THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI Ⅱ. ANALYSIS OF THE GROUND BAND

WU Chong-Shi; ZENG Jin-Yan

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2024年10月30日

Chinese Physics C> 1984, Vol. 8> Issue(4) : 445-452

THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI Ⅱ. ANALYSIS OF THE GROUND BAND

WU Chong-Shi ^, ,
ZENG Jin-Yan

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Abstract：
The vibrational-rotational band structure of the collective excitation spectrum in even-even deformed nucleus was established in previous paper. In this formulation the expression of the ground band spectrum can be written approximately in a closed form of two parameters. Using this new expression the ground bands of several typical even-even deformed nuclei are analyzed systematically. The calculation is in a agreement with the experiment. The variation of the nuclear deformation with the angular momentum is discussed in some detail.

References

[1]

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[2]	YUAN Chang-Zheng . Hadron Spectroscopy and Charmonium Decays from BES and CLEOc. Chinese Physics C, 2006, 30(6): 488-496.
[3]	YU Lei , LIU Shu-Xin , LEI Yi-An , ZENG Jin-Yan . Underlying Physics of Identical Odd-and Even-Mass Bands in Normally Deformed Rare-Earth Nuclei. Chinese Physics C, 2001, 25(6): 526-532.
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[5]	ZHANG JinFu , PAK JaeYon , LIU FengYing . Low-Lying Spectra and E2 Transition Rates in Even-even Ce Isotopes in the Interacting Boson Model. Chinese Physics C, 2000, 24(11): 1066-1072.
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[8]	Shao Jianjun . Study of the Energy Spectrum of Cadmium Even Isotopes and the Exciting Properties of Valence Proton Hole. Chinese Physics C, 1994, 18(10): 943-948.
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[12]	WANG Zhen.WU Hua-Chuan , . A MICROSCOPIC STUDY OF THE E₄ PROPERTY OF DEFORMED EVEN-EVEN NUCLEI IN THE RARE EARTH REGION. Chinese Physics C, 1990, 14(7): 654-660.
[13]	ZHANG Jing-Ye , ZHONG Ji-Quan , LIAO Bi-Cheng . ON THE EDFORMATION OF THE EVEN-EVEN RARE-EARTH NUCLEI. Chinese Physics C, 1988, 12(5): 665-668.
[14]	WU Hua-Chuan . AN UNIFIED DESCRIPTION OF THE α-CLUSTERING AND COLLECTIVE EXCITATIONS IN HEAVY EVEN-EVEN NUCLEI. Chinese Physics C, 1986, 10(5): 605-612.
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[16]	WU Chong-Shi , ZENG Jin-Yan . THE COLLECTIVE EXCITATION SPECTRA OF EVEN-EVEM DEFORMED NUCLEI. Chinese Physics C, 1985, 9(2): 214-219.
[17]	LIAO Ji-Zhi , PU Xian-An . A NEW EXPRESSION FOR THE ROTATIONAL BANDS OF AN EVEN-EVEN NUCLEUS. Chinese Physics C, 1984, 8(4): 486-490.
[18]	WU Chong-Shi , ZENG Jin-Yan . THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI (Ⅰ) THEORETICAL FORMULATION. Chinese Physics C, 1984, 8(2): 219-226.
[19]	WANG ZHENG-DA , ZHENG MAN-JIAO . A SIMPLE METHOD OF CALCULATING MOMENT OF INERTIA AT GROUND STATES OF EVEN-EVEN NUCLEI. Chinese Physics C, 1981, 5(6): 765-768.
[20]	CHANG JING-YE . ON THE MECHANISM OF BACKBENDING PHENOMENA OF SOME EVEN-EVEN NUCLEI II. Chinese Physics C, 1978, 2(6): 558-561.

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WU Chong-Shi and ZENG Jin-Yan. THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI Ⅱ. ANALYSIS OF THE GROUND BAND[J]. Chinese Physics C, 1984, 8(4): 445-452.

WU Chong-Shi and ZENG Jin-Yan. THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI Ⅱ. ANALYSIS OF THE GROUND BAND[J]. Chinese Physics C, 1984, 8(4): 445-452. 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

THE COLLECTIVE EXCITATION SPECTRA IN EVEN-EVEN DEFORMED NUCLEI Ⅱ. ANALYSIS OF THE GROUND BAND

WU Chong-Shi ^,
ZENG Jin-Yan

Corresponding author: WU Chong-Shi,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1984-06-05

Abstract:

The vibrational-rotational band structure of the collective excitation spectrum in even-even deformed nucleus was established in previous paper. In this formulation the expression of the ground band spectrum can be written approximately in a closed form of two parameters. Using this new expression the ground bands of several typical even-even deformed nuclei are analyzed systematically. The calculation is in a agreement with the experiment. The variation of the nuclear deformation with the angular momentum is discussed in some detail.