Positronium-hydrogen atom elastic scattering at medium energies

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dc.contributor.authorAdhikari, S. K.
dc.contributor.authorMandal, P.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionDept Math
dc.date.accessioned2014-05-20T14:06:09Z
dc.date.available2014-05-20T14:06:09Z
dc.date.issued2000-10-28
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.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.format.extentL761-L765
dc.identifierhttp://dx.doi.org/10.1088/0953-4075/33/20/10g
dc.identifier.citationJournal of Physics B-atomic Molecular and Optical Physics. Bristol: Iop Publishing Ltd, v. 33, n. 20, p. L761-L765, 2000.
dc.identifier.doi10.1088/0953-4075/33/20/10g
dc.identifier.issn0953-4075
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/23218
dc.identifier.wosWOS:000165230700016
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofJournal of Physics B: Atomic, Molecular and Optical Physics
dc.relation.ispartofjcr2.119
dc.relation.ispartofsjr0,850
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titlePositronium-hydrogen atom elastic scattering at medium energiesen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/page/copyright
dcterms.rightsHolderIop Publishing Ltd
unesp.author.lattes8031087349809439
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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