Factorized QED Contribution to Lepton-Hadron DIS
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909288590475264 |
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| author | Cammarota, Justin Qiu, Jian-Wei Watanabe, Kazuhiro Zhang, Jia-Yue |
| author_facet | Cammarota, Justin Qiu, Jian-Wei Watanabe, Kazuhiro Zhang, Jia-Yue |
| contents | We present the first calculation of next-to-leading order (NLO) factorized QED contributions to the short-distance hard coefficients of inclusive lepton-hadron deep inelastic scattering (DIS) in a joint QCD and QED factorization approach. We demonstrate how the joint factorization consistently factorize all perturbative collinear sensitivities of partonic scattering in both QCD and QED into corresponding universal hadron and lepton distribution functions without the need of any parameters other than the standard factorization scale. We discuss the necessary modification to DGLAP-type evolution of the parton and lepton distribution functions in this joint factorization approach. We also discuss the potential impact of this joint factorization approach on the extraction of partonic information from lepton-hadron DIS. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_08377 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Factorized QED Contribution to Lepton-Hadron DIS Cammarota, Justin Qiu, Jian-Wei Watanabe, Kazuhiro Zhang, Jia-Yue High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory We present the first calculation of next-to-leading order (NLO) factorized QED contributions to the short-distance hard coefficients of inclusive lepton-hadron deep inelastic scattering (DIS) in a joint QCD and QED factorization approach. We demonstrate how the joint factorization consistently factorize all perturbative collinear sensitivities of partonic scattering in both QCD and QED into corresponding universal hadron and lepton distribution functions without the need of any parameters other than the standard factorization scale. We discuss the necessary modification to DGLAP-type evolution of the parton and lepton distribution functions in this joint factorization approach. We also discuss the potential impact of this joint factorization approach on the extraction of partonic information from lepton-hadron DIS. |
| title | Factorized QED Contribution to Lepton-Hadron DIS |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2408.08377 |