Study of Halo for the Ground State and Proton Widths for the First Two Excited States of <SUP>27</SUP>P

GUO Bing; LI Zhi-Hong; LIU Wei-Ping; BAI Xi-Xiang

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 183-185

Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P

China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
The neutron asymptotic normalization coefficients (ANCs) for the virtual decay ²⁷Mg→²⁶Mg+n are determined from the angular distributions of the ²⁶Mg(d,p)²⁷Mg reaction leading to the ground, first and second excited states of ²⁷Mg respectively, based on distorted wave Born approximation analysis (DWBA). According to charge symmetry of mirror nuclei, we extract the proton ANC and spectroscopic factor for ²⁷P ground state and the proton widths of the first and second excited states of ²⁷P. The rms radius of valence proton is then derived. Our result indicates that the ²⁷P ground state has a proton halo structure.

References

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GUO Bing, LI Zhi-Hong, LIU Wei-Ping and BAI Xi-Xiang. Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P[J]. Chinese Physics C, 2006, 30(S2): 183-185.

GUO Bing, LI Zhi-Hong, LIU Wei-Ping and BAI Xi-Xiang. Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P[J]. Chinese Physics C, 2006, 30(S2): 183-185. shu

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Received: 2006-10-18
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P

Corresponding author: GUO Bing,

China Institute of Atomic Energy, Beijing 102413, China

Received Date: 2006-10-18

Accepted Date: 1900-01-01

Available Online: 2006-01-03

Abstract: The neutron asymptotic normalization coefficients (ANCs) for the virtual decay ²⁷Mg→²⁶Mg+n are determined from the angular distributions of the ²⁶Mg(d,p)²⁷Mg reaction leading to the ground, first and second excited states of ²⁷Mg respectively, based on distorted wave Born approximation analysis (DWBA). According to charge symmetry of mirror nuclei, we extract the proton ANC and spectroscopic factor for ²⁷P ground state and the proton widths of the first and second excited states of ²⁷P. The rms radius of valence proton is then derived. Our result indicates that the ²⁷P ground state has a proton halo structure.

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Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P

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Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P

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Study of Halo for the Ground State and Proton Widths for the First Two Excited States of 27P

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通讯作者: 陈斌, bchen63@163.com

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Study of Halo for the Ground State and Proton Widths for the First Two Excited States of 27P

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Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P

Study of Halo for the Ground State and Proton Widths for the First Two Excited States of ²⁷P