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Back-Shifted费米气核能级密度参量的研究
STUDY OF THE LEVEL DENSITY PARAMETERS FOR BACK-SHIFTED FERMI GAS MODEL
【摘要】 本文根据652个新实验数据,给出B-S型能级密度参量α和△值。对自旋切割因子表示式和选值作了改进,并对所给参量进行了自洽检验。其参量可用于截面计算。此外还对B-S型能级密度参量的系统学作了初步探讨。
【Abstract】 The level density parameters a and delta values of Back-Shifted Fermi Gas Model (B-S model) are updated by applying 652 sets of new experimental data. The expression of the spin cut-off factor and its selected value are improved. The self-consistence test has been performed for the obtained parameters. The parameters can be applied to practical calculation. Meanwhile, the systematics of B-S model level density parameters is preliminarily discussed.
【关键词】 Back-Shifted能级密度公式;
能级密度参量α和Δ值;
自旋切割因子;
自治检验;
系统学;
- 【文献出处】 中国核科技报告 ,China Nuclear Science and Technology Report , 编辑部邮箱 ,1988年00期
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