Multiple Scattering of Neutrons in Gaseous and Liquid Methane
- 1 October 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 4 (4), 1560-1567
- https://doi.org/10.1103/physreva.4.1560
Abstract
A "factor method" of evaluating the double-scattering correction for inelastic-neutron-scattering experiments with an infinite-plane-slab specimen has been developed. Using appropriate dynamical models, calculations have been made both for highly compressed room-temperature gaseous methane and for liquid methane at 98 °K. As a result, the agreement between analytical results with measurements is remarkably improved. In addition, the model sensitivity of the correction and the advantages of reflection-type experimental geometry over transmission-type are investigated.Keywords
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