Thesis submitted August 1999 to Purdue University.

Author
------
Hardman, Adam Dean, Ph.D., Purdue University, August 1999. 

Title
-----
A Measurement of the Width of the $W$ Vector Boson in    
Proton-Antiproton Collisions
at $\sqrt{s} = 1.8$\,TeV.  

Major Professor: Arthur Garfinkel.

Abstract
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This thesis describes a measurement of the $W$ vector boson total width,
$\Gamma_W$, from the tail of the $W$ transverse mass
distribution. The 90 pb$^{-1}$ of data used in this thesis were
collected by the Collider Detector at 
Fermilab (CDF) from $p\overline{p}$ collisions at a center-of-mass
energy of $\sqrt{s} = 1.8$\,TeV. Fitting a Monte Carlo simulation to
the data over the $W$ transverse mass
distribution in the range $100 \mathrm{\,GeV} 
< M_T < 200 \mathrm{\,GeV}$, we find that
$\Gamma_W = 1.78^{+0.20}_{-0.19} \mathrm{(stat.)} \pm 0.14 
\mathrm{(syst.) GeV}$.


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