Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/102169
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Type: | Journal article |
Title: | 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: | The ATLAS Collaboration, Aad, G. |
Citation: | The Journal of High Energy Physics, 2014; 2014(10):1-48 |
Publisher: | Springer |
Issue Date: | 2014 |
ISSN: | 1029-8479 1126-6708 |
Statement of Responsibility: | G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration) |
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−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. |
Keywords: | Electroweak interaction; hadron-hadron scattering; QCD; Heavy quark production |
Rights: | © The Author(s) 2014. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
DOI: | 10.1007/JHEP10(2014)141 |
Published version: | http://dx.doi.org/10.1007/jhep10(2014)141 |
Appears in Collections: | Aurora harvest 7 Physics publications |
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hdl_102169.pdf | Published version | 1.09 MB | Adobe PDF | View/Open |
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