Measurements of the top quark mass with the D0 detector
Oleg Brandt (for the D0 Collaboration)
TL;DR
This paper reports the most recent measurements of the top quark mass using data from the D0 detector at Fermilab, achieving high precision and combining results with CDF to refine the value.
Contribution
It provides the most precise single measurement of the top quark mass and combines results with CDF for improved accuracy.
Findings
Most precise single measurement with 0.43% precision
Combined with CDF results for 0.37% precision
Measurements in final states with two leptons and one lepton
Abstract
The mass of the top quark is a fundamental parameter of the standard model (SM) and has to be determined experimentally. In this talk, I present the most recent measurements of the top quark mass in collisions at ~TeV recorded by the D0 experiment at the Fermilab Tevatron Collider. The measurements are performed in final states containing two leptons, using 5.4~\fb of integrated luminosity, and one lepton, using 9.7~\fb of integrated luminosity. The latter constitutes the most precise single measurement of the mass of the top quark, corresponding to a relative precision of 0.43\%. I conclude with a combination of our results with the results by the CDF collaboration, attaining a relative precision of 0.37\%
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Computational Physics and Python Applications