Measurement of Level Density Parameters of Fission Fragments Following Thermal Neutron Induced Fission of Uranium-235.
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- NISHIO Katsuhisa
- Department of Nuclear Engineering, Kyoto University
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- KIMURA Itsuro
- Department of Nuclear Engineering, Kyoto University
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- NAKAGOME Yoshihiro
- Research Reactor Institute, Kyoto University
書誌事項
- タイトル別名
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- Measurement of Level Density Parameters
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説明
Level density parameters of fission fragments following the thermal neutron induced fission of 235U were determined as a function of the fragment mass by measuring the energy and multiplicity of prompt neutrons from a specified mass. This measurement gave the absolute values of the parameters for the neutron-rich nuclei covering the mass range from 80 to 155u except the region from 115 to 125u. The obtained parameters showed a saw-tooth trend against the mass with the minimum value around the double magic number, 132u, and this trend was close to that for 252Cf(s.f) by Budtz-Jorgensen et al. The analysis by a phenomenological description of the level density parameters including the shell and collective effects suggested the existence of a collective motion of the fission fragment at the moment of prompt neutron emission.
収録刊行物
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- Journal of Nuclear Science and Technology(日本原子力学会英文論文誌)
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Journal of Nuclear Science and Technology(日本原子力学会英文論文誌) 34 (5), 439-444, 1997
一般社団法人 日本原子力学会
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詳細情報 詳細情報について
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- CRID
- 1390282679071270144
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- NII論文ID
- 10002077063
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- NII書誌ID
- AA00703720
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- COI
- 1:CAS:528:DyaK2sXktFWlsL0%3D
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- ISSN
- 18811248
- 00223131
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- NDL書誌ID
- 4219690
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可