Accelerated electron thermometer: Observation of 1D Planck radiation
Lynch M.H. Ievlev E. Good M.R.R.
1 February 2024Physical Society of Japan
Progress of Theoretical and Experimental Physics
2024#2024Issue 2
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 1D Planck spectrum with a temperature predicted by the moving mirror model. Subject Indices: B50 (Electromagnetic processes and properties), D29 (Nuclear decays and radioactivities (including fission)), and E76 (Quantum field theory on curved space)
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Center for Theoretical Physics, Seoul National University, 1 Gwanak-ro, Gwanak-guc, Seoul, 08826, South Korea
Physics Department, Energetic Cosmos Laboratory, Nazarbayev University, 53 Kabanbay Batyr Ave, Astana, 010000, Kazakhstan
Institute of Communications and Aerospace Engineering, Almaty University of Power Engineering and Telecommunications, Baytursynuli 126/1, Almaty, 050013, Kazakhstan
Theory Division, National Research Centre, Kurchatov Institute, Petersburg Nuclear Physics Institute, 1, mkr. Orlova roshcha Leningradskaya Oblast, Gatchina, 188300, Russian Federation
Leung Center for Cosmology & Particle Astrophysics, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
Center for Theoretical Physics
Physics Department
Institute of Communications and Aerospace Engineering
Theory Division
Leung Center for Cosmology & Particle Astrophysics
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