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质子电极化率的格点QCD计算

Aug 10, 2022, 7:30 PM
6m

Speaker

选贺 王 (北京大学)

Description

核子的电磁极化率是描述其性质与内部结构的重要参数。其反映了核子对电磁场的二阶响应。核子的极化率可以从其康普顿散射过程$\gamma N \to \gamma N$中提取。本工作中,我们通过在格点上构造核子的四点关联函数来极端其康普顿散射矩阵元。之后,我们会展示质子的电极化率是如何从格点数据中提取出来的。

Primary author

选贺 王 (北京大学)

Co-author

旭 冯 (Peking University)

Presentation materials