PROPERTIES OF HIGHLY DEFORMED EVEN-EVEN NUCLEI (in Polish)
Journal Article
·
· Postepy Fizyki (Poland)
OSTI ID:4809316
A number of nuclear models are reviewed from the point of view of the particle-particle interaction that is inherent in each model. In the case of highly deformed nuclei, or nuclei whose value of A, the atomic number, is far from a magic number, those "interior" nucleons within the closed shell appear to play a negligible role in the collective nature of highly deformed nuclei. The interaction between the "exterior" nucleons, on the other hand, cannot be explained by the existence of a spherically symmetric central field that characterizes the interaction between closed-shell nucleons. The low-lying energy levels of highly deformed even-even nuclei are seen to have a structure characteristic of rotational levels. Quantitative expressions for the magnetic moment, the quadrupole moment and the moment of inertia are discussed. The dependence of moment of of inertia on the deformation of the nucleus cannot be explained without taking into account the coupling between pairs of nucleons with opposite spins, and this dependence falls between a monment of inertia that is characterized by the rotational of motion of an irrotational fluid (liquid drop model) and by the motion of a rigid rotator. Vibrational levels oi highly deformed nuclei are much more difficult to treat since their energy levels are near those of the closed shell nucleons. However, the vibrational states do interact with the rotational energy levels. giving rise to the most important source of perturbation of these levels. (TTT)
- Research Organization:
- Inst. of Nuclear Physics, Krakow
- NSA Number:
- NSA-16-011036
- OSTI ID:
- 4809316
- Journal Information:
- Postepy Fizyki (Poland), Journal Name: Postepy Fizyki (Poland) Vol. Vol: 12; ISSN PSTFA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Polish
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