Microscopic descriptions of superdeformed bands with the Gogny force: Configuration mixing calculations in theA∼190 mass region

1999 ◽  
Vol 60 (5) ◽  
Author(s):  
J. Libert ◽  
M. Girod ◽  
J.-P. Delaroche
Keyword(s):  
Mass Region ◽  
Configuration Mixing ◽  
Superdeformed Bands

scholarly journals High-K Isomers in Light Superheavy Nuclei by PNC-CSM method

2018 ◽  
Vol 178 ◽  
pp. 02024
Author(s):  
Xiao-Tao He
Keyword(s):  
Mass Region ◽  
Rotational Frequency ◽  
Superheavy Nuclei ◽  
Particle State ◽  
Microscopic Mechanism ◽  
High K ◽  
Order Deformation ◽  
State Band ◽  
Configuration Mixing ◽  
K Isomers

The high-K isomeric states in light superheavy nuclei around A = 250 mass region are investigated by the Cranked Shell Model (CSM) with pairing treated by a Particle-Number Conserving (PNC) method. With including the higher-order deformation ε6, both of the high–K multi-particle state energies and the rotational bands in 254No and N = 150 isotone are reproduced well. The isomeric state energies and the microscopic mechanism of kinematic moment of inertia variations versus rotational frequency are discussed. The irregularity of the two-neutron Kπ = 8- state band at ħω ≈ 0:17 in 252No is caused by the configuration mixing with the two-proton Kπ = 8- band. .

Decay out of superdeformed bands in theA≊190 mass region

1996 ◽  
Vol 54 (3) ◽  
pp. 1182-1188 ◽  
Author(s):  
R. Krücken ◽  
A. Dewald ◽  
P. von Brentano ◽  
D. Bazzacco ◽  
C. Rossi-Alvarez
Keyword(s):  
Mass Region ◽  
Superdeformed Bands

Phenomenological analysis of ΔI = 4 bifurcation and identical superdeformed bands

2021 ◽  
pp. 2150012
Author(s):  
Anshul Dadwal
Keyword(s):  
Empirical Evidence ◽  
Systematic Study ◽  
Mass Region ◽  
Phenomenological Analysis ◽  
Rotational Energy ◽  
Free Parameters ◽  
Superdeformed Bands ◽  
First Time ◽  
Fluctuation Model

For the first time, a systematic study of identical superdeformed (SD) bands in [Formula: see text] mass region is made, where [Formula: see text] bifurcation is present. Four pairs of identical SD bands viz. [Formula: see text] and [Formula: see text] of [Formula: see text] mass region and [Formula: see text] and [Formula: see text] of [Formula: see text] mass region have been systematically studied. The present systematic study provides the universal description of the identical SD bands in various mass regions. We presented the empirical evidence of a similar structure of identical SD bands in various mass regions. For this purpose, we have used various rotational energy formulae. The free parameters are extracted from four identical SD bands. The [Formula: see text] bifurcation in identical SD bands is calculated from shape fluctuation formulae. For the first time, this shape fluctuation model is employed to calculate the [Formula: see text] bifurcation, making it an alternate powerful tool to study SD bands of various mass regions.

Structure of superdeformed bands in the A ≈ 150 mass region

1989 ◽  
Vol 503 (2) ◽  
pp. 285-330 ◽  
Author(s):  
W. Nazarewicz ◽  
R. Wyss ◽  
A. Johnson
Keyword(s):  
Mass Region ◽  
Superdeformed Bands

Description of Superdeformed Bands of the Isotones $$\boldsymbol{N=113}$$ for Nuclear Mass Region $$\boldsymbol{A\sim 190}$$

2020 ◽  
Vol 83 (6) ◽  
pp. 866-878
Author(s):  
A. M. Khalaf ◽  
M. Kotb ◽  
Asmaa Abdelsalam ◽  
M. D. Okasha ◽  
Saddon T. Ahmad ◽  
...  
Keyword(s):  
Mass Region ◽  
Nuclear Mass ◽  
Superdeformed Bands

Description of Superdeformed Bands of the Nuclei in A ~80 Mass Region

2002 ◽  
Vol 19 (3) ◽  
pp. 315-318 ◽  
Author(s):  
Liu Yu-Xin ◽  
Mu Liang-Zhu ◽  
Wang Jia-Jun
Keyword(s):  
Mass Region ◽  
Superdeformed Bands

scholarly journals Universality of decay-out of superdeformed bands in the 190 mass region

2008 ◽  
Vol 661 (2-3) ◽  
pp. 233-238 ◽  
Author(s):  
D.M. Cardamone ◽  
B.R. Barrett ◽  
C.A. Stafford
Keyword(s):  
Mass Region ◽  
Superdeformed Bands

SYSTEMATIC STUDY OF NUCLEAR SOFTNESS OF SUPERDEFORMED BANDS IN A = 190 MASS REGION

2013 ◽  
Vol 22 (08) ◽  
pp. 1350053 ◽  
Author(s):  
NEHA SHARMA ◽  
H. M. MITTAL
Keyword(s):  
Systematic Study ◽  
Gamma Ray ◽  
Neutron Number ◽  
Mass Region ◽  
Energy Ratio ◽  
Softness Parameter ◽  
Superdeformed Bands ◽  
Parameter Values ◽  
First Time ◽  
Valence Proton

A four parameter formula has been applied to obtain the nuclear softness parameter (σ) for all the superdeformed (SD) bands observed in A = 190 mass region. The nuclear softness parameter values of most of the SD bands are found to be smaller than those of the normal deformed bands, implying more rigidity. The results of this work includes the variation of nuclear softness parameter against the gamma ray energy ratio R(I) = Eγ(I→(I-2))/Eγ((I-2)→(I-4)) of SD bands in A = 190 mass region. The variation of R(I) and the nuclear softness parameter of these SD bands are studied with the product of valence proton and neutron numbers (NpNn). The systematics also includes the variation of σ with the neutron number N. It is also found that the value of softness parameter of signature partner SD bands observed in A = 190 mass region is also the same. We present for the first time the study of softness parameter of SD bands with NpNn scheme.

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