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SPAGINS: 伽马诱导核散裂碎片的半经验参数化

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SPAGINS: Semiempirical Parameterization for fragments in Gamma Induced Nuclear Spallation

摘要: 从核散裂反应中碎片分布的经验现象,构建了半经验公式来预测高能γ诱导核散裂反应(PNSR)中的碎片截面。在构建SPAGINS公式时,采用的理论模型包括TALYS工具包、SPACS和Rudstam五参数化公式,研究了入射能量在100~1000MeV之间的PNSR中碎片分布的一般现象。考虑到PNSR的主要特性,SPAGINS公式修改了EPAX和SPACS公式,有效地再现了实验测量数据。SPAGINS公式为预测PNSR中片段的产生提供了一种新的、有效的工具。
Abstract: From the empirical phenomena of fragment distributions in nuclear spallation reactions, semiempirical formulas named SPAGINS were constructed to predict fragment crosssections in high-energy γ-induced nuclear spallation reactions (PNSR). In constructing the SPAGINS formulas, theoretical models, including the TALYS toolkit, SPACS, and Rudstam formulas, were employed to study the general phenomenon of fragment distributions in PNSR with incident energies ranging from 100 to 1000 MeV. Considering the primary characteristics of PNSR, the SPAGINS formulas modify the EPAX and SPACS formulas and efficiently reproduce the measured data. The SPAGINS formulas provide a new and effective tool for predicting fragment production in PNSR.

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[V1] 2023-11-08 21:30:10 ChinaXiv:202311.00132V1 下载全文
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