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Band structures in 101Pd
DOI:10.1103/PhysRevC.95.064312.png)
Abstract
En 中文
Excited states in the Pd-101 nucleus were investigated through the As-75(P-31, 2p3n) fusion-evaporation reaction at E-lab = 125 MeV by using the Indian National Gamma Array spectrometer equipped with 21 clover Ge detectors. The level scheme is considerably extended for medium spin values. New positive-parity band structures in Pd-101 have been studied within the framework of the projected shell model and are found to undergo transition from single quasiparticle to high-K three quasiparticle configuration after band crossing, i.e., from principal-axis rotation to tilted-axis rotation. The negative-parity band structures are discussed in the framework of the hybrid version of tilted-axis cranking shell model calculations. The observed alignment gain in the lowest excited nu h(11/2) negative-parity band results from successive (nu g(7/2))(2) and ( pi g(9/2))(2) pair alignments. The higher excited negative-parity bands are reproduced for the nu[h(11/2)(g(7/2)/d(5/2))(2)] and (pi g(9/2))(-2) circle times nu h(11/2) configurations.
Keywords:
QUANTUM NUMBER PROJECTION
ALIGNED STATES
ROTATION
NUCLEI
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