J-matrix calculation of electron-helium S-wave scattering
Konovalov, D.A., Fursa, D.V., and Bray, I. (2011) J-matrix calculation of electron-helium S-wave scattering. Physical Review A (Atomic, Molecular and Optical Physics), 84 (3). pp. 1-10.
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The J-matrix approach to electron-atom scattering is revised by merging it with the Fano's multiconfiguration interaction matrix elements [ U. Fano Phys. Rev. 140 A67 (1965)]. The revised method is then applied to the S-wave model of the e-He scattering problem demonstrating remarkable computational efficiency and accuracy. In particular, the method is in complete agreement with the convergent-close-coupling elastic, 21,3S excitation and single ionization cross sections for impact energies in the range 0.1–1000 eV. The S-wave resonance structures in the elastic and 21,3S excitation cross sections are highlighted.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 100%|
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%|
|Deposited On:||27 Oct 2011 11:00|
|Last Modified:||18 Oct 2013 01:21|
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