[en] The method of simulating an slowly extracted resonant beam is presented. The slow extraction efficiency has been calculated for different schemes of extraction from the IHEP machine. Possibilities to optimize the beam optics in the first septum magnets are considered
Original Title
Modelirovanie puchka pri medlennom vyvode iz uskoritelya IFVEh i optimizatsiya skhemy vyvoda na rezonanse tret'ego poryadka