ON QUALITY OF ION BEAM REPRESENTATION BY MACROPARTICLE ENSEMBLES

E.S. Galpern, V.N. Lyakhovitskiy
VANT. Ser.: Mat. Mod. Fiz. Proc 1994. Вып.2. С. 78-87.

      On the base of model beam, corresponding to ITEF‘s project on heavy ion thermonuclear fusion, the procedure of ion clustering into macroparticles is analyzed. The nonidentity is shown for numerical models, corresponding to different methods of initial beam generation. It retains great freedom in beam representation, which may cause a variety of physical results or false physical pattern. The example of such false pattern is beam representation by macroparticle ensembles, which decreases the value of their side separation forces and may cause undesirable consequences, for example, when calculating focusing of such beams on a target. Some recommendations to overcome this situation are given.