Abstract
DIRAC's theory of electrons gives us tho possibility of calculating the production of electronic pairs by collisions between electrons and nuclei. This process may be described as a second order effect of the porturbation of plane electron waves due to the nuclear field, and to the interaction between the incident electron and the electron which originates the pair in the transition from a negative to a positive onergy state (rising electron).
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References
C. MØller, Z. Phys., 70, 686; 1931.
L. Landau und E. Lifshitz, Sow. Phys., 6, 244; 1934.
E. J. Williams, NATURE, 135, 66; 1935.
H. Bethe und E. Fermi, Z. Phys., 77, 296; 1932. See also W. Heitler et L. Nordheim, J. Phys., 5, 449; 1934.
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RACAH, G. Production of Electron Pairs. Nature 136, 393–394 (1935). https://doi.org/10.1038/136393b0
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DOI: https://doi.org/10.1038/136393b0
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