A measurement of sine(2)theta(W) from the forward-backward asymmetry in proton-antiproton going to Z boson positron-electron interactions at sqrt.s = 1.8 TeV
Hurst, Peter Todd
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https://hdl.handle.net/2142/23631
Description
Title
A measurement of sine(2)theta(W) from the forward-backward asymmetry in proton-antiproton going to Z boson positron-electron interactions at sqrt.s = 1.8 TeV
Author(s)
Hurst, Peter Todd
Issue Date
1990
Doctoral Committee Chair(s)
Holloway, L.E.
Department of Study
Physics, Elementary Particles and High Energy
Discipline
Physics, Elementary Particles and High Energy
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Elementary Particles and High Energy
Language
eng
Abstract
An analysis of the forward-backward asymmetry in Z$\sp{0}$ decays using data from the Collider Detector at Fermilab provides a measurement of sin$\sp2\bar\theta\sb{\rm W}$. The forward-backward asymmetry is measured to be (5.2 $\pm$ 5.9 (stat) $\pm$ 0.4 (sys))%, which implies sin$\sp2\bar\theta\sb{\rm W}$ = 0.288$\sbsp{-0.015}{+0.017}$ (stat) $\pm$ 0.002 (sys), after QCD, QED, and weak corrections. When higher order weak corrections are included, the measured value of sin$\sp2\theta\sb{\rm W}$ is consistent with previous measurements over a broad range of top quark masses.
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