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29 March 2023 to 1 April 2023
UCLA
US/Pacific timezone

MADMAX: post-inflationary axion dark matter search

1 Apr 2023, 09:15
15m
PAB- 1-425 (UCLA)

PAB- 1-425

UCLA

UCLA Department of Physics and Astronomy 475 Portola Plaza, Los Angeles, CA 90095

Speaker

Chang Lee (Max Planck Society (DE))

Description

Latest lattice-QCD simulations predict dark matter axions with a mass around 100 μeV if the Peccei-Quinn symmetry was broken after cosmic inflation. This mass range, however, is hardly explored by the current experiments. This talk will introduce a novel traveling-wave-based detector, the dielectric haloscope, to increase sensitivity to the suggested mass range. The MADMAX collaboration aims to realize the novel concept. I will report the status of the MADMAX experiment, with a special focus on the hidden-photon search using a proof-of-principle dielectric haloscope.

Primary author

Chang Lee (Max Planck Society (DE))

Presentation materials