bethe-fenman sootra

vikhandan bombchya utpannachi ganana karnyasathi eka sopee paddhat, bethe-fenman karyakshamta sootra, 1942 madhye vikasit jhalyanantar 1943 madhye pahilyanda tayar karnyat aale. sutrache pailu gupt pratibandhit deta asalyacha andaj aahe.
sambandhit sootra.
sootra _ 1
tyanantar bethe-fenman sootra tayar karnyasathi sankhyatmak gunank samavisht keela jaeel-pariman kramapeksha achookata vadhavane.
sootra _ 2
jethe "γ" haah photon vayucha thermodynamic ghatank aahe, "e2" hii indhanachi twarit urja ghanata aahe, "α" hii "v _ n" (neutron veg)/"λ _ mfp _ tot" (ekoon pratikriya mhanje mukt marg) aahe, "r _ crit" hii nirnayak trijya aahe aanee δ hii atirikt atee-nirnayak trijya aahe.

