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Hyperfine structure and multichannel quantum defect theory analysis of the 6sng rydberg series of barium (1988)

Vassen, W. ; Hogervorst, W.

Springer

The European physical journal 8 (1988), S. 149-161

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Details

ISSN: 1434-6079

Schlagwort(e): 31.60.+b ; 31.30.Gs ; 31.20.Tz ; 32.70.Cs

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract High resolution laser-atomic-beam spectroscopy has been applied to study the hyperfine structure of the barium 6sng Rydberg series forn=6−40. The singlet-triplet mixing of the two 6sng J=4 series is deduced through a diagonalisation of the total Hamiltonian. Multichannel Quantum Defect Theory (MQDT) has been used to reproduce both experimental level energies of the 6sng J=3,4 and 5 series and the extracted singlet-triplet mixing. The close-coupling channels of the 6sng Rydberg series turn out to be nearly purejj-coupled channels in contradistinction to lowerl Rydberg series. Furthermore MQDT is used to analyse the observed isotope shifts and peak intensities of the 6sng Rydberg series.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01384507

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