Measurement of the W boson mass using electrons at large rapidities

被引：29

作者：

Abbott, B ^{[1
]}

Abolins, M

Abramov, V

Acharya, BS

Adam, I

Adams, DL

Adams, M

Ahn, S

Akimov, V

Alves, GA

Amos, N

Anderson, EW

Baarmand, MM

Babintsev, VV

Babukhadia, L

Baden, A

Baldin, B

Banerjee, S

Bantly, J

Barberis, E

Baringer, P

Bartlett, JF

Belyaev, A

Beri, SB

Bertram, I

Bezzubov, VA

Bhat, PC

Bhatnagar, V

Bhattacharjee, M

Blazey, G

Blessing, S

Boehnlein, A

Bojko, NI

Borcherding, F

Brandt, A

Breedon, R

Briskin, G

Brock, R

Bross, A

Buchholz, D

Burtovoi, VS

Butler, JM

Carvalho, W

Casey, D

Casilum, Z

Castilla-Valdez, H

Chakraborty, D

Chan, KM

Chekulaev, SV

Chen, W

机构：

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

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

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

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

[5] Univ Los Andes, Bogota, Colombia

[6] Univ San Francisco Quito, Quito, Ecuador

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

[8] Ctr Phys Particules Marseille, IN2P3 CNRS, Marseille, France

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

[10] Panjab Univ, Chandigarh 160014, India

[11] Univ Delhi, Delhi 110007, India

[12] Tata Inst Fundamental Res, Mumbai, India

[13] Kyungsung Univ, Pusan 608736, South Korea

[14] Seoul Natl Univ, Seoul, South Korea

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

[16] Inst Nucl Phys, Krakow, Poland

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

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

[19] Inst High Energy Phys, Protvino, Russia

[20] Univ Lancaster, Lancaster, England

[21] Univ Arizona, Tucson, AZ 85721 USA

[22] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

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

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

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

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

[27] Univ Hawaii, Honolulu, HI 96822 USA

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

[29] Univ Illinois, Chicago, IL 60607 USA

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

[31] Northwestern Univ, Evanston, IL 60208 USA

[32] Indiana Univ, Bloomington, IN 47405 USA

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

[34] Purdue Univ, W Lafayette, IN 47907 USA

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

[36] Univ Kansas, Lawrence, KS 66045 USA

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

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

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

[40] Boston Univ, Boston, MA 02215 USA

[41] Northeastern Univ, Boston, MA 02115 USA

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

[43] Michigan State Univ, E Lansing, MI 48824 USA

[44] Univ Nebraska, Lincoln, NE 68588 USA

[45] Columbia Univ, New York, NY 10027 USA

[46] NYU, New York, NY 10003 USA

[47] Univ Rochester, Rochester, NY 14627 USA

[48] SUNY Stony Brook, Stony Brook, NY 11794 USA

[49] Brookhaven Natl Lab, Upton, NY 11973 USA

[50] Langston Univ, Langston, OK 73050 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.84.222

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a measurement of the W boson mass based on an integrated luminosity of 82 pb(-1) from <p(p)over bar> collisions at root s = 1.8 TeV recorded in 1994-1995 by the D0 detector at the Fermilab Tevatron. We identify W bosons by their decays to ev, where the electron is detected in the forward calorimeters. We extract the mass by fitting the transverse mass and the electron and neutrino transverse momentum spectra of 11 089 W boson candidates. We measure M-w = 80.691 +/- 0.227 GeV. By combining this measurement with our previously published central calorimeter results from data taken in 1992-1993 and 1994-1995, we obtain M-w = 80.482 +/- 0.091 GeV.

引用

页码：222 / 227

页数：6

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