;Cluster;Basov;Cherenkov Neutrons;"δmax, %";1.34∙10–3;1.80∙10–3 σ;3.16∙105;1.75∙106 "Gamma quanta";"δmax, %";1.25∙10–3;1.96∙10–3 σ;1.69∙104;9.65∙104