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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2602.18233 |
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| _version_ | 1866918347688378368 |
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| author | Diehl, Markus Ploessl, Peter |
| author_facet | Diehl, Markus Ploessl, Peter |
| contents | Double parton distributions at small distances between the two partons are dominated by a mechanism in which the two observed partons originate from the splitting of a single parton. This contribution can be computed in terms of single-parton distributions and perturbative splitting kernels. We demonstrate that two-loop corrections to these kernels can have a substantial quantitative impact and considerably improve the stability of predictions for double parton scattering. We also consider the impact of heavy quark masses in the two-loop splitting kernels in an approximate manner. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_18233 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A quantitative study of two-loop splitting in double parton distributions Diehl, Markus Ploessl, Peter High Energy Physics - Phenomenology Double parton distributions at small distances between the two partons are dominated by a mechanism in which the two observed partons originate from the splitting of a single parton. This contribution can be computed in terms of single-parton distributions and perturbative splitting kernels. We demonstrate that two-loop corrections to these kernels can have a substantial quantitative impact and considerably improve the stability of predictions for double parton scattering. We also consider the impact of heavy quark masses in the two-loop splitting kernels in an approximate manner. |
| title | A quantitative study of two-loop splitting in double parton distributions |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2602.18233 |