Measurements of cross sections and charge asymmetries for ee→ττ ee→μμ from 52 to 57 GeV
Authors
A. Bacala•R. Malchow•Kouji Ohta
Journal
Physics Letters B
Published
February 1, 1989
Abstract
Measurements of the differential cross sections for e+e−→μ+μ− and e+e−→τ+τ− at values of s from 52 to 57 GeV are reported. The forward-backward asymmetries and the total cross sections for these reactions are found to be in agreement with predictions of the standard model of the electro-weak interactions. These measurements are used to extract values of the weak coupling constant gvegvl and gAegAl, where l = μ or τ.
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