MEASUREMENT OF TIME-DEPENDENT B-D(0) (B)OVER-BAR-D(0) MIXING

被引：16

作者：

ABREU, P

ADAM, W

ADYE, T

AGASI, E

AJINENKO, I

ALEKSAN, R

ALEKSEEV, GD

ALLPORT, PP

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

BARDIN, DY

BARKER, GJ

BARONCELLI, A

BARRING, O

BARRIO, JA

BARTL, W

BATES, MJ

BATTAGLIA, M

BAUBILLIER, M

BAUDOT, J

BECKS, KH

BEGALLI, M

BEILLIERE, P

BELOUS, K

BELTRAN, P

BENVENUTI, AC

BERGGREN, M

BERTRAND, D

BIANCHI, F

BIGI, M

BILENKY, MS

BILLOIR, P

BJARNE, J

BLOCH, D

BLOCKI, J

BLYTH, S

机构：

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

[2] FREE UNIV BRUSSELS, VUB, IIHE, B-1050 BRUSSELS, BELGIUM

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

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

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

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

[7] IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY

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

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

[10] UNIV STRASBOURG 1, CTR RECH NUCL, CNRS, IN2P3, F-67037 STRASBOURG, FRANCE

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

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

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

[14] IST NAZL FIS NUCL, I-16146 GENOA, ITALY

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

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

[17] JOINT INST NUCL RES DUBNA, MOSCOW 101000, RUSSIA

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

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

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

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

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

[23] UNIV LIVERPOOL, DEPT PHYS, LIVERPOOL L69 3BX, MERSEYSIDE, ENGLAND

[24] UNIV PARIS 06, LPNHE, CNRS, IN2P3, F-75252 PARIS 05, FRANCE

[25] UNIV PARIS 07, F-75252 PARIS 05, FRANCE

[26] LUND UNIV, DEPT PHYS, S-22363 LUND, SWEDEN

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

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

[29] UNIV AIX MARSEILLE 2, CPP, CNRS, IN2P3, F-13288 MARSEILLE 09, FRANCE

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

[31] IST NAZL FIS NUCL, I-20133 MILAN, ITALY

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

[33] CHARLES UNIV, NUCL CTR MFF, CR-18000 PRAGUE 8, CZECH REPUBLIC

[34] NIKHEF H, 1009 DB AMSTERDAM, NETHERLANDS

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

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

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

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

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

[40] IST NAZL FIS NUCL, I-35131 PADUA, ITALY

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

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

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

[44] IST NAZL FIS NUCL, I-00173 ROME, ITALY

[45] CTE ETUD SACLAY, DSM, DAPNIA, F-91191 GIF SUR YVETTE, FRANCE

[46] IST SUPER SANITA, IST NAZL FIS NUCL, I-00161 ROME, ITALY

[47] UNIV CANTABRIA, CSIC, CEAFM, E-39006 SANTANDER, SPAIN

[48] INST HIGH ENERGY PHYS, PROTVINO, RUSSIA

[49] UNIV LJUBLJANA, JOZEF STEFAN INST, LJUBLJANA 61000, SLOVENIA

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

来源：

PHYSICS LETTERS B | 1994年 / 338卷 / 2-3期

关键词：

D O I：

10.1016/0370-2693(94)91398-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The time dependent mixing of B-d(0)-(B) over bar(d)(0) mesons has been observed by using the correlations between the charge of D-* mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D-*+/- sample corresponding to about 1.7 million hadronic Z(0) decays, the mass difference between the two B-d(0) mass eigenstates has been measured to be hm = 0.50 +/- 0.12 (stat.) +/- 0.06 (syst.) (h) over bar/ps or, converting into eV/c(2): Delta m = [3.29 +/- 0.79 (stat.) +/- 0.39 (syst.)] 10(-4) eV/c(2).

引用

页码：409 / 420

页数：12

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