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Parallel Momentum Distribution of 28Si Fragments from 29P |
WEI Yi-Bin1,2;MA Yu-Gang1;CAI Xiang-Zhou1;ZHONG Chen1;CHEN Jin-Gen1;ZHANG Hu-Yong1;FANG De-Qing1;WANG Kun1;MA Guo-Liang1;GUO Wei1;TIAN Wen-Dong1;SHEN Wen-Qing;ZHAN Wen-Long3;XIAO Guo-Qing3;XU Hu-Shan;SUN Zhi-Yu3;Li Jia-Xing3;GUO Zhong-Yan3;WANG Meng3;CHEN Zhi-Qiang3;HU Zheng-Guo3;CHEN Li-Xin3;LI Chen3;MAO Rui-Shi3;BAI Jie3 |
1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 2018000
2Graduate School of the Chinese Academy of Sciences, Beijing 100039
3Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou730000 |
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Cite this article: |
WEI Yi-Bin, MA Yu-Gang, CAI Xiang-Zhou et al 2005 Chin. Phys. Lett. 22 61-64 |
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Abstract Distribution of the parallel momentum of 28Si fragments from the breakup of 30.7MeV/nucleon 29P has been measured on C targets. The distribution has the FWHM with the value of 110.5±23.5MeV/c, which is quantitatively consistent with the Galuber model calculation assuming by a valence proton in 29P. The density distribution is also predicted by the Skyrme--Hartree--Fock calculation. The results show that the proton-skin structure may exist in 29P.
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Keywords:
25.60.Gc
23.20.En
27.30.+t
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Published: 01 January 2005
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PACS: |
25.60.Gc
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(Breakup and momentum distributions)
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23.20.En
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(Angular distribution and correlation measurements)
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27.30.+t
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(20 ≤ A ≤ 38)
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