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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

Author(s)
Taylor, Frank E.
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Abstract
Measurements of differential production cross-sections of a Z boson in association with b-jets in pp collisions at √s = 7 TeV are reported. The data analysed correspond to an integrated luminosity of 4.6 fb[superscript −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.
Date issued
2014-10
URI
http://hdl.handle.net/1721.1/96840
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “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.” J. High Energ. Phys. 2014, no. 10 (October 2014). © 2014 CERN, for the benefit of the ATLAS Collaboration
Version: Final published version
ISSN
1029-8479
1126-6708

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