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Ion Traps for Nuclear Decay Studies: a design for a handheld Electron Beam Ion Trap (EBIT)

HNPS Advances in Nuclear Physics vol. 29 (HNPS2022)
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Published: May 5, 2023
DOI: https://doi.org/10.12681/hnpsanp.5186
Keywords:
Astrophysics Plasma Physics, EBIT, Nuclear Decay EBIT Nuclear Decay
Agatino Musumarra
University of Catania, Department of Physics and Astronomy Via S. Sofia 64, I-95123 Catania, Italy
https://orcid.org/0000-0002-5766-9069
Cristian Massimi
Istituto Nazionale di Fisica Nucleare (INFN) Via Enrico Fermi 54, I-00044 Frascati (Rome) Italy
https://orcid.org/0000-0003-2499-5586
Maria Grazia Pellegriti
University of Bologna, Department of Physics and Astronomy Via Irnerio 46, I-40126 Bologna, Italy
Francesco Leone
Istituto Nazionale di Astrofisica, Osservatorio Astrofisico di Catania, Via S. Sofia 68, I-95123 Catania, Italy
https://orcid.org/0000-0001-7626-3788
Abstract

Nuclear decay studies of ionized species are of paramount importance in many astrophysical scenarios: from Big-Bang Nucleosynthesis to cosmochronometer. Recently, new facilities, able to investigate nuclear decay in hot plasma, have been conceived and their design is in progress. Anyhow, the use of hot plasma in ECR traps intrinsically exhibits limitation due the high level of background and, on the other side, the necessity to push at the limit the ECR technology to get large plasma density and temperature. Here we report about a different approach, involving the design of an ultra-compact Electron Beam Ion Trap (m-EBIT) able to perform nuclear decay studies for high charge-state ions confined in cold plasma. A preliminary design of the trap, assembly and magnetic field characterization is presented.

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