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http://acervodigital.unesp.br/handle/11449/23886
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DC Field | Value | Language |
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dc.contributor.author | Adhikari, S. K. | - |
dc.contributor.author | Mandal, P. | - |
dc.date.accessioned | 2014-05-20T14:08:06Z | - |
dc.date.accessioned | 2016-10-25T17:13:43Z | - |
dc.date.available | 2014-05-20T14:08:06Z | - |
dc.date.available | 2016-10-25T17:13:43Z | - |
dc.date.issued | 2001-04-28 | - |
dc.identifier | http://dx.doi.org/10.1088/0953-4075/34/8/302 | - |
dc.identifier.citation | Journal of Physics B-atomic Molecular and Optical Physics. Bristol: Iop Publishing Ltd, v. 34, n. 8, p. 1361-1367, 2001. | - |
dc.identifier.issn | 0953-4075 | - |
dc.identifier.uri | http://hdl.handle.net/11449/23886 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/23886 | - |
dc.description.abstract | Scattering of positronium (Ps) by sodium and potassium atoms has been investigated employing a three-Ps-state coupled-channel model with Ps(ls,2s,2p) states using a time-reversal-symmetric regularized electron-exchange model potential fitted to reproduce accurate theoretical results for PsNa and PsK binding energies. We find a narrow S-wave singlet resonance at 4.58 eV of width 0.002 eV in the Ps-Na system and at 4.77 eV of width 0.003 eV in the Ps-K system. Singlet P-wave resonances in both systems are found at 5.07 eV of width 0.3 eV. Singlet D-wave structures are found at 5.3 eV in both systems. We also report results for elastic and Ps-excitation cross sections for Ps scattering by Na and K. | en |
dc.format.extent | 1361-1367 | - |
dc.language.iso | eng | - |
dc.publisher | Iop Publishing Ltd | - |
dc.source | Web of Science | - |
dc.title | S-, P- and D-wave resonances in positronium-sodium and positronium-potassium scattering | en |
dc.type | outro | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.contributor.institution | Dept Math | - |
dc.description.affiliation | Univ Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil | - |
dc.description.affiliation | Dept Math, Santiniketan 731235, W Bengal, India | - |
dc.description.affiliationUnesp | Univ Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil | - |
dc.identifier.doi | 10.1088/0953-4075/34/8/302 | - |
dc.identifier.wos | WOS:000168612400007 | - |
dc.rights.accessRights | Acesso restrito | - |
dc.relation.ispartof | Journal of Physics B: Atomic, Molecular and Optical Physics | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
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