Nonlinear plasma waves as sources of axion-like particles

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• Adam Noble (University of Strathclyde, Glasgow)
• Friday 16 November 2018, 16:00-17:00
• Ryle Seminar Room no. 930, Rutherford Building, Cavendish Laboratory.

If you have a question about this talk, please contact Francesco Coradeschi.

Many well-motivated extensions of the Standard Model of particle physics predict a range of light (pseudo-)scalar particles, commonly known as axion-like particles (ALPs) which could be viable candidates for dark matter. Although most efforts to observe ALPs concentrate on astrophysical sources, there is growing interest in laboratory-based searches. The low mass and weak coupling of such particles makes them unsuitable for detection in traditional accelerator-collider experiments, but ideal for production in the strong fields supported in plasma waves. By analysing the ALP -plasma system, we find that currently available plasma accelerators could produce an ALP flux density comparable to that of solar ALPs at Earth’s surface.

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

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