Updated Combination of CDF and D0 Results for the Mass of the W Boson

Details Updated Combination of CDF and D0 Results for the Mass of the W Boson Updated Combination of CDF and D0 Results for the Mass of the W Boson

2009-08-10

arxiv.org/abs/0908.1374v1

Physics

High Energy Physics

High Energy Physics - Experiment

1 figure

Scientific paper

We summarize and combine the results on the direct measurements of the mass of the W boson in data collected by the Tevatron experiments CDF and D0 at Fermilab. Results from CDF Run-0 (1988-1889) and Run-I (1992-1995) have been combined with D0 results from Run-I, the CDF 200 pb^(-1) published results from the first period of Run-II (2001-2004) and the recent 1 fb^(-1) result in the electron channel from D0 (2002-2006). The results are corrected for any inconsistencies in parton distribution functions and assumptions about electroweak parameters used in the different analyses. The resulting Tevatron average for the mass of the W boson is M(W) = 80,420+31 MeV.

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