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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.18696 |
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| _version_ | 1866911075741466624 |
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| author | Farren-Colloty, Casey Helliwell, Jack Patel, Rtvik Salam, Gavin P. Zanoli, Silvia |
| author_facet | Farren-Colloty, Casey Helliwell, Jack Patel, Rtvik Salam, Gavin P. Zanoli, Silvia |
| contents | Non-perturbative corrections to hadronic observables represent a critical obstacle to increasing accuracy at colliders. Long taken to scale simply as $1/Q$, where $Q$ is the centre-of-mass scattering energy, recent work has opened the path towards calculating the anomalous dimension that modifies that scaling. A priori, the problem is complex, requiring a resummation involving arbitrary numbers of large-angle and low-energy gluons. Within a specific framework for kinematic recoil, we show that it reduces to a simple exponential for key observables like the thrust, $C$-parameter and energy correlators. This simplicity holds for a specific hadron mass scheme, and also even beyond the two-jet limit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18696 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Anomalous scaling of linear power corrections Farren-Colloty, Casey Helliwell, Jack Patel, Rtvik Salam, Gavin P. Zanoli, Silvia High Energy Physics - Phenomenology Non-perturbative corrections to hadronic observables represent a critical obstacle to increasing accuracy at colliders. Long taken to scale simply as $1/Q$, where $Q$ is the centre-of-mass scattering energy, recent work has opened the path towards calculating the anomalous dimension that modifies that scaling. A priori, the problem is complex, requiring a resummation involving arbitrary numbers of large-angle and low-energy gluons. Within a specific framework for kinematic recoil, we show that it reduces to a simple exponential for key observables like the thrust, $C$-parameter and energy correlators. This simplicity holds for a specific hadron mass scheme, and also even beyond the two-jet limit. |
| title | Anomalous scaling of linear power corrections |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2507.18696 |