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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
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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Number of Authors: 2887
2014 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 10, 141- p.Article in journal (Refereed) Published
Abstract [en]

Measurements of differential production cross-sections of a Z boson in association with b-jets in pp collisions at root 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.

Place, publisher, year, edition, pages
2014. Vol. 10, 141- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-240809DOI: 10.1007/JHEP10(2014)141ISI: 000344864300001OAI: oai:DiVA.org:uu-240809DiVA: diva2:777080
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1007/JHEP10(2014)141

Available from: 2015-01-08 Created: 2015-01-08 Last updated: 2017-12-05Bibliographically approved

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Brenner, RichardBuszello, Claus P.Ekelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel-Smith, Camilla

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Brenner, RichardBuszello, Claus P.Ekelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel-Smith, Camilla
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