Measurement of the magnetic dipole moment of the 57 keV state of143Pr by time-differential perturbed angular correlation technique View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1977-01

AUTHORS

G. Netz, W. Prieske, H. Daum, E. Gerdau, V. Lakshminarayana, P. Herzog

ABSTRACT

The magnetic dipole interaction of the 57 keV state of143Pr in an environment of metallic cerium and in an aqueous solution of Ce(NO3)3 has been investigated by time-differential perturbed angular correlation experiments. The measurements were performed in external magnetic fields between 0.94 T and 2.24 T and at temperatures between 77 K and 1200 K. From the temperature dependence of the observed spin rotation the ionicity of the Pr ion is determined as Pr4+ in the Ce(NO3)3 and as Pr3+ in Ce metal in the intermediate nuclear state. The magnetic dipole moment of the 57 keV state is derived as μ = +(3.4±0.1)μK. From the room temperature relaxation constants α2 = (0.19±0.03)109s−1 for Ce(NO3)3 and α2= (0.07±0.02)109s−1 for Ce metal the correlation times τJ = (3.8±0.7)10−13s and τJ = (1.4±0.4)10−13s respectively are deduced. The angular correlation coefficientA2=+0.17±0.02 is in good agreement with the result of a decoupling experiment. More... »

PAGES

147-155

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf01021546

DOI

http://dx.doi.org/10.1007/bf01021546

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022892772


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