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  • The production of J/psi mesons is studied in pp collisions at root s = 7 TeV with the CMS experiment at the LHC. The measurement is based on a dimuon sample corresponding to an integrated luminosity of 314 nb(-1). The J/psi differential cross section is determined, as a function of the J/psi transverse momentum, in three rapidity ranges. A fit to the decay length distribution is used to separate the prompt from the non-prompt (b hadron to J/psi) component. Integrated over J/psi transverse momentum from 6.5 to 30 GeV/c and over rapidity in the range vertical bar y vertical bar { 2.4, the measured cross sections, times the dimuon decay branching fraction, are 70.9 +/- 2.1(stat.) +/- 3.0(syst.) +/- 7.8(luminosity) nb for prompt J/psi mesons assuming unpolarized production and 26.0 +/- 1.4(stat.) +/- 1.6(syst.) +/- 2.9(luminosity) nb for J/psi mesons from b-hadron decays.
  • The production of J/psi mesons is studied in pp collisions at root s = 7 TeV with the CMS experiment at the LHC. The measurement is based on a dimuon sample corresponding to an integrated luminosity of 314 nb(-1). The J/psi differential cross section is determined, as a function of the J/psi transverse momentum, in three rapidity ranges. A fit to the decay length distribution is used to separate the prompt from the non-prompt (b hadron to J/psi) component. Integrated over J/psi transverse momentum from 6.5 to 30 GeV/c and over rapidity in the range vertical bar y vertical bar { 2.4, the measured cross sections, times the dimuon decay branching fraction, are 70.9 +/- 2.1(stat.) +/- 3.0(syst.) +/- 7.8(luminosity) nb for prompt J/psi mesons assuming unpolarized production and 26.0 +/- 1.4(stat.) +/- 1.6(syst.) +/- 2.9(luminosity) nb for J/psi mesons from b-hadron decays. (en)
Title
  • Prompt and non-prompt J/psi production in pp collisions at root s=7 TeV
  • Prompt and non-prompt J/psi production in pp collisions at root s=7 TeV (en)
skos:prefLabel
  • Prompt and non-prompt J/psi production in pp collisions at root s=7 TeV
  • Prompt and non-prompt J/psi production in pp collisions at root s=7 TeV (en)
skos:notation
  • RIV/00216208:11320/11:10109836!RIV12-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LA08015)
http://linked.open...iv/cisloPeriodika
  • 3
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
  • 224634
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/11:10109836
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • TeV; s=7; root; collisions; production; J/psi; non-prompt; Prompt (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [EB903E586E7B]
http://linked.open...i/riv/nazevZdroje
  • European Physical Journal C
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
  • 71
http://linked.open...iv/tvurceVysledku
  • CMS, Collaboration
  • Finger, Michael
  • Finger, Miroslav
  • Khachatryan, V.
  • Sirunyan, A.
http://linked.open...ain/vavai/riv/wos
  • 000291698400002
issn
  • 1434-6044
number of pages
http://bibframe.org/vocab/doi
  • 10.1140/epjc/s10052-011-1575-8
http://localhost/t...ganizacniJednotka
  • 11320
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