Surface impedance measurements in superconductors in dc magnetic fields: challenges and relevance to particle physics experiments
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912193587445760 |
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| author | Alimenti, Andrea Pompeo, Nicola Torokhtii, Kostiantyn Silva, Enrico |
| author_facet | Alimenti, Andrea Pompeo, Nicola Torokhtii, Kostiantyn Silva, Enrico |
| contents | Particle physics and radio-frequency (RF) superconductivity have driven each other on since the 1970s. The unique properties of superconductors (SC) have been the enabling keys for the realization of accelerators with always increased performances thanks to the realization of all-superconducting cavities. The use of increasingly pure superconducting coatings for accelerating cavities, with lower and lower RF losses, determined such high-quality factors that the need to operate at low temperatures (below the superconducting transition temperature Tc) was well paid for. Recently, with respect to the path followed by the high frequency superconductivity, a new field opened since SCs are being considered for GHz operation in high dc magnetic fields, and measurements (and optimization) of totally different quantities are needed. The possibility of successfully using SCs in high magnetic fields for these purposes is far from obvious and it depends on the outcome of accurate measurements of usually overlooked quantities. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_10804 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Surface impedance measurements in superconductors in dc magnetic fields: challenges and relevance to particle physics experiments Alimenti, Andrea Pompeo, Nicola Torokhtii, Kostiantyn Silva, Enrico Superconductivity High Energy Physics - Experiment Particle physics and radio-frequency (RF) superconductivity have driven each other on since the 1970s. The unique properties of superconductors (SC) have been the enabling keys for the realization of accelerators with always increased performances thanks to the realization of all-superconducting cavities. The use of increasingly pure superconducting coatings for accelerating cavities, with lower and lower RF losses, determined such high-quality factors that the need to operate at low temperatures (below the superconducting transition temperature Tc) was well paid for. Recently, with respect to the path followed by the high frequency superconductivity, a new field opened since SCs are being considered for GHz operation in high dc magnetic fields, and measurements (and optimization) of totally different quantities are needed. The possibility of successfully using SCs in high magnetic fields for these purposes is far from obvious and it depends on the outcome of accurate measurements of usually overlooked quantities. |
| title | Surface impedance measurements in superconductors in dc magnetic fields: challenges and relevance to particle physics experiments |
| topic | Superconductivity High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2501.10804 |