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Título : The nuclear structure of 223Fr
Autor : Kurcewicz, W., Løvhøiden, G., Thorsteinsen, T. F., García Borge, María José, Burke, D. G., Cronqvist, M., Gabelmann, H., Gietz, H., Hill, P., Kaffrell, N., Naumann, R. A., Nybø, K., Nyman, G., Rogowski, J.
Palabras clave : Rn-223 [From Th-232 (P, 5p5n), Mass Separation]
Measured E-gamma, I-gamma, EE, I(ce), Gamma-Gamma-coincidences
Fr-223 deduced levels, ICC, multipolarities, I-pi, rotational bands, dipole moment
Ge, Si(Li) detectors, mini-orange spectrometer
Fecha de publicación : 30-Mar-1992
Editor: Elsevier
Resumen: The γ-rays following the β- decay of Rn-223 have been investigated by means of γ-ray singles including multispectrum analysis, and γγ-coincidence measurements using Ge detectors. Multipolarities of 38 transitions in Fr-223 have been established by measuring conversion electrons with a mini-orange electron spectrometer. Most of the observed transitions could be placed in a level scheme comprising 53 excited states of Fr-223. The level structure is interpreted in terms of K(π) = (3/2)± and (1/2)± parity doublet bands, and a second K(π) = (3/2)± higher-lying parity doublet. The experimental data are compared with the theoretical predictions of the reflection-asymmetric rotor model.
Descripción : 27 pages, 6 figures, 3 tables.
Versión del editor:
ISSN: 0375-9474
DOI: 10.1016/0375-9474(92)90287-T
Citación : Nuclear Physics A 539(3): 451-477 (1992)
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