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Article Dans Une Revue Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Année : 2024

Novel device to study double-alpha decay at the FRS Ion Catcher

Résumé

A novel system has been developed to detect simultaneous double-alpha emission from purified and weightless sources. The system includes the collection of 224Ra low-energy recoils in purified helium buffer gas from the decay of 228Th. The recoil products are thermalized and collected in a cryogenic buffer gas cell and extracted into an RF-ion guide for mass selection. The mass-separated ions are implanted at low kinetic energy into a thin carbon foil placed between two large-area double-sided silicon strip detectors to observe correlated alpha-particle emission. The apparatus is described in detail, including insights into its experimental performance.
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samedi 23 novembre 2024
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hal-04525060 , version 1 (23-05-2024)

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L Varga, H Wilsenach, O Hall, T Dickel, M.P Reiter, et al.. Novel device to study double-alpha decay at the FRS Ion Catcher. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2024, 1063, pp.169252. ⟨10.1016/j.nima.2024.169252⟩. ⟨hal-04525060⟩
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