Gluon tomography through diffractive processes in a saturation framework
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866913471361187840 |
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| author | Boussarie, Renaud Fucilla, Michael Grabovsky, Andrey V. Li, Emilie Szymanowski, Lech Wallon, Samuel |
| author_facet | Boussarie, Renaud Fucilla, Michael Grabovsky, Andrey V. Li, Emilie Szymanowski, Lech Wallon, Samuel |
| contents | We discuss a series of results aimed at bringing saturation physics and gluon tomography into an era of precision. In particular, the NLO treatment of diffractive: 1) exclusive dijet, 2) exclusive longitudinally polarized light vector meson and 3) semi-inclusive single or double hadron photo- or electroproduction with large $p_T$, on a nucleon or a nuclei. Finally, we discuss the more complicated 4) exclusive transversely polarized light vector meson production, which starts at the next-to-leading power and therefore requires a beyond leading twist treatment. This new class of processes provides an access to precision physics of gluon saturation dynamics, with very promising future phenomenological studies at the EIC, or, at the LHC in $p A$ and $A A$ scattering, using Ultra Peripheral Collisions (UPC). |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2408_09805 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Gluon tomography through diffractive processes in a saturation framework Boussarie, Renaud Fucilla, Michael Grabovsky, Andrey V. Li, Emilie Szymanowski, Lech Wallon, Samuel High Energy Physics - Phenomenology High Energy Physics - Theory We discuss a series of results aimed at bringing saturation physics and gluon tomography into an era of precision. In particular, the NLO treatment of diffractive: 1) exclusive dijet, 2) exclusive longitudinally polarized light vector meson and 3) semi-inclusive single or double hadron photo- or electroproduction with large $p_T$, on a nucleon or a nuclei. Finally, we discuss the more complicated 4) exclusive transversely polarized light vector meson production, which starts at the next-to-leading power and therefore requires a beyond leading twist treatment. This new class of processes provides an access to precision physics of gluon saturation dynamics, with very promising future phenomenological studies at the EIC, or, at the LHC in $p A$ and $A A$ scattering, using Ultra Peripheral Collisions (UPC). |
| title | Gluon tomography through diffractive processes in a saturation framework |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2408.09805 |