Combination of CDF and D0 Results on the Mass of the Top Quark
Tevatron Electroweak Working Group, CDF, D0 Collaborations
TL;DR
This paper combines top-quark mass measurements from CDF and D0 experiments at Fermilab, resulting in a preliminary Tevatron average mass of 173.3 GeV with an uncertainty of 1.1 GeV.
Contribution
It provides a combined analysis of multiple measurements, improving the precision of the top-quark mass estimate by accounting for correlations and uncertainties.
Findings
Preliminary Tevatron average top-quark mass is 173.3 GeV.
Uncertainty in the combined measurement is 1.1 GeV.
Data from Run I and Run II are integrated for improved accuracy.
Abstract
We summarize the top-quark mass measurements from the CDF and DO experiments at Fermilab. We combine published Run I (1992-1996) measurements with the most precise published and preliminary Run II (2001-present) measurements using up to 5.6fb-1 of data. Taking uncertainty correlations properly into account, and adding in quadrature the statistical and systematic uncertainties, the resulting preliminary Tevatron average mass of the top quark is M(top) = 173.3+-1.1.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research