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Type: Artigo de periódico
Title: Low Energy Scattering Of Positrons By H2 O
Author: Arretche F.
Tenfen W.
Mazon K.T.
Michelin S.E.
Lima M.A.P.
Lee M.-T.
Machado L.E.
Fujimoto M.M.
Pessoa O.A.
Abstract: We present a theoretical investigation on elastic positron-H2 O collisions. More specifically, differential and integral cross sections in the 0-10 eV energy range are reported. The calculations were performed using two theoretical approaches, namely, the Schwinger multichannel method and the method of continued fractions. The positron-molecule interaction dynamics is described by using a potential composed of static and correlation-polarization contributions. Comparison of our calculated results with the recent experimental of Zecca et al. [J. Phys. B 39 (2006) 1597] and theoretical results is encouraging. © 2009 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.nimb.2009.10.187
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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