Conceptual Design Report of the SUPAX Experiment
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866916733052256256 |
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| author | Chouhan, Dhruv Schneemann, Tim Schmieden, Kristof Schott, Matthias |
| author_facet | Chouhan, Dhruv Schneemann, Tim Schmieden, Kristof Schott, Matthias |
| contents | The SUPerconduction AXion search experiment (Supax) is a haloscope designed to probe axion-like particles (ALPs) as candidates for dark matter and solutions to the strong CP problem. ALPs are predicted to couple to photons, allowing their detection through resonant conversion in electromagnetic cavities placed within strong magnetic fields. \Supax employs a 12 T magnetic field and tunable superconducting cavities with resonance frequencies ranging from 2\,GHz to 7.2\,GHz, enabling the exploration of axion masses between 8\,$μ$eV and 30\,$μ$eV. The tuning mechanism, based on piezo motors and gas-pressure regulation, allows for simultaneous scanning of up to three frequencies, significantly improving search efficiency. This paper presents the technical design of the Supax experiment, preliminary R\&D efforts, and results from prototype experiments. In particular, we exclude dark photons with masses around $35\,μ$eV with a kinetic mixing parameter $χ> 5\cdot 10^{-14}$, i.e. a region of parameter space which has not been previously explored. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_07541 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Conceptual Design Report of the SUPAX Experiment Chouhan, Dhruv Schneemann, Tim Schmieden, Kristof Schott, Matthias High Energy Physics - Experiment Instrumentation and Methods for Astrophysics The SUPerconduction AXion search experiment (Supax) is a haloscope designed to probe axion-like particles (ALPs) as candidates for dark matter and solutions to the strong CP problem. ALPs are predicted to couple to photons, allowing their detection through resonant conversion in electromagnetic cavities placed within strong magnetic fields. \Supax employs a 12 T magnetic field and tunable superconducting cavities with resonance frequencies ranging from 2\,GHz to 7.2\,GHz, enabling the exploration of axion masses between 8\,$μ$eV and 30\,$μ$eV. The tuning mechanism, based on piezo motors and gas-pressure regulation, allows for simultaneous scanning of up to three frequencies, significantly improving search efficiency. This paper presents the technical design of the Supax experiment, preliminary R\&D efforts, and results from prototype experiments. In particular, we exclude dark photons with masses around $35\,μ$eV with a kinetic mixing parameter $χ> 5\cdot 10^{-14}$, i.e. a region of parameter space which has not been previously explored. |
| title | Conceptual Design Report of the SUPAX Experiment |
| topic | High Energy Physics - Experiment Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2505.07541 |