A theoretical momentum density distribution of the electrons in Mg metal is calculated by the APW method and a momentum density of the electrons sampled by the thennalised positron is also calculated. Compton profiles and angular correlation curves of the positron annilhilation radiation are calculated for three principal directions. In order to investigate some origins of the anisotropy of the profiles, the momentum density in the ΓKM plane is examined.
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Shinya Wakoh (1981) studied this question.
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