Top Quark Mass in Lepton+Jets Decays at the Tevatron
Christian Schwanenberger (for the CDF, D0 Collaborations)
TL;DR
This paper reports precise measurements of the top quark mass in lepton+jets decay channels using Tevatron data, culminating in a combined world average of 172.4 GeV with 0.7% precision.
Contribution
It provides the most recent combined measurement of the top quark mass from Tevatron experiments using up to 2.8 fb-1 of data.
Findings
Top quark mass measured as 172.4 GeV
Achieved a 0.7% relative precision
Combined results from CDF and D0 experiments
Abstract
Various measurements of the top quark mass in the lepton+jets decay channel of top quark pair production are presented. The measurements are performed on data samples of up to 2.7 fb-1 of integrated luminosity acquired by the CDF and D0 experiments in Run-II of the Tevatron proton-anti-proton collider at a center-of-mass energy of sqrt(s) = 1.96 TeV. The new Tevatron combination using up to 2.8 fb-1 of data results in a preliminary world average mass of the top quark of m_top = 172.4 +- 1.2 GeV. This corresponds to a relative precision of 0.7%.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · High-Energy Particle Collisions Research