A measurement of the W boson mass at the Fermilab p(p)over-bar collider

被引：47

作者：

Abbott, B ^{[1
]}

Abolins, M

Acharya, BS

Adam, I

Adams, DL

Adams, M

Ahn, S

Aihara, H

Alves, GA

Amos, N

Anderson, EW

Astur, R

Baarmand, MM

Baden, A

Balamurali, V

Balderston, J

Baldin, B

Banerjee, S

Bantly, J

Barberis, E

Bartlett, JF

Bazizi, K

Belyaev, A

Beri, SB

Bertram, I

Bezzubov, VA

Bhat, PC

Bhatnagar, V

Bhattacharjee, M

Biswas, N

Blazey, G

Blessing, S

Bloom, P

Boehnlein, A

Bojko, NI

Borcherding, F

Boswell, C

Brandt, A

Brock, R

Bross, A

Buchholz, D

Burtovoi, VS

Butler, JM

Carvalho, W

Casey, D

Casilum, Z

Castilla-Valdez, H

Chakraborty, D

Chang, SM

Chekulaev, SV

机构：

[1] NYU, New York, NY 10003 USA

[2] Univ Los Andes, Bogota, Colombia

[3] Univ Arizona, Tucson, AZ 85721 USA

[4] Boston Univ, Boston, MA 02215 USA

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

[6] Brown Univ, Providence, RI 02912 USA

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

[8] Univ Calif Davis, Livermore, CA 95616 USA

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

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

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

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

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

[14] Univ Delhi, Delhi 110007, India

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

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

[17] Univ Hawaii, Honolulu, HI 96822 USA

[18] Univ Illinois, Chicago, IL 60607 USA

[19] Indiana Univ, Bloomington, IN 47405 USA

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

[21] Korea Univ, Seoul 136701, South Korea

[22] Kyungsung Univ, Pusan 608736, South Korea

[23] Inst Nucl Phys, Krakow, Poland

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

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

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

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

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

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

[30] Univ Nebraska, Lincoln, NE 68588 USA

[31] Northeastern Univ, Boston, MA 02115 USA

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

[33] Northwestern Univ, Evanston, IL 60208 USA

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

[35] Univ Oklahoma, Norman, OK 73019 USA

[36] Panjab Univ, Chandigarh 160014, India

[37] Protvino High Energy Phys Inst, Protvino 142284, Russia

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

[39] Rice Univ, Houston, TX 77005 USA

[40] Univ do Estado do Rio de Janeiro, Rio De Janeiro, Brazil

[41] Univ Rochester, Rochester, NY 14627 USA

[42] CE Saclay, Serv Phys Particules, DAPNIA, CEA, Gif Sur Yvette, France

[43] Seoul Natl Univ, Seoul, South Korea

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

[45] Tata Inst Fundamental Res, Mumbai 400005, India

[46] Univ Texas, Arlington, TX 76019 USA

[47] Texas A&M Univ, College Stn, TX 77843 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.80.3008

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 DO detector at the Fermilab We identify W bosons by their decays to ev and extract the mass by fitting the transverse mass spectrum from 28 323 W boson candidates. A sample of 3563 dielectron events, mostly due to Z --> ee decays, constrains models of W boson production and the detector. We measure M-W = 80.44 +/- 0.10(stat) +/- 0.07(syst) GeV. By combining this measurement with our result form the 1992-1993 data set, we obtain M-W = 80.43 +/- 0.11 GeV.

引用

页码：3008 / 3013

页数：6

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