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Titolo:
MEASUREMENT OF THE INCLUSIVE CHARMLESS AND DOUBLE-CHARM-B BRANCHING RATIOS
Autore:
ABREU P; ADAM W; ADYE T; ADZIC P; ALEKSEEV GD; ALEMANY P; ALLPORT PP; ALMEHED S; AMALDI U; AMATO S; ANDERSSON P; ANDREAZZA A; ANTILOGUS P; APEL WD; ARNOUD Y; ASMAN B; AUGUSTIN JE; AUGUSTINUS A; BAILLON P; BAMBADE P; BARAO F; BARBIER R; BARDIN DY; BARKER G; BARONCELLI A; BARRING O; BATES MJ; BATTAGLIA M; BAUBILLIER M; BECKS KH; BEGALLI M; BEILLIERE P; BELOKOPYTOV Y; BELOUS K; BENVENUTI AC; BERAT C; BERGGREN M; BERTINI D; BERTRAND D; BESANCON M; BIANCHI F; BIGI M; BILENKY MS; BILLOIR P; BIZOUARD MA; BLOCH D; BONESINI M; BONIVENTO W; BOONEKAMP M; BOOTH PSL; BORGLAND AW; BORISOV G; BOSIO C; BOTNER O; BOUDINOV E; BOUQUET B; BOURDARIOS C; BOWCOCK TJV; BOZOVIC I; BOZZO M; BRANCHINI P; BRAND KD; BRENKE T; BRENNER RA; BROWN R; 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; CARENA F; CARROLL L; CASO C; GIMENEZ MVC; CATTAI A; CAVALLO FR; CERRUTI C; CHABAUD V; CHAPKIN M; CHARPENTIER P; CHAUSSARD L; CHECCHIA P; CHELKOV GA; CHEN M; CHIERICI R; CHLIAPNIKOV P; CHOCHULA P; CHOROWICZ V; CHUDOBA J; COLLINS P; COLOMER M; CONTRI R; CORTINA E; COSME G; COSSUTTI F; COWELL JH; CRAWLEY HB; CRENNELL D; CROSETTI G; MAESTRO JC; CZELLAR S; DALMAGNE B; DAMGAARD G; DAUNCEY PD; DAVENPORT M; DASILVA W; DEGHORAIN A; DELLARICCA G; DELPIERRE P; DEMARIA N; DEANGELIS A; DEBOER W; DEBRABANDERE S; DECLERCQ C; DELAVAISSIERE C; DELOTTO B; DEMIN A; DEPAULA L; DIJKSTRA H; DICIACCIO L; DIDIODATO A; DJANNATI A; DOLBEAU J; DOROBA K; DRACOS M; DREES J; DREES KA; DRIS M; DUPERRIN A; DURAND JD; EDSALL D; EHRET R; EIGEN G; EKELOF T; EKSPONG G; ELLERT M; ELSING M; ENGEL JP; ERZEN B; SANTO ME; FALK E; FANOURAKIS G; FASSOULIOTIS D; FAYOT J; FEINDT M; FENYUK A; FERRARI P; FERRER A; FICHET S; FIRESTONE A; FISCHER PA; FLAGMEYER U; FOETH H; FOKITIS E; FONTANELLI F; FORMENTI F; FRANEK B; FRODESEN AG; FRUHWIRTH R; FULDAQUENZER F; FUSTER J; GALLONI A; GAMBA D; GANDELMAN M; GARCIA C; GARCIA J; CASPAR C; GASPAR M; GASPARINI U; GAVILLET P; GAZIS EN; GELE D; GERBER JP; GERDYUKOV L; GHODBANE N; GLEGE F; GOKIELI R; GOLOB B; CABALLERO IG; GOPAL G; GORN L; GORSKI M; GRACCO V; GRAHL J; GRAZIANI E; GREEN C; GREFRATH A; GRIS P; GROSDIDIER G; GRZELAK K; GUNTHER M; GUY J; HAHN F; HAHN S; HAIDER S; HAJDUK Z; HALLGREN A; HAMACHER K; HARRIS FJ; HEDBERG V; HEISING S; HENRIQUES R; HERNANDEZ JJ; HERQUET P; HERR H; HESSING TL; HEUSER JM; HIGON E; HOLMGREN SO; HOLT PJ; HOLTHUIZEN D; HOORELBEKE S; HOULDEN M; HRUBEC