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The two-loop massless off-shell QCD operator matrix elements to finite terms
We calculate the unpolarized and polarized two–loop massless off–shell operator matrix elements in QCD to O(ε) in the dimensional parameter in an automated way. Here we use the method of arbitrary high Mellin moments and difference ring theory, based on integration-by-parts relations. This method al...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier
2022-07-01
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| Colecção: | Nuclear Physics B |
| Acesso em linha: | http://www.sciencedirect.com/science/article/pii/S0550321322001456 |
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