比較的重い偶-偶核に対する軟回転体模型ハミルトニアンパラメータの推定値と集団的性質

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Author: 国枝賢ほか

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Publication date: 2011-02

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Note (General)：: The soft-rotator model Hamiltonian parameters were deduced for 63 even-even medium and heavy nuclei in a mass range $56 \leq A \leq 238$. We obtained ...

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Summary, etc.：: The soft-rotator model Hamiltonian parameters were deduced for 63 even-even medium and heavy nuclei in a mass range $56 \leq A \leq 238$. We obtained ...

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Material Type: 文書・図像類
Title: 比較的重い偶-偶核に対する軟回転体模型ハミルトニアンパラメータの推定値と集団的性質
Author/Editor: 国枝賢
千葉敏
柴田恵一
市原晃
岩本修
岩本信之
深堀智生
Sukhovitskij, E.
Author Heading: 国枝賢
千葉敏
柴田恵一
市原晃
岩本修
岩本信之
深堀智生
Sukhovitskij, E.
Publication Date: 2011-02
Publication Date (W3CDTF): 2011-02
Alternative Title: Deduced soft-rotator model Hamiltonian parameters and collective properties of medium-to-heavy even-even nuclei
Periodical title: JAEA-Research 2010-053
Text Language Code: eng
Target Audience: 一般
Note (General): The soft-rotator model Hamiltonian parameters were deduced for 63 even-even medium and heavy nuclei in a mass range $56 \leq A \leq 238$. We obtained those values by the combination of the low-lying level structure and the coupled-channels proton scattering analyses. It was found that the values of the effective quadrupole and octupole deformations obtained were consistent with those derived from experimental data. Besides, the equilibrium ground-state quadrupole deformation parameters were also in reasonable accord with the theoretical mass-models results for deformed heavy nuclei. In this report, we present a complete set of the Hamiltonian parameters for each nucleus. The obtained values of the parameters often varied with the constituent neutron and/or proton numbers anomalously. On the other hand, some clear systematic trends were seen among the major Hamiltonian parameters.
質量数56から238までの中重核領域における63種の偶-偶核に対して軟回転体模型ハミルトニアンパラメータを導出した。パラメータの値は、軟回転体模型による離散励起レベル構造の解析及びチャネル結合光学模型による陽子非散乱微分断面積の解析を同時に行って推定した。得られた実効的な四重極及び八重極変形の値は測定値に基づく結果と比べて大きな矛盾がなく、重核の基底変形パラメータは原子核質量モデルによる理論計算結果と比較的よく一致した。このレポートでは核種ごとに完全なハミルトニアンパラメータセットを示す。原子核の中性子数や陽子数が異なるごとにパラメータの値が不規則に変化するケースが多々見られたが、主要なパラメータ間には明らかな相関が見られた。
Source: /JAEA-Research-2010-053.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Research-2010-053.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System