Search for lepton flavour number violating Z(0)-decays

被引:0
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作者
Abreu, P
Adam, W
Adye, T
Ajinenko, I
Alekseev, GD
Alemany, R
Allport, PP
Almehed, S
Amaldi, U
Amato, S
Andreazza, A
Andrieux, ML
Antilogus, P
Apel, WD
Asman, B
Augustin, JE
Augustinus, A
Baillon, P
Bambade, P
Barao, F
Barate, R
Barbi, M
Bardin, DY
Baroncelli, A
Barring, O
Barrio, JA
Bartl, W
Bates, MJ
Battaglia, M
Baubillier, M
Baudot, J
Becks, KH
Begalli, M
Beilliere, P
Belokopytov, Y
Belous, K
Benvenuti, AC
Berggren, M
Bertini, D
Bertrand, D
Besancon, M
Bianchi, F
Bigi, M
Bilenky, MS
Billoir, P
Bizouard, MA
Bloch, D
Blume, M
Bolognese, T
Bonesini, M
机构
[1] IOWA STATE UNIV, DEPT PHYS & ASTRON, AMES, IA 50011 USA
[2] UNIV INSTELLING ANTWERP, DEPT PHYS, B-2610 Antwerp, BELGIUM
[3] FREE UNIV BRUSSELS, ULB, IIHE, B-1050 BRUSSELS, BELGIUM
[4] UNIV MONS, FAC SCI, B-7000 MONS, BELGIUM
[5] UNIV ATHENS, PHYS LAB, GR-10680 ATHENS, GREECE
[6] UNIV BERGEN, DEPT PHYS, N-5007 BERGEN, NORWAY
[7] UNIV BOLOGNA, DIPARTIMENTO FIS, I-40126 BOLOGNA, ITALY
[8] IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY
[9] CTR BRASILEIRO PESQUISAS FIS, BR-22290 RIO DE JANEIRO, BRAZIL
[10] PONTIFICIA UNIV CATOLICA RIO DE JANEIRO, DEPT FIS, BR-22453 RIO DE JANEIRO, BRAZIL
[11] UNIV ESTADUAL RIO DE JANEIRO, INST FIS, RIO DE JANEIRO, BRAZIL
[12] COMENIUS UNIV BRATISLAVA, FAC MATH & PHYS, SK-84215 BRATISLAVA, SLOVAKIA
[13] COLL FRANCE, PHYS CORPUSCULAIRE LAB, IN2P3, CNRS, F-75231 PARIS 05, FRANCE
[14] CERN, CH-1211 GENEVA 23, SWITZERLAND
[15] ULP, CNRS, IN2P3, CTR RECH NUCL, F-67037 STRASBOURG, FRANCE
[16] DEMOKRITOS NATL CTR SCI RES, INST NUCL PHYS, GR-15310 ATHENS, GREECE
[17] CAS, DIV HIGH ENERGY PHYS, INST PHYS, FZU, PRAGUE 18040 8, CZECH REPUBLIC
[18] UNIV GENOA, DIPARTIMENTO FIS, I-16146 GENOA, ITALY
[19] IST NAZL FIS NUCL, I-16146 GENOA, ITALY
[20] UNIV GRENOBLE 1, INST SCI NUCL, IN2P3, CNRS, F-38026 ST MARTIN DHERES, FRANCE
[21] SEFT, HIGH ENERGY PHYS RES INST, FIN-00014 HELSINKI, FINLAND
[22] JOINT INST NUCL RES, DUBNA 101000, RUSSIA
[23] UNIV KARLSRUHE, INST EXPT KERNPHYS, D-76128 KARLSRUHE, GERMANY
[24] INST NUCL PHYS, PL-30055 KRAKOW, POLAND
[25] UNIV MIN & MET KRAKOW, PL-30055 KRAKOW, POLAND
[26] UNIV PARIS 11, ACCELERATEUR LINEAIRE LAB, IN2P3, CNRS, F-91405 ORSAY, FRANCE
[27] UNIV LANCASTER, SCH PHYS & CHEM, LANCASTER LA1 4YB, ENGLAND
[28] UNIV LIVERPOOL, DEPT PHYS, LIVERPOOL L69 3BX, MERSEYSIDE, ENGLAND
[29] UNIV PARIS 06, LPNHE, IN2P3, CNRS, F-75252 PARIS 05, FRANCE
[30] UNIV PARIS 07, F-75252 PARIS 05, FRANCE
[31] LUND UNIV, DEPT PHYS, S-22363 LUND, SWEDEN
[32] UNIV LYON 1, IPNL, IN2P3, CNRS, F-69622 VILLEURBANNE, FRANCE
[33] UNIV COMPLUTENSE MADRID, E-28040 MADRID, SPAIN
[34] UNIV AIX MARSEILLE 2, CPP, IN2P3, CNRS, F-13288 MARSEILLE 09, FRANCE
[35] UNIV MILAN, DIPARTIMENTO FIS, I-20133 MILAN, ITALY
[36] IST NAZL FIS NUCL, I-20133 MILAN, ITALY
[37] NIELS BOHR INST, DK-2100 COPENHAGEN O, DENMARK
[38] CHARLES UNIV, NUCL CTR MFF, PRAGUE 18000 8, CZECH REPUBLIC
[39] NIKHEF H, NL-1009 DB AMSTERDAM, NETHERLANDS
[40] NATL TECH UNIV ATHENS, DEPT PHYS, GR-15773 ATHENS, GREECE
[41] UNIV OSLO, DEPT PHYS, N-1000 OSLO 3, NORWAY
[42] UNIV OVIEDO, DEPT FIS, OVIEDO 33006, SPAIN
[43] UNIV OXFORD, DEPT PHYS, OXFORD OX1 3RH, ENGLAND
[44] UNIV PADUA, DIPARTIMENTO FIS, I-35131 PADUA, ITALY
[45] IST NAZL FIS NUCL, I-35131 PADUA, ITALY
[46] RUTHERFORD APPLETON LAB, DIDCOT OX11 0QX, OXON, ENGLAND
[47] UNIV ROMA TOR VERGATA, DIPARTIMENTO FIS, I-00173 ROME, ITALY
[48] IST NAZL FIS NUCL, I-00173 ROME, ITALY
[49] CEA SACLAY, DAPNIA, SERV PHYS PARTICULES, F-91191 GIF SUR YVETTE, FRANCE
[50] IST SUPER SANITA, IST NAZL FIS NUCL, I-00161 ROME, ITALY
来源
关键词
D O I
10.1007/s002880050313
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
A search for lepton flavour number violating Z(0) decays in the channels Z(0) --> mu tau, Z(0) --> e tau, Z(0) --> e mu, using the DELPHI detector with data collected during the 1991-94 LEP runs, is described, No signal was found. Upper limits at 95% confidence level for the respective branching fractions of 1.2 x 10(-5), 2.2 x 10(-5), and 0.25 x 10(-5), were obtained.
引用
收藏
页码:243 / 251
页数:9
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