Precision Determination of the Top Quark Mass
Pedro A. Movilla Fernandez (for the CDF, D0 collaborations)
TL;DR
This paper reports updated measurements of the top quark mass from Tevatron experiments, achieving reduced uncertainties and an average mass of 170.9 GeV/c^2 based on approximately 1/fb of data.
Contribution
It provides the most precise top quark mass measurement to date from Tevatron data, improving the accuracy over previous results.
Findings
Top quark mass measured as 170.9 GeV/c^2
Uncertainties in decay channels have been reduced
Data sample size is about 1/fb per experiment
Abstract
The CDF and D0 collaborations have updated their measurements of the mass of the top quark using proton-antiproton collisions at sqrt{s}=1.96TeV produced at the Tevatron. The uncertainties in each of the of top-antitop decay channels have been reduced. The new Tevatron average for the mass of the top quark based on about 1/fb of data per experiment is 170.9+-1.8GeV/c^2.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Nuclear physics research studies