Production of single W bosons at LEP

被引：26

作者：

Acciarri, M ^{[1
]}

Adriani, O

AguilarBenitez, M

Ahlen, S

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alverson, G

Alviggi, MG

Ambrosi, G

Anderhub, H

Andreev, VP

Angelescu, T

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Baksay, L

Banerjee, S

Banicz, K

Barczyk, A

Barillere, R

Barone, L

Bartalini, P

Baschirotto, A

Basile, M

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Bhattacharya, S

Biasini, M

Biland, A

Bilei, GM

Blaising, JJ

Blyth, SC

Bobbink, GJ

Bock, R

Bohm, A

Borgia, B

Bourilkov, D

Bourquin, M

Braccini, S

机构：

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

[2] NIKHEF H, NATL INST HIGH ENERGY PHYS, NL-1009 DB AMSTERDAM, NETHERLANDS

[3] UNIV AMSTERDAM, NL-1009 DB AMSTERDAM, NETHERLANDS

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

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

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

[7] UNIV BASEL, INST PHYS, CH-4056 BASEL, SWITZERLAND

[8] LOUISIANA STATE UNIV, BATON ROUGE, LA 70803 USA

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

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

[11] UNIV BOLOGNA, I-40126 BOLOGNA, ITALY

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

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

[14] BOSTON UNIV, BOSTON, MA 02215 USA

[15] NORTHEASTERN UNIV, BOSTON, MA 02115 USA

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

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

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

[19] HARVARD UNIV, CAMBRIDGE, MA 02139 USA

[20] MIT, CAMBRIDGE, MA 02139 USA

[21] IST NAZL FIS NUCL, SEZIONE FIRENZE, I-50125 FLORENCE, ITALY

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

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

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

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

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

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

[28] IST NAZL FIS NUCL, SEZIONE LECCE, I-73100 LECCE, ITALY

[29] UNIV LECCE, I-73100 LECCE, ITALY

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

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

[32] IST NAZL FIS NUCL, SEZIONE MILANO, I-20133 MILAN, ITALY

[33] INST THEORET & EXPT PHYS, MOSCOW 117259, RUSSIA

[34] IST NAZL FIS NUCL, SEZIONE NAPOLI, I-80125 NAPLES, ITALY

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

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

[37] UNIV NIJMEGEN, NL-6525 ED NIJMEGEN, NETHERLANDS

[38] NATL INST NUCL PHYS & HIGH ENERGY PHYS, NL-6525 ED NIJMEGEN, NETHERLANDS

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

[40] CALTECH, PASADENA, CA 91125 USA

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

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

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

[44] PRINCETON UNIV, PRINCETON, NJ 08544 USA

[45] IST NAZL FIS NUCL, SEZIONE ROMA, I-00185 ROME, ITALY

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

[47] RUSSIAN ACAD SCI, INST NUCL PHYS, ST PETERSBURG, RUSSIA

[48] UNIV SALERNO, I-84100 SALERNO, ITALY

[49] IST NAZL FIS NUCL, I-84100 SALERNO, ITALY

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

来源：

PHYSICS LETTERS B | 1997年 / 403卷 / 1-2期

基金：

匈牙利科学研究基金会; 中国国家自然科学基金;

关键词：

D O I：

10.1016/S0370-2693(97)00527-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic lepton or two hadronic jets. The cross-section is measured to be 0.61(-0.33)(+0.43) +/- 0.05 pb at the centre of mass energy root s = 172 GeV, consistent with the Standard Model expectation. From this measurement the following limits on the anomalous gamma WW gauge couplings are derived at 95% CL: -3.6 < Delta kappa gamma < 1.5 and -3.6 < lambda gamma < 3.6. (C) 1997 Published by Elsevier Science B.V.

引用

页码：168 / 176

页数：9

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