Possible magnetic and antimagnetic rotations in Dy-144
- Sugawara, M (Sugawara, M.)
- Toh, Y (Toh, Y.)
- Oshima, M (Oshima, M.)
- Koizumi, M (Koizumi, M.)
- Osa, A (Osa, A.)
- Kimura, A (Kimura, A.)
- Hatsukawa, Y (Hatsukawa, Y.)
- Goto, J (Goto, J.)
- Kusakari, H (Kusakari, H.)
- Morikawa, T (Morikawa, T.)
- Zhang, YH (Zhang, Y. H.)
- Zhou, XH (Zhou, X. H.)
- Guo, YX (Guo, Y. X.)
- Liu, ML (Liu, M. L.)
DOIAbstract
High spin states of Dy-144 have been studied through in-beam gamma-ray spectroscopy by using the reaction Mo-92(Fe-56,2p2n). It has been found that the continuation of the ground-state band forks into three Delta I=2 bands above the 8(+) state. This forking has been attributed to the alignments of pi h(11/2)(2) or nu h(11/2)(-2) configurations with the help of the systematics in neighboring nuclei. Additionally a negative-parity sideband of Delta I=2 cascades has been observed to start from the 5((-)) state and continue to a dipole band above the (13(-)) state through another negative-parity sideband of Delta I=2 cascades in between. These structures have been discussed from the viewpoint of a competition between "Magnetic Rotation" and "An...
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