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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2509.03368 |
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| _version_ | 1866912569091948544 |
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| author | Alviani, Edoardo Falkowski, Adam |
| author_facet | Alviani, Edoardo Falkowski, Adam |
| contents | We revisit gauge anomalies from the purely on-shell perspective. We argue that violation of anomaly cancellation conditions manifests as a breakdown of collinear factorization. We explicitly construct one-loop 5-point amplitudes with graviton exchange displaying singular behavior in collinear limits that cannot be reconciled with factorization theorems. In this approach, gravity serves as a universal probe of both abelian and non-abelian anomalies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_03368 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Gauge anomalies on shell and collinear factorization Alviani, Edoardo Falkowski, Adam High Energy Physics - Theory We revisit gauge anomalies from the purely on-shell perspective. We argue that violation of anomaly cancellation conditions manifests as a breakdown of collinear factorization. We explicitly construct one-loop 5-point amplitudes with graviton exchange displaying singular behavior in collinear limits that cannot be reconciled with factorization theorems. In this approach, gravity serves as a universal probe of both abelian and non-abelian anomalies. |
| title | Gauge anomalies on shell and collinear factorization |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2509.03368 |