Accelerated electron thermometer: observation of 1D Planck radiation

Abstract

We report on the observation of thermal photons from an accelerated electron via examination of radiative beta decay of free neutrons measured by the RDK II collaboration. The emitted photon spectrum is shown to corroborate a thermal distribution consistent with the dynamical Casimir effect. Supported by a robust chi-squared statistic, we find the photons reside in a one-dimensional Planck spectrum with a temperature predicted by the moving mirror model.

17 pages, 6 figures: Accepted for publication at Progress of Theoretical and Experimental Physics

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• Thermal Larmor radiation
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• Electron-mirror duality and thermality
• Classical Acceleration Temperature (CAT) in a Box
• On the Unruh effect for hyperbolic observers in spacetimes of maximal proper acceleration
• Through the Looking-Glass, and What AdS Found There: quantum particle production with a Whittaker spectrum