发表机构
Nanjing University; Institute for Nonperturbative Physics, Nanjing University（南京大学; 南京大学非微扰物理研究所）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文质疑矢量介子主导性在联系电磁与强子矢量介子产生过程中的适用性，提出一个可行反应模型，并指出需改进理论和数据才能评估相关联系。
AI 中文摘要
在由涌现质量三大支柱所支撑的背景下，本文质疑矢量介子主导性作为将电磁矢量介子（V）产生反应 $e + p \to e^\prime + V + p$ 与强子过程 $V + p \to V + p$ 联系起来的工具的保真度。本文还描述了一个可行的反应模型，用于从质子独占地光产生轻和重矢量介子，该模型揭示了光子的 $q\bar q$ 内容。该模型的成功表明，将现有的 $V + p \to V + p$ 数据与例如质子内胶子分布、QCD迹异常或五夸克产生联系起来还为时过早。在能够客观评估此类联系的有效性之前，需要改进反应理论和更精确的数据。
英文摘要
Against a background supported by the three pillars of emergent mass, this contribution challenges the fidelity of vector meson dominance as an instrument for relating the electromagnetic vector-meson (V) production reaction $e + p \to e^\prime + V + p$ to the hadronic process $V + p \to V + p$. It also describes a viable reaction model for exclusive photoproduction of light and heavy vector mesons from the proton, which exposes the $q\bar q$ content of the photon. That model's successes reveal that it is premature to link extant $V + p \to V + p$ data with, for instance, in-proton gluon distributions, the QCD trace anomaly, or pentaquark production. Improved reaction theory and more precise data are required before the validity of such links can objectively be assessed.
Comments8 pages, 5 figures. Summary of an invited presentation at the 19th International Workshop on Meson Physics (MESON2026), Kraków, Poland, 2026 June 25-30
