介子的Off-shell广义部子分布

Q4 Physics and Astronomy

Acta Physica Polonica B, Proceedings Supplement Pub Date : 2023-04-04 DOI:10.5506/aphyspolbsupp.16.7-a7

W. Broniowski, V. Shastry, E. Arriola

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引用次数: 2

摘要

本文分析了沙利文电生产过程中介子广义部子分布(GPDs)中的脱壳效应，以及相应的半脱壳电磁和引力形式因子。我们在一个手性夸克模型中说明了我们的一般结果，其中脱壳效应显示在一个显著的水平，表明它们对从未来实验数据中提取gpd的不确定性的贡献。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Off-shell Generalized Parton Distributions of the Pion

We analyze off-shell effects in the generalized parton distributions (GPDs) of the pion in the context of the Sullivan electroproduction process, as well as the corresponding half-off-shell electromagnetic and gravitational form factors. We illustrate our general results within a chiral quark model, where the off-shell effects show up at a significant level, indicating their contribution to uncertainties in the extraction of the GPDs from the future experimental data.

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来源期刊

Acta Physica Polonica B, Proceedings Supplement Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.50

自引率

0.00%

发文量