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Sep 1 – 7, 2023
EMFCSC (Erice, Italy)
Europe/Rome timezone

First Results from BREAD Dark Photon Search

Sep 3, 2023, 3:50 PM
EMFCSC (Erice, Italy)

EMFCSC (Erice, Italy)

Via Guarnotta, 26 - 91016 ERICE (Sicily) - Italy The conference will take place at the San Domenico Institute in the Dirac Lecture Hall: Piazzetta S. Domenico, 1, 91016 Erice TP: ttps://


Andrew Sonnenschein (Fermilab)


We introduce the Broadband Reflector Experiment for Axion Detection (BREAD) conceptual design and science program. BREAD is a dish antenna experiment based on a coaxial cylindrical reflector design which converts axions or dark photons into ordinary photons and focuses them onto a small sensor. This unique geometry is well matched to the requirements of superconducting quantum sensors since it is compatible with the use of standard cryostats and high-field solenoids. The BREAD technology may be used to search for bosonic dark matter across frequencies ranging from the microwave to visible light, corresponding to masses between ~40 micro-eV to 1 eV. We will show initial results from a dark photon search conducted with a 0.7  m2 reflector at room temperature in the 10-13 GHz frequency range. Sensitivity to the KSVZ and DFSZ axions will require new generations of photon-counting quantum sensors in combination with large reflector areas and high-field magnets. We project BREAD sensitivity for various sensor technologies and discuss future prospects.

Presentation materials