Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100663
Type: Artigo de periódico
Title: Elastic Cross Sections And Annihilation Parameter For E+-h2 Scattering Using The Schwinger Multichannel Method
Author: Lino J.L.S.
Germano J.S.E.
Da Silva E.P.
Lima M.A.P.
Abstract: We report detailed results for positron-H2 collisions obtained with the Schwinger multichannel method. Our calculations include annihilation parameter, differential, integral, and momentum transfer cross sections for energies below the positronium formation threshold. The calculations were carried out in the static-pluspolarization approximation with symmetry-resolved cross sections. Energy (temperature) dependence and symmetry-resolved contributions for the annihilation parameter Zeff are also reported. Our ab initio integral cross sections are found to be in good agreement with the experimental data.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0032209398&partnerID=40&md5=ee73852f039f167087aa83642b261fe6
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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