Abstract
We present the design and performance of a simple fixed-frequency superconducting lumped-element resonator developed for axion and hidden-photon dark matter detection. A rectangular NbTi inductor was coupled to a Nb-coated sapphire capacitor and immersed in liquid helium within a superconducting shield. The resonator was transformer-coupled to a DC SQUID for readout. We measured a quality factor of ∼40,000 at the resonant frequency of 492.027 kHz and set a simple exclusion limit on ∼2 neV hidden photons with kinetic mixing angle ε ≳ 1.5 × 10−9 based on 5.14 h of integrated noise. This test device informs the development of the Dark Matter Radio, a tunable superconducting lumped-element resonator which will search for axions and hidden photons over the 100 Hz to 300 MHz frequency range.
| Original language | English (US) |
|---|---|
| Title of host publication | Microwave Cavities and Detectors for Axion Research - Proceedings of the 3rd International Workshop, 2018 |
| Editors | Gianpaolo Carosi, Gray Rybka |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 139-145 |
| Number of pages | 7 |
| ISBN (Print) | 9783030437602 |
| DOIs | |
| State | Published - 2020 |
| Externally published | Yes |
| Event | 3rd International Workshop on Microwave Cavities and Detectors for Axion Research, 2018 - Livermore, United States Duration: Aug 21 2018 → Aug 24 2018 |
Publication series
| Name | Springer Proceedings in Physics |
|---|---|
| Volume | 245 |
| ISSN (Print) | 0930-8989 |
| ISSN (Electronic) | 1867-4941 |
Conference
| Conference | 3rd International Workshop on Microwave Cavities and Detectors for Axion Research, 2018 |
|---|---|
| Country/Territory | United States |
| City | Livermore |
| Period | 8/21/18 → 8/24/18 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
Keywords
- Dark Matter Radio
- Hidden photon
- Lumped-element
- Superconducting resonator
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