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Z and Z production at p p ¯ colliders: Parton showers merged with O ( α s ) Monte Carlo approach

Z and Z production at p p ¯ colliders: Parton showers merged with O ( α s ) Monte Carlo approach We construct event generators for p p ¯ → W + X → e + ν X and p p ¯ → Z 0 X → e + e - X including complete O ( α s ) corrections, and interface with initial- and final-state parton showers. Problems with negative weights and double-counting multiple-parton emissions are averted. We calculate the q T ( W ) spectrum at both s = 0.63 TeV and s = 1.8 TeV, and compare with data and other theoretical predictions. We also present cross sections for the various W or Z plus multijet event topologies and compare with matrix-element results. We show several distributions associated with W + multijet events and find the jet rapidity distribution can be used to test the validity of our approach. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Z and Z production at p p ¯ colliders: Parton showers merged with O ( α s ) Monte Carlo approach

Physical Review D , Volume 45 (5) – Mar 1, 1992
9 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1992 The American Physical Society
ISSN
1089-4918
DOI
10.1103/PhysRevD.45.1503
Publisher site
See Article on Publisher Site

Abstract

We construct event generators for p p ¯ → W + X → e + ν X and p p ¯ → Z 0 X → e + e - X including complete O ( α s ) corrections, and interface with initial- and final-state parton showers. Problems with negative weights and double-counting multiple-parton emissions are averted. We calculate the q T ( W ) spectrum at both s = 0.63 TeV and s = 1.8 TeV, and compare with data and other theoretical predictions. We also present cross sections for the various W or Z plus multijet event topologies and compare with matrix-element results. We show several distributions associated with W + multijet events and find the jet rapidity distribution can be used to test the validity of our approach.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Mar 1, 1992

There are no references for this article.