Resummation of Glauber Phases in Non-Global LHC Observables for Large $N_c$
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866929405677273088 |
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| author | Böer, Philipp Hager, Patrick Neubert, Matthias Stillger, Michel Xu, Xiaofeng |
| author_facet | Böer, Philipp Hager, Patrick Neubert, Matthias Stillger, Michel Xu, Xiaofeng |
| contents | The Glauber series for non-global jet observables at hadron colliders simultaneously includes the super-leading logarithms alongside an arbitrary number of Glauber phases. Building on the formalism of arXiv:2405.05305, it is shown that the leading terms in this series for large $N_c$ can be resummed in closed form in renormalization-group improved perturbation theory. This remarkable observation suggests that large-$N_c$ methods might also be helpful to study other aspects of non-global logarithms at hadron colliders, and to combine our analytic results with amplitude-level parton showers. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_01691 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Resummation of Glauber Phases in Non-Global LHC Observables for Large $N_c$ Böer, Philipp Hager, Patrick Neubert, Matthias Stillger, Michel Xu, Xiaofeng High Energy Physics - Phenomenology High Energy Physics - Theory The Glauber series for non-global jet observables at hadron colliders simultaneously includes the super-leading logarithms alongside an arbitrary number of Glauber phases. Building on the formalism of arXiv:2405.05305, it is shown that the leading terms in this series for large $N_c$ can be resummed in closed form in renormalization-group improved perturbation theory. This remarkable observation suggests that large-$N_c$ methods might also be helpful to study other aspects of non-global logarithms at hadron colliders, and to combine our analytic results with amplitude-level parton showers. |
| title | Resummation of Glauber Phases in Non-Global LHC Observables for Large $N_c$ |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2407.01691 |