Abstract
The230Ra has been produced via232Th-2p reaction induced by 60 MeV/u18O ion irradiation of natural thorium. The radium was radiochemically separated from the mixture of thorium and reaction products. Thin Ra sources in which230Ac was got through\(^{230} Ra\xrightarrow{{\beta ^ - }}^{230} \)Ac were prepared for observing fission fragments from β-delayed fission of230Ac. The sources were exposed to the mica fission track detectors and measured by the HPGe γ detector. The precursor230Ac was identified by means of observed two fission events as well as γ spectra, and the β-delayed fission probability of230Ac was obtained to be (1.19 ± 0.85) × 10-8.
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