FRAGMENT MASS DISTRIBUTION OF THE ~(239)Pu(d,pf) REACTION VIA THE SUPERDEFORMED β-VIBRATIONAL RESONANCE

机译：〜（239）Pu（d，pf）反应通过超形变β振动共振的碎片质量分布

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In order to investigate the influence of the initial β-vibrational motion of the fissioning nucleus on the scission configuration, we have measured the fragment mass distribution of the ~(240)Pu fission following the β-vibrational resonance. The β-vibrational state (K~π = 0~+ state) is formed on the second minimum ( superdeformed(SD) minimum ) of the double-humped fission barrier. This state is observed below the threshold energy in the form of an enhanced fission cross section due to a resonance tunneling induced when the excitation energy (E_(ex) of the compound nucleus matches the level.

机译：为了研究裂变核的初始β振动运动对分裂构型的影响，我们测量了β-振动共振后〜（240）Pu裂变的碎片质量分布。 β振动状态（K〜π= 0〜+状态）形成在双峰裂变屏障的第二个最小值（superdeformed（SD）最小值）上。由于复合核的激发能（E_（ex））与能级匹配时引起的共振隧穿，在阈值能量以下以裂变截面增强的形式观察到该状态。

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来源
《International Workshop on the New Applications of Nuclear Fission; 20030907-12; Bucharest(RO)》|2003年|P.164-165|共2页
会议地点 Bucharest(RO)
作者
K. NISHIO; H. IKEZOE; Y. NAGAME; S. MITSUOKA; I. NISHINAKA; L. DUAN; K. SATOU; M. ASAI; H. HABA; K. TSUKADA; N. SHINOHARA; S. ICHIKAWA;
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Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan;

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原文格式 PDF
正文语种 eng
中图分类自然科学史;原子核物理学、高能物理学;
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FRAGMENT MASS DISTRIBUTION OF THE ~(239)Pu(d,pf) REACTION VIA THE SUPERDEFORMED β-VIBRATIONAL RESONANCE

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