Measurement of the Top Quark Mass with the Collider Detector at Fermilab

This report describes a measurement of the top quark mass in \ppbar collisions at a center of mass energy of 1.8 TeV. The data sample was collected with the CDF detector during the 1992--95 collider run at the Fermilab Tevatron, and corresponds to an integrated luminosity of 106 \pb. Candidate

t\bar{t}

events in the ``lepton+jets'' decay channel provide our most precise measurement of the top quark mass. For each event a top mass is determined by using energy and momentum constraints on the production of the \ttbar pair and its subsequent decay. A likelihood fit to the distribution of reconstructed masses in the data sample gives a top mass in the lepton+jets channel of 176.1\pm 5.1 (stat.)\pm 5.3 (syst.) \gevcc. Combining this result with measurements from the ``all-hadronic'' and ``dilepton'' decay topologies yields a top mass of 176.1\pm 6.6 \gevcc.

Note:

158 pages, 41 figures

anti-p p: colliding beams
anti-p p: annihilation
top: pair production
top: decay
mass: top
final state: ((n)jet lepton)
CDF
experimental results
Batavia TEVATRON Coll
bibliography

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Figures(0)

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