Configuration of the valence neutrons of <SUP>17</SUP>B

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

doi:10.1088/1674-1137/32/7/007

Chinese Physics C> 2008, Vol. 32> Issue(7) : 548-551 DOI: 10.1088/1674-1137/32/7/007

Configuration of the valence neutrons of ¹⁷B

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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 (R_rms) was deduced to be (2.92±0.10)fm, while the R_rms of the core and the valence neutron distribution are 2.28fm and 5.98fm respectively. Assuming a ``core plus 2n'' structure in ¹⁷B, the mixed configuration of (2s_1/2) and (1d_5/2) of the valence neutrons is studied and the
s-wave spectroscopic factor is found to be (80±21)%.

References

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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 and GUO Zhong-Yan. Configuration of the valence neutrons of ¹⁷B[J]. Chinese Physics C, 2008, 32(7): 548-551. doi: 10.1088/1674-1137/32/7/007

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Received: 2007-08-22
Revised: 2007-09-12

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沈阳化工大学材料科学与工程学院沈阳 110142

Configuration of the valence neutrons of ¹⁷B

Corresponding author: WANG Meng,

Received Date: 2007-08-22
Accepted Date: 2007-09-12
Available Online: 2008-07-05

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 (R_rms) was deduced to be (2.92±0.10)fm, while the R_rms of the core and the valence neutron distribution are 2.28fm and 5.98fm respectively. Assuming a ``core plus 2n'' structure in ¹⁷B, the mixed configuration of (2s_1/2) and (1d_5/2) of the valence neutrons is studied and the
s-wave spectroscopic factor is found to be (80±21)%.