Beyond the Point Ps Approximation

Abstract:

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In application to positron annihilation spectroscopy, Ps atom is considered not as a point particle, but as a finite size e+e- pair localized in a bubble-like state in a medium. It is shown that during transition from quasifree to localized state, variation of the internal Coulombic e+-e- attraction energy (several eV) plays an important role, which may govern Ps localization process.

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Periodical:

Edited by:

Jozef Krištiak, Jan Kuriplach and Pradeep K. Pujari

Pages:

7-14

Citation:

S. V. Stepanov et al., "Beyond the Point Ps Approximation", Materials Science Forum, Vol. 733, pp. 7-14, 2013

Online since:

November 2012

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$38.00