SEARCH FOR LEPTON FLAVOR VIOLATION IN Z(0) DECAYS

被引：11

作者：

ADEVA, B

ADRIANI, O

AGUILARBENITEZ, M

AKBARI, H

ALCARAZ, J

ALOISIO, A

ALVERSON, G

ALVIGGI, MG

AMBROSI, G

AN, Q

ANDERHUB, H

ANDERSON, AL

ANDREEV, VP

ANGELOV, T

ANTONOV, L

ANTREASYAN, D

ARCE, P

AREFIEV, A

AZEMOON, T

AZIZ, T

BABA, PVKS

BAGNAIA, P

BAKKEN, JA

BAKSAY, L

BALL, RC

BANERJEE, S

BAO, J

BARILLERE, R

BARONE, L

BATTISTON, R

BAY, A

BECATTINI, F

BECKER, U

BEHNER, F

BEHRENS, J

BEINGESSNER, S

BENCZE, GL

BERDUGO, J

BERGES, P

BERTUCCI, B

BETEV, BL

BILAND, A

BILEI, GM

BIZZARRI, R

BLAISING, JJ

BLOMEKE, P

BLUMENFELD, B

BOBBINK, GJ

BOCCIOLINI, M

BOCK, R

机构：

[1] UNIV FLORENCE, I-50125 FLORENCE, ITALY

[2] IST NAZL FIS NUCL, I-50125 FLORENCE, ITALY

[3] CTR INVEST ENERGET MEDIOAMBIENTALES TECNOL, E-28040 MADRID, SPAIN

[4] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA

[5] NAPLES UNIV, I-80125 NAPLES, ITALY

[6] IST NAZL FIS NUCL, I-80125 NAPLES, ITALY

[7] NORTHEASTERN UNIV, BOSTON, MA 02115 USA

[8] IST NAZL FIS NUCL, I-06100 PERUGIA, ITALY

[9] UNIV PERUGIA, I-06100 PERUGIA, ITALY

[10] WORLD LAB, FBLJA PROJECT, CH-1211 GENEVA, SWITZERLAND

[11] SWISS FED INST TECHNOL, CH-8093 ZURICH, SWITZERLAND

[12] MIT, CAMBRIDGE, MA 02139 USA

[13] LENINGRAD NUCL PHYS INST, GATCHINA 188350, USSR

[14] CENT LAB AUTOMAT & INSTRUMENTAT, SOFIA, BULGARIA

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

[16] THEORET & EXPTL PHYS INST, MOSCOW 117259, USSR

[17] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA

[18] TATA INST FUNDAMENTAL RES, BOMBAY 400005, INDIA

[19] IST NAZL FIS NUCL, I-00185 ROME, ITALY

[20] UNIV ALABAMA, UNIVERSITY, AL 35486 USA

[21] UNIV ROME LA SAPIENZA, I-00185 ROME, ITALY

[22] UNIV GENEVA, CH-1211 GENEVA 4, SWITZERLAND

[23] PRINCETON UNIV, PRINCETON, NJ 08544 USA

[24] LAB PHYS PARTICULES, F-74519 ANNECY LE VIEUX, FRANCE

[25] HUNGARIAN ACAD SCI, CENT RES INST, H-1525 BUDAPEST 114, HUNGARY

[26] RHEIN WESTFAL TH AACHEN, INST PHYS 1, W-5100 AACHEN, GERMANY

[27] RHEIN WESTFAL TH AACHEN, INST PHYS 3, W-5100 AACHEN, GERMANY

[28] NATL INST HIGH ENERGY PHYS, 1009 DB AMSTERDAM, NETHERLANDS

[29] UNIV CALIF SAN DIEGO, SAN DIEGO, CA 92182 USA

[30] CARNEGIE MELLON UNIV, PITTSBURGH, PA 15213 USA

[31] PURDUE UNIV, W LAFAYETTE, IN 47907 USA

[32] UNIV LYON 1, INST PHYS NUCL LYON, INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, F-69622 VILLEURBANNE, FRANCE

[33] UNIV CALIF LAWRENCE LIVERMORE NATL LAB, LIVERMORE, CA 94550 USA

[34] HIGH ENERGY PHYS GRP, TAIPEI, TAIWAN

[35] INST HIGH ENERGY PHYS, BEIJING, PEOPLES R CHINA

[36] UNIV SCI & TECHNOL CHINA, HEFEI 230029, PEOPLES R CHINA

[37] OAK RIDGE NATL LAB, OAK RIDGE, TN 37830 USA

[38] CATHOLIC UNIV NIJMEGEN, 6525 ED NIJMEGEN, NETHERLANDS

[39] PAUL SCHERRER INST, WURENLINGEN, SWITZERLAND

[40] SHANGHAI INST CERAM, SHANGHAI, PEOPLES R CHINA

[41] INST HOCHENERGIEPHYS, O-1615 ZEUTHEN, GERMANY

[42] UNIV LAUSANNE, CH-1015 LAUSANNE, SWITZERLAND

[43] CALTECH, PASADENA, CA 91125 USA

[44] UNIV CALIF LOS ALAMOS SCI LAB, LOS ALAMOS, NM 87544 USA

[45] HARVARD UNIV, CAMBRIDGE, MA 02139 USA

[46] UNION UNIV UNION COLL, SCHENECTADY, NY 12308 USA

[47] UNIV HAMBURG, W-2000 HAMBURG 13, GERMANY

来源：

PHYSICS LETTERS B | 1991年 / 271卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(91)90117-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have searched for lepton flavour violation in Z0 boson decays into lepton pairs, Z0 --> mu-tau, Z0 --> e-tau, and Z0 --> e-mu. The data sample is based on an integrated luminosity of 10.4 pb-1 corresponding to 370 000 Z0's produced. We obtain upper limits on the branching ratios of 4.8 x 10(-5) for the mu-tau, 3.4 x 10(-5) for the e-tau and 2.4 x 10(-5) for the e-mu decay modes at the 95% confidence level.

引用

页码：453 / 460

页数：8

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