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Optical determination of the nuclear moments of137La (1972)

Fischer, W. ; Hühnermann, H. ; Mandrek, K.

Springer

The European physical journal 254 (1972), S. 127-132

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ISSN: 1434-601X

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Using the reactor-produced lanthanum isotope 57 137 La, the hyperfine structure (hfs) of the transition La I, 5d 2 6p z 4 G 11 2/0 −5d 2 6s a 4 F 9/2, λ=6250 Å and La I, 5d 2 6p z 2 H 11 2/0 − 5d 2 6s a 2G9/2, λ=6266 Å were measured by means of a Fabry-Pérot interferometer. The nuclear spin I (137La)=7/2, already theoretically estimated by earlier authors, was confirmed. The nuclear magnetic dipole moment μI(137La)=+ 2.690 (6) n.m. and the electric quadrupole momentQ(137La)=+ 0.26 (8) · 10−24 cm2 were determined from the ratios of the hfs interaction constantsA andB of137La and the natural139La.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01380061

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