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1999 | 95 | 4 | 539-545
Article title

Positron Trapping Model in Fine Grained Sample

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Abstracts
EN
In the paper we consider the positron trapping model in the sample where the spherical particles were immersed in the medium. The radius of the particles was small enough to take into account the diffusion of positrons. We present the exact solutions of the model for two cases, when transition of the positrons from the particle to the medium was neglected and when it was taken into consideration. The theoretical calculations were applied to description of the positron annihilation in the copper sample where the recrystallization process took place.
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  • Institute of Nuclear Physics, Radzikowskiego 152, 31-342 Kraków, Poland
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bwmeta1.element.bwnjournal-article-appv95z417kz
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