After the volatile Re carbonyl complexes were synthesized and their volatility was studied we performed another experiment to measure their chemical yields when He were used as the carrier gas. The same experimental s...After the volatile Re carbonyl complexes were synthesized and their volatility was studied we performed another experiment to measure their chemical yields when He were used as the carrier gas. The same experimental setups were used except the low temperature isothermal chromatography device[1]. The natGd2O3 target and 23Na7+ion beam were used to produce short-lived Re isotopes, and the Gas-filled Recoil Ion Separator (GARIS) was employed to separate the evaporation residues[2]. High purity He gas and CO gas were used as the mixed gas. The depth of recoil chamber was 100 mm because of the long stop range in He gas, and the gas pressure was around 80 kpa. The total gas flow rate was 1 L/min.展开更多
In the collaboration of RI Applications Team from RIKEN (Japan) and the Nuclear Chemistry Group from IMP (China), the short-lived Re carbonyl complexes were synthesized and investigated. As the lighter homologs of sup...In the collaboration of RI Applications Team from RIKEN (Japan) and the Nuclear Chemistry Group from IMP (China), the short-lived Re carbonyl complexes were synthesized and investigated. As the lighter homologs of superheavy element Bh, Re belongs to period 6, group 7 of the periodic table. Short-lived Re isotopes with half-lives of several minutes were produced in the reactions of natGd(23Na7+, xn) 172?177Re at Nishina center of RIKEN.展开更多
文摘After the volatile Re carbonyl complexes were synthesized and their volatility was studied we performed another experiment to measure their chemical yields when He were used as the carrier gas. The same experimental setups were used except the low temperature isothermal chromatography device[1]. The natGd2O3 target and 23Na7+ion beam were used to produce short-lived Re isotopes, and the Gas-filled Recoil Ion Separator (GARIS) was employed to separate the evaporation residues[2]. High purity He gas and CO gas were used as the mixed gas. The depth of recoil chamber was 100 mm because of the long stop range in He gas, and the gas pressure was around 80 kpa. The total gas flow rate was 1 L/min.
文摘In the collaboration of RI Applications Team from RIKEN (Japan) and the Nuclear Chemistry Group from IMP (China), the short-lived Re carbonyl complexes were synthesized and investigated. As the lighter homologs of superheavy element Bh, Re belongs to period 6, group 7 of the periodic table. Short-lived Re isotopes with half-lives of several minutes were produced in the reactions of natGd(23Na7+, xn) 172?177Re at Nishina center of RIKEN.
