Anisotropic Positron Annihilation with the High-Momentum Components of the Conduction Band in Copper
- 1 April 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 1 (7), 2852-2854
- https://doi.org/10.1103/physrevb.1.2852
Abstract
High-precision measurements of the angular correlation of annihilation radiation from oriented single crystals of copper are reported, showing marked anisotropies even at large angles. A comparison with the predictions of a simple theoretical model indicates that most of the large-angle anisotropy can be attributed to positron annihilation with the high-momentum components of the conduction band in copper.Keywords
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