Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments

The combinations of the preliminary W mass and width measurements of the LEP experiments are presented. Measurements of the W mass obtained from data corresponding to a total integrated luminosity of approximately 2500 pb-1 are combined to give: Mw = 80.412+/-0.042 GeV/c^2. This result includes the...

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Detalles Bibliográficos
Autor principal: CERN. Geneva
Lenguaje:eng
Publicado: 2003
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/646674
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author CERN. Geneva
author_facet CERN. Geneva
author_sort CERN. Geneva
collection CERN
description The combinations of the preliminary W mass and width measurements of the LEP experiments are presented. Measurements of the W mass obtained from data corresponding to a total integrated luminosity of approximately 2500 pb-1 are combined to give: Mw = 80.412+/-0.042 GeV/c^2. This result includes the LEP W mass determination from the threshold cross section measurement. The separate results from the WW -> qqln and WW -> qqqq decay channels are consistent, with a difference in the masses obtained from the two channels of Delta(Mw)(qqqq-qqln) = +22+/-43 MeV/c^2. A direct measurement of the width of the W boson gives: Gamma(w) = 2.150+/-0.091 GeV/c^2. These results include all LEP published and preliminary measurements which were available in February 2003.
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institution Organización Europea para la Investigación Nuclear
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spelling cern-6466742022-01-27T08:58:21Zhttp://cds.cern.ch/record/646674engCERN. GenevaCombined preliminary results on the mass and the width of the W boson measured by the LEP experimentsParticle Physics - ExperimentThe combinations of the preliminary W mass and width measurements of the LEP experiments are presented. Measurements of the W mass obtained from data corresponding to a total integrated luminosity of approximately 2500 pb-1 are combined to give: Mw = 80.412+/-0.042 GeV/c^2. This result includes the LEP W mass determination from the threshold cross section measurement. The separate results from the WW -> qqln and WW -> qqqq decay channels are consistent, with a difference in the masses obtained from the two channels of Delta(Mw)(qqqq-qqln) = +22+/-43 MeV/c^2. A direct measurement of the width of the W boson gives: Gamma(w) = 2.150+/-0.091 GeV/c^2. These results include all LEP published and preliminary measurements which were available in February 2003.CERN-ALEPH-2003-007CERN-ALEPH-CONF-2003-004DELPHI 2003-007-CONF-629oai:cds.cern.ch:6466742003-03-27
spellingShingle Particle Physics - Experiment
CERN. Geneva
Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title_full Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title_fullStr Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title_full_unstemmed Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title_short Combined preliminary results on the mass and the width of the W boson measured by the LEP experiments
title_sort combined preliminary results on the mass and the width of the w boson measured by the lep experiments
topic Particle Physics - Experiment
url http://cds.cern.ch/record/646674
work_keys_str_mv AT cerngeneva combinedpreliminaryresultsonthemassandthewidthofthewbosonmeasuredbythelepexperiments

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