Measurement of the ratio of inclusive cross sections σ(pp¯Z+2bjets)/σ(pp¯Z+2jets) in pp¯ collisions at s=1.96TeV

V. M. Abazov et al. (D0 Collaboration)
Phys. Rev. D 91, 052010 – Published 17 March 2015

Abstract

We measure the ratio of cross sections, σ(pp¯Z+2bjets)/σ(pp¯Z+2jets), for associated production of a Z boson with at least two jets with transverse momentum pTjet>20GeV and pseudorapidity |ηjet|<2.5. This measurement uses data corresponding to an integrated luminosity of 9.7fb1 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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  • Received 21 January 2015

DOI:https://doi.org/10.1103/PhysRevD.91.052010

© 2015 American Physical Society

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Vol. 91, Iss. 5 — 1 March 2015

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