Rotations and intrinsic K$pi$ = 1$sup +$ excitations in deformed rare-earth nuclei
Journal Article
·
· Nucl. Phys., A, v. A215, no. 1, pp. 178-188
OSTI ID:4379517
The K/sup pi / = 1/sup +/ intrinsic excitations in deformed rare-earth nuclei are studied in the framework of the random-phase approximation, which excludes the spurious state (zero-energy excitation) related with the rotation of the whole nucleus. The Nilsson-plus-pairing, quadrupole, and spin-dependent (magnetic dipole or spin-quadrupolel force model is taken. Cranking-model formulas for the moment of inertia and the collective gyromagnetic ratio are derived as the zero-energy limit of the lowest K/sup pi / = 1/sup +/ excited state s to the ground state of /sup 170/Yb are also calculated. The M1 transition strengths are concentrated almost below 6 MeV, while the E2 ones are scattered even up to 12 MeV. Several levels around 12 MeV show rather strong E2 transitions of DELTA N = 2 character. (auth)
- Research Organization:
- Kernforschungsanlage, Juelich, Ger.
- NSA Number:
- NSA-29-006544
- OSTI ID:
- 4379517
- Journal Information:
- Nucl. Phys., A, v. A215, no. 1, pp. 178-188, Journal Name: Nucl. Phys., A, v. A215, no. 1, pp. 178-188; ISSN NUPAB
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
CRANKING MODEL
ENERGY-LEVEL TRANSITIONS
MAGNETIC DIPOLES
N68732 --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
90 <= A <= 149--Energy Levels & Transitions
N68832* --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
NILSSON-MOTTELSON MODEL
QUADRUPOLES
RANDOM PHASE APPROXIMATION COUPLING-- DEFORMED NUCLEI-- DYSPROSIUM ISOTOPES-- ENERGY LEVELS-- ERBIUM ISOTOPES-- EXCITATION-- EXCITED STATES-- GADOLINIUM ISOTOPES-- GROUND STATES-- GYROMAGNETIC RATIO-- HAFNIUM ISOTOPES-- MOMENT OF INERTIA-- PARITY-- ROTATIONAL STATES-- SAMARIUM ISOTOPES-- SPIN-- SUM RULES-- TUNGSTEN ISOTOPES-- YTTERBIUM ISOTOPES
ENERGY-LEVEL TRANSITIONS
MAGNETIC DIPOLES
N68732 --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
90 <= A <= 149--Energy Levels & Transitions
N68832* --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
NILSSON-MOTTELSON MODEL
QUADRUPOLES
RANDOM PHASE APPROXIMATION COUPLING-- DEFORMED NUCLEI-- DYSPROSIUM ISOTOPES-- ENERGY LEVELS-- ERBIUM ISOTOPES-- EXCITATION-- EXCITED STATES-- GADOLINIUM ISOTOPES-- GROUND STATES-- GYROMAGNETIC RATIO-- HAFNIUM ISOTOPES-- MOMENT OF INERTIA-- PARITY-- ROTATIONAL STATES-- SAMARIUM ISOTOPES-- SPIN-- SUM RULES-- TUNGSTEN ISOTOPES-- YTTERBIUM ISOTOPES