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Extracting<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math>boson couplings from the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>e</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mrow><mml:mi>e</mml:mi></mml:mrow><mml:mrow><mml:mo>โ</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>production of four leptons
We consider the processes ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{\ensuremath{\ell}}^{+}{\ensuremath{\ell}}^{\ensuremath{'}\ensuremath{-}}\ensuremath{\nu}{\overline{\ensuremath{\nu}}}^{\ensuremath{'}}$, including all the possible charged lepton combinations, with regard to measuring parameters characterizing the $W$ boson. These reactions all proceed via virtual $W$ pair production as well as a number of undistinguished $s$- and $t$-channel modes. In addition, some of the processes also have contributions โฆ