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Measurement of the ratio of inclusive cross sections σ(pp¯→Z+2b jets /σ(pp¯→Z+2 jets) in pp¯ collisions at s√=1.96 TeV
D0 Collaboration
D0 Collaboration
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Abstract
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.
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2015-03-17
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American Physical Society
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D0 Collaboration. "Measurement of the ratio of inclusive cross sections σ(pp¯→Z+2b jets /σ(pp¯→Z+2 jets) in pp¯ collisions at s√=1.96 TeV." Physical Review D 91 5-1 (2015).