加速7 Li离子诱导natPb的fission的研究
Investigation of induced fission of natPb by accelerated 7Li ions
摘要：
获得了245 MeV加速7 Li离子撞击natPb靶引起的裂变反应产生的碎片截面。在离线分析中，我们采用了诱导激活法。裂变产物的电荷和质量分布的分析允许的7 Li +Pb系统的总裂变截面的测定。采用基于两步模型数学形式的后坐技术（厚靶-厚捕集器）确定反应产物的运动学特性。关于转移的线性动量的分析提供了信息的初始弹-靶相互作用，并与质子引起的裂变测量。
英文摘要：
Cross-sections for fragments produced by the fission reaction induced by accelerated 7Li ions impinged into an natPb target at 245 MeV were obtained. We have applied the induced-activation method in off-line analysis. The analysis of charge and mass distributions of fission products allowed the determination of the total fission cross-section for the 7Li+Pb system. The recoil technique (thick target- thick catcher), based on the two step model mathematical formalism, is used to determine the kinematics characteristics of reaction products. Analysis concerning transferred linear momentum provided information on the initial projectile-target interaction, and is compared with proton-induced fission measurements.
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