A SEARCH FOR LEPTON FLAVOR VIOLATION IN Z0 DECAYS

被引：12

作者：

ABREU, P

ADAM, W

ADYE, T

AGASI, E

ALEKSEEV, GD

ALGERI, A

ALLEN, P

ALMEHED, S

ALVSVAAG, SJ

AMALDI, U

ANASSONTZIS, EG

ANDREAZZA, A

ANTILOGUS, P

APEL, WD

APSIMON, RJ

ASMAN, B

AUGUSTIN, JE

AUGUSTINUS, A

BAILLON, P

BAMBADE, P

BARAO, F

BARATE, R

BARBIELLINI, G

BARDIN, DY

BARKER, G

BARONCELLI, A

BARRING, O

BARRIO, JA

BARTL, W

BATES, MJ

BATTAGLIA, M

BAUBILLIER, M

BECKS, KH

BEESTON, CJ

BEGALLI, M

BEILLIERE, P

BELOKOPYTOV, Y

BELTRAN, P

BENEDIC, D

BENVENUTI, AC

BERGGREN, M

BERTRAND, D

BIANCHI, F

BILENKY, MS

BILLOIR, P

BJARNE, J

BLOCH, D

BLYTH, S

BOCCI, V

BOGOLUBOV, PN

机构：

[1] AUSTRIAN ACAD SCI, INST HOCHENERGIEPHYS, A-1050 VIENNA, AUSTRIA

[2] NIKHEF H, 1009 DB AMSTERDAM, NETHERLANDS

[3] JOINT INST NUCL RES, DUBNA 101000, RUSSIA

[4] SEFT, HIGH ENERGY PHYS RES INST, SF-00170 HELSINKI 17, FINLAND

[5] UNIV VALENCIA, CSIC, IFIC VALENCIA, E-46100 BURJASSOT, SPAIN

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

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

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

[9] INFN, I-20133 MILAN, ITALY

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

[11] INFN, I-34127 TRIESTE, ITALY

[12] UNIV OXFORD, NUCL PHYS LAB, OXFORD OX1 3RH, ENGLAND

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

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

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

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

[17] NCSR DEMOKRITES, INST NUCL PHYS, GR-15310 ATHENS, GREECE

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

[19] INFN, I-40126 BOLOGNA, ITALY

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

[21] INFN, I-10125 TURIN, ITALY

[22] UNIV ROME 2, DIPARTIMENTO FIS, I-00173 ROME, ITALY

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

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

[25] UNIV SANTANDER, FAC CIENCIAS, E-39005 SANTANDER, SPAIN

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

[27] INST NUCL STUDIES, PL-00681 WARSAW, POLAND

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

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

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

[31] CHARLES UNIV, MFF, CTR NUCL, NC, CS-18000 PRAGUE 8, CZECHOSLOVAKIA

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

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

[34] UNIV VALENCIA, DFAMN, E-46100 BURJASSOT, SPAIN

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

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

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

[38] UNIV KARLSRUHE, INST EXPTL KERNPHYS, W-7500 KARLSRUHE 1, GERMANY

[39] UNIV STOCKHOLM, INST PHYS, S-11346 STOCKHOLM, SWEDEN

[40] UNIV PARIS 11, ACCELERATEUR LINEAIRE LAB, F-91405 ORSAY, FRANCE

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

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

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

[44] UNIV GESAMTHSCH WUPPERTAL, FACHBEREICH PHYS, W-5600 WUPPERTAL 1, GERMANY

[45] COLL FRANCE, PHYS CORPUSCULAIRE LAB, F-75231 PARIS 05, FRANCE

[46] PROTVINO HIGH ENERGY PHYS INST, PROTVINO 142284, RUSSIA

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

[48] UNIV INSTELLING ANTWERP, DEPT PHYS, B-2610 Antwerp, BELGIUM

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

[50] UNIV TURIN, DIPARTIMENTO FIS SPERIMENTALE, I-10125 TURIN, ITALY

来源：

PHYSICS LETTERS B | 1993年 / 298卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(93)91737-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for lepton flavour violation through the decays Z0 --> emu, etau and mutau was made with the DELPHI detector at LEP, using a sample corresponding to an integrated luminosity of 11.2 pb-1. The number of candidates was consistent with the estimated background. The upper limit on the branching ratio (at 95% confidence level) for Z0 --> emu was 3.2 x 10(-5), for Z0 --> etau was 10.8 x 10(-5) and for Z0 --> mutau was 13.5 x 10(-5).

引用

页码：247 / 256

页数：10

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