Measurement of mass and width of the W boson at LEP

被引：34

作者：

Acciarri, M ^{[1
]}

Achard, P

Adriani, O

Aguilar-Benitez, M

Alcaraz, J

Alemanmi, G

Allaby, J

Aloisio, A

Alviggi, MG

Ambrosi, G

Anderhub, H

Andreev, VP

Angelescu, T

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Baksay, L

Balandras, A

Ball, RC

Banerjee, S

Banicz, K

Barczyk, A

Barillère, R

Barone, L

Bartalini, P

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

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bourilkov, D

Bourquin, M

Braccini, S

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany

[2] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[3] NIKHEF, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands

[4] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands

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

[6] ENSLAPP, LAPP, IN2P3, CNRS, F-74941 Annecy Le Vieux, France

[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, D-10099 Berlin, Germany

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

[12] INFN, Sezione Bologna, I-40126 Bologna, Italy

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

[14] Northeastern Univ, Boston, MA 02115 USA

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

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

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

[18] MIT, Cambridge, MA 02139 USA

[19] Ist Nazl Fis Nucl, Sezione Firenze, I-50125 Florence, Italy

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

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

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

[23] Univ Geneva, CH-1211 Geneva, Switzerland

[24] Univ Sci & Technol China, USTC, Hefei 230029, Peoples R China

[25] Res Inst High Energy Phsy, SEFT, SF-00014 Helsinki, Finland

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

[27] Ist Nazl Fis Nucl, Sezione Lecce, I-73100 Lecce, Italy

[28] Univ Lecce, I-73100 Lecce, Italy

[29] Los Alamos Natl Lab, Los Alamos, NM 87544 USA

[30] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl, F-69622 Villeurbanne, France

[31] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[32] Ist Nazl Fis Nucl, Sezione Milano, I-20133 Milan, Italy

[33] ITEP, Inst Theoret & Expt Phys, Moscow, Russia

[34] Ist Nazl Fis Nucl, Sezione Napoli, I-80125 Naples, Italy

[35] Univ Naples Federico II, 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] CALTECH, Pasadena, CA 91125 USA

[40] Ist Nazl Fis Nucl, Sezione Perugia, I-06100 Perugia, Italy

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

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

[43] Princeton Univ, Princeton, NJ 08544 USA

[44] Ist Nazl Fis Nucl, Sezione Roma, I-00185 Rome, Italy

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

[46] Inst Nucl Phys, St Petersburg, Russia

来源：

PHYSICS LETTERS B | 1999年 / 454卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(99)00348-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e(+)e(-) interactions between 161 GeV and 183 GeV centre-of-mass energy are selected in a data sample corresponding to a total luminosity of 76.7 pb(-1). Combining all final states in W-pair production, the mass and total decay width of the W boson are determined to be m(W) = 80.61 +/- 0.15 GeV and Gamma(W) = 1.97 +/- 0.38 GeV, respectively. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：386 / 398

页数：13

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