Abstract
By63Cu induced reactions on110Cd,108Cd,106Cd,109Ag,107Ag and110Pd targets, new isotopes were searched in the Ir, Os, Re region. Cross bombardments and excitation function measurements were used to identify newα emitting isotopes:170Ir (E α = 6.01 ±0.01 MeV−T 1/2=1.1±0.2s),169Ir (E α =6.11±0.01 MeV−T 1/2=0.4±0.1 s),168Ir (E α =6.22±0.02 MeV,168Os (E α =5.66±0.01 MeV−T 1/2=1.9±0.1 s),167Os (E α =5.84 ±0.01MeV −T 1/2=0.65±0.15s),166Os (E α =6.00±0.02 MeV−T 1/2=0.3 ±0.1 s),165Os (E α =6.20±0.02 MeV),169Re (E α =5.05±0.01 MeV),168Re (5.26±0.01 MeV−T 1/2=5.5 ±0.5 s). Theα-decay measurements are compared to theQ α values obtained from different mass predictions.
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We thank M. Beiner, R.J. Lombard and D. Mas who made mass calculations. Fruitfull discussions with M. Beiner have been much appreciated.
Thanks are also due to the Alice operating staff for their cooperation and to G. Raisbeck for careful reading of the manuscript.
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Cabot, C., Della Negra, S., Deprun, C. et al. Copper ion induced reactions on110-108-106Cd,109-107Ag and110Pd. new rhenium, osmium and iridium isotopes. Z Physik A 287, 71–83 (1978). https://doi.org/10.1007/BF01408363
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DOI: https://doi.org/10.1007/BF01408363