J; HUET K; HULTQVIST K; JACKSON JN; JACOBSSON R; JALOCHA P; JANIK R; JARLSKOG C; JARLSKOG G; JARRY P; JEANMARIE B; JOHANSSON EK; JONSSON L; JONSSON P; JORAM C; JUILLOT P; KAPUSTA F; KARAFASOULIS K; KATSANEVAS S; KATSOUFIS EC; KERANEN R; KHOKHLOV Y; KHOMENKO BA; KHOVANSKI NN; KING B; KJAER NJ; KLAPP O; KLEIN H; KLUIT P; KNOBLAUCH D; KOKKINIAS P; KORATZINOS M; KORCYL K; KOSTIOUKHINE V; KOURKOUMELIS C; KOUZNETSOV O; KRAMMER M; KREUTER C; KRONKVIST I; KRUMSTEIN Z; KUBINEC P; KUCEWICZ W; KURVINEN K; LACASTA C; LAMSA JW; LANCERI L; LANE DW; LANGEFELD P; LAUGIER JP; LAUHAKANGAS R; LEDER G; LEDROIT F; LEFEBURE V; LEGAN CK; LEISOS A; LEITNER R; LEMONNE J; LENZEN G; LEPELTIER V; LESIAK T; LETHUILLIER M; LIBBY J; LIKO D; LIPNIACKA A; LIPPI I; LOERSTAD B; LOKEN JG; LOPES JH; LOPEZ JM; LOUKAS D; LUTZ P; LYONS L; MACNAUGHTON J; MAHON JR; MAIO A; MALEK A; MALMGREN TGM; MALYCHEV V; MANDL F; MARCO J; MARCO R; MARECHAL B; MARGONI M; MARIN JC; MARIOTTI C; MARKOU A; MARTINEZRIVERO C; MARTINEZVIDAL F; GARCIA SMI; MATORRAS F; MATTEUZZI C; MATTHIAE G; MAZZUCATO F; MAZZUCATO M; MCCUBBIN M; MCKAY R; MCNULTY R; MCPHERSON G; MEDBO J; MERONI C; MEYER WT; MICHELOTTO M; MIGLIORE E; MIRABITO L; MITAROFF WA; MJOERNMARK U; MOA T; MOELLER R; MOENIG K; MONGE MR; MOREAU X; MORETTINI P; MUENICH K; MULDERS M; MUNDIM LM; MURRAY WJ; MURYN B; MYATT G; MYKLEBUST T; NARAGHI F; NAVARRIA FL; NAVAS S; NAWROCKI K; NEGRI P; NEMECEK S; NEUFELD N; NEUMANN W; NEUMEISTER N; NICOLAIDOU R; NIELSEN BS; NIEUWENHUIZEN M; NIKOLAENKO V; NIKOLENKO M; NISS P; NOMEROTSKI A; NORMAND A; NYGREN A; OBERSCHULTEBECKMANN W; OBRAZTSOV V; OLSHEVSKI AG; ONOFRE A; ORAVA R; ORAZI G; OSTERBERG K; OURAOU A; PAGANINI P; PAGANONI M; PAIANO S; PAIN R; PAIVA R; PALKA H; PAPADOPOULOU TD; PAPAGEORGIOU K; PAPE L; PARKES C; PARODI F; PARZEFALL U; PASSERI A; PEGORARO M; PERALTA L; PERNEGGER H; PERNICKA M; PERROTTA A; PETRIDOU C; PETROLINI A; PHILLIPS HT; PIANA G; PIERRE F; PIMENTA M; PIOTTO E; 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; REBECCHI P; REDAELLI NG; REGLER M; REID D; REINHARDT R; RENTON PB; RESVANIS LK; RICHARD F; RIDKY J; RINAUDO G; ROHEN O; ROMERO A; RONCHESE P; ROSENBERG EI; ROSINSKY P; ROUDEAU P; ROVELLI T; RUHLMANNKLEIDER V; RUIZ A; SAARIKKO H; SACQUIN Y; SADOVSKY A; SAJOT G; SALT J; SAMPSONIDIS D; SANNINO M; SCHNEIDER H; SCHWICKERATH U; SCHYNS MAE; SCURI F; SEAGER P; SEDYKH Y; SEGAR AM; SEKULIN R; SHELLARD RC; SHERIDAN A; SILVESTRE R; SIMONETTO F; SISAKIAN AN; SKAALI TB; SMADJA G; SMIRNOV N; SMIRNOVA O; SMITH GR; SOLOVIANOV O; SOPCZAK A; 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; TCHIKILEV O; TEGENFELDT F; TERRANOVA F; 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; TYNDEL M; TZAMARIAS S; UEBERSCHAER B; ULLALAND O; UVAROV V; VODOPYANOV AS; VRBA V;
