Phys. Rev. A 65, 062508 (2002) [7 pages]Experimental and theoretical investigation of radiative decay rates of metastable levels in La IIReceived 13 February 2002; published 17 June 2002 An experimental and theoretical investigation of lifetimes of metastable levels in La II has been performed. The experimentally obtained results using the laser probing of a stored ion beam were τ=5.2±0.2s for the a1G4 and τ=2.1±0.3s for the b1D2 levels. Within the error bars, the results are in good agreement with the relativistic Hartree-Fock calculations including core polarization. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.062508
DOI:
10.1103/PhysRevA.65.062508
PACS:
32.70.Cs, 31.10.+z
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