Measurement of differential production cross-sections for a Z boson in association with b-jets in 7 TeV proton-proton collisions with the ATLAS detector

The ATLAS collaboration

研究成果: ジャーナルへの寄稿学術誌査読

30 被引用数 (Scopus)

抄録

Abstract: Measurements of differential production cross-sections of a Z boson in association with b-jets in pp collisions at √ = 7 TeV are reported. The data analysed correspond to an integrated luminosity of 4.6 fb−1 recorded with the ATLAS detector at the Large Hadron Collider. Particle-level cross-sections are determined for events with a Z boson decaying into an electron or muon pair, and containing b-jets. For events with at least one b-jet, the cross-section is presented as a function of the Z boson transverse momentum and rapidity, together with the inclusive b-jet cross-section as a function of b-jet transverse momentum, rapidity and angular separations between the b-jet and the Z boson. For events with at least two b-jets, the cross-section is determined as a function of the invariant mass and angular separation of the two highest transverse momentum b-jets, and as a function of the Z boson transverse momentum and rapidity. Results are compared to leading-order and next-to-leading-order perturbative QCD calculations.

本文言語英語
論文番号141
ページ(範囲)1-49
ページ数49
ジャーナルJournal of High Energy Physics
2014
10
DOI
出版ステータス出版済み - 10月 2014

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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