Twist-4 effect in polarized structure function(Chinese)
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摘要: 利用扭度-4修正后的Dokshitzer-Gribov-Lipatov-Altarelli-Parisi（DGLAP）方程，结合HERMES的实验数据，计算出了领头阶情况下极化结构函数g1以及不对称性A1，讨论了扭度-4对核子自旋结构函数的影响.Abstract: This paper calculated the proton and neutron spin structure functiong1 and the asymmetryA1 with modified DGLAP equations which considered twist-4 effect. With the HERMES experiment data, we discussed twist-4 effect in polarized structure function.
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