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Measurement of the W boson mass with the D0 detector
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2014 (English)In: Physical Review D, ISSN 1550-7998, Vol. 89, no 1, 012005- p.Article in journal (Refereed) Published
Abstract [en]

We give a detailed description of the measurement of the W boson mass, M-W, performed on an integrated luminosity of 4.3 fb(-1), which is based on similar techniques as used for our previous measurement done on an independent data set of 1 fb(-1) of data. The data were collected using the D0 detector at the Fermilab Tevatron Collider. This data set yields 1.68 x 10(6) W -> ev candidate events. We measure the mass using the transverse mass, electron transverse momentum, and missing transverse energy distributions. The M-W measurements using the transverse mass and the electron transverse momentum distributions are the most precise of these three and are combined to give M-W 80.367 +/- 0.013 (stat) +/- 0.022(syst) GeV = 80: 367 +/- 0.026 GeV. When combined with our earlier measurement on 1 fb(-1) of data, we obtain M-W = 80.375 +/- 0.023 GeV.

Place, publisher, year, edition, pages
2014. Vol. 89, no 1, 012005- p.
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Natural Sciences
URN: urn:nbn:se:uu:diva-221920DOI: 10.1103/PhysRevD.89.012005ISI: 000331872600001OAI: oai:DiVA.org:uu-221920DiVA: diva2:710493
Available from: 2014-04-07 Created: 2014-04-07 Last updated: 2014-04-07Bibliographically approved

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Buszello, Claus P.
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High Energy Physics
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