Asymptotic Normalization Coefficient of 27 P → 26 Si + p and Radius of 27 P Halo
GUO Bing, LI Zhi-Hong, LIU Wei-Ping, BAI Xi-Xiang
China Institute of Atomic Energy, PO Box 275(46), Beijing 102413
Asymptotic Normalization Coefficient of 27 P → 26 Si + p and Radius of 27 P Halo
GUO Bing;LI Zhi-Hong;LIU Wei-Ping;BAI Xi-Xiang
China Institute of Atomic Energy, PO Box 275(46), Beijing 102413
关键词 ：
21.10.Gv ,
21.10.Dr ,
24.10.-i ,
27.20.+n
Abstract ： The asymptotic normalization coefficient of the virtual decay 27 P → 26 Si + p is extracted to be 1840±240fm-1 from the peripheral 26 Mg(d,p)27 Mg reaction using charge symmetry of mirror pair, for the first time. It is then used to derive the rms radius of the valence proton in the ground state of 27 P. We obtain the rms radius 2>1/2 = 4.57 ± 0.36fm, significantly larger than the matter radius of 27 P. The probability of the valence proton outside the matter radius of 27 P is found to be 73%. The present work supports the conclusion that the 27 P ground state has a proton halo structure.
Key words ：
21.10.Gv
21.10.Dr
24.10.-i
27.20.+n
出版日期: 2006-01-01
:
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)
引用本文:
GUO Bing;LI Zhi-Hong;LIU Wei-Ping;BAI Xi-Xiang. Asymptotic Normalization Coefficient of 27 P → 26 Si + p and Radius of 27 P Halo[J]. 中国物理快报, 2006, 23(1): 52-54.
27 P → 26 Si + p and Radius of 27 P Halo. Chin. Phys. Lett., 2006, 23(1): 52-54.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I1/52
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