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2008-02-05 - Article/Dans un journal avec peer-review - Anglais - 9 page(s)

Quinet Pascal , Palmeri Patrick , Fivet Vanessa, Biémont Emile , Nilsson H., Engström L., Lundberg H., "Laser-induced-fluorescence lifetime measurements and relativistic Hartree-Fock Oscillator strength calculations in singly ionized platinum" in Physical Review. A, 77, 2, 1-9, 022501

  • Edition : American Physical Society, College Park (MD)
  • Codes CREF : Physique atomique et moléculaire (DI1220), Mécanique quantique classique et relativiste (DI1211)
  • Unités de recherche UMONS : Astrophysique et spectroscopie (S804)
Texte intégral :

Abstract(s) :

(Anglais) Radiative lifetimes of eight odd-parity states of Pt II, in the energy range from 51 408 to 64 388 cm-1, have been measured by means of the time-resolved laser-induced-fluorescence technique. Free, singly ionized platinum ions were obtained in a laser-produced plasma and a tunable laser with 1.5 ns duration pulse was used to selectively excite the Pt+ ions. The comparison of the experimental results with relativistic Hartree-Fock calculations emphasizes the importance of valence-valence correlation and of core-polarization effects in this complex ion. A new and extensive set of calculated oscillator strengths and transition probabilities is reported in the present paper.

Notes :
  • (Anglais) Lecture en ligne: http://kurslab.fysik.lth.se/Lars/Home/Reprint-PtII.pdf
Identifiants :
  • DOI : 10.1103/PhysRevA.77.022501