Indirizzi:
FCUL,IST,LIP,AV ELIAS GARCIA 14-1O PT-1000 LISBON PORTUGAL IOWA STATE UNIV,DEPT PHYS & ASTRON AMES IA 50011 UNIV INSTELLING ANTWERP,DEPT PHYS BE-2610 WILRIJK BELGIUM VUB,ULB,IIHE BE-1050 BRUSSELS BELGIUM UNIV ETAT MONS,FAC SCI BE-7000 MONS BELGIUM UNIV ATHENS,PHYS LAB GR-10680 ATHENS GREECE UNIV BERGEN,DEPT PHYS NO-5007 BERGEN NORWAY UNIV BOLOGNA,DIPARTIMENTO FIS IT-40126 BOLOGNA ITALY INFN IT-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,FAC MATH & PHYS SK-84215 BRATISLAVA SLOVAKIA COLL FRANCE,PHYS CORPUSCULAIRE LAB,IN2P3,CNRS FR-75231 PARIS 05 FRANCE CERN CH-1211 GENEVA 23 SWITZERLAND ULP,INST RECH SUBATOM,IN2P3,CNRS FR-67037 STRASBOURG FRANCE NCSR DEMOKRITOS,INST NUCL PHYS GR-15310 ATHENS GREECE CAS,FZU,INST PHYS,DIV HIGH ENERGY PHYS CZ-18040 PRAGUE 8 CZECH REPUBLIC UNIV GENOA,DIPARTIMENTO FIS IT-16146 GENOA ITALY INFN IT-16146 GENOA ITALY UNIV GRENOBLE 1,CNRS,IN2P3,INST SCI NUCL FR-38026 GRENOBLE FRANCE HELSINKI INST PHYS,HIP FI-00014 HELSINKI FINLAND JOINT INST NUCL RES RU-101000 MOSCOW RUSSIA UNIVERSITAT KARLSRUHE,INST EXPT KERNPHYS DE-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 FR-91405 ORSAY FRANCE UNIV LANCASTER,SCH PHYS & MAT LANCASTER LA1 4YB ENGLAND UNIV LIVERPOOL,DEPT PHYS LIVERPOOL L69 3BX MERSEYSIDE ENGLAND UNIV PARIS 06,LPNHE,IN2P3,CNRS FR-75252 PARIS 05 FRANCE UNIV PARIS 07 FR-75252 PARIS 05 FRANCE LUND UNIV,DEPT PHYS SE-22363 LUND SWEDEN UNIVERSITE CLAUDE BERNARD,INPL,IN2P3,CNRS FR-69622 VILLEURBANNE FRANCE UNIV AIX MARSEILLE 2,CPP,IN2P3,CNRS FR-13288 MARSEILLE 09 FRANCE UNIV MILAN,DIPARTIMENTO FIS IT-20133 MILAN ITALY INFN IT-20133 MILAN ITALY NIELS BOHR INST DK-2100 COPENHAGEN O DENMARK CHARLES UNIV,NC,NUCL CTR MFF,AREAL MFF CZ-18000 PRAGUE 8 CZECH REPUBLIC NIKHEF NL-1009 DB AMSTERDAM NETHERLANDS NATL TECH UNIV ATHENS,DEPT PHYS GR-15773 ATHENS GREECE UNIV OSLO,DEPT PHYS NO-1000 OSLO 3 NORWAY UNIV OVIEDO,DPTO FIS ES-33007 OVIEDO 3 SPAIN UNIV OXFORD,DEPT PHYS OXFORD OX1 3RH ENGLAND UNIV PADUA,DIPARTIMENTO FIS IT-35131 PADUA ITALY INFN IT-35131 PADUA ITALY RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS IT-00173 ROME ITALY INFN IT-00173 ROME ITALY CEA SACLAY,DAPNIA,SERV PHYS PARTICULES FR-91191 GIF SUR YVETTE FRANCE IST NAZL FIS NUCL,IST SUPER SANITA IT-00161 ROME ITALY UC,CSIC,INST FIS CANTABRIA ES-39006 SANTANDER