Massive tree-level splitting functions beyond kinematical limits
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914327203676160 |
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| author | Höche, Stefan LeBlanc, Matt Roloff, Jennifer Whitman, Grant |
| author_facet | Höche, Stefan LeBlanc, Matt Roloff, Jennifer Whitman, Grant |
| contents | We present a compact form of the massive $1\to 3$ tree-level QCD splitting functions and discuss a decomposition of the results in terms of lower-order expressions, scalar dipole antenna functions and pure higher-order remainders. The two-gluon radiator functions introduced in this context are novel and generalize expressions obtained from the double-soft approximation. Our results are obtained without reference to soft or quasi-collinear limits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_07025 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Massive tree-level splitting functions beyond kinematical limits Höche, Stefan LeBlanc, Matt Roloff, Jennifer Whitman, Grant High Energy Physics - Phenomenology We present a compact form of the massive $1\to 3$ tree-level QCD splitting functions and discuss a decomposition of the results in terms of lower-order expressions, scalar dipole antenna functions and pure higher-order remainders. The two-gluon radiator functions introduced in this context are novel and generalize expressions obtained from the double-soft approximation. Our results are obtained without reference to soft or quasi-collinear limits. |
| title | Massive tree-level splitting functions beyond kinematical limits |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.07025 |