Canada's particle accelerator centre
Centre canadien d'accélération des particules
Centre canadien d'accélération des particules
Isotope Result
Yield Results for a = 139 m = 0 z = 56
Isotope Properties
Isotope Properties
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| Ba139g | |||||
| Half-Life | 1.38 h | Energy [MeV] | 0 | Abundance [%] | |
| Spin | 7/2- | Mass Exc. [MeV] | -84.914 | Decay Mode | B- |
| Atomic Mass | 138.909 | Binding Energy [MeV] | 8.36702 | Branching [%] | 100 |
Yield Data
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Isotope/ Isomer
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Half-life
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A/q
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Target Material
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Ion Source
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Facility
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Yield Results [1/s]
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Individual Results
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Avg. Value
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| Ba139g | 1.38 h | 139.00 | Th | Re surface | ISAC | 5.350e+7 | details |
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Isotope/ Isomer
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Half-life
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A/q
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Target Material
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Ion Source
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Facility
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Yield Results [1/s]
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Individual Results
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Avg. Value
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| Ba139g | 1.38 h | 158.00 | Th | Re surface | ISAC | 7.520e+5 | details |
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Date
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Isotope/ Isomer
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A/q
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Charge State
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Half-life
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Yield [1/s]
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p+ Current [μA]
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Target
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Ion Source
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Facility
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Comment
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|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014-11-16 | Ba139g | 139.00 | 1 | 1.38 h | 5.35e+7 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2014-11-21 | Ba139g | 158.00 | 1 | 1.38 h | 7.52e+5 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | Ba139F19 |
(*) Average value of selected yield results, click 'details' to display individual results.
Beam Development
Records retrieved on Fri Feb 13 2026 11:50:01 GMT-0800 (Pacific Standard Time)