Next-to-Leading Order QCD Predictions for Z, gamma^* 3-Jet Distributions at the Tevatron

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Using BlackHat in conjunction with SHERPA, we have computed next-to-leading order QCD predictions for a variety of distributions in Z, {gamma}{sup {asterisk}}+ 1, 2, 3-jet production at the Tevatron, where the Z boson or off-shell photon decays into an electron-positron pair. We find good agreement between the NLO results for jet {sub pT} distributions and measurements by CDF and D0. We also present jetproduction ratios, or probabilities of finding one additional jet. As a function of vector-boson {sub pT} , the ratios have distinctive features which we describe in terms of a simple model capturing leading logarithms and phase-space and ... continued below

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50 pages

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Berger, C.F.; /MIT, LNS; Bern, Z.; /UCLA; Dixon, L.J.; /SLAC et al. June 2, 2010.

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Using BlackHat in conjunction with SHERPA, we have computed next-to-leading order QCD predictions for a variety of distributions in Z, {gamma}{sup {asterisk}}+ 1, 2, 3-jet production at the Tevatron, where the Z boson or off-shell photon decays into an electron-positron pair. We find good agreement between the NLO results for jet {sub pT} distributions and measurements by CDF and D0. We also present jetproduction ratios, or probabilities of finding one additional jet. As a function of vector-boson {sub pT} , the ratios have distinctive features which we describe in terms of a simple model capturing leading logarithms and phase-space and parton-distribution-function suppression.

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50 pages

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  • Journal Name: Submitted to Physical Review D

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  • Report No.: SLAC-PUB-13954
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevD.82.074002 | External Link
  • Office of Scientific & Technical Information Report Number: 981386
  • Archival Resource Key: ark:/67531/metadc1012174

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  • June 2, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 1:28 p.m.

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Berger, C.F.; /MIT, LNS; Bern, Z.; /UCLA; Dixon, L.J.; /SLAC et al. Next-to-Leading Order QCD Predictions for Z, gamma^* 3-Jet Distributions at the Tevatron, article, June 2, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1012174/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.