Search for dark photon dark matter in the mass range 41 − 74     μ eV using millimeter-wave receiver and radioshielding box

Dark photons have been considered potential candidates for dark matter. The dark photon dark matter (DPDM) has a mass and interacts with electromagnetic fields via kinetic mixing with a coupling constant of χ . Thus, DPDMs are converted into ordinary photons at metal surfaces. Using a millimeter-wav...

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Veröffentlicht in:Physical review. D 2024-01, Vol.109 (1), Article 012008
Hauptverfasser: Adachi, S., Fujinaka, R., Muto, Y., Nakata, H., Sueno, Y., Sumida, T., Suzuki, J., Tajima, O., Takeuchi, H., Honda, S.
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Sprache:eng
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Zusammenfassung:Dark photons have been considered potential candidates for dark matter. The dark photon dark matter (DPDM) has a mass and interacts with electromagnetic fields via kinetic mixing with a coupling constant of χ . Thus, DPDMs are converted into ordinary photons at metal surfaces. Using a millimeter-wave receiver set in a radioshielding box, we performed experiments to detect the conversion photons from the DPDM in the frequency range 10–18 GHz, which corresponds to a mass range 41 – 74     μ eV . We found no conversion photon signal in this range and set the upper limits to χ < ( 0.5 – 3.9 ) × 10 − 10 at a 95% confidence level.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.109.012008