First Results from ABRACADABRA-10 cm: A Search for Sub- μeV Axion Dark Matter

Jonathan L. Ouellet, Chiara P. Salemi, Joshua W. Foster, Reyco Henning, Zachary Bogorad, Janet M. Conrad, Joseph A. Formaggio, Yonatan Kahn, Joe Minervini, Alexey Radovinsky, Nicholas L. Rodd, Benjamin R. Safdi, Jesse Thaler, Daniel Winklehner, Lindley Winslow

Research output: Contribution to journalArticlepeer-review


The axion is a promising dark matter candidate, which was originally proposed to solve the strong-CP problem in particle physics. To date, the available parameter space for axion and axionlike particle dark matter is relatively unexplored, particularly at masses ma1 μeV. ABRACADABRA is a new experimental program to search for axion dark matter over a broad range of masses, 10-12ma10-6 eV. ABRACADABRA-10 cm is a small-scale prototype for a future detector that could be sensitive to the QCD axion. In this Letter, we present the first results from a 1 month search for axions with ABRACADABRA-10 cm. We find no evidence for axionlike cosmic dark matter and set 95% C.L. upper limits on the axion-photon coupling between gaγγ<1.4×10-10 and gaγγ<3.3×10-9 GeV-1 over the mass range 3.1×10-10-8.3×10-9 eV. These results are competitive with the most stringent astrophysical constraints in this mass range.

Original languageEnglish (US)
Article number121802
JournalPhysical review letters
Issue number12
StatePublished - Mar 29 2019
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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