Measurement of the W boson mass using large rapidity electrons -: art. no. 092006

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

Bloom, P

Boehnlein, A

Bojko, NI

Borcherding, F

Boswell, C

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

机构：

[1] NYU, New York, NY 10003 USA

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

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

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

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

[6] Univ Los Andes, Bogota, Colombia

[7] Univ San Francisco, Quito, Ecuador

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

[9] CEA, Serv Phys Particules, DAPNIA, 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] Univ Rochester, Rochester, NY 14627 USA

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

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

[49] Langston Univ, Langston, OK 73050 USA

[50] Univ Oklahoma, Norman, OK 73019 USA

来源：

PHYSICAL REVIEW D | 2000年 / 62卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.62.092006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

\We present a measurement of the W boson mass using data collected by the DO experiment at the Fermilab Tevatron during 1994-1995. We identify W bosons by their decays to ev final states where the electron is detected in a forward calorimeter. We extract the W boson mass M-W by fitting the transverse mass and transverse electron and neutrino momentum spectra from a sample of 11 089 W-->e nu decay candidates. We use a sample of 1687 dielectron events, mostly due to Z-->ee decays, to constrain our model of the detector response. Using the forward calorimeter data, we measure M-w=80.691+/-0.227 GeV. Combining the forward calorimeter measurements with our previously published central calorimeter results, we obtain M-W= 80.482 +/-0.091 GeV.

引用

页码：1 / 33

页数：33

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