I cant remember which, but a documentary about the bombing of Hiroshima and Nagasaki said that after the first bomb, Japanese scientists were deployed to confirm or deny the US's claim of an atomic weapon.
If I remember right, the Japanese scientists confirmed signs of an atomic explosion, but the leaders were stuck in a debate as to whether or not to accept the findings
Maybe someone better educated can correct me if I didn't get that history quite right
If I remember right, the Japanese scientists confirmed signs of an atomic explosion, but the leaders were stuck in a debate as to whether or not to accept the findings
Maybe someone better educated can correct me if I didn't get that history quite right
Edit:
https://en.wikipedia.org/wiki/Yoshio_Nishina#Atomic_bomb
https://en.wikipedia.org/wiki/Bunsaku_Arakatsu (check out his academic advisor!)