Measurement of the WZ cross section and triple gauge couplings in pp̅ collisions at √s=1.96 TeV
Name
Aaltonen-2012-Measurement of the WZ cross section and triple gauge couplings.pdf
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Author(s)
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Paus, Christoph M. E.
Date Issued
August 2012
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaltonen, T. et al. “Measurement of the WZ cross section and triple gauge couplings in pp̅ collisions at √s=1.96 TeV.” Physical Review D 86.3 (2012). © 2012 American Physical Society
Version
Final published version
Abstract
This article describes the current most precise measurement of the WZ production cross section as well as limits on anomalous WWZ couplings at a center-of-mass energy of 1.96 TeV in proton-antiproton collisions for the Collider Detector at Fermilab (CDF). WZ candidates are reconstructed from decays containing three charged leptons and missing energy from a neutrino, where the charged leptons are either electrons or muons. Using data collected by the CDF II detector (7.1 fb[superscript -1] of integrated luminosity), 63 candidate events are observed with the expected background contributing 8±1 events. The measured total cross section σ(pp̅ →WZ)=3.93[subscript -0.53][superscript +]0.60(stat)[subscript -0.46][superscript +0.59](syst) pb is in good agreement with the standard model prediction of 3.50±0.21. The same sample is used to set limits on anomalous WWZ couplings.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.86.031104
