'Enhancement Factor' for Positrons in Sodium

Autor: A. T. Stewart, J. J. Donaghy
Rok vydání: 1967
Předmět:
Zdroj: Physical Review. 164:396-398
ISSN: 0031-899X
Popis: 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.
Databáze: OpenAIRE