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Monte Carlo calculations of small-angle plural scattering

R G Lord and P Rockett

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The small-angle plural scattering of a well-collimated beam of mono-energetic particles by a collection of stationary scatterers has been investigated by means of Monte Carlo calculations. A cross-sectional profile of the form σ(θ) = σ(0) exp (− θ/α) has been assumed. This is a reasonably good approximation for the atomic scattering of medium-energy electrons and yet is sufficiently simple to allow analytical evaluation of the integrals occurring in the Goudsmit-Saunderson-Moliere theory of plural scattering.

The theoretical and Monte Carlo results are compared with the predictions of a simple model of plural scattering based on observations of small-angle scattering of medium-energy electrons in gases.


PACS

34.80.Bm Elastic scattering

02.70.Uu Applications of Monte Carlo methods

Subjects

Atomic and molecular physics

Computational physics

Dates

Issue 12 (December 1971)

Received 23 March 1971



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