Partition of total excitation energy between fragment pairs in asymmetric and symmetric fission modes
Nishinaka, I; Nagame, Y; Ikezoe, H; Tanikawa, M; Zhao, YL; Sueki, K; Nakahara, H; Zhao YL(赵宇亮)
刊名PHYSICAL REVIEW C
2004
卷号70期号:1页码:14609
学科分类Physics
DOI10.1103/PhysRevC.70.014609
通讯作者Japan Atom Energy Res Inst, Tokai, Ibaraki 3191195, Japan ; Univ Tokyo, Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Univ Tsukuba, Radioistope Ctr, Tsukuba, Ibaraki 3058577, Japan ; Tokyo Metropolitan Univ, Dept Chem, Tokyo 1920397, Japan
文章类型Article
英文摘要Primary and secondary fragment mass and fragment total kinetic energy were measured by the time-of-flight technique in the 12 MeV proton induced fission of Th-232. The average neutron multiplicity was obtained from the difference of the primary fragment mass and the secondary one as a function of mass and total kinetic energy of fission fragments. Simulation calculations were applied for correction of observed fission data affected by instrumental fluctuations in measurements of flight time and kinetic energies of fragments. Anomalous behaviors of the average neutron multiplicity as a function of total kinetic energy in the mass region of 98-107 for the lighter fragment and 126-135 for the heavier were observed and they were found to correlate with two fission modes, symmetric and asymmetric fission. The overall trend of the average neutron multiplicity was discussed in terms of the two fission modes. Partition of the total excitation energy between fragment pairs deduced from the neutron multiplicity data was evaluated for each fission mode for the first time.
类目[WOS]Physics, Nuclear
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000223590600045
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240447
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Nishinaka, I,Nagame, Y,Ikezoe, H,et al. Partition of total excitation energy between fragment pairs in asymmetric and symmetric fission modes[J]. PHYSICAL REVIEW C,2004,70(1):14609.
APA Nishinaka, I.,Nagame, Y.,Ikezoe, H.,Tanikawa, M.,Zhao, YL.,...&赵宇亮.(2004).Partition of total excitation energy between fragment pairs in asymmetric and symmetric fission modes.PHYSICAL REVIEW C,70(1),14609.
MLA Nishinaka, I,et al."Partition of total excitation energy between fragment pairs in asymmetric and symmetric fission modes".PHYSICAL REVIEW C 70.1(2004):14609.
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