THE EFFECT OF POSITRONIUM FORMATION IN POSITRON ALKALI-ATOM SCATTERING

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dc.contributor.authorRay, H.
dc.contributor.authorAdhikari, S. K.
dc.contributor.authorGhosh, A. S.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:26:32Z
dc.date.available2014-05-20T15:26:32Z
dc.date.issued1994-09-16
dc.description.abstractWe study e+-Na, e+-K, and e+-Rb scattering using the close coupling approach in the static and coupled static expansion schemes. We calculate partial wave elastic scattering phase shifts and total elastic and Ps formation cross sections up to an incident positron energy of 100 eV. The effect of the positronium formation channel on the elastic channel is found to be strong in all cases up to an incident positron energy of 10 eV. We also make an estimate of the total cross section which exhibits a minimum as a function of energy at low energies.en
dc.description.affiliationUNIV ESTADUAL PAULISTA,INST FIS TEOR,BR-01405 SAO PAULO,BRAZIL
dc.description.affiliationUnespUNIV ESTADUAL PAULISTA,INST FIS TEOR,BR-01405 SAO PAULO,BRAZIL
dc.format.extent429-435
dc.identifierhttp://dx.doi.org/10.1016/0009-2614(94)00846-9
dc.identifier.citationChemical Physics Letters. Amsterdam: Elsevier B.V., v. 227, n. 4-5, p. 429-435, 1994.
dc.identifier.doi10.1016/0009-2614(94)00846-9
dc.identifier.issn0009-2614
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/36690
dc.identifier.wosWOS:A1994PG25400010
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofChemical Physics Letters
dc.relation.ispartofjcr1.686
dc.relation.ispartofsjr0,656
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleTHE EFFECT OF POSITRONIUM FORMATION IN POSITRON ALKALI-ATOM SCATTERINGen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes8031087349809439
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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Artigos - Instituto de Física Teórica (IFT)