Multiple Coulomb excitation experiment of 66Zn

Multiple Coulomb excitation experiment of 66Zn
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66Zn的多次库仑激发实验

DOI：
10.1140/epja/i2003-10063-9
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发表时间：
2003
期刊：
The European Physical Journal A - Hadrons and Nuclei
影响因子：
--
通讯作者：
H. Kusakari
H. Kusakari
中科院分区：
--
文献类型：
--
作者：
M. Koizumi;A. Seki;Y. Toh;M. Oshima;A. Osa;A. Kimura;Y. Hatsukawa;T. Shizuma;T. Hayakawa;M. Matsuda;J. Katakura;T. Czosnyka;M. Sugawara;T. Morikawa;H. Kusakari

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摘要：用66Zn束流轰击铅靶进行了库仑激发实验。用最小二乘搜索程序GOSIA求出了四个E2矩阵元和21+态的四极矩。根据B(E_2)值，基带可以解释为准旋转带。发现21+能级具有正的四极矩，这可以解释为软三轴形变。
Abstract.A Coulomb excitation experiment was carried out with a 66Zn beam bombarding a ${}^{\rm nat}$Pb target. Four E2 matrix elements and the quadrupole moment of the 21+ state were derived with the least-squares search code GOSIA. According to the B(E2) values, the ground band can be interpreted as a quasirotational band. It was found that the 21+ level has a positive quadrupole moment, which may be interpreted as a soft triaxial deformation.