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Convergent variational calculation of positronium-hydrogen-atom scattering lengths

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dc.contributor.authorAdhikari, S. K.
dc.contributor.authorMandal, P.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionVisva Bharati
dc.date.accessioned2014-05-20T14:07:21Z
dc.date.available2014-05-20T14:07:21Z
dc.date.issued2001-03-28
dc.description.abstractWe present a convergent variational basis-set calculational scheme for elastic scattering of the positronium atom by the hydrogen atom in S wave. Highly correlated trial functions with appropriate symmetry are needed to achieve convergence. We report convergent results for scattering lengths in atomic units for both singlet (= 3.49 +/-0.20) and triplet (= 2.46 +/-0.10) states.en
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.description.affiliationVisva Bharati, Dept Math, Santiniketan 731235, W Bengal, India
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil
dc.format.extentL187-L194
dc.identifierhttp://dx.doi.org/10.1088/0953-4075/34/6/106
dc.identifier.citationJournal of Physics B-atomic Molecular and Optical Physics. Bristol: Iop Publishing Ltd, v. 34, n. 6, p. L187-L194, 2001.
dc.identifier.doi10.1088/0953-4075/34/6/106
dc.identifier.issn0953-4075
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/23636
dc.identifier.wosWOS:000168140200006
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.titleConvergent variational calculation of positronium-hydrogen-atom scattering lengthsen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/page/copyright
dcterms.rightsHolderIop Publishing Ltd
dspace.entity.typePublication
unesp.author.lattes8031087349809439
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica