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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Accesso online: | https://arxiv.org/abs/2506.03222 |
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| _version_ | 1866916777437429760 |
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| author | Gatto, Gabriele |
| author_facet | Gatto, Gabriele |
| contents | This work investigates the behavior of hadronic matter in the high-energy Regge-Gribov (semi-hard) regime of Quantum Chromodynamics (QCD), accessible through current and future colliders such as the LHC, EIC, and FCC. Central to the analysis is the Balitsky-Fadin-Kuraev-Lipatov (BFKL) formalism, with detailed treatment of the BFKL equation in both leading and next-to-leading logarithmic approximations. A major focus is placed on the computation of real next-to-leading order (NLO) corrections to the Higgs boson impact factor, incorporating finite top-quark mass effects. These corrections are essential for improving precision in Higgs production processes at large rapidity separations. The study also explores the semi-inclusive production of exotic tetraquark states, employing a hybrid framework that combines collinear and BFKL dynamics within a variable-flavor number scheme. Updated fragmentation functions for bottomonium-like states are provided, offering improved predictions at 14 TeV and 100 TeV. Additionally, the work addresses diffractive di-hadron production in the small-x saturation regime using the Color Glass Condensate (CGC) formalism, presenting preliminary leading-order analytical results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_03222 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-energy dynamics of QCD: Theoretical and phenomenological results Gatto, Gabriele High Energy Physics - Phenomenology High Energy Physics - Theory This work investigates the behavior of hadronic matter in the high-energy Regge-Gribov (semi-hard) regime of Quantum Chromodynamics (QCD), accessible through current and future colliders such as the LHC, EIC, and FCC. Central to the analysis is the Balitsky-Fadin-Kuraev-Lipatov (BFKL) formalism, with detailed treatment of the BFKL equation in both leading and next-to-leading logarithmic approximations. A major focus is placed on the computation of real next-to-leading order (NLO) corrections to the Higgs boson impact factor, incorporating finite top-quark mass effects. These corrections are essential for improving precision in Higgs production processes at large rapidity separations. The study also explores the semi-inclusive production of exotic tetraquark states, employing a hybrid framework that combines collinear and BFKL dynamics within a variable-flavor number scheme. Updated fragmentation functions for bottomonium-like states are provided, offering improved predictions at 14 TeV and 100 TeV. Additionally, the work addresses diffractive di-hadron production in the small-x saturation regime using the Color Glass Condensate (CGC) formalism, presenting preliminary leading-order analytical results. |
| title | High-energy dynamics of QCD: Theoretical and phenomenological results |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2506.03222 |