1ST MEASUREMENT OF THE B(S) MESON MASS

被引：35

作者：

BUSKULIC, D

DEBONIS, J

DECAMP, D

GHEZ, P

GOY, C

LEES, JP

MINARD, MN

PIETRZYK, B

ARIZTIZABAL, F

COMAS, P

CRESPO, JM

DELFINO, M

EFTHYMIOPOULOS, I

FERNANDEZ, E

FERNANDEZBOSMAN, M

GAITAN, V

GARRIDO, L

MATTISON, T

PACHECO, A

PADILLA, C

PASCUAL, A

CREANZA, D

DEPALMA, M

FARILLA, A

IASELLI, G

MAGGI, G

NATALI, S

NUZZO, S

QUATTROMINI, M

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

BLUCHER, E

机构：

[1] UNIV AUTONOMA BARCELONA, INST FIS ALTES ENERGIES, E-08193 BARCELONA, SPAIN

[2] UNIV BARI, DIPARTIMENTO FIS, I-70126 BARI, ITALY

[3] INFN, SEZ BARI, I-70126 BARI, ITALY

[4] CHINESE ACAD SCI, INST HIGH ENERGY PHYS, BEIJING, PEOPLES R CHINA

[5] CERN, EUROPEAN LAB PARTICULE PHYS, CH-1211 GENEVA 23, SWITZERLAND

[6] UNIV CLERMONT FERRAND, PHYS CERPUSCULAIRE LAB, CNRS, IN2P3, F-63177 CLERMONT FERRAND, FRANCE

[7] NIELS BOHR INST, DK-2100 COPENHAGEN, DENMARK

[8] DEMOKRITOS NATL CTR SCI RES, ATHENS, GREECE

[9] ECOLE POLYTECH, PHYS NUCL & HAUTES ENERGIES LAB, CNRS, IN2P3, F-91128 PALAISEAU, FRANCE

[10] UNIV EDINBURGH, DEPT PHYS, EDINBURGH EH9 3JZ, MIDLOTHIAN, SCOTLAND

[11] UNIV FLORENCE, DIPARTIMENTO FIS, INFN, SEZ FIRENZE, I-50125 FLORENCE, ITALY

[12] FLORIDA STATE UNIV, SUPERCOMP COMPUTAT RES INST, TALLAHASSEE, FL 32306 USA

[13] FLORIDA STATE UNIV, DEPT PHYS, TALLAHASSEE, FL 32306 USA

[14] INFN, LNF, NAZL LAB, I-00044 FRASCATI, ITALY

[15] UNIV GLASGOW, DEPT PHYS & ASTRON, GLASGOW G12 8QQ, SCOTLAND

[16] UNIV HEIDELBERG, INST HOCHENERGIEPHYS, W-6900 HEIDELBERG, GERMANY

[17] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED, DEPT PHYS, LONDON SW7 2BZ, ENGLAND

[18] UNIV INNSBRUCK, INST EXPTL PHYS, A-6020 INNSBRUCK, AUSTRIA

[19] UNIV LANCASTER, DEPT PHYS, LANCASTER LA1 4YB, ENGLAND

[20] UNIV MAINZ, INST PHYS, W-6500 MAINZ, GERMANY

[21] FAC SCI LUMINY, CTR PHYS PARTICULES, F-13288 MARSEILLE 9, FRANCE

[22] MAX PLANCK INST PHYS & ASTROPHYS, WERNER HEISENBERG INST, W-8000 MUNICH, GERMANY

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

[24] UNIV PISA, DIPARTIMENTO FIS, INFN, SEZ PISA, I-56010 PISA, ITALY

[25] SCUOLA NORMALE SUPER PISA, I-56100 PISA, ITALY

[26] UNIV LONDON, ROYAL HOLLOWAY & BEDFORD NEW COLL, EGHAM TW20 0EX, SURREY, ENGLAND

[27] RUTHERFORD APPLETON LAB, DEPT PARTICLE PHYS, DIDCOT OX11 0QX, OXON, ENGLAND

[28] CE SACLAY, DAPNIA, SERV PHYS PARTICULES, F-91191 GIF SUR YVETTE, FRANCE

[29] UNIV CALIF SANTA CRUZ, INST PARTICLE PHYS, SANTA CRUZ, CA 95064 USA

[30] UNIV SHEFFIELD, DEPT PHYS, SHEFFIELD S3 7RH, S YORKSHIRE, ENGLAND

[31] UNIV SHEFFIELD, DEPT PHYS, SHEFFIELD S3 7RH, S YORKSHIRE, ENGLAND

[32] UNIV GESAMTHSCH SIEGEN, FACHBEREICH PHYS, W-5900 SIEGEN 21, GERMANY

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

[34] INFN, SEZ TRIESTE, I-34127 TRIESTE, ITALY

[35] UNIV WISCONSIN, DEPT PHYS, MADISON, WI 53706 USA

[36] UNIV WASHINGTON, SEATTLE, WA 98195 USA

[37] UNIV TURIN, IST FIS GEN, I-10124 TURIN, ITALY

[38] CNR, IST COSMO GEOFIS, TURIN, ITALY

[39] CERN, DIV PPE, CH-1211 GENEVA 23, SWITZERLAND

[40] UNIV NAPLES, DIPARTIMENTO SCI FIS, I-80138 NAPLES, ITALY

[41] UNIV SASSARI, IST MATEMAT & FIS, I-07100 SASSARI, ITALY

来源：

PHYSICS LETTERS B | 1993年 / 311卷 / 1-4期

关键词：

D O I：

10.1016/0370-2693(93)90588-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In a sample of about 1.1 million hadronic Z decays recorded with the ALEPH detector during the 1990-1992 running of LEP, two unambiguous B(S) meson candidates were observed. From these events the mass of the B(S) meson has been measured to be 5.3686 +/- 0.0056 (stat.) +/- 0.0015 (syst.) GeV.

引用

页码：425 / 436

页数：12

共 20 条

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