Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions

(CDF Collaboration)

研究成果: Article

2 引用 (Scopus)

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We report a measurement of the forward-backward asymmetry, AFB, in bb pairs produced in proton-antiproton collisions and identified by muons from semileptonic b-hadron decays. The event sample is collected at a center-of-mass energy of s=1.96 TeV with the CDF II detector and corresponds to 6.9 fb-1 of integrated luminosity. We obtain an integrated asymmetry of AFB(bb)=(1.2±0.7)% at the particle level for b-quark pairs with invariant mass, mbb, down to 40 GeV/c2 and measure the dependence of AFB(bb) on mbb. The results are compatible with expectations from the standard model.

元の言語English
記事番号112003
ジャーナルPhysical Review D
93
発行部数11
DOI
出版物ステータスPublished - 2016 6 2

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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