NNLO subtraction for any massless final state: a complete analytic expression
Abstract We use the Local Analytic Sector Subtraction scheme to construct a completely analytic set of expressions implementing a fully local infrared subtraction at NNLO for generic coloured massless final states. The cancellation of all explicit infrared poles appearing in the double-virtual contr...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-07-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP07(2023)140 |
| _version_ | 1827781404648275968 |
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| author | Gloria Bertolotti Lorenzo Magnea Giovanni Pelliccioli Alessandro Ratti Chiara Signorile-Signorile Paolo Torrielli Sandro Uccirati |
| author_facet | Gloria Bertolotti Lorenzo Magnea Giovanni Pelliccioli Alessandro Ratti Chiara Signorile-Signorile Paolo Torrielli Sandro Uccirati |
| author_sort | Gloria Bertolotti |
| collection | DOAJ |
| description | Abstract We use the Local Analytic Sector Subtraction scheme to construct a completely analytic set of expressions implementing a fully local infrared subtraction at NNLO for generic coloured massless final states. The cancellation of all explicit infrared poles appearing in the double-virtual contribution, in the real-virtual correction and in the integrated local infrared counterterms is explicitly verified, and all finite contributions arising from integrated local counterterms are analytically evaluated in terms of ordinary polylogarithms up to weight three. The resulting subtraction formula can readily be implemented in any numerical framework containing the relevant matrix elements up to NNLO. |
| first_indexed | 2024-03-11T15:18:19Z |
| format | Article |
| id | doaj.art-95df26ce897443ef823eaa13ff4335c3 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-11T15:18:19Z |
| publishDate | 2023-07-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-95df26ce897443ef823eaa13ff4335c32023-10-29T12:07:25ZengSpringerOpenJournal of High Energy Physics1029-84792023-07-012023719710.1007/JHEP07(2023)140NNLO subtraction for any massless final state: a complete analytic expressionGloria Bertolotti0Lorenzo Magnea1Giovanni Pelliccioli2Alessandro Ratti3Chiara Signorile-Signorile4Paolo Torrielli5Sandro Uccirati6Dipartimento di Fisica, Università di Torino and INFN, Sezione di TorinoDipartimento di Fisica, Università di Torino and INFN, Sezione di TorinoMax-Planck-Institut für PhysikMax-Planck-Institut für PhysikInstitut für Theoretische Teilchenphysik, Karlsruher Institut für Technologie (KIT)Dipartimento di Fisica, Università di Torino and INFN, Sezione di TorinoDipartimento di Fisica, Università di Torino and INFN, Sezione di TorinoAbstract We use the Local Analytic Sector Subtraction scheme to construct a completely analytic set of expressions implementing a fully local infrared subtraction at NNLO for generic coloured massless final states. The cancellation of all explicit infrared poles appearing in the double-virtual contribution, in the real-virtual correction and in the integrated local infrared counterterms is explicitly verified, and all finite contributions arising from integrated local counterterms are analytically evaluated in terms of ordinary polylogarithms up to weight three. The resulting subtraction formula can readily be implemented in any numerical framework containing the relevant matrix elements up to NNLO.https://doi.org/10.1007/JHEP07(2023)140Higher-Order Perturbative CalculationsFactorizationRenormalization GroupSpecific QCD Phenomenology |
| spellingShingle | Gloria Bertolotti Lorenzo Magnea Giovanni Pelliccioli Alessandro Ratti Chiara Signorile-Signorile Paolo Torrielli Sandro Uccirati NNLO subtraction for any massless final state: a complete analytic expression Journal of High Energy Physics Higher-Order Perturbative Calculations Factorization Renormalization Group Specific QCD Phenomenology |
| title | NNLO subtraction for any massless final state: a complete analytic expression |
| title_full | NNLO subtraction for any massless final state: a complete analytic expression |
| title_fullStr | NNLO subtraction for any massless final state: a complete analytic expression |
| title_full_unstemmed | NNLO subtraction for any massless final state: a complete analytic expression |
| title_short | NNLO subtraction for any massless final state: a complete analytic expression |
| title_sort | nnlo subtraction for any massless final state a complete analytic expression |
| topic | Higher-Order Perturbative Calculations Factorization Renormalization Group Specific QCD Phenomenology |
| url | https://doi.org/10.1007/JHEP07(2023)140 |
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