Abstract
The yield of 18 ion beams of radioactive gold nuclei produced in the thick uranium target at ISOLDE (CERN) by 1.4-GeV protons was measured. The production-efficiency dependence on the half-life (efficiency curve) was derived using the in-target production calculations by the FLUKA-CERN code. The irregularities in the efficiency curve for long-lived high-spin gold isomers (187,191,193Aum) were found. Three release models were tested for the efficiency-curve description.
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Barzakh, A. E., Andreyev, A. N., Atanasov, D., Cubiss, J. G., Harding, R. D., Al Monthery, M., … Zuber, K. (2022). Producing gold at ISOLDE-CERN. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 513, 26–32. https://doi.org/10.1016/j.nimb.2021.12.011
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