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dc.contributor.authorAdhikari, S. K.-
dc.contributor.authorMandal, P.-
dc.identifier.citationJournal of Physics B-atomic Molecular and Optical Physics. Bristol: Iop Publishing Ltd, v. 33, n. 20, p. L761-L765, 2000.-
dc.description.abstractWe study the elastic scattering of positronium atoms by hydrogen atoms at medium energies using partial-wave Born-Oppenheimer (BO) exchange amplitudes and report accurate BO cross sections in the energy range 0 to 60 eV. The present BO results agree with a 22-state R-matrix and a five-state coupled-channel model potential calculation, but disagree strongly with a conventional close-coupling calculation as well as its input BO amplitudes at medium energies.en
dc.publisherIop Publishing Ltd-
dc.sourceWeb of Science-
dc.titlePositronium-hydrogen atom elastic scattering at medium energiesen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionDept Math-
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationDept Math, Santiniketan 731235, W Bengal, India-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Physics B: Atomic, Molecular and Optical Physics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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