Quantitative conditions for the formation of <EM>p</EM>-wave neutron halos

GUO Yan-Qing; SONG Jie

doi:10.1088/1674-1137/35/2/010

Chinese Physics C> 2011, Vol. 35> Issue(2) : 158-162 DOI: 10.1088/1674-1137/35/2/010

Quantitative conditions for the formation of p-wave neutron halos

GUO Yan-Qing ,
SONG Jie

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Abstract：
With the experimental binding energies and configurations, the root-mean-square radii of p-wave valence neutron distributions for nuclei up to the second p-shell have been calculated in the framework of the single-particle potential model. By analyzing the relations between the radii and the binding energies, the scaling laws of p-wave valence neutron distributions are obtained. The quantitative conditions for the formation of p-wave neutron halos are deduced from these scaling laws. Based on the investigation on the probability of finding the valence nucleon outside the range of the interaction potential, a 2p_3/2 halo state in ⁴⁷S is anticipated for the first time. These obtained results might provide reference for searching for p-wave neutron halos in nuclei up to the second p-shell.

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[1]

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GUO Yan-Qing and SONG Jie. Quantitative conditions for the formation of p-wave neutron halos[J]. Chinese Physics C, 2011, 35(2): 158-162. doi: 10.1088/1674-1137/35/2/010

GUO Yan-Qing and SONG Jie. Quantitative conditions for the formation of p-wave neutron halos[J]. Chinese Physics C, 2011, 35(2): 158-162. doi: 10.1088/1674-1137/35/2/010 shu

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Received: 2010-05-02
Revised: 2010-07-13

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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

Quantitative conditions for the formation of p-wave neutron halos

Received Date: 2010-05-02

Accepted Date: 2010-07-13

Available Online: 2011-02-05

Abstract: With the experimental binding energies and configurations, the root-mean-square radii of p-wave valence neutron distributions for nuclei up to the second p-shell have been calculated in the framework of the single-particle potential model. By analyzing the relations between the radii and the binding energies, the scaling laws of p-wave valence neutron distributions are obtained. The quantitative conditions for the formation of p-wave neutron halos are deduced from these scaling laws. Based on the investigation on the probability of finding the valence nucleon outside the range of the interaction potential, a 2p_3/2 halo state in ⁴⁷S is anticipated for the first time. These obtained results might provide reference for searching for p-wave neutron halos in nuclei up to the second p-shell.

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