On the absence of rotational levels for JπK = 0+02 and 2+22 nonrotational states in 164Dy and 166Er

On the absence of rotational levels for JπK = 0+02 and 2+22 nonrotational states in 164Dy and 166Er

Various reasons for the absence of rotational levels for J π K = 0 + 0 2 and 2 + 2 2 nonrotational states in 164 Dy and 166 Er are considered. Preference is given to the effect of the excitation of an anharmonic two-phonon state in pair vibrations of the superconducting type.

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Veröffentlicht in:Physics of atomic nuclei 2015-03, Vol.78 (2), p.167-170
Hauptverfasser: Govor, L. I., Demidov, A. M., Kurkin, V. A., Mikhailov, I. V.
Format: Artikel
Sprache:eng
Schlagworte:
Nuclei
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Zusammenfassung:Various reasons for the absence of rotational levels for J π K = 0 + 0 2 and 2 + 2 2 nonrotational states in 164 Dy and 166 Er are considered. Preference is given to the effect of the excitation of an anharmonic two-phonon state in pair vibrations of the superconducting type.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778815020155