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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2406.03414 |
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| _version_ | 1866917820896378880 |
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| author | de Florian, Daniel Conte, Lucas Palma Volonnino, Gabriel Fernando |
| author_facet | de Florian, Daniel Conte, Lucas Palma Volonnino, Gabriel Fernando |
| contents | We employ the LuxQED approach to compute the polarized photon PDF (photon pPDF). This approach expresses the pPDF in terms of the structure functions $g_1$ and $g_2$. Different models for the structure functions are employed according to the parameter space region. The resulting pPDF is approximately of the order of $x$ times the unpolarized PDF. The relative uncertainty in the photon pPDF reaches up to $50\%$ for $x \sim 10^{-3}$, decreasing to approximately $10\%$ for higher values of $x$. The computation of the photon pPDF will be essential for improving the precision of polarized calculations and will have fundamental implications for studies at the future Electron-Ion Collider (EIC). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_03414 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The polarized photon distribution function de Florian, Daniel Conte, Lucas Palma Volonnino, Gabriel Fernando High Energy Physics - Phenomenology We employ the LuxQED approach to compute the polarized photon PDF (photon pPDF). This approach expresses the pPDF in terms of the structure functions $g_1$ and $g_2$. Different models for the structure functions are employed according to the parameter space region. The resulting pPDF is approximately of the order of $x$ times the unpolarized PDF. The relative uncertainty in the photon pPDF reaches up to $50\%$ for $x \sim 10^{-3}$, decreasing to approximately $10\%$ for higher values of $x$. The computation of the photon pPDF will be essential for improving the precision of polarized calculations and will have fundamental implications for studies at the future Electron-Ion Collider (EIC). |
| title | The polarized photon distribution function |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2406.03414 |