EvolFMC

Markovian Monte Carlo program EvolFMC v.2 for solving QCD evolution equations We present the program EvolFMC v.2 that solves the evolution equations in QCD for the parton momentum distributions by means of the Monte Carlo technique based on the Markovian process. The program solves the DGLAP-type evolution as well as modied-DGLAP ones. In both cases the evolution can be performed in the LO or NLO approximation. The quarks are treated as massless. The overall technical precision of the code has been established at 5 10 4. This way, for the rst time ever, we demonstrate that with the Monte Carlo method one can solve the evolution equations with comparable or even better precision than with the other numerical methods. The Monte Carlo technique features better numerical stability and more solid estimate of the numerical error.

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  1. Jadach, S.; Płaczek, W.; Skrzypek, M.; Stokłosa, P.: Markovian Monte Carlo program EvolFMC v.2 for solving QCD evolution equations (2010)