Publicação
Low-energy elastic scattering of positrons by N2O
| Resumo: | Abstract: We present a theoretical investigation on positron scattering by N2O. 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 |
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| Autores principais: | Lima, Marco Aurélio Pinheiro, 1957- |
| Assunto: | Espalhamento elástico Pósitrons Polarização (Eletricidade) Elastic scattering Positrons Polarization (Electricity) Artigo original |
| Ano: | 2008 |
| País: | Brasil |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | IBICT |
| Idioma: | inglês |
| Origem: | Oasisbr |
| Resumo: | Abstract: We present a theoretical investigation on positron scattering by N2O. 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 |
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