Combination of CDF and D0 results on the W boson mass and width -: art. no. 092008

被引：43

作者：

Abazov, VM ^{[1
]}

Abbott, B

Abdesselam, A

Abolins, M

Abramov, V

Acharya, BS

Acosta, D

Adams, DL

Adams, M

Affolder, T

Ahmed, SN

Akimoto, H

Akopian, A

Albrow, MG

Alexeev, GD

Alton, A

Alves, GA

Amaral, P

Ambrose, D

Amendolia, SR

Amidei, D

Anikeev, K

Antos, J

Apollinari, G

Arnoud, Y

Arisawa, T

Artikov, A

Asakawa, T

Avila, C

Ashmanskas, W

Atac, M

Azfar, F

Azzi-Bacchetta, P

Babintsev, VV

Babukhadia, L

Bacchetta, N

Bachacou, H

Bacon, TC

Baden, A

Badgett, W

Baffioni, S

Bailey, MW

Bailey, S

Baldin, B

Balm, PW

Banerjee, S

de Barbaro, P

Barbaro-Galtieri, A

Barberis, E

Baringer, P

机构：

[1] Joint Inst Nucl Res, Dubna, Russia

[2] Univ Buenos Aires, Buenos Aires, DF, Argentina

[3] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil

[4] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[5] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

[6] Univ Toronto, Toronto, ON M5S 1A7, Canada

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

[8] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[9] Univ Los Andes, Bogota, Colombia

[10] Acad Sci, Ctr Particle Phys, Inst Phys, Prague, Czech Republic

[11] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic

[12] Univ San Francisco Quito, Quito, Ecuador

[13] Univ Grenoble 1, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France

[14] Univ Mediterranee, CNRS, IN2P3, CPPM, Marseille, France

[15] CNRS, IN2P3, Lab Accelerateur Lineaire, F-91405 Orsay, France

[16] Univ Paris 06, LPNHE, Paris, France

[17] Univ Paris 07, IN2P3, CNRS, Paris, France

[18] CEA, Serv Phys Particules, DAPNIA, Saclay, France

[19] Univ Freiburg, Inst Phys, Freiburg, Germany

[20] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[21] Panjab Univ, Chandigarh 160014, India

[22] Univ Delhi, Delhi 110007, India

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

[24] Natl Univ Ireland Univ Coll Dublin, Dublin 4, Ireland

[25] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[26] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[27] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[28] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy

[29] Scuola Normale Super Pisa, I-56100 Pisa, Italy

[30] Univ Rome 1, Sez Roma, Ist Nazl Fis Nucl, I-00185 Rome, Italy

[31] Univ Trieste, Ist Nazl Fis Nucl, Udine, Italy

[32] Hiroshima Univ, Higashihiroshima 724, Japan

[33] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[34] Osaka City Univ, Osaka 588, Japan

[35] Waseda Univ, Tokyo 169, Japan

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

[37] Seoul Natl Univ, Seoul 151742, South Korea

[38] Sungkyunkwan Univ, Suwon 440746, South Korea

[39] CINVESTAV, Mexico City 14000, DF, Mexico

[40] NIKHEF H, FOM Inst, NL-1009 DB Amsterdam, Netherlands

[41] Univ Amsterdam, NIKHEF H, Amsterdam, Netherlands

[42] Univ Nijmegen, NIKHEF H, Nijmegen, Netherlands

[43] Joint Inst Nucl Res, Dubna, Russia

[44] Inst Theoret & Expt Phys, Moscow 117259, Russia

[45] Moscow MV Lomonosov State Univ, Moscow, Russia

[46] Inst High Energy Phys, Protvino, Russia

[47] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

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

[49] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[50] Univ Lancaster, Lancaster, England

来源：

PHYSICAL REVIEW D | 2004年 / 70卷 / 09期

基金：

加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 巴西圣保罗研究基金会; 美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.70.092008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The results based on 1992-95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron collider average M-W=80.456+/-0.059 GeV. We also report the Tevatron collider average of the directly measured W boson width Gamma(W)=2.115+/-0.105 GeV. We describe a new joint analysis of the direct W mass and width measurements. Assuming the validity of the standard model, we combine the directly measured W boson width with the width extracted from the ratio of W and Z boson leptonic partial cross sections. This combined result for the Tevatron is Gamma(W)=2.135+/-0.050 GeV. Finally, we use the measurements of the direct total W width and the leptonic branching ratio to extract the leptonic partial width Gamma(W-->enu)=224+/-13 MeV.

引用

页码：092008 / 1

页数：17

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