GROUP CHAIN CHECK ON THE PROTON-NEUTRON INTERACTING BOSON MODEL COMPUTER CODE NPBOS

LONG Gui-Lu; SUN Hong-Zhou

Chinese Physics C> 1989, Vol. 13> Issue(9) : 849-855

GROUP CHAIN CHECK ON THE PROTON-NEUTRON INTERACTING BOSON MODEL COMPUTER CODE NPBOS

LONG Gui-Lu ^, ,
SUN Hong-Zhou

Department of Physics,Tsinghua University,Beijing2 Institute of Theoretical Physics,Academia Sinica,Beijing

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Abstract：
In view of the proton boson and neutron boson coupling,all possible dynamical symmetries in the proton-neutron interacting boson model are discussed.The symmetries are found to be in four types,of which some are newly discovered.The commonly used IBM2 computer code NPBOS is checked through group chain method.It is found that most NPBOS calculations are correct,except in cases where Q_π Q_π and Q_v Q_v is included in the Hamiltonian.Using NPBOS,¹⁵⁰Sm and ¹⁵²Sm are studied.

References

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LONG Gui-Lu and SUN Hong-Zhou. GROUP CHAIN CHECK ON THE PROTON-NEUTRON INTERACTING BOSON MODEL COMPUTER CODE NPBOS[J]. Chinese Physics C, 1989, 13(9): 849-855.

LONG Gui-Lu and SUN Hong-Zhou. GROUP CHAIN CHECK ON THE PROTON-NEUTRON INTERACTING BOSON MODEL COMPUTER CODE NPBOS[J]. Chinese Physics C, 1989, 13(9): 849-855. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

GROUP CHAIN CHECK ON THE PROTON-NEUTRON INTERACTING BOSON MODEL COMPUTER CODE NPBOS

LONG Gui-Lu ^,
SUN Hong-Zhou

Corresponding author: LONG Gui-Lu,

Department of Physics,Tsinghua University,Beijing2 Institute of Theoretical Physics,Academia Sinica,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-09-05

Abstract: In view of the proton boson and neutron boson coupling,all possible dynamical symmetries in the proton-neutron interacting boson model are discussed.The symmetries are found to be in four types,of which some are newly discovered.The commonly used IBM2 computer code NPBOS is checked through group chain method.It is found that most NPBOS calculations are correct,except in cases where Q_π Q_π and Q_v Q_v is included in the Hamiltonian.Using NPBOS,¹⁵⁰Sm and ¹⁵²Sm are studied.