About: Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector     Goto   Sponge   NotDistinct   Permalink

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  • First measurements of the W -> lv and Z/gamma* -> ll (l = e; mu) production cross sections in proton-proton collisions at root s = 7 TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W -> lv and 179 Z/gamma* -> ll candidate events selected from a data set corresponding to an integrated luminosity of approximately 320 nb(-1). The measured total W and Z/gamma*-boson production cross sections times the respective leptonic branching ratios for the combined electron and muon channels are sigma(tot)(W) center dot BR(W -> lv) = 9.96 +/- 0.23(stat) +/- 0.50(syst) +/- 1.10(lumi) nb and sigma(tot)(Z) center dot BR(Z/gamma* -> ll) = 0.82 +/- 0.06 (stat) +/- 0.05 (syst) +/- 0.09 (lumi) nb (within the invariant mass window 66 < m(ll) < 116 GeV). The W/Z cross-section ratio is measured to be 11.7 +/- 0.9(stat) +/- 0.4(syst). In addition, measurements of the W+ and W- production cross sections and of the lepton charge asymmetry are reported. Theoretical predictions based on NNLO QCD calculations are found to agree with the measurements.
  • First measurements of the W -> lv and Z/gamma* -> ll (l = e; mu) production cross sections in proton-proton collisions at root s = 7 TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W -> lv and 179 Z/gamma* -> ll candidate events selected from a data set corresponding to an integrated luminosity of approximately 320 nb(-1). The measured total W and Z/gamma*-boson production cross sections times the respective leptonic branching ratios for the combined electron and muon channels are sigma(tot)(W) center dot BR(W -> lv) = 9.96 +/- 0.23(stat) +/- 0.50(syst) +/- 1.10(lumi) nb and sigma(tot)(Z) center dot BR(Z/gamma* -> ll) = 0.82 +/- 0.06 (stat) +/- 0.05 (syst) +/- 0.09 (lumi) nb (within the invariant mass window 66 < m(ll) < 116 GeV). The W/Z cross-section ratio is measured to be 11.7 +/- 0.9(stat) +/- 0.4(syst). In addition, measurements of the W+ and W- production cross sections and of the lepton charge asymmetry are reported. Theoretical predictions based on NNLO QCD calculations are found to agree with the measurements. (en)
Title
  • Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector
  • Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector (en)
skos:prefLabel
  • Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector
  • Measurement of the W -> lv and Z/gamma* -> ll production cross sections in proton-proton collisions at root s=7 TeV with the ATLAS detector (en)
skos:notation
  • RIV/68407700:21670/10:00202487!RIV13-MSM-21670___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LA08015), P(LA08032), P(LC527), Z(AV0Z10100502), Z(MSM6840770029), Z(MSM6840770039)
http://linked.open...iv/cisloPeriodika
  • 12
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
  • 270058
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21670/10:00202487
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cross section; W boson (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [50758AC3F1AA]
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...v/svazekPeriodika
  • 1012
http://linked.open...iv/tvurceVysledku
  • Abbott, B.
  • Abdallah, J.
  • Aad, G.
  • Jakůbek, Jan
  • Král, Vlastimil
  • Kohout, Zdeněk
  • Pospíšil, Stanislav
  • Sopko, Bruno
  • Slavíček, Tomáš
  • Tureček, Daniel
  • Vacek, Václav
  • Štekl, Ivan
  • Krejčí, František
  • Smolek, Karel
  • Horažďovský, Tomáš
  • Sopko, Vít
  • Šolc, Jaroslav
  • Abdelalim, A. A.
  • Abdesselam, A.
  • Augsten, Kamil
  • Holý, Tomáš
  • Sodomka, Jaromír
  • Solar, Michael
  • Vlasák, Michal
  • Vokáč, Petr
  • Šimák, Vladislav
  • Hubáček, Zdeněk
http://linked.open...ain/vavai/riv/wos
  • 000208219100001
http://linked.open...n/vavai/riv/zamer
issn
  • 1126-6708
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/JHEP12(2010)060
http://localhost/t...ganizacniJednotka
  • 21670
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