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Decoupling behavior in 132La
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DOI：10.1103/PhysRevC.82.054302.png)
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Abstract
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Heavy-ion fusion reactions Sn-122(N-14,N-15, xn)La-132 have been utilized for the lifetime measurements using the recoil distance method. The lifetimes of seven low-lying excited states were obtained. In addition, the lifetimes of two states belonging to a band, which was identified as a decoupled band, were obtained. The decoupling behavior in La-132 has been theoretically investigated using the particle-rotor model in the model space of pi h(11/2) and (nu s(1/2), nu d(3/2)). The pseudospin coupling model was also utilized to understand the decoupling behavior in terms of the valence-particle configuration pi h(11/2)(Omega(pi) = 1/2) circle times nu[(411) over tilde](Omega(nu) = 1/2, 3/2), and a reasonable agreement with the experiment was obtained.
Keywords:
ELECTRIC-DIPOLE TRANSITIONS
RESONANCE FLUORESCENCE
OCTUPOLE VIBRATIONS
E1 TRANSITIONS
SCISSORS MODE
STATES
ODD
EXCITATIONS
PSEUDOSPIN
NUCLEI
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Relative quadrupole deformations for decoupled structures in the odd-odd 130Pr and 132Pr nuclei.png)
PHYSICAL REVIEW C
PHYSICAL REVIEW CIF3.4
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ShareSaveRole of chirality in angular momentum coupling for A∼130 odd-odd triaxial nuclei:: 132La -: art. no. 044328PHYSICAL REVIEW C
PHYSICAL REVIEW CIF3.4
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