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All tree-level amplitudes in massless QCD
We derive compact analytical formulae for all tree-level color-ordered gauge theory amplitudes involving any number of external gluons and up to three massless quark-anti-quark pairs. A general formula is presented based on the combinatorics of paths along a rooted tree and associated determinants....
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2010
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1007/JHEP01(2011)035 http://cds.cern.ch/record/1301467 |