Study of the W+W-γ process and limits on anomalous quartic gauge boson couplings at LEP

被引：38

作者：

Achard, P ^{[1
]}

Adriani, O

Aguilar-Benitez, M

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alviggi, MG

Anderhub, H

Andreev, VP

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Bajo, A

Baksay, G

Baksay, L

Baldew, SV

Banerjee, S

Banerjee, SW

Barczyk, A

Barillère, R

Bartalini, P

Basile, M

Batalova, N

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Bellucci, L

Berbeco, R

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Biasini, M

Biglietti, M

Biland, A

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bottai, S

Bourilkov, D

Bourquin, M

Braccini, S

机构：

[1] Univ Michigan, Ann Arbor, MI 48109 USA

[2] CNRS, IN2P3, LAPP, Lab Annecy Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[3] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[4] Louisiana State Univ, Baton Rouge, LA 70803 USA

[5] IHEP, Inst High Energy Phys, Beijing 100039, Peoples R China

[6] Humboldt Univ, D-10099 Berlin, Germany

[7] Univ Bologna, I-40126 Bologna, Italy

[8] INFN, Sez Bologna, I-40126 Bologna, Italy

[9] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[10] Northeastern Univ, Boston, MA 02115 USA

[11] Inst Atom Phys, R-76900 Bucharest, Romania

[12] Univ Bucharest, R-76900 Bucharest, Romania

[13] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary

[14] MIT, Cambridge, MA 02139 USA

[15] Panjab Univ, Chandigarh 160014, India

[16] Univ Debrecen, ATOMKI, H-4010 Debrecen, Hungary

[17] INFN, Sez Firenze, I-50125 Florence, Italy

[18] Univ Florence, I-50125 Florence, Italy

[19] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland

[20] FBLJA, World Lab, CH-1211 Geneva 23, Switzerland

[21] Univ Geneva, CH-1211 Geneva 4, Switzerland

[22] Chinese Univ Sci & Technol, USTC, Anhui 230029, Peoples R China

[23] Univ Lausanne, CH-1015 Lausanne, Switzerland

[24] Univ Claude Bernard, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[25] CIEMAT, E-28040 Madrid, Spain

[26] Florida Inst Technol, Melbourne, FL 32901 USA

[27] INFN, Sez Milano, I-20133 Milan, Italy

[28] ITEP, Moscow, Russia

[29] Univ Naples Federico II, I-80125 Naples, Italy

[30] INFN, Sezione Napoli, I-80125 Naples, Italy

[31] Univ Cyprus, Dept Phys, Nicosia, Cyprus

[32] Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands

[33] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands

[34] CALTECH, Pasadena, CA 91125 USA

[35] Univ Perugia, I-06100 Perugia, Italy

[36] INFN, Sez Perugia, I-06100 Perugia, Italy

[37] Nucl Phys Inst, St Petersburg, Russia

[38] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[39] Univ Potenza, I-85100 Potenza, Italy

[40] INFN, Sez Napoli, I-85100 Potenza, Italy

[41] Princeton Univ, Princeton, NJ 08544 USA

[42] Univ Calif Riverside, Riverside, CA 92521 USA

[43] Univ Roma La Sapienza, I-00185 Rome, Italy

[44] INFN, Sez Roma, I-00185 Rome, Italy

[45] Univ Salerno, I-84100 Salerno, Italy

[46] INFN, I-84100 Salerno, Italy

[47] Univ Calif San Diego, La Jolla, CA 92093 USA

[48] Bulgarian Acad Sci, Cent Lab Mechatron & Instrumentat, BU-1113 Sofia, Bulgaria

[49] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[50] Univ Utrecht, NL-3584 CB Utrecht, Netherlands

来源：

PHYSICS LETTERS B | 2002年 / 527卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(02)01167-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The process e(+)e(-) --> W+W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb(-1) at centre-of-mass energies from 192 to 207 GeV, are presented. The W(+)W(-)gamma cross sections are measured to be in agreement with Standard Model expectations. No hints of anomalous quartic gauge boson couplings are observed. Limits at 95% confidence level are derived using also the process e(+)e(-) --> nu(nu) over bar gammagamma. (C) 2002 Published by Elsevier Science B.V.

引用

页码：29 / 38

页数：10

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