOSCOW 101000 RUSSIA UNIV KARLSRUHE,INST EXPT KERNPHYS D-76128 KARLSRUHE GERMANY INST NUCL PHYS PL-30055 KRAKOW POLAND UNIV MIN & MET KRAKOW PL-30055 KRAKOW POLAND UNIV PARIS 11,ACCELERATEUR LINEAIRE LAB,IN2P3,CNRS F-91405 ORSAY FRANCE UNIV LANCASTER,SCH PHYS & CHEM LANCASTER LA1 4YB ENGLAND UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV PARIS 06,LPNHE,IN2P3,CNRS F-75252 PARIS 05 FRANCE UNIV PARIS 07,LPNHE,IN2P3,CNRS F-75252 PARIS 05 FRANCE LUND UNIV,DEPT PHYS S-22363 LUND SWEDEN UNIV LYON 1,IPNL,IN2P3,CNRS F-69622 VILLEURBANNE FRANCE UNIV COMPLUTENSE MADRID E-28040 MADRID SPAIN UNIV AIX MARSEILLE 2,CPP,IN2P3,CNRS F-13288 MARSEILLE 09 FRANCE UNIV MILAN,DIPARTIMENTO FIS I-20133 MILAN ITALY IST NAZL FIS NUCL I-20133 MILAN ITALY NIELS BOHR INST DK-2100 COPENHAGEN O DENMARK CHARLES UNIV,NC,NUCL CTR MFF,AREA MFF PRAGUE 18000 8 CZECH REPUBLIC NIKHEF H NL-1009 DB AMSTERDAM NETHERLANDS NATL TECH UNIV ATHENS,DEPT PHYS GR-15773 ATHENS GREECE UNIV OSLO,DEPT PHYS N-1000 OSLO 3 NORWAY UNIV OVIEDO,DEPT FIS E-33007 OVIEDO SPAIN UNIV OXFORD,DEPT PHYS OXFORD OX1 3RH ENGLAND UNIV PADUA,DIPARTIMENTO FIS I-35131 PADUA ITALY IST NAZL FIS NUCL I-35131 PADUA ITALY RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS I-00173 ROME ITALY UNIV ROMA TOR VERGATA,IST NAZL FIS NUCL I-00173 ROME ITALY CENS,CEA,DAPNIA,SERV PHYS PARTICULES F-91191 GIF SUR YVETTE FRANCE IST SUPER SANITA,IST NAZL FIS NUCL I-00161 ROME ITALY UC,INST FIS CANTABRIA,CSIC SANTANDER 39006 SPAIN INST HIGH ENERGY PHYS PROTVINO MOSCOW REGION RUSSIA SCH ENVIRONM SCI,DEPT ASTROPARTICLE PHYS NOVA GORICA SLOVENIA JOZEF STEFAN INST LJUBLJANA SLOVENIA UNIV STOCKHOLM,FYSIKUM S-11385 STOCKHOLM SWEDEN UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE I-10125 TURIN ITALY IST NAZL FIS NUCL I-10125 TURIN ITALY UNIV TRIESTE,DIPARTMENTO FIS I-34127 TRIESTE ITALY IST NAZL FIS NUCL I-34127 TRIESTE ITALY UNIV UDINE,IST FIS I-33100 UDINE ITALY UNIV UPPSALA,DEPT RADIAT SCI S-75121 UPPSALA SWEDEN UNIV VALENCIA,IFIC,VALENCIA CSIC E-46100 BURJASSOT VALENCIA SPAIN UNIV VALENCIA,DFAMN E-46100 BURJASSOT VALENCIA SPAIN AUSTRIAN ACAD SCI,INST HOCHENERGIEPHYS A-1050 VIENNA AUSTRIA INST NUCL STUDIES PL-00681 WARSAW POLAND UNIV WARSAW PL-00681 WARSAW POLAND BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS D-42097 WUPPERTAL GERMANY FED UNIV RIO DE JANEIRO BR-21945970 RIO JANEIRO BRAZIL
Titolo Testata:
Physics letters. Section B
fascicolo: 1-2, volume: 398, anno: 1997,
pagine: 207 - 222
SICI:
0370-2693(1997)398:1-2<207:SFTBM>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
QCD FRAGMENTATION FUNCTIONS; HEAVY QUARKS; CHARMONIUM; DECAYS; SPECTROSCOPY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
P. Abreu et al., "SEARCH FOR THE B-C MESON", Physics letters. Section B, 398(1-2), 1997, pp. 207-222

Abstract

In a sample of 3.02 million hadronic Z(0) decays collected by the DELPHI detector, 270 J/psi --> e(+)e(-) candidates have been selected. A search for fully reconstructed B-c(+/-) mesons has yielded one B-c(+/-) --> J/psi pi(+/-) candidate, no B-c(+/-) --> J/psi e(+/-) nu(e) candidates, and one B-c(+/-) --> J/psi pi(+)pi(-)pi(+) candidate, consistent with expected background in each channel. The following 90% confidence level upper limits ate determined: Br(Z(0) --> B-c(+/-) X) x Br(B-c(+/-) --> J/psi pi(+)) < (1.05 to 0.84) x 10(-4) and Br(Z(d) --> B-c(/-) X) x Br(B-c(+/-) --> J/psi e(+/-) nu(e)) < (5.8 to 5.0) x 10(-5),where the ranges quoted correspond to the range of predicted B-c(+/-)lifetimes from 0.4 to 1.4 ps, and Br(Z(0) --> B-c(+/-) X) x Br(B-c(+/-) --> J/psi pi(+)pi(-)pi(+/-)) < 1.75 x 10(-4), constant over the range of predicted B-c(+/-) lifetimes. (C) 1997 Elsevier Science B.V.

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Documento generato il 30/11/20 alle ore 11:08:43