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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2012

Comment on ''Near-threshold behavior of electron-impact excitation of He+(2s) and He+(2p)''

Résumé

Xu and Shakeshaft [Phys. Rev. APLRAAN1050-294710.1103/PhysRevA.84.024701 84, 024701 (2011)] presented theoretical cross sections for excitation of the 2s and 2p states of He+ at low collision energies, pointing out in particular the presence of cusps at the excitation threshold. We update their discussion of the comparison between theory and experiment, and confirm that results obtained using standard R-matrix and two-dimensional R-matrix propagation techniques also show such cusps.

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hal-00909599 , version 1 (26-11-2013)

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Kevin M. Dunseath, Mariko Terao-Dunseath. Comment on ''Near-threshold behavior of electron-impact excitation of He+(2s) and He+(2p)''. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2012, 85 (3), pp.036701. ⟨10.1103/PHYSREVA.85.036701⟩. ⟨hal-00909599⟩
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