Wigner 6j symbols with gluon lines: completing the set of 6j symbols required for color decomposition
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866913513248653312 |
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| author | Keppeler, Stefan Plätzer, Simon Sjodahl, Malin |
| author_facet | Keppeler, Stefan Plätzer, Simon Sjodahl, Malin |
| contents | We construct a set of Wigner 6j symbols with gluon lines (adjoint representations) in closed form, expressed in terms of similar 6j symbols with quark lines (fundamental representations). Together with Wigner 6j symbols with quark lines, this gives a set of 6j symbols sufficient for treating QCD color structure for any number of external particles, in or beyond perturbation theory. This facilitates a complete treatment of QCD color structure in terms of orthogonal multiplet bases, without the need of ever explicitly constructing the corresponding bases. We thereby open up for a completely representation theory based treatment of SU(N) color structure, with the potential of significantly speeding up the color structure treatment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_16688 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Wigner 6j symbols with gluon lines: completing the set of 6j symbols required for color decomposition Keppeler, Stefan Plätzer, Simon Sjodahl, Malin High Energy Physics - Phenomenology Mathematical Physics We construct a set of Wigner 6j symbols with gluon lines (adjoint representations) in closed form, expressed in terms of similar 6j symbols with quark lines (fundamental representations). Together with Wigner 6j symbols with quark lines, this gives a set of 6j symbols sufficient for treating QCD color structure for any number of external particles, in or beyond perturbation theory. This facilitates a complete treatment of QCD color structure in terms of orthogonal multiplet bases, without the need of ever explicitly constructing the corresponding bases. We thereby open up for a completely representation theory based treatment of SU(N) color structure, with the potential of significantly speeding up the color structure treatment. |
| title | Wigner 6j symbols with gluon lines: completing the set of 6j symbols required for color decomposition |
| topic | High Energy Physics - Phenomenology Mathematical Physics |
| url | https://arxiv.org/abs/2312.16688 |