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Configuration of the valence neutrons of 17B |
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| Authors: | WANG Meng HU Zheng-Guo XU Hu-Shan SUN Zhi-Yu WANG Jian-Song XIAO Guo-Qing ZHAN Wen-Long ZHANG Xue-Ying LI Chen MAO Rui-Shi ZHANG Hong-Bin ZHAO Tie-Cheng XU Zhi-Guo WANG Yue CHEN Ruo-Fu HUANG Tian-Heng GAO Hui JIA Fei FU Fen GAO Qi HAN Jian-Long ZHANG Xue-Heng ZHENG Chuan YU Yu-Hong FAN Rui-Rui LI Bo GUO Zhong-Yan |
| Abstract: | The reaction cross section of 17B on 12C target at (43.7±2.4) MeV/u has been measured at the Radioactive Ion Beam Line in Lanzhou (RIBLL). The root-mean-square matter radius (Rrms) was deduced to be (2.92±0.10) fm, while the Rrms of the core and the valence neutron distribution are 2.28 fm and 5.98 fm respectively. Assuming a "core plus 2n" structure in 17B, the mixed configuration of (2s1/2) and (1d5/2) of the valence neutrons is studied and the s-wave spectroscopic factor is found to be (80±21)%. |
| Keywords: | valence neutron root-mean-square radius s-wave spectroscopic factor valence spectroscopic factor mixed configuration structure plus core neutron distribution matter radius RIBLL Radioactive Ion Beam Line Lanzhou reaction cross section target |
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