Abstract

The angular correlation between Compton scattered photons and the recoil electrons has been measured in thin self-supporting carbon and aluminum foils using 100-keV synchrotron radiation from a wiggler at the DORIS III storage ring at Deutsches Elektronen-Synchrotron (DESY). The coincidence count rate is proportional to the three-dimensional electron momentum density (3D EMD) of the target, after integration over the energy distribution of the scattered photons and electrons it is proportional to the 2D EMD. The effect of multiple scattering of the recoil electrons within the target on the measured angular correlation is studied both by Monte Carlo calculations and by experiment.

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