Measurement of the {ital W} boson mass

Journal Article · Sun Nov 01 04:00:00 EST 1998 · Physical Review, D

OSTI ID:298613

Gomez, B; Hoeneisen, B; Mooney, P; Negret, J P ^[1]; Davis, K; Fein, D; Forden, G E; Guida, J A; James, E; Johns, K; Nang, F; Narayanan, A; Rutherfoord, J ^[2]; Butler, J M ^[3]; Gibbard, B; Gordon, H; Graf, N; Kahn, S; Kotcher, J; Protopopescu, S ; Rajagopalan, S ^[4]; Bantly, J; Cullen-Vidal, D; Cutts, D; Guida, J M; Hoftun, J S; Partridge, R ^[5]; Grinstein, S; Piegaia, R ^[6]; Bloom, P; Fisyak, Y; Glenn, S; Grim, G; Klopfenstein, C; Lander, R; Mani, S ^[7]; Fahland, T; Hall, R E ^[8]; Boswell, C; Choudhary, B C; Cochran, J; Ellison, J; Gartung, P; Gounder, K; Heinson, A P; Huehn, T ^[9]; Alves, G A; Carvalho, W; Maciel, A K; da Motta, H; Oliveira, E; Santoro, A ^[10]; Castilla-Valdez, H; Gonzalez Solis, J L; Hernandez-Montoya, R; Magana-Mendoza, L; Sanchez-Hernandez, A ^[11]; Adam, I; Kotwal, A V ^[12]; Ahn, S; Baldin, B; Bartlett, J F; Bhat, P C; Boehnlein, A; Borcherding, F; Brandt, A; Bross, A; Christenson, J H; Cooper, W E; Demarteau, M; Denisov, D; Diehl, H T; Diesburg, M; Feher, S; Fisk, H E; Flattum, E; Fuess, S; Genser, K; Gerber, C E; Green, D R; Greenlee, H; Grossman, N; Gruenendahl, S; Haggerty, H; Hansen, S; Heintz, U; Hobbs, J D; Ito, A S; Johnson, M; others, and

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1. Universidad de los Andes, Bogota (Colombia)
2. University of Arizona, Tucson, Arizona 85721 (United States)
3. Boston University, Boston, Massachusetts 02215 (United States)
4. Brookhaven National Laboratory, Upton, New York 11973 (United States)
5. Brown University, Providence, Rhode Island 02912 (United States)
6. Universidad de Buenos Aires, Buenos Aires (Argentina)
7. University of California, Davis, California 95616 (United States)
8. University of California, Irvine, California 92697 (United States)
9. University of California, Riverside, California 92521 (United States)
10. LAFEX, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
11. CINVESTAV, Mexico City (Mexico)
12. Columbia University, New York, New York 10027; Delhi University, Delhi, (India) 110007

We present a measurement of the {ital W} boson mass using data collected by the D0 experiment at the Fermilab Tevatron during 1994{endash}1995. We identify {ital W} bosons by their decays to e{nu} final states. We extract the {ital W} mass M{sub W} by fitting the transverse mass and transverse electron momentum spectra from a sample of 28thinsp323 W{r_arrow}e{nu} decay candidates. We use a sample of 3563 dielectron events, mostly due to Z{r_arrow}ee decays, to constrain our model of the detector response. From the transverse mass fit we measure M{sub W}=80.44{plus_minus}0.10(stat){plus_minus}0.07(syst)thinsp GeV. Combining this with our previously published result from data taken in 1992{endash}1993, we obtain M{sub W}=80.43{plus_minus}0.11thinspGeV. {copyright} {ital 1998} {ital The American Physical Society}

• OSTI ID: 298613
• Journal Information: Physical Review, D, Journal Name: Physical Review, D Journal Issue: 9 Vol. 58; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
FERMILAB TEVATRON
MASS
PARTICLE DECAY
STANDARD MODEL
TRANSVERSE ENERGY
TRANSVERSE MOMENTUM
W MINUS BOSONS
W PLUS BOSONS