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Devlin, J.A.; Borchert, M.J.; Erlewein, S.; Fleck, M.; Harrington, J.A. et al.: Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap. In: Physical Review Letters 126 (2021), Nr. 4, 041301. DOI: https://doi.org/10.1103/physrevlett.126.041301
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Sum total of downloads: 17
| Abstract: | |
We constrain the coupling between axionlike particles (ALPs) and photons, measured with the superconducting resonant detection circuit of a cryogenic Penning trap. By searching the noise spectrum of our fixed-frequency resonant circuit for peaks caused by dark matter ALPs converting into photons in the strong magnetic field of the Penning-trap magnet, we are able to constrain the coupling of ALPs with masses around 2.7906-2.7914 neV/c2 to gaγ<1×10-11 GeV-1. This is more than one order of magnitude lower than the best laboratory haloscope and approximately 5 times lower than the CERN axion solar telescope (CAST), setting limits in a mass and coupling range which is not constrained by astrophysical observations. Our approach can be extended to many other Penning-trap experiments and has the potential to provide broad limits in the low ALP mass range. | |
| License of this version: | CC BY 4.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2021 |
| Appears in Collections: | Fakultät für Mathematik und Physik |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 9 | 52.94% |
| 2 |  |
United States | 5 | 29.41% |
| 3 |  |
Indonesia | 1 | 5.88% |
| 4 |  |
France | 1 | 5.88% |
| 5 |  |
China | 1 | 5.88% |
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