ONE-PRONG TAU-DECAYS WITH NEUTRAL KAONS

被引：19

作者：

ACCIARRI, M

ADAM, A

ADRIANI, O

AGUILARBENITEZ, M

AHLEN, S

ALPAT, B

ALCARAZ, J

ALLABY, J

ALOISIO, A

ALVERSON, G

ALVIGGI, MG

AMBROSI, G

AN, Q

ANDERHUB, H

ANDREEV, VP

ANGELESCU, T

ANTREASYAN, D

AREFIEV, A

AZEMOON, T

AZIZ, T

BABA, PVKS

BAGNAIA, P

BAKSAY, L

BALL, RC

BANERJEE, S

BANICZ, K

BARILLERE, R

BARONE, L

BARTALINI, P

BASCHIROTTO, A

BASILE, M

BATTISTON, R

BAY, A

BECATTINI, F

BECKER, U

BEHNER, F

BENCZE, GL

BERDUGO, J

BERGES, P

BERTUCCI, B

BETEV, BL

BIASINI, M

BILAND, A

BILEI, GM

BIZZARRI, R

BLAISING, JJ

BOBBINK, GJ

BOCK, R

BOHM, A

BORGIA, B

机构：

[1] RHEIN WESTFAL TH AACHEN, INST PHYS 3, D-52056 AACHEN, GERMANY

[2] NIKHEF H, 1009 DB AMSTERDAM, NETHERLANDS

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

[4] LAB ANNECY LE VIEUX PHYS PARTICULES, CNRS, IN2P3, F-74941 ANNECY LE VIEUX, FRANCE

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

[6] INST HIGH ENERGY PHYS, BEIJING 100039, PEOPLES R CHINA

[7] HUMBOLDT UNIV BERLIN, D-10099 BERLIN, GERMANY

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

[9] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA

[10] BOSTON UNIV, BOSTON, MA 02215 USA

[11] NORTHEASTERN UNIV, BOSTON, MA 02215 USA

[12] INST ATOM PHYS, R-76900 BUCHAREST, ROMANIA

[13] UNIV BUCHAREST, R-76900 BUCHAREST, ROMANIA

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

[15] HARVARD UNIV, CAMBRIDGE, MA 02139 USA

[16] MIT, CAMBRIDGE, MA 02139 USA

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

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

[19] CERN, EUROPEAN LAB PARTICLE PHYS, CH-1211 GENEVA 23, SWITZERLAND

[20] WORLD LAB, FBLJA PROJECT, CH-1211 GENEVA 23, SWITZERLAND

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

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

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

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

[25] LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87544 USA

[26] UNIV LYON 1, INST PHYS NUCL LYON, IN2P3, CNRS, F-69622 VILLEURBANNE, FRANCE

[27] CIEMAT, E-28040 MADRID, SPAIN

[28] INST THEORET & EXPTL PHYS, MOSCOW, RUSSIA

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

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

[31] UNIV CYPRUS, DEPT NAT SCI, NICOSIA, CYPRUS

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

[33] NATL INST NUCL PHYS & HIGH ENERGY PHYS, 6525 ED NIJMEGEN, NETHERLANDS

[34] OAK RIDGE NATL LAB, OAK RIDGE, TN 37831 USA

[35] CALTECH, PASADENA, CA 91125 USA

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

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

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

[39] PRINCETON UNIV, PRINCETON, NJ 08544 USA

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

[41] UNIV ROMA LA SAPIENZA, I-00185 ROME, ITALY

[42] INST PHYS NUCL LYON, ST PETERSBURG, RUSSIA

[43] UNIV CALIF SAN DIEGO, SAN DIEGO, CA 92093 USA

[44] UNIV SANTIAGO, DEPT FIS PARTICULAS ELEMENTALES, E-15706 SANTIAGO, SPAIN

[45] BULGARIAN ACAD SCI, CENT LAB MECHATRON & INSTRUMENTAT, BU-1113 SOFIA, BULGARIA

[46] KOREA ADV INST SCI & TECHNOL, CTR HIGH ENERGY PHYS, TAEJON 305701, SOUTH KOREA

[47] UNIV ALABAMA, TUSCALOOSA, AL 35486 USA

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

[49] PAUL SCHERRER INST, CH-5232 VILLIGEN, SWITZERLAND

[50] DESY, INST HOCHENERGIEPHYS, D-15738 ZEUTHEN, GERMANY

来源：

PHYSICS LETTERS B | 1995年 / 352卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(95)00509-J

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have analyzed one-prong tau decays with neutral kaons using the information from a fine-grained hadron calorimeter. The data sample consists of 43 500 Z --> tau(+) tau(-) (gamma) events collected by the L3 detector at LEP in 1991, 1992 and 1993. The following branching fractions are measured: Beta(tau(-) --> upsilon(tau)pi(-)($) over bar K-0) = 0.0095 +/- 0.0015(stat) +/- 0.0006(syst); Beta(tau(-) --> nu(tau)pi(-)pi(0) ($) over bar K-0) = 0.0041 +/- 0.0012(stat) +/- 0.0003(syst) and Beta(tau(-) -->nu(tau)pi(-)($) over bar K-0 ($) over bar K-0) = 0.0031 +/- 0.0012(stat) +/- 0.0004( syst).

引用

页码：487 / 497

页数：11

共 23 条

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