Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-03-14
Comput.Phys.Commun.140:432-474,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
submitted to Comput. Physics Commun
Scientific paper
10.1016/S0010-4655(01)00288-0
We present the Monte Carlo event generator YFSWW3 version 1.16 for theprocess of W-pair production and decay in electron-positron collisions. It includes ${\cal O}(\alpha)$ electroweak radiative corrections in the WW production stage together with the ${\cal O}(\alpha^3)$ 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 ${\cal O}(\alpha^2)$ LL, normalised to the W branching ratios. The program is interfaced with the $\tau$ 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.
Jadach Stanislaw
Placzek Wieslaw
Skrzypek Maciej
Ward B. F. L.
was Zbigniew
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