Abstract
The cross-sections for the emission of radiation by very fast electrons (energy great compared with mc2) and for the production of pairs of positive and negative electrons by very hard γ-rays is calculated, considering the screening of the atomic field in which the processes happen. The main part of the paper deals with the integration of the differential cross-section over the angles. It is found that the integral cross-section increases steadily with increasing energy of the primary particle, reaching an asymptotic value for extremely high energies.
Publisher
Cambridge University Press (CUP)
Reference2 articles.
1. Proc. Roy. Soc. London, in press.
Cited by
134 articles.
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