论文标题
alpha_s in dis方案
alpha_s in DIS scheme
论文作者
论文摘要
在MSBAR和DIS方案中的非单词近似中分析了来自各种固定目标实验的$ F_2 $结构函数的深度非弹性散射数据。使用联合分析对BCDM,SLAC和NMC协作提供的高统计数据深度非弹性散射数据进行了研究。 DIS方案的应用导致对大型X值很重要的贡献重新启动。发现使用DIS方案不会显着改变强耦合常数本身,而是强烈改变了扭曲四校正的值。
Deep inelastic scattering data on $F_2$ structure function from various fixed-target experiments were analyzed in a nonsinglet approximation in the MSbar and DIS scheme. The study of high statistics deep inelastic scattering data provided by BCDMS, SLAC and NMC collaborations, was carried out using a combined analysis. The application of the DIS scheme leads to the resummation of contributions that are important for large x values. It is found that using the DIS scheme does not significantly change the strong coupling constant itself but does strongly change the values of the twist-four corrections.