NNLO QCD corrections to semi-inclusive DIS
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866914721401143296 |
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| author | Goyal, Saurav Moch, Sven-Olaf Pathak, Vaibhav Rana, Narayan Ravindran, V. |
| author_facet | Goyal, Saurav Moch, Sven-Olaf Pathak, Vaibhav Rana, Narayan Ravindran, V. |
| contents | We present the first results for the next-to-next-to leading order (NNLO) corrections to the semi-inclusive deep-inelastic scattering process in perturbative quantum chromodynamics. We consider the quark initiated flavor non-singlet process and obtain the complete contributions analytically at leading color. All relevant virtual and real emission Feynman diagrams have been computed using integration-by-parts reduction to master integrals and two approaches for their subsequent evaluation (parametric phase-space integration and method of differential equations). The numerical analysis demonstrates the significance of the NNLO corrections and their great impact on the reduction of the residual scale dependence. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2312_17711 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | NNLO QCD corrections to semi-inclusive DIS Goyal, Saurav Moch, Sven-Olaf Pathak, Vaibhav Rana, Narayan Ravindran, V. High Energy Physics - Phenomenology High Energy Physics - Theory We present the first results for the next-to-next-to leading order (NNLO) corrections to the semi-inclusive deep-inelastic scattering process in perturbative quantum chromodynamics. We consider the quark initiated flavor non-singlet process and obtain the complete contributions analytically at leading color. All relevant virtual and real emission Feynman diagrams have been computed using integration-by-parts reduction to master integrals and two approaches for their subsequent evaluation (parametric phase-space integration and method of differential equations). The numerical analysis demonstrates the significance of the NNLO corrections and their great impact on the reduction of the residual scale dependence. |
| title | NNLO QCD corrections to semi-inclusive DIS |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2312.17711 |