Abstract
We present the Monte Carlo event generator YFSWW3 version 1.16 for the process of W-pair production and decay in electron–positron collisions. It includes O(α) electroweak radiative corrections in the WW production stage together with the O(α 3) initial-state-radiation (ISR) corrections in the leading-logarithmic (LL) approximation, implemented within the Yennie–Frautschi–Suura (YFS) exclusive exponentiation framework. The photon radiation in the W decays is generated by the dedicated program PHOTOS up to O(α 2) LL, normalized to the W branching ratios. The program is interfaced with the τ decay library TAUOLA and the quark fragmentation/hadronization package JETSET. The semi-analytical code KorWan for the calculations of the differential and total cross-sections at the Born level and in the ISR approximation is included.
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