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arXiv 0907.4042nucl-ex
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使用140个MeV $\bmα$ -微粒的Fission研究

Fission studies with 140 MeV $\bmα$-Particles

A. Buttkewitz, H. H. Duhm, F. Goldenbaum, H. Machner, W. Strauss

摘要:

测量了140 MeV的$α$ -粒子对$^{\rm nat}$ Ag、$^{139}$ La、$^{165}$ Ho和$^{197}$ Au靶引起的二裂变。测量的量是总动能、碎片质量和裂变截面。并与其他资料和系统学资料进行了比较。在$Z^2/A=24$附近观察到裂变几率的最小值。

英文摘要:

Binary fission induced by 140 MeV $α$-particles has been measured for $^{\rm nat}$Ag, $^{139}$La, $^{165}$Ho and $^{197}$Au targets. The measured quantities are the total kinetic energies, fragment masses, and fission cross sections. The results are compared with other data and systematics. A minimum of the fission probability in the vicinity $Z^2/A=24$ is observed.

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