2〜50MeV電子に対する制動輻射断面積の計算と遮蔽計算への適用の検討

概要

論文の詳細を見る
Differencial bremsstrahlung cross sections of lead, iron, and carbon for electrons whose kinetic energies were 50, 10, and 2 MeV, and total numbre of bremsstrahlung photons emitted when those electrons were stopped in those materials were calculated. Electron energy and atomic number dependence of the bremsstrahlung spectra and their absolute values were investigated. As formulas of the cross section calculation, Sauter's and Shiff's were choosed for a good agreement with the experimental values of gold, aluminum, and beryllium. Fortunately their formulas have simple forms. As a result, it was found as a noteworthy fact that the total number of bremsstrahlung photons emitted when 50 MeV electrons were stopped in lead and carbon were approximately same, so that the bremsstrahlung due to high energy electrons is not negligble even in a light material. The method of adopting the bremsstrahlung in Monte Carlo radiation shielding program was also discussed in this study.
独立行政法人海上技術安全研究所の論文
1987-01-30