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Figure 1
Principle of a QEGS experiment. (a) Schematic drawing of the experimental setup, where SR means synchrotron radiation. (b) Velocity profile applied to drive the 57Fe2O3 nuclear analyzer to induce the Doppler shift of the absorption energy. (c) Energy probability distribution of multiline gamma rays scattered from the sample. (d) Multiline absorption profiles of the analyzer at velocity points A and B in panel (b), shown with respect to the energies of the scattered gamma rays. (e) Gamma-ray intensity detected by CITIUS as a function of Doppler energy (proportional to Doppler velocity v).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 3| May 2026| Pages 609-616
https://doi.org/10.1107/S1600577526000883
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