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Titolo:
MEASUREMENT OF THE B(0) AND B+ LIFETIMES
Autore:
ACTON PD; ALEXANDER G; ALLISON J; ALLPORT PP; ANDERSON KJ; ARCELLI S; ASTBURY A; AXEN D; AZUELOS G; BAHAN GA; BAINES JTM; BALL AH; BANKS J; BARLOW RJ; BARNETT S; BATLEY JR; BEAUDOIN G; BECK A; BECK GA; BECKER J; BEHNKE T; BELL KW; BELLA G; BENTKOWSKI P; BERLICH P; BETHKE S; BIEBEL O; BINDER U; BLOODWORTH IJ; BOCK P; BODEN B; BOSCH HM; BREUKER H; BRIGHTTHOMAS P; BROWN RM; BUIJS A; BURCKHART HJ; BURGARD C; CAPILUPPI P; CARNEGIE RK; CARTER AA; CARTER JR; CHANG CY; CHARLTON DG; CHU SL; CLARKE PEL; COHEN I; CLAYTON JC; COLLINS WJ; CONBOY JE; COOPER M; COUPLAND M; CUFFIANI M; DADO S; DALLAVALLE GM; DEJONG S; DELPOZO LA; DENG H; DIECKMANN A; DITTMAR M; DIXIT MS; SILVA EDE; DUBOSCQ JE; DUCHOVNI E; DUCKECK G; DUERDOTH IP; DUMAS DJP; ELCOMBE PA; ESTABROOKS PG; ETZION E; EVANS HG; FABBRI F; FIERRO M; FINCKEKEELER M; FISCHER HM; FONG DG; FOUCHER M; GAIDOT A; GANEL O; GARY JW; GASCON J; MCGOWAN RF; GEDDES NI; GEICHGIMBEL C; GENSLER SW; GENTIT FX; GIACOMELLI G; GIACOMELLI R; GIBSON V; GIBSON WR; GILLIES JD; GOLDBERG J; GOODRICK MJ; GORN W; GRANDI C; GRANT FC; HAGEMANN J; HANSON GG; HANSROUL M; HARGROVE CK; HARRISON PF; HART J; HATTERSLEY PM; HAUSCHILD M; HAWKES CM; HEFLIN E; HEMINGWAY RJ; HEUER RD; HILL JC; HILLIER SJ; HILSE T; HINSHAW DA; HOBBS JD; HOBSON PR; HOCHMAN D; HOMER RJ; HONMA AK; HUGHESJONES RE; HUMBERT R; IGOKEMENES P; IHSSEN H; IMRIE DC; JANISSEN AC; JAWAHERY A; JEFFREYS PW; JEREMIE H; JIMACK M; JOBES M; JONES RWL; JOVANOVIC P; JUI C; KARLEN D; KAWAGOE K; KAWAMOTO T; KEELER RK; KELLOGG RG; KENNEDY BW; KLUTH S; KOBAYASHI T; KOETKE DS; KOKOTT TP; KOMAMIYA S; KOPKE L; KRAL JF; KOWALEWSKI R; VONKROGH J; KROLL J; KUWANO M; KYBERD P; LAFFERTY GD; LAHMANN R; LAMARCHE F; LAYTER JG; LEBLANC P; LEE AM; LEHTO MH; LELLOUCH D; LEROY C; LETTS J; LEVEGRUN S; LEVINSON L; LLOYD SL; LOEBINGER FK; LORAH JM; LORAZO B; LOSTY MJ; LOU XC; LUDWIG J; MANNELLI M; MARCELLINI S; MARINGER G; MARKUS C; MARTIN AJ; MARTIN JP; MASHIMO T; MATTIG P; MAUR U; MCKENNA J; MCMAHON TJ; MCNUTT JR; MEIJERS F; MENSZNER D; MERRITT FS; MES H; MICHELINI A; MIDDLETON RP; MIKENBERG G; MILDENBERGER J; MILLER DJ; MIR R; MOHR W; MOISAN C; MONTANARI A; MORI T; MORII M; MOUTHUY T; NELLEN B; NGUYEN HH; NOZAKI M; ONEALE SW; OAKHAM FG; ODORICI F; OGREN HO; ORAM CJ; OREGLIA MJ; ORITO S; PANSART JP; PANZERSTEINDEL B; PASCHIEVICI P; PATRICK GN; PAZJAOSHVILI N; PFISTER P; PILCHER JE; PINFOLD J; PITMAN D; PLANE DE; POFFENBERGER P; POLI B; POULADDEJ A; PRITCHARD TW; PRZYSIEZNIAK H; QUAST G; REDMOND MW; REES DL; RICHARDS GE; ROBINSON D; ROLLNIK A; RONEY JM; ROS E; ROSSBERG S; ROSSI AM; ROSVICK M; ROUTENBURG P; RUNGE K; RUNOLFSSON O; RUST DR; SASAKI M; SBARRA C; SCHAILE AD; SCHAILE O; SCHAPPERT W; SCHARFFHANSEN P; SCHENK P; SCHMITT B; VONDERSCHMITT H; SCHREIBER S; SCHWICK C; SCHWIENING J; SCOTT WG; SETTLES M; SHEARS TG; SHEN BC; SHEPHERDTHEMISTOCLEOUS CH; SHERWOOD P; SHYPIT R; SIMON A; SINGH P; SIROLI GP; SKUJA A; SMITH AM; SMITH TJ; SNOW GA; SOBIE R; SPRINGER RW; SPROSTON M; STEPHENS K; STEUERER J; STROHMER R; STROM D; TAKESHITA T; TARAS P; TAREM S; TECCHIO M; TEIXEIRADIAS P; TESCH N; THACKRAY NJ; THOMSON MA; TORRENTELUJAN E; TRANSTROMER G; TRESILIAN NJ; TSUKAMOTO T; TURNER MF; TYSARCZYKNIEMEYER G; VANDENPLAS D; VANKOOTEN R; VANDALEN GJ; VASSEUR G; VIRTUE CJ; WAGNER A; WAGNER DL; WAHL C; WALKER JP; WARD CP; WARD DR; WATKINS PM; WATSON AT; WATSON NK; WEBER M; WEBER P; WELLS PS; WERMES N; WHALLEY MA; WILSON GW; WILSON JA; WINTERER VH; WLODEK T; WOTTON S; WYATT TR; YAARI R; YEAMAN A; YEKUTIELI G; YURKO M; ZEUNER W; ZORN GT;
