[Formula Presented] [Formula Presented] and [Formula Presented]-wave resonances in positronium–lithium-atom scattering

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorBiswas, P. K.-
Data de aceite: dc.date.accessioned2025-08-21T17:42:59Z-
Data de disponibilização: dc.date.available2025-08-21T17:42:59Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2000-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.61.012502-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/228459-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/228459-
Descrição: dc.descriptionWe investigate ortho-positronium–lithium-atom (Ps-Li) scattering using static-exchange and three-Ps-state coupled-channel calculations. The present three-Ps-state scheme, while closely agreeing with the resonance and binding energies in the Ps-H system, predicts [Formula Presented] [Formula Presented] and [Formula Presented]-wave resonances at 4.25 eV, 4.9 eV, and 5.25 eV, respectively, in the electronic spin-singlet channel of Ps-Li scattering. The present calculation also yields a Ps-Li binding in this attractive singlet channel with an approximate binding energy of 0.218 eV, which is in adherence with the recent findings of a chemically stable PsLi system using stocastic variational and quantum Monte Carlo calculations. We further report elastic, [Formula Presented] and [Formula Presented]-excitation cross sections at low to medium energies (0.068–30 eV). © 1999 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, São Paulo, 405-900-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, São Paulo, 405-900-
Formato: dc.format6-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A - Atomic, Molecular, and Optical Physics-
???dc.source???: dc.sourceScopus-
Título: dc.title[Formula Presented] [Formula Presented] and [Formula Presented]-wave resonances in positronium–lithium-atom scattering-
Tipo de arquivo: dc.typelivro digital-
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