Deconvolution of differential cross sections obtained from molecular beam experiments

M. Shapiro; R. B. Gerber; U. Buck; J. Schleusener

doi:10.1063/1.435356

Deconvolution of differential cross sections obtained from molecular beam experiments

M. Shapiro^*
, R. B. Gerber
, U. Buck
, J. Schleusener

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A method is given for the deconvolution of measured differential cross sections to yield the correct center-of-mass cross sections, free of laboratory averaging. An input showing well-resolved oscillations, as observed in diffraction scattering of light atoms, is assumed. Both velocity and angular experimental averaging are allowed for. To deconvolute energy-fixed data a "scaling law" for the differential cross section is used. A method for the extraction of a sufficiently accurate scaling relation from experiment is described. Several numerical illustrations of the scheme are given, including the deconvolution of the elastic cross section for the Ne+D₂ system.

Original language	English
Pages (from-to)	3570-3576
Number of pages	7
Journal	The Journal of Chemical Physics
Volume	67
Issue number	8
DOIs	https://doi.org/10.1063/1.435356
State	Published - 1977

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AB - A method is given for the deconvolution of measured differential cross sections to yield the correct center-of-mass cross sections, free of laboratory averaging. An input showing well-resolved oscillations, as observed in diffraction scattering of light atoms, is assumed. Both velocity and angular experimental averaging are allowed for. To deconvolute energy-fixed data a "scaling law" for the differential cross section is used. A method for the extraction of a sufficiently accurate scaling relation from experiment is described. Several numerical illustrations of the scheme are given, including the deconvolution of the elastic cross section for the Ne+D2 system.

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Deconvolution of differential cross sections obtained from molecular beam experiments

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