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

Berger, C.F.; Bern, Z.; Dixon, Lance J.; Febres Cordero, F.; Forde, D.; Gleisberg, T.; Ita, H.; Kosower, D.A.; Maitre, D.

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


Authors

C.F. Berger

Z. Bern

Lance J. Dixon

F. Febres Cordero

D. Forde

T. Gleisberg

H. Ita

D.A. Kosower



Abstract

Using BlackHat in conjunction with SHERPA, we have computed next-to-leading order QCD predictions for a variety of distributions in Z,γ*+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 next-to-leading order results for jet pT distributions and measurements by CDF and D0. We also present jet-production ratios, or probabilities of finding one additional jet. As a function of vector-boson 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.

Citation

Berger, C., Bern, Z., Dixon, L. J., Febres Cordero, F., Forde, D., Gleisberg, T., …Maitre, D. (2010). Next-to-Leading Order QCD Predictions for Z,gamma^*+3-Jet Distributions at the Tevatron. Physical Review D, 82(7), Article 074002. https://doi.org/10.1103/physrevd.82.074002

Journal Article Type Article
Publication Date Oct 1, 2010
Deposit Date Jan 21, 2012
Publicly Available Date Mar 29, 2024
Journal Physical Review D
Print ISSN 1550-7998
Electronic ISSN 1550-2368
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 82
Issue 7
Article Number 074002
DOI https://doi.org/10.1103/physrevd.82.074002

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Copyright Statement
© 2010 American Physical Society





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