Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV

The charged particle multiplicity of W-pair decays is measured with the ALEPH detector at LEP at a cms energy of 189GeV. This is motivated by the study of possible colour reconnection effects in W-pairs where both decay hadronically. The average charged multiplicity of WW>qqqq is compared with pr...

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Detalles Bibliográficos
Autor principal: Cowan, G D
Lenguaje:eng
Publicado: 1999
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/399335
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author Cowan, G D
author_facet Cowan, G D
author_sort Cowan, G D
collection CERN
description The charged particle multiplicity of W-pair decays is measured with the ALEPH detector at LEP at a cms energy of 189GeV. This is motivated by the study of possible colour reconnection effects in W-pairs where both decay hadronically. The average charged multiplicity of WW>qqqq is compared with predictions of fragmentation models tuned to measurements performed at the Z peak and with measured multiplicities in WW>qqlv events. It is compatible, both with models without implementation of colour reconnection, and with the models including colour reconnection that are studied here.
id cern-399335
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1999
record_format invenio
spelling cern-3993352022-01-27T08:58:03Zhttp://cds.cern.ch/record/399335engCowan, G DCharged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeVParticle Physics - ExperimentThe charged particle multiplicity of W-pair decays is measured with the ALEPH detector at LEP at a cms energy of 189GeV. This is motivated by the study of possible colour reconnection effects in W-pairs where both decay hadronically. The average charged multiplicity of WW>qqqq is compared with predictions of fragmentation models tuned to measurements performed at the Z peak and with measured multiplicities in WW>qqlv events. It is compatible, both with models without implementation of colour reconnection, and with the models including colour reconnection that are studied here.CERN-OPEN-99-180HCPP-99-15CERN-ALEPH-99-026oai:cds.cern.ch:3993351999-06-29
spellingShingle Particle Physics - Experiment
Cowan, G D
Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title_full Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title_fullStr Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title_full_unstemmed Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title_short Charged particle multiplicity and momenta in $e^{+}e^{-} \to W$-pair decays at 189 GeV
title_sort charged particle multiplicity and momenta in $e^{+}e^{-} \to w$-pair decays at 189 gev
topic Particle Physics - Experiment
url http://cds.cern.ch/record/399335
work_keys_str_mv AT cowangd chargedparticlemultiplicityandmomentaineetowpairdecaysat189gev

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