Swelling of Doubly Magic Ca-48 Core in Ca Isotopes beyond N=28
文献类型：期刊论文
| 作者 | Tanaka, M.1,2; Takechi, M.3; Homma, M.3; Fukuda, M.1; Nishimura, D.4; Suzuki, T.5; Tanaka, Y.1; Moriguchi, T.6; Ahn, D. S.7; Aimaganbetov, A.8,9 |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2020-03-13 |
| 卷号 | 124期号:10页码:6 |
| ISSN号 | 0031-9007 |
| DOI | 10.1103/PhysRevLett.124.102501 |
| 通讯作者 | Tanaka, M.(masaomi@phys.kyushu-u.ac.jp) |
| 英文摘要 | Interaction cross sections for Ca42-51 on a carbon target at 280 MeV/nucleon have been measured for the first time. The neutron number dependence of derived root-mean-square matter radii shows a significant increase beyond the neutron magic number N = 28. Furthermore, this enhancement of matter radii is much larger than that of the previously measured charge radii, indicating a novel growth in neutron skin thickness. A simple examination based on the Fermi-type distribution, and mean field calculations point out that this anomalous enhancement of the nuclear size beyond N = 28 results from an enlargement of the core by a sudden increase in the surface diffuseness of the neutron density distribution, which implies the swelling of the bare Ca-48 core in Ca isotopes beyond N = 28. |
| WOS关键词 | INTERACTION CROSS-SECTIONS ; INELASTIC-SCATTERING ; ELASTIC-SCATTERING ; CHARGE RADII ; GEV PROTONS ; NEUTRON |
| 资助项目 | Hirose International Scholarship Foundation ; [JP24244024] ; [JP16H03905] ; [JP15J01446] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000519718100011 |
| 出版者 | AMER PHYSICAL SOC |
| 资助机构 | Hirose International Scholarship Foundation |
| 源URL | [http://119.78.100.186/handle/113462/140951]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Tanaka, M. |
| 作者单位 | 1.Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan 2.Kyushu Univ, Res Ctr Superheavy Elements, Fukuoka 8190395, Japan 3.Niigata Univ, Dept Phys, Ikarashi, Niigata 9512181, Japan 4.Tokyo City Univ, Dept Phys, Setagaya Ku, Tokyo 1588557, Japan 5.Saitama Univ, Dept Phys, Saitama 3388570, Japan 6.Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan 7.RIKEN, Nishina Ctr, Wako, Saitama 3510198, Japan 8.Inst Nucl Phys, Alma Ata 050032, Kazakhstan 9.LN Gumilyov Eurasian Natl Univ, Astana 010008, Kazakhstan 10.St Marys Univ, Astron & Phys Dept, Halifax, NS B3H 3C3, Canada |
| 推荐引用方式 GB/T 7714 | Tanaka, M.,Takechi, M.,Homma, M.,et al. Swelling of Doubly Magic Ca-48 Core in Ca Isotopes beyond N=28[J]. PHYSICAL REVIEW LETTERS,2020,124(10):6. |
| APA | Tanaka, M..,Takechi, M..,Homma, M..,Fukuda, M..,Nishimura, D..,...&Zholdybayev, T. K..(2020).Swelling of Doubly Magic Ca-48 Core in Ca Isotopes beyond N=28.PHYSICAL REVIEW LETTERS,124(10),6. |
| MLA | Tanaka, M.,et al."Swelling of Doubly Magic Ca-48 Core in Ca Isotopes beyond N=28".PHYSICAL REVIEW LETTERS 124.10(2020):6. |
入库方式： OAI收割
来源：近代物理研究所
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