Phenomenological Description of High Spin States in Doubly Even Rare Earths

1975 ◽  
Vol 53 (17) ◽  
pp. 1651-1658 ◽  
Author(s):  
C. A. Heras ◽  
S. M. Abecasis
Keyword(s):  
Rare Earth ◽  
High Spin ◽  
Rare Earths ◽  
Energy Levels ◽  
Specific Model ◽  
Global Structure ◽  
Phenomenological Description ◽  
Spin States ◽  
High Spin States ◽  
Rare Earth Nuclei

Without recourse to a specific model, assuming only that the global structure of spectra is rotational, a good fit of energy levels in doubly even rare earth nuclei is achieved, including the so-called backbending at high spins.

Calibration of the transient magnetic field for rare-earth nuclei in iron: Application to g-factors of high spin states in 152, 154Sm

1982 ◽  
Vol 383 (3) ◽  
pp. 509-529 ◽  
Author(s):  
H.R. Andrews ◽  
O. Häusser ◽  
D. Ward ◽  
P. Taras ◽  
R. Nicole ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Rare Earth ◽  
High Spin ◽  
Spin States ◽  
Transient Magnetic Field ◽  
High Spin States ◽  
Rare Earth Nuclei ◽  
G Factors

HIGH SPIN STATES IN 184Pt AND 172W NUCLIDES AND CORE EXCITATION IN IBA CALCULATION

1987 ◽  
Vol 02 (10) ◽  
pp. 715-719
Author(s):  
S. T. HSIEH ◽  
M. M. KING YEN
Keyword(s):  
High Spin ◽  
Energy Levels ◽  
Structure Change ◽  
Interacting Boson Model ◽  
Spin States ◽  
Quadrupole Moments ◽  
Core Excitation ◽  
High Spin States ◽  
The Core ◽  
Boson Model

The core-excited interacting boson model up to two boson excitation is applied to 184 Pt and 172 W nuclides. In addition to energy levels (backbending), the calculated transition quadrupole moments of 172 W also reproduces the experimentally observed behavior, namely, a reduction at high spin. Incidentally a structure change between the lighter and the heavier Pt isotopes manifests itself in the study.

scholarly journals Energy levels and radiative transitions of the core-excited high-spin states in boron atom (ion)

2017 ◽  
Vol 66 (12) ◽  
pp. 123101
Author(s):  
Qian Xin-Yu ◽  
Sun Yan ◽  
Liu Dong-Dong ◽  
Hu Feng ◽  
Fan Qiu-Bo ◽  
...  
Keyword(s):  
Boron Atom ◽  
High Spin ◽  
Energy Levels ◽  
Spin States ◽  
High Spin States ◽  
The Core ◽  
Radiative Transitions

Study of high spin states in 149Tb observed by the (10B,3n) reaction

1979 ◽  
Vol 57 (11) ◽  
pp. 1959-1968 ◽  
Author(s):  
N. C. Singhal ◽  
M. W. Johns ◽  
J. V. Thompson
Keyword(s):  
High Spin ◽  
Energy Levels ◽  
Negative Parity ◽  
Positive Parity ◽  
Angular Distributions ◽  
Spin States ◽  
Core Nucleus ◽  
High Spin States ◽  
Parity Band ◽  
Positive Parity Band

Energy levels in 149Tb have been studied by the 142Nd (10B,3n) reaction using 54 MeV 10B beams from the McMaster University FN accelerator. Excitation functions, angular distributions, prompt γ–γ coincidence, electron conversion, and linear polarization measurements were obtained. On the basis of these measurements we have identified two rotaition-aligned πh11/2 bands, a negative parity band up to spin 27/2−, and a positive parity band up to spin 27/2+. The energy spacings between levels in these bands strongly resemble those in the ground state and the 3− octupole band of the adjacent 148Gd core nucleus. Other high spin positive parity states up to spin of 41/2 are also observed. These high spin states show some evidence of rotational structure in 14 9Tb.

Sign in / Sign up

Export Citation Format

Share Document