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Measurement of W and Z boson production cross sections in p¯p collisions at √s=1.8 TeV

Measurement of W and Z boson production cross sections in p¯p collisions at √s=1.8 TeV
Measurement of W and Z boson production cross sections in p¯p collisions at √s=1.8 TeV
DØ has measured the inclusive production cross section of W and Z bosons in a sample of 13 pb−1 of data collected at the Fermilab Tevatron. The cross sections, multiplied by their leptonic branching fractions, for production in p¯p collisions at √s=1.8 TeV are σWB(−→Weν)=2.36±0.02±0.08±0.13nb, σWB(−→Wμν)=2.09±0.06±0.22±0.11nb, σZB(→Ze+e−)=0.218±0.008±0.008±0.012nb, and σZB(→Zμ+μ−)=0.178±0.022±0.021±0.009nb, where the first uncertainty is statistical and the second systematic; the third reflects the uncertainty in the integrated luminosity. For the combined electron and muon analyses, we find σWB(−→Wlν)/σZB(→Zl+l−)=10.90±0.52. Assuming standard model couplings, we use this result to determine the width of the W boson, and obtain Γ(W)=2.044±0.097GeV.
2470-0010
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
DØ collaboration
Abbott, B.
9d06072e-d002-47e9-a49b-d209a2c79e00
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

DØ collaboration (1999) Measurement of W and Z boson production cross sections in p¯p collisions at √s=1.8 TeV. Physical Review D, 60, [052003]. (doi:10.1103/PhysRevD.60.052003).

Record type: Article

Abstract

DØ has measured the inclusive production cross section of W and Z bosons in a sample of 13 pb−1 of data collected at the Fermilab Tevatron. The cross sections, multiplied by their leptonic branching fractions, for production in p¯p collisions at √s=1.8 TeV are σWB(−→Weν)=2.36±0.02±0.08±0.13nb, σWB(−→Wμν)=2.09±0.06±0.22±0.11nb, σZB(→Ze+e−)=0.218±0.008±0.008±0.012nb, and σZB(→Zμ+μ−)=0.178±0.022±0.021±0.009nb, where the first uncertainty is statistical and the second systematic; the third reflects the uncertainty in the integrated luminosity. For the combined electron and muon analyses, we find σWB(−→Wlν)/σZB(→Zl+l−)=10.90±0.52. Assuming standard model couplings, we use this result to determine the width of the W boson, and obtain Γ(W)=2.044±0.097GeV.

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Published date: 2 August 1999
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 411393
URI: http://eprints.soton.ac.uk/id/eprint/411393
ISSN: 2470-0010
PURE UUID: 4343d8e8-472a-4f82-b89a-1f13a75835c7
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 19 Jun 2017 16:31
Last modified: 17 Dec 2019 01:44

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