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Related papers: High-$K$ multi-particle bands and pairing reductio…

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In order to clarify the nature of hypernuclear low-lying states, we carry out a comprehensive study for the structure of $^{144-154}_{~~~~~~~~\Lambda}$Sm-hypernuclei, which exhibit a transition from vibrational to rotational characters as…

Nuclear Theory · Physics 2017-07-19 H. Mei , K. Hagino , J. M. Yao , T. Motoba

The newly developed multi-quasiparticle triaxial projected shell-model approach is employed to study the high-spin band structures in neutron-deficient even-even Ce- and Nd-isotopes. It is observed that gamma-bands are built on each…

Nuclear Theory · Physics 2015-05-13 J. A. Sheikh , G. H. Bhat , R. Palit , Z. Naik , Y. Sun

In present work, we evaluated the experimental data pertains to two quasiparticle rotational structures in deformed odd-odd nuclei in rare earth mass region. The compilation includes total 234 rotational bands among which 173 are rotational…

Nuclear Theory · Physics 2025-08-08 Pinky , Sushil Kumar , Sukhjeet Singh , A. K. Jain

Low-energy vibrational excitations associated with the fluctuation of quadrupole deformed shapes are discussed within the frame of state-of-the-art Configuration Interaction calculations, actually performed via the Quasi-particle Vacua…

Nuclear Theory · Physics 2025-07-30 Y. Tsunoda , T. Otsuka , N. Shimizu , T. Duguet , Y. Utsuno , T. Abe

High spin states in 105Cd were studied using 16O beam on 92Mo reaction at an incident beam energy of 75 MeV. The level scheme of 105Cd has been observed up to an excitation energy of 10.8 MeV with the addition of 30 new gamma transitions to…

Band structure properties of $^{182}$Os are investigated through a particle number and angular momentum constrained generator coordinate(GCM) calculation based on self-consistent three-dimensional cranking solutions. From the analysis of…

Nuclear Theory · Physics 2009-10-31 Takatoshi Horibata , Makito Oi , Naoki Onishi , Ahmad Ansari

Experimental studies of 152Sm using multiple-step Coulomb excitation and inelastic neutron scattering provide key data that clarify the low-energy collective structure of this nucleus. No candidates for two-phonon beta-vibrational states…

The Interacting Boson plus broken-pairs Model has been used to describe high-spin bands in spherical and transitional nuclei. In the spherical nucleus $^{104}$Cd the model reproduces the structure of high-spin bands built on a vibrational…

Nuclear Theory · Physics 2007-05-23 G. Bonsignori , D. Vretenar , S. Cacciamani , L. Corradini

Recent experiments have confirmed the existence of rotational bands in the A \~ 110 mass region with very extended shapes lying between super- and hyper-deformation. Using the projected shell model, we make a first attempt to describe…

Nuclear Theory · Physics 2009-11-07 Ching-Tsai Lee , Yang Sun , Jing-ye Zhang , Mike Guidry , Cheng-Li Wu

A systematic investigation of the high-spin band structures observed in $^{103,105,107,109}$Nb and $^{103,105,107,109}$Tc nuclides is performed using the triaxial projected shell model (TPSM) approach. For $^{103,105}$Nb isotopes, four…

Nuclear Theory · Physics 2026-03-10 Uzma Jahangir , S. P. Rouoof , S. Jehangir , G. H. Bhat , J. A. Sheikh , N. A. Rather

The recently observed possible antimagnetic rotation band in $^{101}$Pd is investigated by the cranked shell model with pairing correlations treated by a particle-number conserving method, in which the blocking effects are taken into…

Nuclear Theory · Physics 2016-09-21 Zhen-Hua Zhang

The rotational bands in the neutron-rich nuclei $^{153-157}$Pm are investigated by a particle-number conserving method. The kinematic moments of inertia for the 1-quasiparticle bands in odd-$A$ Pm isotopes $^{153, 155, 157}$Pm are…

Nuclear Theory · Physics 2019-12-30 Shuo-Yi Liu , Miao Huang , Zhen-Hua Zhang

In this work, we report the first complete shell-model description of low-lying structures of $^{254}$No. Employing the Kuo-Herling effective interaction, the calculations are performed within the Discrete Non-Orthogonal Shell Model…

Nuclear Theory · Physics 2025-06-18 D. D. Dao , F. Nowacki

The lowest six rotational bands have been studied in the particle-rotor model with the particle-hole configuration $\pi h^1_{11/2}\otimes\nu h^{-1}_{11/2}$ and different triaxiality parameter $\gamma$. Both constant and spin-dependent…

Nuclear Theory · Physics 2010-12-28 Q. B. Chen , J. M. Yao , S. Q. Zhang , B. Qi

The effect of nuclear superfluidity on antimagnetic rotation bands in $^{105}$Cd and $^{106}$Cd are investigated by the cranked shell model with the pairing correlations and the blocking effects treated by a particle-number conserving…

Nuclear Theory · Physics 2013-05-17 Zhen-Hua Zhang , Peng-Wei Zhao , Jie Meng , Jin-Yan Zeng , En-Guang Zhao , Shan-Gui Zhou

The extended coherent state model is further extended in order to describe two dipole bands of different parities. The formalism provides a consistent description of eight rotational bands. A unified description for spherical, transitional…

Nuclear Theory · Physics 2009-11-11 A. A. Raduta , Al. H. Raduta , C. M. Raduta

The high spin states in 61 Ni have been studied using the fusion evaporation reaction, Ti( $^{14}$C,3n) $^{61}$Ni at an incident beam energy of 40 MeV. A Compton suppressed multi-HPGe detector setup, consisting of six Clover detectors and…

Background: The $K^\pi=2^-$ excited band emerges systematically in $N=150$ isotones raging from Pu to No with even-$Z$ numbers, and a sharp drop in energies was observed in Cf. Purpose: I attempt to uncover the microscopic mechanism for the…

Nuclear Theory · Physics 2021-08-13 Kenichi Yoshida

The ground-state bands (GSBs) in the even-even hafnium isotopes $^{170-184}$Hf are investigated by using the cranked shell model (CSM) with pairing correlations treated by the particle-number conserving (PNC) method. The experimental…

Nuclear Theory · Physics 2020-08-05 Xiao-Tao He , Yang Cao , Xiao-Ling Gan

Effects of resonant single-particle (s.p.) states on the pairing correlations are investigated by an exact treatment of the pairing Hamiltonian on the Gamow shell model basis. We introduce the s.p. states with complex energies into the…

Nuclear Theory · Physics 2009-11-10 Munetake Hasegawa , Kazunari Kaneko