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Direct measurement of the W Boson width in pp̄ collisions at √s = 1.8 TeV

Affolder, T.
•
Akimoto, H.
•
Akopian, A.
altro
Zucchelli, S.
2000
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
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.
DOI
10.1103/PhysRevLett.85.3347
WOS
WOS:000089865900004
Archivio
http://hdl.handle.net/11390/1124154
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-20644460353
Diritti
metadata only access
Soggetti
  • Physics and Astronomy...

Scopus© citazioni
23
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
21
Data di acquisizione
Mar 26, 2024
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