Differential cross sections for target excitation and positronium formation in positron-helium scattering

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorChaudhuri, Puspitapallab-
Autor(es): dc.creatorAdhikari, Sadhan K.-
Data de aceite: dc.date.accessioned2025-08-21T19:52:40Z-
Data de disponibilização: dc.date.available2025-08-21T19:52:40Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued1998-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.57.984-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224090-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224090-
Descrição: dc.descriptionPositronium formation and target excitation in positron-helium scattering have been investigated using the close-coupling approximation with realistic wave functions for the positronium and helium atoms. The following eight states have been used in the close-coupling scheme: [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] where Ps stands for the positronium atom. Calculations are reported of differential cross sections for elastic scatering, inelastic target excitation to [Formula Presented] and [Formula Presented] states, and rearrangement transition to [Formula Presented] [Formula Presented] and [Formula Presented] states for incident positron energies between 40 and 200 eV. The coincidence parameters for the transition to the [Formula Presented] state of helium are also reported and briefly discussed. © 1998 The American Physical Society.-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, 405-900-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista, São Paulo, 405-900-
Formato: dc.format984-989-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A - Atomic, Molecular, and Optical Physics-
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Título: dc.titleDifferential cross sections for target excitation and positronium formation in positron-helium scattering-
Tipo de arquivo: dc.typelivro digital-
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