W production and properties at CDF

Details W production and properties at CDF W production and properties at CDF

2007-10-22

arxiv.org/abs/0710.4108v1

J.Phys.Conf.Ser.110:042018,2008

Physics

High Energy Physics

High Energy Physics - Experiment

To appear in the proceedings of the International Europhysics Conference On High Energy Physics (EPS-HEP2007), Manchester, Eng

Scientific paper

10.1088/1742-6596/110/4/042018

I present measurements of the W boson charge asymmetry and the W boson width G_W using 350 pb-1 of CDF Run II data. The charge asymmetry is the first direct measurement, which uses a new technique to reconstruct the W rapidity by constraining its mass; the result will further constrain Parton Distribution Functions in future fits. The width measurement relies on a fit to the W transverse mass distribution. We measure G_W = 2032 +/- 71 MeV which is in good agreement with the Standard Model prediction.

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