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利用夸克模型计算了核子的自旋相关结构函数随Q2 的依赖关系 .在小动量转移区研究高扭曲效应a2 (Q2 ) ,d2 (Q2 )对结构函数的影响 .计算结果和其它的一些模型理论计算做了比较 .
Quark model was used to calculate the dependence of the spin-related structure function of the nuclei on Q2. The effect of high-twist effects a2 (Q2) and d2 (Q2) on the structure function was studied in the small momentum transfer region. The calculated results and some other model theories Calculated to make a comparison.