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Measurement of the ratio of inclusive cross sections sigma(p(p)over-bar) -> Z+2b jets/sigma(p((p)over-bar) -> Z+2 jets) in p((p)over-bar) collisions at root s=1.96 TeV
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2015 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 91, no 5Article in journal (Refereed) Published
Abstract [en]

We measure the ratio of cross sections, σ(pp¯→Z+2b jets)/σ(pp¯→Z+2 jets), for associated production of a Z boson with at least two jets with transverse momentum pjetT>20  GeV and pseudorapidity |ηjet|<2.5. This measurement uses data corresponding to an integrated luminosity of 9.7  fb−1 collected by the D0 experiment in Run II of Fermilab’s Tevatron pp¯ Collider at a center-of-mass energy of 1.96 TeV. The measured integrated ratio of 0.0236±0.0032 (stat)±0.0035 (syst) is in agreement with predictions from next-to-leading-order perturbative QCD and the Monte Carlo event generators pythia and alpgen.

Place, publisher, year, edition, pages
2015. Vol. 91, no 5
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-251742DOI: 10.1103/PhysRevD.91.052010ISI: 000351510900001OAI: oai:DiVA.org:uu-251742DiVA: diva2:808258
Available from: 2015-04-27 Created: 2015-04-23 Last updated: 2017-12-04Bibliographically approved

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