A MEASUREMENT OF THE B(S)0 MESON MASS

被引：13

作者：

ABREU, P

ADAM, W

ADYE, T

AGASI, E

ALEKSAN, R

ALEKSEEV, GD

ALLPORT, P

ALMEHED, S

ALMEIDA, FML

ALVSVAAG, SJ

AMALDI, U

ANDREAZZA, A

ANTILOGUS, P

APEL, WD

APSIMON, RJ

ARNOUD, Y

ASMAN, B

AUGUSTIN, JE

AUGUSTINUS, A

BAILLON, P

BAMBADE, P

BARAO, F

BARATE, R

BARBIELLINI, G

BARDIN, DY

BARKER, GJ

BARONCELLI, A

BARRING, O

BARRIO, JA

BARTL, W

BATES, MJ

BATTAGLIA, M

BAUBILLIER, M

BECKS, KH

BEGALLI, M

BEILLIERE, P

BELOKOPYTOV, Y

BELTRAN, P

BENVENUTI, AC

BERGGREN, M

BERTRAND, D

BIANCHI, F

BIGI, M

BILENKY, MS

BILLOIR, P

BJARNE, J

BLOCH, D

BLOCKI, J

BLYTH, S

BOCCI, V

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS,AMES,IA 50011

[2] UNIV INSTELLING ANTWERP,DEPT PHYS,B-2610 WILRIJK,BELGIUM

[3] UNIV ETAT MONS,FAC SCI,B-7000 MONS,BELGIUM

[4] UNIV BOLOGNA,DIPARTIMENTO FIS,I-40126 BOLOGNA,ITALY

[5] COLL FRANCE,IN2P3,CNRS,PHYS CORPUSCULAIRE LAB,F-75231 PARIS 05,FRANCE

[6] CERN,CH-1211 GENEVA 23,SWITZERLAND

[7] UNIV GENOA,DIPARTIMENTO FIS,I-16146 GENOA,ITALY

[8] INST NUCL PHYS,HIGH ENERGY PHYS LAB,PL-30055 KRAKOW 30,POLAND

[9] UNIV PARIS 11,IN2P3,CNRS,ACCELERATEUR LINEAIRE LAB,F-91405 ORSAY,FRANCE

[10] UNIV LYON 1,IPNL,IN2P3,CNRS,F-69622 VILLEURBANNE,FRANCE

[11] INFN,I-16146 GENOA,ITALY

[12] UNIV LIVERPOOL,DEPT PHYS,LIVERPOOL L69 3BX,ENGLAND

[13] LUND UNIV,DEPT PHYS,S-22362 LUND,SWEDEN

[14] UNIV LANCASTER,SCH PHYS & MAT,LANCASTER LA1 4YB,ENGLAND

[15] VUB,ULB,IIHE,B-1050 BRUSSELS,BELGIUM

[16] UNIV ATHENS,PHYS LAB,GR-10680 ATHENS,GREECE

[17] UNIV BERGEN,DEPT PHYS,N-5007 BERGEN,NORWAY

[18] INFN,I-40126 BOLOGNA,ITALY

[19] ULP,IN2P3,CNRS,CTR RECH NUCL,F-67037 STRASBOURG,FRANCE

[20] NCSR DEMOKRITOS,INST NUCL PHYS,GR-15310 ATHENS,GREECE

[21] FZU,DIV CAS HIGH ENERGY PHYS,INST PHYS,CS-18040 PRAGUE 8,CZECH REPUBLIC

[22] UNIV GRENOBLE 1,IN2P3,CNRS,INST SCI NUCL,F-38026 GRENOBLE,FRANCE

[23] JOINT INST NUCL RES,MOSCOW 101000,RUSSIA

[24] UNIV KARLSRUHE,INST EXPTL KERNPHYS,D-76128 KARLSRUHE,GERMANY

[25] CTR BRASILEIRO PESQUISAS FIS,BR-22290 RIO JANEIRO,BRAZIL

[26] FCUL,IST,LIP,P-1000 LISBON,PORTUGAL

[27] UNIV PARIS 06 & 07,IN2P3,CNRS,LPNHE,F-75252 PARIS 05,FRANCE

[28] UNIV COMPLUTENSE MADRID,E-28040 MADRID,SPAIN

[29] UNIV HELSINKI,SEFT,HIGH ENERGY PHYS RES INST,SF-00014 HELSINKI,FINLAND

[30] UNIV MILAN,DIPARTIMENTO FIS,I-20133 MILAN,ITALY

[31] UNIV PADUA,DIPARTIMENTO FIS,I-35131 PADUA,ITALY

[32] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

[33] UNIV STOCKHOLM,S-11385 STOCKHOLM,SWEDEN

[34] INFN,I-00173 ROME,ITALY

[35] UNIV LJUBLJANA,DEPT PHYS,61000 LJUBLJANA,SLOVENIA

[36] UNIV TRIESTE,DIPARTIMENTO FIS,I-34127 TRIESTE,ITALY

[37] UNIV UDINE,IST FIS,I-33100 UDINE,ITALY

[38] UNIV AIX MARSEILLE 02,CPP,IN2P3,CNRS,F-13288 MARSEILLE 09,FRANCE

[39] INFN,I-20133 MILAN,ITALY

[40] NIELS BOHR INST,DK-2100 COPENHAGEN 0,DENMARK

[41] CHARLES UNIV,NUCL CTR MFF,CS-18000 PRAGUE 8,CZECH REPUBLIC

[42] NATL INST NUCL PHYS & HIGH ENERGY PHYS,1009 DB AMSTERDAM,NETHERLANDS

[43] NATL TECH UNIV ATHENS,DEPT PHYS,GR-15773 ATHENS,GREECE

[44] UNIV OSLO,DEPT PHYS,N-1000 OSLO 3,NORWAY

[45] UNIV OVIEDO,DEPT FIS,E-33006 OVIEDO,SPAIN

[46] UNIV OXFORD,DEPT PHYS,OXFORD OX1 3RH,ENGLAND

[47] INFN,I-35131 PADUA,ITALY

[48] PONTIFICIA UNIV CATOLICA,DEPT FIS,BR-22453 RIO JANEIRO,BRAZIL

[49] UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS,I-00173 ROME,ITALY

[50] CTR ETUD SACLAY,DSM,DAPNIA,F-91191 GIF SUR YVETTE,FRANCE

来源：

PHYSICS LETTERS B | 1994年 / 324卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(94)90230-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Strange beauty mesons B(s)0 have been reconstructed through exclusive hadronic final states, using the data collected in 1992 by the DELPHI experiment at the LEP collider. The analysis relies on the combined use of accurate tracking and of the hadron identification capabilities of DELPHI. Three B(s)0 decay candidates have been selected over a negligible background using the D(s)- pi+, D(s)- a1+ (1260) and J/ psi phi decay modes, with identified kaons in the final state. The B(s)0 meson mass is measured to be m(b)s = (5374 +/- 16 +/- 2) MeV/c2.

引用

页码：500 / 508

页数：9

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