All-order Feynman rules for leading-twist gauge-invariant operators in QCD
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866911974977175552 |
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| author | Somogyi, G. Van Thurenhout, S. |
| author_facet | Somogyi, G. Van Thurenhout, S. |
| contents | We present the Feynman rules for leading-twist gauge-invariant quark and gluon operators with an arbitrary number of total derivatives and applicable to any order in perturbation theory. This generalizes previous results and constitutes a necessary ingredient in the computation of the matrix elements of the corresponding operators. The results are written in a form appropriate for implementation in a computer algebra system. To illustrate the latter we provide implementations in Mathematica and FORM, which are made available at https://github.com/vtsam/NKLO. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_12623 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | All-order Feynman rules for leading-twist gauge-invariant operators in QCD Somogyi, G. Van Thurenhout, S. High Energy Physics - Phenomenology High Energy Physics - Theory We present the Feynman rules for leading-twist gauge-invariant quark and gluon operators with an arbitrary number of total derivatives and applicable to any order in perturbation theory. This generalizes previous results and constitutes a necessary ingredient in the computation of the matrix elements of the corresponding operators. The results are written in a form appropriate for implementation in a computer algebra system. To illustrate the latter we provide implementations in Mathematica and FORM, which are made available at https://github.com/vtsam/NKLO. |
| title | All-order Feynman rules for leading-twist gauge-invariant operators in QCD |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2403.12623 |