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Figure 7
Acoustic phonons and elastic line in single-crystalline Be measured with and without the dispersion-compensation method, the total resolutions being 27 meV and 190 meV, respectively. The application of the described dispersion-compensation correction allows the quasi-elastic line to be resolved from the phonon peaks, which are smeared if the radiation is detected with a PISD. Note how the total intensity is conserved, the areas under both curves being equal, but the resolving power changes markedly.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 4| July 2005| Pages 467-472
https://doi.org/10.1107/S0909049505010630
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