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Updated: Jan 10, 2026

Constructing a Low-budget Laser Axotomy System to Study Axon Regeneration in C. elegans
Published on: November 15, 2011
Proposal to Use Laser-Accelerated Electrons to Probe the Axion-Electron Coupling
Georgios Vacalis1, Atsushi Higuchi2, Robert Bingham3,4
1University of Oxford, Department of Physics, Parks Road, Oxford OX1 3PU, United Kingdom.
Abstract:
The axion is a hypothetical particle associated with a possible solution to the strong CP problem and is a leading candidate for dark matter. In this Letter we investigate the emission of axions by accelerated electrons. We find the emission probability and energy within the WKB approximation for an electron accelerated by an electromagnetic field. As an application, we estimate the number of axions produced by electrons accelerated using two counterpropagating high-intensity lasers and discuss how they would be converted to photons to be detected. We find that, under realistic experimental conditions, competitive model-independent bounds on the coupling between the axion and the electron could be achieved in such an experiment.
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