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Abstract: In this talk, I review the effective theory approach to unstable particleproduction and present results of a calculation of the process e- e+ ->mu-nubar mu u dbar X near the W-pair production threshold up to next-to-leadingorder in GammaW-MW ~ alpha ~ v^2. The remaining theoretical uncertainty and theimpact on the measurement of the W mass is discussed.



Autor: Christian Schwinn RWTH Aachen

Fuente: https://arxiv.org/







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