New results in the CTEQ-TEA global analysis of parton distributions in the nucleon
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arXiv
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| Autori principali: | , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866915031275274240 |
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| author | Ablat, A. Courtoy, A. Dulat, S. Guzzi, M. Hobbs, T. J. Hou, T. -J. Huston, J. Mohan, K. Lin, H. -W. Nadolsky, P. Sitiwaldi, I. Xie, K. Yan, M. Yuan, C. -P. |
| author_facet | Ablat, A. Courtoy, A. Dulat, S. Guzzi, M. Hobbs, T. J. Hou, T. -J. Huston, J. Mohan, K. Lin, H. -W. Nadolsky, P. Sitiwaldi, I. Xie, K. Yan, M. Yuan, C. -P. |
| contents | This report summarizes the latest developments in the CTEQ-TEA global analysis of parton distribution functions (PDFs) in the nucleon. The focus is on recent NNLO fits to high-precision LHC data at 8 and 13 TeV, including Drell-Yan, jet, and top-quark pair production, pursued on the way toward the release of the new generation of CTEQ-TEA general-purpose PDFs. The report also discusses advancements in statistical and numerical methods for PDF determination and uncertainty quantification, highlighting the importance of robust and replicable uncertainties for high-stakes observables. Additionally, it covers phenomenological studies related to PDF determination, such as the interplay of experimental constraints, exploration of correlations between high-$x$ nucleon sea and low-energy parity-violating measurements, fitted charm in the nucleon, the photon PDF in the neutron, and simultaneous SMEFT-PDF analyses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_04020 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | New results in the CTEQ-TEA global analysis of parton distributions in the nucleon Ablat, A. Courtoy, A. Dulat, S. Guzzi, M. Hobbs, T. J. Hou, T. -J. Huston, J. Mohan, K. Lin, H. -W. Nadolsky, P. Sitiwaldi, I. Xie, K. Yan, M. Yuan, C. -P. High Energy Physics - Phenomenology This report summarizes the latest developments in the CTEQ-TEA global analysis of parton distribution functions (PDFs) in the nucleon. The focus is on recent NNLO fits to high-precision LHC data at 8 and 13 TeV, including Drell-Yan, jet, and top-quark pair production, pursued on the way toward the release of the new generation of CTEQ-TEA general-purpose PDFs. The report also discusses advancements in statistical and numerical methods for PDF determination and uncertainty quantification, highlighting the importance of robust and replicable uncertainties for high-stakes observables. Additionally, it covers phenomenological studies related to PDF determination, such as the interplay of experimental constraints, exploration of correlations between high-$x$ nucleon sea and low-energy parity-violating measurements, fitted charm in the nucleon, the photon PDF in the neutron, and simultaneous SMEFT-PDF analyses. |
| title | New results in the CTEQ-TEA global analysis of parton distributions in the nucleon |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2408.04020 |