Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model

ZHANG JinFu; PAK JaeYon; LIU FengYing

Chinese Physics C> 2000, Vol. 24> Issue(11) : 1066-1072

Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model

Department of Physics, Tsinghua University, Beijing 100084, China2 Department of Nuclear Power, KimIlSong University, Pyongy Yang DPRKorea3 Department of physics, Chifeng Teacher's College for Nationalities, Chifeng 024001, China

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The positive parity collective states in the even-even ^128—150Ce isotopes are studial in the framework of the interacting boson model. A schematic Hamiltonian able to describe their spectra and transition is used. It is found that both the light and heavy even Ce isotopes are in the transition from the vibrational limit to the rotational limit. From 146Ce onward, the isotopes are nearly perfect rotors.

References

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ZHANG JinFu, PAK JaeYon and LIU FengYing. Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model[J]. Chinese Physics C, 2000, 24(11): 1066-1072.

ZHANG JinFu, PAK JaeYon and LIU FengYing. Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model[J]. Chinese Physics C, 2000, 24(11): 1066-1072. shu

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Received: 2000-04-17
Revised: 1900-01-01

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通讯作者: 陈斌, [email protected]

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沈阳化工大学材料科学与工程学院沈阳 110142

Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model

Corresponding author: ZHANG JinFu,

Department of Physics, Tsinghua University, Beijing 100084, China2 Department of Nuclear Power, KimIlSong University, Pyongy Yang DPRKorea3 Department of physics, Chifeng Teacher's College for Nationalities, Chifeng 024001, China

Received Date: 2000-04-17

Accepted Date: 1900-01-01

Available Online: 2000-11-05

Abstract: The positive parity collective states in the even-even ^128—150Ce isotopes are studial in the framework of the interacting boson model. A schematic Hamiltonian able to describe their spectra and transition is used. It is found that both the light and heavy even Ce isotopes are in the transition from the vibrational limit to the rotational limit. From 146Ce onward, the isotopes are nearly perfect rotors.

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Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model

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