University of Birmingham > Talks@bham > Astrophysics Talks Series > The ADMX search for QCD axions in the Galactic halo

The ADMX search for QCD axions in the Galactic halo

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If you have a question about this talk, please contact Sean McGee.

Axions are a sometimes-neglected candidate solution to the dark matter problem. They don’t require any new physics at the electroweak scale, and their existence would complete the standard model by explaining the observed conservation of CP in the strong interations. Detecting axions is not easy because their couplings to more conventional particles are feeble, but since 1994 the ADMX experiment has been searching for axions with a very sensitive and beautiful detector based on an RF frequency cryogenic electromagnetic resonator and the worlds lowest noise AM radio! Sheffield has collaborated on ADMX since 2007. I will summarise both the experiment in general, as it approaches the beginning of it’s new run, and on Sheffield work to solve the long-standing problem of how an RF resonator can be tuned over a very large range of resonant frequencies.

This talk is part of the Astrophysics Talks Series series.

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