TL;DR
This paper reviews the systematic error estimates in measuring the W boson mass at LEP2, updates the world average to 80.426 GeV/c2, and discusses implications for the Higgs boson mass limit.
Contribution
It provides an updated systematic error analysis and a new preliminary W mass value, refining previous measurements and the electroweak fit.
Findings
W mass world average: 80.426 GeV/c2
Higgs boson 95% C.L. upper limit: 211 GeV/c2
Updated systematic error estimates
Abstract
Recent studies to finalize the systematic error estimates on the measurement of the mass of the W boson at LEP2 are reviewed. Results including a new preliminary value from Aleph are updated together with the world average which is now 80.426 +- 0.034GeV/c2. The updated electroweak fit gives a 95% C.L. upper limit on the mass of the Higgs boson of 211GeV/c2.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · International Science and Diplomacy · Distributed and Parallel Computing Systems