Symmetry-conserving higher-order interaction terms in the interacting boson model

1985 ◽  
Vol 32 (3) ◽  
pp. 1049-1056 ◽  
Author(s):  
G. Vanden Berghe ◽  
H. E. De Meyer ◽  
P. Van Isacker
Keyword(s):  
Higher Order ◽  
Interacting Boson Model ◽  
Order Interaction ◽  
Interaction Terms ◽  
Boson Model

Symmetry-preserving higher-order terms in the O(6) limit of the interacting boson model

1988 ◽  
Vol 38 (1) ◽  
pp. 414-418 ◽  
Author(s):  
J. Vanthournout ◽  
H. De Meyer ◽  
G. Vanden Berghe
Keyword(s):  
Higher Order ◽  
Interacting Boson Model ◽  
Higher Order Terms ◽  
Boson Model

Higher order interaction terms in coupled Fe/Cr/Fe sandwich structures

1992 ◽  
Vol 103 (3) ◽  
pp. 236-244 ◽  
Author(s):  
U. Köbler ◽  
K. Wagner ◽  
R. Wiechers ◽  
A. Fuß ◽  
W. Zinn
Keyword(s):  
Sandwich Structures ◽  
Higher Order ◽  
Order Interaction ◽  
Interaction Terms

Energy Levels and Electromagnetic Transition of 90-94mo Nuclei Using Ibm-1

2020 ◽  
pp. 149-152
Keyword(s):  
Experimental Data ◽  
Transition Probability ◽  
Energy Levels ◽  
Dynamical Symmetry ◽  
Interacting Boson Model ◽  
Excitation Energies ◽  
Electromagnetic Transition ◽  
Boson Model ◽  
Energy States ◽  
Good Agreement

The energy states for the J , b , ɤ bands and electromagnetic transitions B (E2) values for even – even molybdenum 90 – 94 Mo nuclei are calculated in the present work of "the interacting boson model (IBM-1)" . The parameters of the equation of IBM-1 Hamiltonian are determined which yield the best excellent suit the experimental energy states . The positive parity of energy states are obtained by using IBS1. for program for even 90 – 94 Mo isotopes with bosons number 5 , 4 and 5 respectively. The" reduced transition probability B(E2)" of these neuclei are calculated and compared with the experimental data . The ratio of the excitation energies of the 41+ to 21+ states ( R4/2) are also calculated . The calculated and experimental (R4/2) values showed that the 90 – 94 Mo nuclei have the vibrational dynamical symmetry U(5). Good agreement was found from comparison between the calculated energy states and electric quadruple probabilities B(E2) transition of the 90–94Mo isotopes with the experimental data .

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