Analysis of the Yrast Bands with q-Deformed Moment of Inertia

Chin. Phys. Lett.

2001, Vol. 18

Issue (2): 193-195 DOI:

Original Articles

Analysis of the Yrast Bands with q-Deformed Moment of Inertia

FANG Xiang-Zheng^1,2;RUAN Tu-Nan^1,3

¹CCAST(World Lab.) P.O. Box 8730, Beijing 100080 ²Department of Physics, Anhui University, Hefei 230039 (mailing address) ³Department of Modern Physics, University of Science and Technology of China, Hefei 230027

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FANG Xiang-Zheng, RUAN Tu-Nan 2001 Chin. Phys. Lett. 18 193-195

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Abstract The rigid-rotor with a q-deformed moment of inertia is introduced to describe the nuclear rotational spectra. With the representations of quantum algebra, the normal deformed and superdeformed bands are naturally differentiated by softness. The yrast normal deformed bands in rare earth and actinium regions, as well as the yrast superdeformed bands in A-190 and 150 regions are investigated. The calculated results agree with experimental data qualitatively well, and the values of the parameters are physically reasonable. This indicates that the fixed deformation, the stretching effect and the many body statistics effect are three possible dominant factors to govern nuclear rotational bands.

Keywords: 21.10.Re 21.60.Ev 21.60.Fw

Published: 01 February 2001

PACS:	21.10.Re	(Collective levels)
	21.60.Ev	(Collective models)
	21.60.Fw	(Models based on group theory)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I2/0193

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