Chin. Phys. Lett.  2005, Vol. 22 Issue (8): 1870-1872    DOI:
Original Articles |
Radius of 9C from the Asymptotic Normalization Coefficient
LI Zhi-Hong;GUO Bing;LIU Wei-Ping;BAI Xi-Xiang;LIAN Gang;SU Jun;YAN Sheng-Quan;WANG Bao-Xiang;ZENG Sheng
China Institute of Atomic Energy, PO Box 275(46), Beijing 102413
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LI Zhi-Hong, GUO Bing, LIU Wei-Ping et al  2005 Chin. Phys. Lett. 22 1870-1872
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Abstract The asymptotic normalization coefficient (ANC) of 9C = 8B+p deduced from 8Li(d,p)9Li reaction is used to obtain the root-mean-square (rms) radius of the loosely bound proton in the 9C ground state. We obtain (r2)1/2 = 3.61fm for the valence proton, which is significantly larger than the matter radius of 9C. The probability of the valence proton outside the matter radius of 9C is greater than 60%. The present work supports the conclusion that 9C has a proton halo structure.

Keywords: 21.10.Gv      21.10.Dr      24.10.-i      27.20.+n     
Published: 01 August 2005
PACS:  21.10.Gv (Nucleon distributions and halo features)  
  21.10.Dr (Binding energies and masses)  
  24.10.-i (Nuclear reaction models and methods)  
  27.20.+n (6 ≤ A ≤ 19)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I8/01870
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LI Zhi-Hong
GUO Bing
LIU Wei-Ping
BAI Xi-Xiang
LIAN Gang
SU Jun
YAN Sheng-Quan
WANG Bao-Xiang
ZENG Sheng
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