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The theoretical calculation of exclusive vector meson production at future EIC and EicC

Aug 11, 2022, 11:45 AM


鑫 吴 (中国科学技术大学)


Coherent vector meson photoproduction plays important role for investigating the partionic composition of protons and nuclear targets. Especially, it provides a novel tool to prob the gluonic structure of nuclei. In this talk, we present a theoretical framework to calculate the photoproduction cross section of vector mesons. In this framework, we derive an equivalent approximate photon distribution in coordinate space based on QED, which overcomes the weakness of traditional EPA at large virtuality of photon. The vector meson dominance model together with quantum Glauber approach are employed in the calculation. We will show the calculated rapidity and pt distribution of Jpsi photoprouction for both ep and eAu collisions at the planned energy sets at future EIC and EicC, which could served as event generator for detector design and physics opportunity projection.

Primary author

鑫 吴 (中国科学技术大学)


王妹 查 (中国科学技术大学近代物理系)

Presentation materials