"Enhancement Factor" for Positrons in Sodium
- 10 December 1967
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 164 (2) , 396-398
- https://doi.org/10.1103/physrev.164.396
Abstract
Experimental data from positron annihilation in sodium single crystals show (a) that the Fermi surface is spherical and (b) that the momentum dependence of the "enhancement factor" of the polarization of the electron sea by the positron agrees with calculations.Keywords
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