Exclusive photoproduction of $η_{c}γ$ pairs with large invariant mass
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866915199106154496 |
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| author | Siddikov, M. |
| author_facet | Siddikov, M. |
| contents | In this preprint we analyzed the exclusive photoproduction of $η_{c}γ$ pairs in the collinear factorization framework and evaluated its cross-section in leading order in the strong coupling $α_{s}$. We found that this process is mostly sensitive to the behavior of the unpolarized gluon GPD $H_{g}$ in the Efremov-Radyushkin-Brodsky-Lepage kinematics. We estimated numerically the cross-section and the expected counting rates in the kinematics of middle-energy photoproduction experiments which can be realized at the future Electron-Ion Collider and in the kinematics of ultraperipheral collisions at LHC. We found that the cross-section is sufficiently large for dedicated experimental study. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_01822 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Exclusive photoproduction of $η_{c}γ$ pairs with large invariant mass Siddikov, M. High Energy Physics - Phenomenology In this preprint we analyzed the exclusive photoproduction of $η_{c}γ$ pairs in the collinear factorization framework and evaluated its cross-section in leading order in the strong coupling $α_{s}$. We found that this process is mostly sensitive to the behavior of the unpolarized gluon GPD $H_{g}$ in the Efremov-Radyushkin-Brodsky-Lepage kinematics. We estimated numerically the cross-section and the expected counting rates in the kinematics of middle-energy photoproduction experiments which can be realized at the future Electron-Ion Collider and in the kinematics of ultraperipheral collisions at LHC. We found that the cross-section is sufficiently large for dedicated experimental study. |
| title | Exclusive photoproduction of $η_{c}γ$ pairs with large invariant mass |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2408.01822 |