Rethinking the QCD axion

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• Luca di Luzio (DESY)
• Thursday 22 October 2020, 16:00-17:00
• Virtual Seminar .

If you have a question about this talk, please contact Joseph Davighi.

Four decades after its prediction the axion remains the most compelling solution to the strong CP problem and a well motivated dark matter candidate, inspiring several ultrasensitive experiments based on axion-photon mixing. After reviewing the axion solution of the strong CP problem and the experimental landscape of axion searches, I will focus on some recent developments in axion model building suggesting that the QCD axion parameter space is much larger than what traditionally thought. The implications for astrophysical limits and current experiments will be discussed as well.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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