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Type: Artigo de periódico
Title: Low-energy Elastic Scattering Of Positrons By N2 O
Author: Arretche F.
Mazon K.T.
Michelin S.E.
Lee M.-T.
Lima M.A.P.
Abstract: We present a theoretical investigation on positron scattering by N2 O. Elastic differential and integral cross sections at both the static and static plus correlation-polarization levels of approximation are calculated and reported in the 0.1-100 eV. Calculations were performed using two theoretical methods, namely, the Schwinger multichannel method and the method of continued fractions. Also, two different schemes were used to treat correlation- polarization effects. The comparison between our calculated results and the existing experimental data is encouraging. © 2008 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.77.042708
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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