Laser-based conversion electron Mössbauer spectroscopy of ²²⁹ThO₂

www.nature.com

Laser-based conversion electron Mössbauer spectroscopy of ²²⁹ThO₂

www.nature.com

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NatureEnglish · 2 days ago

Nature, Published online: 10 December 2025; doi:10.1038/s41586-025-09776-4

Laser-induced conversion electron Mössbauer spectroscopy, which detects electrons emitted by 229Th nuclei in a thin ThO2 sample excited by vacuum ultraviolet light, is demonstrated, opening the possibility of a conversion-electron-based nuclear clock.

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