Direct measurement of the W boson decay width -: art. no. 032008

被引：17

作者：

Abazov, VM ^{[1
]}

Abbott, B

Abdesselam, A

Abolins, M

Abramov, V

Acharya, BS

Adams, DL

Adams, M

Ahmed, SN

Alexeev, GD

Alton, A

Alves, GA

Anderson, EW

Arnoud, Y

Avila, C

Baarmand, MM

Babintsev, VV

Babukhadia, L

Bacon, TC

Baden, A

Baldin, B

Balm, PW

Banerjee, S

Barberis, E

Baringer, P

Barreto, J

Bartlett, JF

Bassler, U

Bauer, D

Bean, A

Beaudette, F

Begel, M

Belyaev, A

Beri, SB

Bernardi, G

Bertram, I

Besson, A

Beuselinck, R

Bezzubov, VA

Bhat, PC

Bhatnagar, V

Bhattacharjee, M

Blazey, G

Blekman, F

Blessing, S

Boehnlein, A

Bojko, NI

Bolton, TA

Borcherding, F

Bos, K

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

[6] Univ Los Andes, Bogota, Colombia

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

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

[9] Univ San Francisco Quito, Quito, Ecuador

[10] Univ Grenoble 1, CNRS, IN2P3, Inst Sci Nucl, Grenoble, France

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

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

[13] Univ Paris 06, LPNHE, CNRS, IN2P3, Paris, France

[14] Univ Paris 07, LPNHE, CNRS, IN2P3, Paris, France

[15] CEA, Serv Phys Particles, DAPNIA, Saclay, France

[16] Univ Mainz, Inst Phys, D-6500 Mainz, Germany

[17] Panjab Univ, Chandigarh 160014, India

[18] Univ Delhi, Delhi 110007, India

[19] Tata Inst Fundamental Res, Mumbai, India

[20] Seoul Natl Univ, Seoul, South Korea

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

[22] FOM Inst NIKHEF, Amsterdam, Netherlands

[23] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands

[24] Univ Nijmegen, NIKHEF, Nijmegen, Netherlands

[25] Inst Nucl Phys, Krakow, Poland

[26] Joint Inst Nucl Res, Dubna, Russia

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

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

[29] Inst High Energy Phys, Protvino, Russia

[30] Univ Lancaster, Lancaster, England

[31] Univ London Imperial Coll Sci Technol & Med, London, England

[32] Univ Arizona, Tucson, AZ 85721 USA

[33] Univ Calif Berkeley, Berkeley, CA 94720 USA

[34] Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[35] Univ Calif Davis, Davis, CA 95616 USA

[36] Calif State Univ Fresno, Fresno, CA 93740 USA

[37] Univ Calif Irvine, Irvine, CA 92697 USA

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

[39] Florida State Univ, Tallahassee, FL 32306 USA

[40] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[41] Univ Illinois, Chicago, IL 60607 USA

[42] No Illinois Univ, De Kalb, IL 60115 USA

[43] Northwestern Univ, Evanston, IL 60208 USA

[44] Indiana Univ, Bloomington, IN 47405 USA

[45] Univ Notre Dame, Notre Dame, IN 46556 USA

[46] Iowa State Univ, Ames, IA 50011 USA

[47] Univ Kansas, Lawrence, KS 66045 USA

[48] Kansas State Univ, Manhattan, KS 66506 USA

[49] Louisiana Tech Univ, Ruston, LA 71272 USA

[50] Univ Maryland, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.66.032008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Based on 85 pb-1 data of p (p) over bar collisions at roots=1.8 TeV collected using the D empty set detector at Fermilab during the 1994-1995 run of the Tevatron, we present a direct measurement of the total decay width of the W boson Gamma(W). The width is determined from the transverse mass spectrum in the W-->e+nu(e) decay channel and found to be Gamma(W)=2.23(-0.14)(+0.15)(stat)+/-0.10(syst) GeV, consistent with the expectation from the standard model.

引用

页数：10

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