关于辐射修正对EMC效应测量重要性的研究
On the significance of radiative corrections on measurements of the EMC effect
AI总结：
本文通过比较不同辐射修正方法，发现实验间系统性差异源于辐射修正程序不一致，采用统一方法可消除矛盾，从而更稳健地提取无限核物质的EMC效应。
摘要：
分析关于EMC效应的全球数据（该效应描述原子核内部分子分布函数与未束缚核子相比的差异）揭示了紧张关系。杰斐逊实验室的精确测量研究了x依赖性和A依赖性，显示出各实验之间存在系统性差异，使得EMC效应A依赖性的提取对数据集的选择十分敏感。通过比较用于计算辐射修正的各种方法和假设，我们识别出了虽不大但会显著影响EMC比值的差异，并表明采用一致的辐射修正程序可以解决这一差异，从而得到更连贯的全球图像，并允许对无限核物质的EMC效应进行更稳健的提取。
英文摘要：
Analyzing global data on the EMC effect, which denotes differences in parton distribution functions in nuclei compared to unbound nucleons, reveals tensions. Precise measurements at Jefferson Lab, studying both x and A dependence, show systematic discrepancies among experiments, making the extraction of the A dependence of the EMC effect sensitive to the selection of datasets. By comparing various methods and assumptions used to calculate radiative corrections, we have identified differences that, while not large, significantly impact the EMC ratios and show that using a consistent radiative correction procedure resolves this discrepancy, leading to a more coherent global picture, and allowing for a more robust extraction of the EMC effect for infinite nuclear matter.
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