Heavy QCD Axions at High-Energy Muon Colliders
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866914035620904960 |
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| author | Bedi, Ravneet Gherghetta, Tony Kumar, Soubhik Li, Peiran Liu, Zhen |
| author_facet | Bedi, Ravneet Gherghetta, Tony Kumar, Soubhik Li, Peiran Liu, Zhen |
| contents | We study the physics potential of heavy QCD axions at high-energy muon colliders. Unlike typical axion-like particles, heavy QCD axions solve the strong CP problem with phenomenology driven by the anomalous gluon ($aG\widetilde G$) couplings. Several ultraviolet scenarios are presented in which QCD axions with TeV-scale masses and decay constants arise consistently with a solution to both the strong CP problem and the axion quality problem. We perform a detailed collider analysis for both a 3 and 10~TeV muon collider, focusing on hadronic axion decays that gives rise to a dijet-resonance signature. Our projections for the axion discovery reach in the multi-TeV mass range demonstrate that a muon collider can significantly extend sensitivity to heavy QCD axions compared to existing experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_10605 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Heavy QCD Axions at High-Energy Muon Colliders Bedi, Ravneet Gherghetta, Tony Kumar, Soubhik Li, Peiran Liu, Zhen High Energy Physics - Phenomenology We study the physics potential of heavy QCD axions at high-energy muon colliders. Unlike typical axion-like particles, heavy QCD axions solve the strong CP problem with phenomenology driven by the anomalous gluon ($aG\widetilde G$) couplings. Several ultraviolet scenarios are presented in which QCD axions with TeV-scale masses and decay constants arise consistently with a solution to both the strong CP problem and the axion quality problem. We perform a detailed collider analysis for both a 3 and 10~TeV muon collider, focusing on hadronic axion decays that gives rise to a dijet-resonance signature. Our projections for the axion discovery reach in the multi-TeV mass range demonstrate that a muon collider can significantly extend sensitivity to heavy QCD axions compared to existing experiments. |
| title | Heavy QCD Axions at High-Energy Muon Colliders |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2509.10605 |