Chinese Physics C > 2002, Vol. 26 > Issue(7): 683-689

Measurement of Total Cross Sections of Nuclei Produced by²⁰Ne Bombing at⁹Be Target

Institute of Mondern Physics, The Chinese Academy of Science, Lanzhou 730000, China

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Abstract：
The measurement of total reaction cross section is of great importance in studying the structure and reaction mechanisms of exotic nuclei produced by radioactive nuclear beam (RNB). The measurements of the total reaction cross section of fragments produced by ²⁰Ne (80MeV/u)+ ⁹Be(3mm) on Si target at intermediate energies were performed on RIBLL by using the transmission method which is the most convenient and credible method in use. The setting-up of the telescope detectors is introduced. And the experimental procedure and experimental results are also described. From the results, we can see the trends of the total cross sections with neutron number in each nuclear isotope chain. The results for some exotic nuclei predicted by theories, such as ¹²N, ¹⁷F and ¹⁷Ne, are compared with those of their neighbors. And our results show that ¹²N has an exotic structure, but ¹⁷F and ¹⁷Ne have not.

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LI Jia-Xing, GUO Zhong-Yan, XIAO Guo-Qing, ZHAN Wen-Long, SUN Zhi-Yu, WANG Jian-Song, TIAN Wen-Dong, WANG Meng, CHEN Zhi-Qiang, WANG Wu-Sheng, NING Zhen-Jiang, WANG Jian-Feng and MAO Rui-Shi. Measurement of Total Cross Sections of Nuclei Produced by ²⁰Ne Bombing at ⁹Be Target[J]. Chinese Physics C, 2002, 26(7): 683-689.

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Received: 2001-08-21
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of Total Cross Sections of Nuclei Produced by²⁰Ne Bombing at⁹Be Target

Corresponding author:LI Jia-Xing,

Institute of Mondern Physics, The Chinese Academy of Science, Lanzhou 730000, China

Received Date:2001-08-21

Accepted Date:1900-01-01

Available Online:2002-07-05

Abstract:The measurement of total reaction cross section is of great importance in studying the structure and reaction mechanisms of exotic nuclei produced by radioactive nuclear beam (RNB). The measurements of the total reaction cross section of fragments produced by²⁰Ne (80MeV/u)+⁹Be(3mm) on Si target at intermediate energies were performed on RIBLL by using the transmission method which is the most convenient and credible method in use. The setting-up of the telescope detectors is introduced. And the experimental procedure and experimental results are also described. From the results, we can see the trends of the total cross sections with neutron number in each nuclear isotope chain. The results for some exotic nuclei predicted by theories, such as¹²N,¹⁷F and¹⁷Ne, are compared with those of their neighbors. And our results show that¹²N has an exotic structure, but¹⁷F and¹⁷Ne have not.

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Measurement of Total Cross Sections of Nuclei Produced by²⁰Ne Bombing at⁹Be Target

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