Measurement of the W boson mass using electrons at large rapidities

D0 Collaboration

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

We report a measurement of the W boson mass based on an integrated luminosity of 82pb-1 from pp̄ collisions at √s = 1.8TeV recorded in 1994–1995 by the D0 detector at the Fermilab Tevatron. We identify W bosons by their decays to e?, where the electron is detected in the forward calorimeters. We extract the mass by fitting the transverse mass and the electron and neutrino transverse momentum spectra of 11 089 W boson candidates. We measure MW = 80.691±0.227GeV. By combining this measurement with our previously published central calorimeter results from data taken in 1992–1993 and 1994–1995, we obtain MW = 80.482±0.091GeV.

Original languageEnglish (US)
Pages (from-to)222-227
Number of pages6
JournalPhysical review letters
Volume84
Issue number2
DOIs
StatePublished - 2000

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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