Indirizzi:
BRUNEL UNIV UXBRIDGE UB8 3PH MIDDX ENGLAND UNIV BIRMINGHAM,SCH PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY INFN I-40126 BOLOGNA ITALY UNIV BONN,INST PHYS W-5300 BONN 1 GERMANY UNIV CALIF RIVERSIDE,DEPT PHYS RIVERSIDE CA 92521 UNIV CAMBRIDGE,CAVENDISH LAB CAMBRIDGE CB3 0HE ENGLAND CARLETON UNIV,DEPT PHYS OTTAWA K1S 5B6 ONTARIO CANADA CARLETON UNIV,CTR RES PARTICLE PHYS OTTAWA K1S 5B6 ONTARIO CANADA CERN,EUROPEAN ORG PARTICLE PHYS CH-1211 GENEVA 23 SWITZERLAND UNIV CHICAGO,ENRICO FERMI INST CHICAGO IL 60637 UNIV CHICAGO,DEPT PHYS CHICAGO IL 60637 UNIV FREIBURG,FAK PHYS W-7800 FREIBURG GERMANY UNIV HEIDELBERG,INST PHYS W-6900 HEIDELBERG GERMANY INDIANA UNIV,DEPT PHYS BLOOMINGTON IN 47405 UNIV LONDON,QUEEN MARY & WESTFIELD COLL LONDON E1 4NS ENGLAND BIRBECK COLL LONDON WC1E 7HV ENGLAND UNIV LONDON UNIV COLL LONDON WC1E 6BT ENGLAND UNIV MANCHESTER,SCHUSTER LAB,DEPT PHYS MANCHESTER M13 9PL LANCS ENGLAND UNIV MARYLAND,DEPT PHYS COLL PK MD 20742 UNIV MONTREAL,PHYS NUCL LAB MONTREAL H3C 3J7 QUEBEC CANADA RUTHERFORD APPLETON LAB DIDCOT OX11 0QX OXON ENGLAND DAPNIA SPP F-91191 GIF SUR YVETTE FRANCE TECHNION ISRAEL INST TECHNOL,DEPT PHYS IL-32000 HAIFA ISRAEL TEL AVIV UNIV,DEPT PHYS & ASTRON IL-69978 TEL AVIV ISRAEL UNIV TOKYO,INT CTR ELEMENTARY PARTICLE PHYS TOKYO 113 JAPAN UNIV TOKYO,DEPT PHYS TOKYO 113 JAPAN KOBE UNIV KOBE 657 JAPAN WEIZMANN INST SCI,DEPT NUCL PHYS IL-76100 REHOVOT ISRAEL UNIV HAMBURG,DESY,INST EXPTL PHYS 2 W-2000 HAMBURG 52 GERMANY UNIV VICTORIA,DEPT PHYS,IPP VICTORIA V8W 3P6 BC CANADA UNIV BRITISH COLUMBIA,DEPT PHYS VANCOUVER V6T 1Z1 BC CANADA UNIV OREGON,DEPT PHYS EUGENE OR 97403 UNIV ALBERTA,DEPT PHYS EDMONTON T6G 2J1 ALBERTA CANADA TRIUMF VANCOUVER V6T 2A3 BC CANADA SHINSHU UNIV MATSUMOTO NAGANO 390 JAPAN
Titolo Testata:
Physics letters. Section B
fascicolo: 1-2, volume: 307, anno: 1993,
pagine: 247 - 261
SICI:
0370-2693(1993)307:1-2<247:MOTBAB>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
DECAY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
29
Recensione:
Indirizzi per estratti:
Citazione:
P.D. Acton et al., "MEASUREMENT OF THE B(0) AND B+ LIFETIMES", Physics letters. Section B, 307(1-2), 1993, pp. 247-261

Abstract

From a data sample of approximately 240 000 hadronic Z0 decays recorded during 1991 a sample of about 130 semileptonic B hadron decays containing a D0, D+ or D+ has been isolated. Using silicon microvertex detector information the decay vertices in these events have been reconstructed. The average B hadron lifetime of the mix of B hadrons in thisevent sample is measured to be 1.51(+0.16/-0.14) +/- 0.11 ps. From the distribution of decay times in the different samples the lifetimes of the B0 and B+ mesons are determined to be 1.51(+0.24+0.12/-0.23-0.14) ps and 1.51(+0.30+0.12/-0.28-0.14) ps, respectively. The measured ratio of the B+ to B0 lifetimes of 1.00(+0.33/-0.25) +/- 0.08 supports expectations that the lifetimes are similar.

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Documento generato il 26/01/20 alle ore 22:40:21