Modeling the TMD shape function in J/ψ electroproduction

doi:10.1007/JHEP04(2026)149

2026-04-17

Miguel G. Echevarría

Raj Kishore

Samuel F. Romera *

DOI：10.1007/JHEP04(2026)149

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摘要

En 中文

低横向动量区域下，基于横向动量依赖（TMD）因式分解框架，计算了粲偶素电产生的高阶硬函数。通过算符级定义分析了粲偶素轻产生的TMD形状函数的结构。特别关注了非极化TMD胶子分布与TMD形状函数的卷积，从而阐明了后者的唯象作用。基于此框架，我们为未来电子离子对撞机（EIC）上小横向动量区域J/ψ电产生的非极化微分截面提供了预测。

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期刊

Journal of High Energy Physics

IF:

5.5

论文数:

4.0W

被引数:

13.7W

机构

physics

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2.9K

论文数: 1.3K

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