Mathematical Proceedings of the Cambridge Philosophical Society · 1934 · 150 citations · 0 references
Natural SciencesPhysicsNuclear PhysicsParticle PhysicsRadiation PhysicsGamma EmissionNuclear Cross SectionsEnergy-dependent Cross SectionsGamma-ray Production Cross SectionsHigh-energy Radiation ProcessesIntegral Cross SectionRadiation Cross SectionsRadiation Interaction Cross SectionsSecondary Radiation ProductionVery-high-energy Gamma-ray Emission
The cross-sections for the emission of radiation by very fast electrons (energy great compared with mc 2 ) 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.