Nuclear reactions in the continuous energy region. Offprint from Nature, Vol. 144, July 29, 1939.
[London: Macmillan, 1939]. First edition, very rare offprint, of this sequel to the paper of Bohr & Kalckar, ‘On the Transmutation of Atomic Nuclei by Impact of Material Particles’, which had introduced the ‘liquid-drop model’ of the nucleus. “Bohr’s ‘droplet model’ of nuclear reactions, refined in various ways since it..... More
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