Isomer separation of Cu and Cu with a resonance ionization laser ion source
作者： U Köster , V.N Fedoseyev , V.I Mishin , L Weissman , M Huyse
DOI: 10.1016/S0168-583X(99)00552-2
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摘要: Abstract Radioactive copper isotopes were ionized with the resonance ionization laser ion source (RILIS) at on-line isotope separator ISOLDE (CERN). Using different hyperfine structure in 3d10 4s 2 S1/2 – 3d10 4p P01/2 transition low- and high-spin isomers of 70 Cu selectively enhanced by tuning wavelength. The light was provided a narrow-bandwidth dye pumped vapor lasers (CVL) frequency doubled BBO crystal. ground state to isomeric intensity ratio could be varied factor 30, allowing assign gamma transitions unambiguously decay individual isomers. It is shown that method can also used determine magnetic moments. In first experiment for 1+ moment (+)1.8(3) μN isomer (±)1.2(3) deduced.
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