The Multiple Scattering of Positrons and Electrons

Abstract
The multiple scattering of electrons and positrons at an energy of 0.4 MeV has been measured with a scintillation counter. The difference between the distribution width for electrons and that for positrons after scattering by aluminium, silver and gold is smaller than previous measurements have indicated, and is given approximately by the calculations of Mohr. Further work with electrons only, using silver and Ilford G5 emulsion as the scattering foil material shows good agreement with the theory of Molière.

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