Affolder, T;
Akimoto, H;
Akopian, A;
Albrow, MG;
Amaral, P;
Amendolia, SR;
Amidei, D;
... Zucchelli, S; + view all
(2000)
Direct measurement of the W boson width in p(p)over-bar collisions at root s=1.8 TeV.
PHYS REV LETT
, 85
(16)
3347 - 3352.
10.1103/PhysRevLett.85.3347.
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Abstract
This Letter describes a direct measurement of the W boson total decay width, Gamma(W), using the Collider Detector at Fermilab. The measurement uses an integrated luminosity of 90 pb-L, collected during the 1994-1995 run of the Fermilab Tevatron pr collider. The width is determined by normalizing predicted signal and background distributions to 49 843 W --> ev candidates and 21 806 W --> mu nu candidates in the transverse-mass region M-T < 200 GeV and then fitting the predicted shape to the 438 electron events and 196 muon events in the high-M-T region, 100 < M-T < 200 GeV. The result is Gamma(W) = 2.04 +/- 0.11(stat) +/- 0.09(syst) GeV.
| Type: | Article |
|---|---|
| Title: | Direct measurement of the W boson width in p(p)over-bar collisions at root s=1.8 TeV |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.85.3347 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.85.3347 |
| Language: | English |
| Additional information: | © 2000 The American Physical Society |
| Keywords: | PARTON DISTRIBUTIONS, MASS |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/131935 |
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