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Nuclear radii of thorium isotopes from laser spectroscopy of stored ions (1989)

Kälber, W. ; Rink, J. ; Bekk, K. ; [weitere]

Springer

The European physical journal 334 (1989), S. 103-108

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Details

ISSN: 1434-601X

Schlagwort(e): 21.10.F ; 21.60 ; 27.90 ; 29.90 ; 31.30.G ; 32.50.F ; 32.80.K ; 35.10.F ; 35.80 ; 42.60.K

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Isotope shifts and hyperfine splittings in optical transitions for atomic ions of the thorium isotopes227Th to230Th and232Th have been measured by laser spectroscopy on stored ions. From the isotope shift data, changes of the mean square charge radii are determined. A continuous increase of the charge radius with mass numberA is observed, in agreement with droplet model calculations. The results indicate that the odd-even staggering for Th is different from that one of the neighbouring isotones of Fr and Ra. There is some empirical evidence from systematics for an inversion of the staggering and the appearance of an octupole deformation atN ≦137. The hyperfine splitting for229Th for 3 electronic levels is given.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01294392

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