Measurement of the ratio of inclusive cross sections $\sigma (p\bar{p} \rightarrow Z+2~b~\text{jets}) / \sigma (p\bar{p} \rightarrow Z+ \text{2 jets})$ in $p\bar{p}$ collisions at $\sqrt s=1.96$ TeV

Abazov, V. M.

doi:10.1103/PhysRevD.91.052010

Measurement of the ratio of inclusive cross sections $$\sigma (p\bar{p} \rightarrow Z+2~b~\text{jets}) / \sigma (p\bar{p} \rightarrow Z+ \text{2 jets})$$ in $$p\bar{p}$$ collisions at $$\sqrt s=1.96$$ TeV

Journal Article · Tue Mar 17 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.91.052010· OSTI ID:1221231

Abazov, V. M. ^[1]

Joint Institute for Nuclear Research, Dubna (Russia). et al.

In this study, we measure the ratio of cross sections, σ(pp¯ → Z + 2 b jets)/σ(pp¯ → Z + 2 jets), for associated production of a Z boson with at least two jets with transverse momentum p^jet_T > 20 GeV and pseudorapidity |η^jet| < 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.

View Accepted Manuscript (DOE)

Research Organization:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Contributing Organization:: D0 Collaboration

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1221231

Alternate ID(s):: OSTI ID: 1179201
OSTI ID: 1180495

Report Number(s):: FERMILAB-PUB--15-013-E; arXiv eprint number arXiv:1501.05325

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Journal Issue: 5 Vol. 91; ISSN 1550-7998

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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