Study of Neutron Skin/Halo Structures Utilizing the Asymmetry in Nucleon Scatterings

利用核子散射不对称性研究中子皮/晕结构

• 批准号: 18540272
• 负责人: FUKUDA Mitsunori
• 金额: $ 2.47万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2006
• 资助国家: 日本
• 起止时间: 2006 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18540272/
• 关键词: Nucleon Density Distribution; Neutron Skin; Neutron Halo; Proton Halo; 原子核構造

From a systematic and precise measurement of reaction cross sections (σ_R), it has been revealed that σ_R at intermediate energies can be reproduced very well by an optical-limit Glauber calculation modified to include the multiple scattering and the Fermi-motion efficts. Based on this successful method to calculate σ_R, we tried to study the nuclear surface structure utilizing the high sensitivity of σ_R at these energies to dilute densities and also the asymmetry of nucleon scatterings. First, using 3H and 3He beams, precise σ_R data on heavy targets have been obtained to investigate the neutron skin Next, using polyethylene proton targets, the constituent (proton or neutron) of halo has been studied. As a result, comparing the present experimental data with the modified optical-limit calculations, the constituents of the halos in ^8B and ^<11>Be have been clearly shown., which shed a light on a way to understand the nuclear surface structure in detail.

通过光学限制的Glauber计算非常好的散射和Fermi-Motion效应，基于这种成功的方法，可以通过光学限制的Glauber计算来很好地测量反应切片（σ_R）。首先，使用3H和3HE梁，接下来已经获得了对中子皮肤的重量σ_R数据，使用halo的聚乙烯质子靶标（质子或中子）进行了比较。计算 ^8b和 ^<11>已清楚地显示。

项目成果

Reaction cross sections at intermediate energies and Fermi-motion effect

• DOI: 10.1103/physrevc.79.061601
• 发表时间: 2009-06
• 期刊: Physical Review C
• 影响因子: 3.1
• 作者: M. Takechi;M. Fukuda;M. Mihara;K. Tanaka;T. Chinda;T. Matsumasa;M. Nishimoto;R. Matsumiya;Y. Nakashima;H. Matsubara;K. Matsuta;T. Minamisono;T. Ohtsubo;T. Izumikawa;S. Momota;Toshio Suzuki;Takayuki Yamaguchi;R. Koyama;W. Shinozaki;M. Takahashi;A. Takizawa;T. Matsuyama;S. Nakajima;Kunihiko Kobayashi;M. Hosoi;T. Suda;M. Sasaki;S. Sato;M. Kanazawa;A. Kitagawa

中間エネルギー領域における反応断面積エネルギー依存性の解明と^6Heのハロー構造

阐明中间能区反应截面的能量依赖性和^6He的晕结构

• 期刊: 原子核研究 (in press)
• 作者: M.Takechi;et al.;武智 麻耶
• 通讯作者: 武智 麻耶

New Study of Reaction Cross Sections and the Nucleon Density Distributions

反应截面和核子密度分布的新研究

• 期刊: Proc. of Tours Symposium 2006, Tours, France (in press)
• 作者: M.Takechi;et al.;武智 麻耶;M.Fukuda et al.
• 通讯作者: M.Fukuda et al.

Distinction between Proton-/Neutron-Density Distributions of Halo Nuclei at the Nuclear Surface

核表面晕核质子/中子密度分布的区别

• 发表时间: 2009
• 作者: M.Takechi;et al.;武智 麻耶;M.Fukuda et al.;M.Takechi et al.;M.Fukuda;M.Fukuda;M.Fukuda;M.Takechi;D.Nishimura
• 通讯作者: D.Nishimura

Study of the Neutron Halo and Skin Structure of 6 He and 8 He

6 He和8 He中子晕和表皮结构的研究

• 发表时间: 2007
• 作者: M.Takechi;et al.;武智 麻耶;M.Fukuda et al.;M.Takechi et al.;M.Fukuda;M.Fukuda;M.Fukuda;M.Takechi;D.Nishimura;M.Takechi;D.Nishimura;M.Fukuda;M.Takechi;D.Nishimura;M.Fukuda;M.Takechi;吉竹利織;西村太樹;武智麻耶;橋爪祐平;M.Yoshitake;D.Nishimura;M.Takechi;Y.Hashizume;M.Fukuda;M.Fukuda;M. Fukuda;M.Fukuda;M.Fukuda;M. Fukuda;西村太樹;石川大貴;D.Nishimura;D.Ishikawa;武智麻耶;武智麻耶;M.Fukuda;M.Takechi;M.Fukuda;M. Takechi;M. Fukuda;K.Tanaka;M.Fukuda;M.Takechi
• 通讯作者: M.Takechi