质子-原子核散裂反应中预碎片形成的简单算法的发展

N. Nicolis, Athanasios Chatzikotelis
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引用次数: 0

摘要

开发了一种蒙特卡罗算法,并在FORTRAN语言中进行了编码,用于计算质子诱导散裂产生的预碎片的能量、质量和电荷分布。该算法是基于格劳伯的理论以及对迅速发射的核子类型的合理假设。在蒸发阶段,将碎片前质量、电荷和激发能的相关值输入到用Java编写的适当修改版本的代码MCEF (Monte-Carlo蒸发-裂变)中。在300、500和750 MeV/A条件下观察到的56Fe+p散裂反应中残留物的质量和电荷分布与实验结果吻合较好
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Development of a simple algorithm for pre-fragment formation in proton-nucleus spallation reactions
A Monte-Carlo algorithm is developed and coded in FORTRAN to calculate the energy, mass and charge distribution of the pre-fragments produced in proton induced spallation. The algorithm is based on Glauber’s theory together with a reasonable assumption on the type of the promptly emitted nucleons. For the evaporation stage, correlated values of pre-fragment mass, charge and excitation energy were fed into a properly modified version of the code MCEF (Monte-Carlo Evaporation-Fission) written in Java. A good agreement is obtained with the experimental mass and charge distributions of residues observed in 56Fe+p spallation reactions at 300, 500 and 750 MeV/A
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