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Improved formulas for fusion cross-sections and thermal reactivities

H.-S. Bosch, G.M. Hale1992年被引用 664Nuclear FusionIF 3出版社

For interpreting fusion rate measurements in present fusion experiments and predicting the fusion performance of future devices or of d-t experiments in present devices, it is important to know the fusion cross-sections as precisely as possible. Usually, it is not measured data that are used, but parametrizations of the cross-section as a function of the ion energy and parametrizations of the Maxwellian reactivity as a function of the ion-temperature. Since the publication of the parametrizations now in use, new measurements have been made and evaluations of the measured data have been improved by applying R-matrix theory. The authors show that the old parametrizations no longer adequately represent the experimental data and present new parametrizations based on R-matrix calculations for fusion cross-sections and Maxwellian reactivities for the reactions D(d,n)3He, D(d,p)T, T(d,n)4He and 3He(d,p)4He

日本語訳

現在の核融合実験における融合率測定の解釈や、将来の装置や現在の装置におけるD-T実験の融合性能予測には、融合断面積を可能な限り正確に知ることが重要である。通常、使用されるのは測定データそのものではなく、イオンエネルギーの関数としての断面積のパラメータ化、およびイオン温度の関数としてのマクスウェル平均反応率のパラメータ化である。現在使用されているパラメータ化の発表以来、新たな測定が行われ、R行列理論の適用による評価データの改良が進められてきた。著者らは、従来のパラメータ化がもはや実験データを適切に表現していないことを示し、D(d,n)3He、D(d,p)T、T(d,n)4He、および3He(d,p)4Heの各反応について、R行列計算に基づく融合断面積とマクスウェル平均反応率の新しいパラメータ化を提示する。

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