论文信息 - On the experimental determination of positron enhancement factors in metals

On the experimental determination of positron enhancement factors in metals

Recent experimental data on positron annihilation in alkali metals are compared with the results of different theoretical approaches to this problem within the Kahana formalism. The necessity of abandoning the biparabolic formula of Kahana (1963) in order to make progress in the investigation of momentum-dependent enhancement factors is emphasised.

H. Stachowiak | A. Rubaszek

[1] H. Stachowiak,et al. Application of the Quadratic Response Theory to the Screening of a Positron in an Electron Gas of Metallic Density , 1984, July 1.

[2] Z. Szotek,et al. Exact solution of the Kahana equation for a positron in an electron gas , 1981 .