Two-Loop Amplitude Reduction with HELAC
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866914644704100352 |
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| author | Bevilacqua, Giuseppe Canko, Dhimiter Papadopoulos, Costas |
| author_facet | Bevilacqua, Giuseppe Canko, Dhimiter Papadopoulos, Costas |
| contents | We discuss recent progress towards extending the Helac framework to the calculation of two-loop amplitudes. A general algorithm for the automated computation of two-loop integrands is described. The algorithm covers all the steps of the computation, from the generation of loop topologies up to the construction of recursion relations for two loop integrands. Finally, first steps towards the formulation of a new approach for reducing two-loop amplitudes to a basis of master integrals are discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_14886 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Two-Loop Amplitude Reduction with HELAC Bevilacqua, Giuseppe Canko, Dhimiter Papadopoulos, Costas High Energy Physics - Phenomenology We discuss recent progress towards extending the Helac framework to the calculation of two-loop amplitudes. A general algorithm for the automated computation of two-loop integrands is described. The algorithm covers all the steps of the computation, from the generation of loop topologies up to the construction of recursion relations for two loop integrands. Finally, first steps towards the formulation of a new approach for reducing two-loop amplitudes to a basis of master integrals are discussed. |
| title | Two-Loop Amplitude Reduction with HELAC |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2309.14886 |