EFFECTS OF THE W-BOSON WIDTH IN e+e−→W+W− REACTIONS
- 1 June 1986
- journal article
- research article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 01 (03) , 203-210
- https://doi.org/10.1142/s0217732386000282
Abstract
The total cross section for the process e+e−→W+W− followed by subsequent W-boson decays is calculated in the tree approximation by taking proper account of the W-boson width. It is found that the cross section is considerably modified by the finite-width effect in the threshold region, thus affecting the precise determination of the W-boson mass by experimental data. The effect of higher-order corrections is also considered.Keywords
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