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相关论文: $(h_{11/2})^2$ alignments in neutron-rich $^{132}$…

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Rotational properties of [523]5/2 (h11/2) and [642]5/2 (i13/2) signature partner bands in 169Hf are investigated using the Total Routhian Surface (TRS) method. Experimental data show a distinct signature inversion in the [523]5/2 band at…

核理论 · 物理学 2026-03-25 Rong-Xin Nie , Xue-Hui Ai , Xin Guan , Jie Yang

The $^{66}$Ge and $^{68}$Ge nuclei are studied by means of the shell model with the extended $P+QQ$ Hamiltonian, which succeeds in reproducing experimentally observed energy levels, moments of inertia and other properties. The investigation…

核理论 · 物理学 2009-11-10 M. Hasegawa , K. Kaneko , T. Mizusaki

The linear-chain states of $^{16}$C and their decay modes are theoretically investigated by using the antisymmetrized molecular dynamics. It is found that the positive-parity linear-chain states have the $(3/2^-_\pi)^2(1/2^-_\sigma)^2$…

核理论 · 物理学 2018-05-23 Tomoyuki Baba , Masaaki Kimura

Several new bands have been identified in 130Ba, among which there is one with band-head spin 8+. Its properties are in agreement with the Fermi-aligned \nu h11/2^2 , 7/2+[523] \otimes 9/2-[514] Nilsson configuration. This is the first…

A measurement of proton inelastic scattering of $^8$He at $8.25A$~MeV at TRIUMF shows a resonance at 3.54(6)~MeV with a width of 0.89(11)~MeV. The energy of the state is in good agreement with coupled cluster and no-core shell model with…

An inelastic excitation and cluster-decay experiment $\rm {^2H}(^{16}C,~{^{4}He}+{^{12}Be}~or~{^{6}He}+{^{10}Be}){^2H}$ was carried out to investigate the linear-chain clustering structure in neutron-rich $\rm {^{16}C}$. For the first time,…

The positive parity doublet bands based on the $\pi h_{11/2}\otimes\nu h_{11/2}$ configuration in $^{126}$Cs have been investigated in the two quasi-particles coupled with a triaxial rotor model. The energy spectra $E(I)$, energy staggering…

核理论 · 物理学 2008-11-26 S. Y. Wang , S. Q. Zhang , B. Qi , J. Meng

For natural parity states of several odd-A nuclei a comparison of shell model calculations in the full pf configuration space with the Nilsson diagram and particle-rotor predictions shows that prolate strong coupling applies at low…

核理论 · 物理学 2011-07-19 F. Brandolini , C. A. Ur

The experimental features of positive-parity doublet bands in the odd-\emph{A} cesium isotopes $^{125,127,129,131}$Cs, including angular momentum alignment, energy staggering, $B(M1)/B(E2)$ etc. are studied systematically and compared to…

核理论 · 物理学 2019-10-11 Rui Guo , Wu-Ji Sun , Jian Li , Dong Yang , Yonghao Liu , Chengkun Ru , Jihuai Chi

We have investigated the negative-parity states and electromagnetic transitions in $^{151,153}$Ho and $^{151,153}$Dy within the framework of the interacting boson fermion model 2 (IBFM-2). Spin assignments for some states with uncertain…

核理论 · 物理学 2008-11-26 Falih H. Al-Khudair , Gui Lu Long , Yang Sun

By taking the particle triaxial-rotor model with variable moment of inertia, we investigate the energy spectra, the deformations and the single particle configurations of the nuclei $^{183,185,187}$Tl systemically. The calculated energy…

核理论 · 物理学 2014-11-18 Guo-Jie Chen , Yu-xin Liu , Hui-chao Song , Hui Cao

The excited states of $^{13}$B were studied with a method of antisymmetrized molecular dynamics(AMD). The theoretical results suggest that the intruder states with large deformations construct the rotational bands, $K^\pi=3/2^-$ and…

核理论 · 物理学 2007-06-26 Yoshiko Kanada-En'yo , Yusuke Kawanami , Yasutaka Taniguchi , Masaaki Kimura

The lightest superdeformed nuclei of the mass-60 region are described using the Projected Shell Model. In contrast to the heaviest superdeformed nuclei where a coherent motion of nucleons often dominates the physics, it is found that…

核理论 · 物理学 2009-10-31 Yang Sun , Jing-ye Zhang , Mike Guidry , Cheng-Li Wu

Inspired by the newly observed $\Omega(2012)$ state at Belle II, we investigate the two-body strong decays of $\Omega$ baryons up to $N=2$ shell within the chiral quark model. Our results indicate that: (i) the newly observed $\Omega(2012)$…

高能物理 - 唯象学 · 物理学 2018-08-08 Li-Ye Xiao , Xian-Hui Zhong

The high spin states in $^{195}$Bi has been studied by $\gamma$-ray spectroscopic method using the $^{181}$Ta($^{20}$Ne, 6n) fusion evaporation reaction at 130 MeV. The $\gamma\gamma$ coincidence data were taken using an array of 8 clover…

Large-scale shell model calculations were performed for neutron-rich even-even $^{132-136}$Te using a realistic effective interaction derived from CD-Bonn nucleon-nucleon potential for the positive and negative parity states. The calculated…

核理论 · 物理学 2007-05-23 F. A. Majeed

A shell-model study of proton-neutron pairing in $2p1f$ shell nuclei using a parametrized hamiltonian that includes deformation and spin-orbit effects as well as isoscalar and isovector pairing is reported. By working in a shell-model…

核理论 · 物理学 2015-05-28 Y. Lei , S. Pittel , N. Sandulescu , A. Poves , B. Thakur , Y. M. Zhao

Rotational bands with (neutron h_11/2)^1 (proton h_11/2)^1 configurations are studied using a particle-rotor model in which a proton and a neutron quasiparticles interacting through a zero-range force are coupled with a triaxial rotor. It…

核理论 · 物理学 2009-10-22 N. Tajima

A collective vector-boson model with broken SU(3) symmetry is applied to several deformed even-even nuclei. The model description of ground and $\gamma$ bands together with the corresponding B(E2) transition probabilities is investigated…

核理论 · 物理学 2009-09-25 N. Minkov , S. Drenska , P. Raychev , R. Roussev , Dennis Bonatsos

Experimentally observed heaviest $N \approx Z$ nuclei, Ru isotopes, are investigated by the shell model on a spherical basis with the extended $P+QQ$ Hamiltonian. The energy levels of all the Ru isotopes can be explained by the shell model…

核理论 · 物理学 2009-11-10 M. Hasegawa , K. Kaneko , T. Mizusaki , S. Tazaki
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