About: Measurement of the production of a W boson in association with a charm quark in pp collisions at root s=7 TeV with the ATLAS detector     Goto   Sponge   NotDistinct   Permalink

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Description
  • The production of a W boson in association with a single charm quark is studied using 4.6 fb(-1) of pp collision data at root s = 7 TeV collected with the ATLAS detector at the Large Hadron Collider. In events in which a W boson decays to an electron or muon, the charm quark is tagged either by its semileptonic decay to a muon or by the presence of a charmed meson. The integrated and differential cross sections as a function of the pseudorapidity of the lepton from the W-boson decay are measured. Results are compared to the predictions of next-to-leading-order QCD calculations obtained from various parton distribution function parameterisations. The ratio of the strange-to-down sea-quark distributions is determined to be 0.96(-0.30)(+0.26) at Q (2) = 1.9 GeV2, which supports the hypothesis of an SU(3)-symmetric composition of the light-quark sea. Additionally, the cross-section ratio sigma(W (+) +)/sigma(W (-) + c) is compared to the predictions obtained using parton distribution function parameterisations with different assumptions about the s-(s) over bar quark asymmetry.
  • The production of a W boson in association with a single charm quark is studied using 4.6 fb(-1) of pp collision data at root s = 7 TeV collected with the ATLAS detector at the Large Hadron Collider. In events in which a W boson decays to an electron or muon, the charm quark is tagged either by its semileptonic decay to a muon or by the presence of a charmed meson. The integrated and differential cross sections as a function of the pseudorapidity of the lepton from the W-boson decay are measured. Results are compared to the predictions of next-to-leading-order QCD calculations obtained from various parton distribution function parameterisations. The ratio of the strange-to-down sea-quark distributions is determined to be 0.96(-0.30)(+0.26) at Q (2) = 1.9 GeV2, which supports the hypothesis of an SU(3)-symmetric composition of the light-quark sea. Additionally, the cross-section ratio sigma(W (+) +)/sigma(W (-) + c) is compared to the predictions obtained using parton distribution function parameterisations with different assumptions about the s-(s) over bar quark asymmetry. (en)
Title
  • Measurement of the production of a W boson in association with a charm quark in pp collisions at root s=7 TeV with the ATLAS detector
  • Measurement of the production of a W boson in association with a charm quark in pp collisions at root s=7 TeV with the ATLAS detector (en)
skos:prefLabel
  • Measurement of the production of a W boson in association with a charm quark in pp collisions at root s=7 TeV with the ATLAS detector
  • Measurement of the production of a W boson in association with a charm quark in pp collisions at root s=7 TeV with the ATLAS detector (en)
skos:notation
  • RIV/68407700:21670/14:00225785!RIV15-MSM-21670___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(ED2.1.00/03.0058), P(LA08032), P(LG13009)
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 27904
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21670/14:00225785
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Electroweak interaction; Hadron-Hadron Scattering; Charm physics; PARTON DISTRIBUTIONS; MONTE-CARLO; LHC; DECAY; TEVATRON; PROTON; QCD (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • IT - Italská republika
http://linked.open...ontrolniKodProRIV
  • [68EB9375805D]
http://linked.open...i/riv/nazevZdroje
  • JOURNAL OF HIGH ENERGY PHYSICS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Abbott, B.
  • Aad, G.
  • Gallus, Petr
  • Jakůbek, Jan
  • Král, Vlastimil
  • Kohout, Zdeněk
  • Pospíšil, Stanislav
  • Sopko, Bruno
  • Slavíček, Tomáš
  • Tureček, Daniel
  • Vykydal, Zdeněk
  • Štekl, Ivan
  • Smolek, Karel
  • Sopko, Vít
  • Šolc, Jaroslav
  • Suk, Michal
  • Augsten, Kamil
  • Sodomka, Jaromír
  • Solar, Michael
  • Vokáč, Petr
  • Šimák, Vladislav
  • Abajyan, T.
  • Khalek, S. A.
  • Günther, Jaroslav
  • Vlasák, Miroslav
  • Abdinov, O.
  • Seifert, Frank
http://linked.open...ain/vavai/riv/wos
  • 000336799600001
issn
  • 1029-8479
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/JHEP05(2014)068
http://localhost/t...ganizacniJednotka
  • 21670
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