Four-fermion production near the W pair production threshold

Abstract

We perform a dedicated study of the four-fermion production process e − e + → µ − ¯ ν µ u ¯ d X near the W pair-production threshold in view of the importance of this process for a precise measurement of the W boson mass. Accurate theoretical predictions for this process require a systematic treatment of finite-width effects. We use unstable-particle… (More)

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