New multiple soft theorem from split-helicity amplitude decomposition
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912753721016320 |
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| author | Rasoanaivo, Andriniaina Narindra Andriantsarafara, Fanomezantsoa Arlivah |
| author_facet | Rasoanaivo, Andriniaina Narindra Andriantsarafara, Fanomezantsoa Arlivah |
| contents | We investigate the soft decomposition of tree-level gluon amplitudes with split-helicity configurations. First, we show how any split-helicity amplitude can be fully fixed from inverse soft limit using BCFW calculation. We show how the double and triple soft theorems can manifest beyond perturbative calculations through split-helicity decomposition. Next, we obtain a compact formula for the corresponding soft operator which is a simple combination of individual single soft operators. Then we generate the leading and sub-leading soft factors using soft momentum expansion, to compare with results derived from standard calculation. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2503_13363 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | New multiple soft theorem from split-helicity amplitude decomposition Rasoanaivo, Andriniaina Narindra Andriantsarafara, Fanomezantsoa Arlivah High Energy Physics - Theory We investigate the soft decomposition of tree-level gluon amplitudes with split-helicity configurations. First, we show how any split-helicity amplitude can be fully fixed from inverse soft limit using BCFW calculation. We show how the double and triple soft theorems can manifest beyond perturbative calculations through split-helicity decomposition. Next, we obtain a compact formula for the corresponding soft operator which is a simple combination of individual single soft operators. Then we generate the leading and sub-leading soft factors using soft momentum expansion, to compare with results derived from standard calculation. |
| title | New multiple soft theorem from split-helicity amplitude decomposition |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2503.13363 |