CDF Electroweak Group : W Mass

Details of the published Run 0 and Run-1A analyses can be found here .

This page has details of the results using the Run 1B data. These results been published in Phys. Rev. D64, 052001 (2001).

In February 1997 the first preliminary results from the 1B data using the muon channel were made public. The mass value was : 80.430 +/- 0.155 GeV where the momentum scale was normalised to the measured J/Psi mass.

In the results presented here, improvements, principally in the determination of the W pT and recoil model parameters, have been incorporated. These results also now include the W -> e nu analysis, which more than doubles the available statistics.

The CDF Run 1B Mass value is :
80.470 +/- 0.089 GeV
which when combined with previously published CDF Mw measurements yields a Run I CDF W mass value of :
80.433 +/- 0.079 GeV
Details of the latest Mw world average and Higgs constraints are here

These results have been presented at the upcoming conferences :
      Talk of Young-Kee Kim (Mar 5 La Thuile) :     PS-FILE
      Talk of Mark Lancaster [includes D0 results] (Mar 19 Moriond) :     PS-FILE
      Talk of Young-Kee Kim (Mar 19 FNAL-Wine+Cheese) :     PS-FILE

Below you can find details of the analysis and PS files of plots.

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