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首页> 外文期刊>World Journal of Nuclear Science and Technology >A Closed-Form Formulation for the Build-Up Factor and Absorbed Energy for Photons and Electrons in the Compton Energy Range in Cartesian Geometry
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A Closed-Form Formulation for the Build-Up Factor and Absorbed Energy for Photons and Electrons in the Compton Energy Range in Cartesian Geometry

机译:直角几何中康普顿能量范围内光子和电子的累积因子和吸收能的封闭形式

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In this work, we report on a closed-form formulation for the build-up factor and absorbed energy, in one and two di- mensional Cartesian geometry for photons and electrons, in the Compton energy range. For the one-dimensional case we use the LTSN method, assuming the Klein-Nishina scattering kernel for the determination of the angular radiation intensity for photons. We apply the two-dimensional LTSN nodal solution for the averaged angular radiation evaluation for the two-dimensional case, using the Klein-Nishina kernel for photons and the Compton kernel for electrons. From the angular radiation intensity we construct a closed-form solution for the build-up factor and evaluate the absorbed energy. We present numerical simulations and comparisons against results from the literature.
机译:在这项工作中,我们报告了在康普顿能量范围内,光子和电子的一维和二维多维笛卡尔几何中的累积因子和吸收能量的封闭形式。对于一维情况,我们使用LTSN方法,假设使用Klein-Nishina散射核确定光子的角辐射强度。我们将二维LTSN节点解应用于二维情况的平均角辐射评估,使用Klein-Nishina核用于光子,而Compton核用于电子。根据角辐射强度,我们为累积因子构造了一个封闭形式的解,并评估了吸收的能量。我们提供数值模拟和与文献结果的比较。

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