SPAIN INST HIGH ENERGY PHYS PROTVINO MOSCOW REGION RUSSIA JOZEF STEFAN INST SI-1000 LJUBLJANA SLOVENIA SCH ENVIRONM SCI,DEPT ASTROPARTICLE PHYS SI-5000 NOVA GORICA SLOVENIA UNIV LJUBLJANA,DEPT PHYS SI-1000 LJUBLJANA SLOVENIA STOCKHOLM UNIV,FYSIKUM SE-11385 STOCKHOLM SWEDEN UNIV TORINO,DIPARTIMENTO FIS SPERIMENTALE IT-10125 TURIN ITALY INFN IT-10125 TURIN ITALY UNIV TRIESTE,DIPARTIMENTO FIS IT-34127 TRIESTE ITALY INFN IT-34127 TRIESTE ITALY UNIV UDINE,IST FIS IT-33100 UDINE ITALY UNIV FED RIO DE JANEIRO,ILHA FUNDAO BR-21945970 RIO JANEIRO BRAZIL UNIV UPPSALA,DEPT RADIAT SCI SE-75121 UPPSALA SWEDEN IFIC,VALENCIA CSIC ES-46100 BURJASSOT VALENCIA SPAIN U VALENCIA,DFAMN ES-46100 BURJASSOT VALENCIA SPAIN OSTERR AKAD WISSENSCH,INST HOCHENERGIEPHYS AT-1050 VIENNA AUSTRIA INST NUCL STUDIES PL-00681 WARSAW POLAND UNIV WARSAW PL-00681 WARSAW POLAND UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS DE-42097 WUPPERTAL GERMANY
Titolo Testata:
Physics letters. Section B
fascicolo: 1-2, volume: 426, anno: 1998,
pagine: 193 - 206
SICI:
0370-2693(1998)426:1-2<193:MOTICA>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
DELPHI DETECTOR; MICROVERTEX DETECTOR; DECAY; PHYSICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
P. Abreu et al., "MEASUREMENT OF THE INCLUSIVE CHARMLESS AND DOUBLE-CHARM-B BRANCHING RATIOS", Physics letters. Section B, 426(1-2), 1998, pp. 193-206

Abstract

The DELPHI experiment at LEP has measured the inclusive charmless B hadron decay branching ratio, the B branching ratio into two charmed particles, and the total number of charmed particles per B decay, using the hadronic Z data taken between 1992 and 1995. The results are extracted from a fit to the b-tagging probability distribution based on theprecise impact parameter measurements made using the microvertex detector. The inclusive charmless B branching ratio, including B decays into hidden charm (c (c) over bar), is measured to be 0.033 +/- 0.021. The B branching ratio into two open charmed particles is 0.136 +/- 0.042. The mean number of charmed particles per B decay (including hidden charm) is 1.147 +/- 0.041. After subtracting the B decay branching ratio into hidden charm, the charmless B branching ratio is found to be 0.007 +/- 0.021, compatible with the Standard Model expectation. Modelsthat predict an additional contribution to the charmless B branching ratio of 0.037 or higher are excluded with at least 95% confidence. (C) 1998 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/11/20 alle ore 12:16:12