Measurement of the W boson mass
The D0 Collaboration: V. Abazov, et al
TL;DR
This paper reports a highly precise measurement of the W boson mass using a large dataset from the Fermilab Tevatron, significantly improving the accuracy of previous measurements.
Contribution
It provides the most precise single-experiment measurement of the W boson mass to date, utilizing 1 fb^-1 of data and a large sample of candidate events.
Findings
Measured W boson mass: 80.401 +- 0.043 GeV
Largest single-experiment dataset for W mass measurement
Achieved highest precision in W mass measurement to date
Abstract
We present a measurement of the W boson mass in W -> ev decays using 1 fb^-1 of data collected with the D0 detector during Run II of the Fermilab Tevatron collider. With a sample of 499830 W -> ev candidate events, we measure M_W = 80.401 +- 0.043 GeV. This is the most precise measurement from a single experiment.
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