Presented By: Department of Physics
HEP-Astro Seminar | Axions, Direction Detection, and ABRACADABRA
Joshua Foster (U-M Physics)
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 axion-like particle dark matter is relatively unexplored, particularly at axion masses less than 1 mu eV. ABRACADABRA is a new experimental program to search for axion dark matter over a broad range of masses, 10−12 < m_a <10−6 eV, and ABRACADABRA-10 cm is a small-scale prototype for a future detector that could be sensitive to the QCD axion. Recently, a one-month data collection with ABRACADABRA-10 cm lead to the first results in the search for axion dark matter by the ABRACADABRA collaboration. In this talk, I will: review the theoretical and experimental status of axion physics; describe the construction of the ABRACADABRA-10 cm detector, the data collection, and the analysis leading to new laboratory-based constraints on the axion; and discuss future prospects for the ABRACADABRA program.
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