Canada's particle accelerator centre
Centre canadien d'accélération des particules
Centre canadien d'accélération des particules
Isotope Result
Yield Results for a = 219 m = 0 z = 87
Isotope Properties
Isotope Properties
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|||||
|---|---|---|---|---|---|
| Fr219g | |||||
| Half-Life | 20.00 ms | Energy [MeV] | 0 | Abundance [%] | |
| Spin | 9/2- | Mass Exc. [MeV] | 8.61858 | Decay Mode | A |
| Atomic Mass | 219.009 | Binding Energy [MeV] | 7.72117 | 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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| Fr219g | 20.00 ms | 219.00 | Th | Re surface | ISAC | 1.417e+6 | details | |||||
| Fr219g | 20.00 ms | 219.00 | U | Re surface | ISAC | 6.050e+6 | 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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|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014-11-20 | Fr219g | 219.00 | 1 | 20.00 ms | 6.97e+5 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2014-11-21 | Fr219g | 219.00 | 1 | 20.00 ms | 1.38e+6 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2014-11-22 | Fr219g | 219.00 | 1 | 20.00 ms | 1.78e+6 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2014-11-15 | Fr219g | 219.00 | 1 | 20.00 ms | 1.91e+6 | 8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2014-11-23 | Fr219g | 219.00 | 1 | 20.00 ms | 1.32e+6 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2016-8-17 | Fr219g | 219.00 | 1 | 20.00 ms | 7.88e+6 | 9.8 | ITE-TM4-UC#17-LP-SIS | Re surface | ISAC | ||
| 2012-8-26 | Fr219g | 219.00 | 1 | 20.00 ms | 2.00e+6 | 2 | ITW-TM1-UCx04 | Re surface | ISAC | ||
| 2011-9-11 | Fr219g | 219.00 | 1 | 20.00 ms | 6.00e+6 | 1.9 | UCx #2 | Re surface | ISAC | ||
| 2013-7-15 | Fr219g | 219.00 | 1 | 20.00 ms | 8.30e+6 | 8 | ITW-TM1-UCx#6 | Re surface | ISAC | ||
| 2012-9-2 | Fr219g | 219.00 | 1 | 20.00 ms | 8.00e+6 | 9.8 | ITW-TM1-UCx04 | Re surface | ISAC | ||
| 2011-12-3 | Fr219g | 219.00 | 1 | 20.00 ms | 1.81e+6 | 9.8 | UCx #3 | Re surface | ISAC | ||
| 2013-9-16 | Fr219g | 219.00 | 1 | 20.00 ms | 8.72e+6 | 8 | ITW-TM1-UCx#7 | Re surface | ISAC | ||
| 2012-11-1 | Fr219g | 219.00 | 1 | 20.00 ms | 8.20e+6 | 9.8 | ITE-TM4-UCx#5 | Re surface | ISAC | ||
| 2012-11-1 | Fr219g | 219.00 | 1 | 20.00 ms | 8.50e+6 | 9.8 | ITE-TM4-UCx#5 | Re surface | ISAC | ||
| 2011-9-2 | Fr219g | 219.00 | 1 | 20.00 ms | 1.09e+6 | 1.9 | UCx #2 | Re surface | ISAC |
(*) Average value of selected yield results, click 'details' to display individual results.
Beam Development
Records retrieved on Fri Feb 13 2026 11:48:42 GMT-0800 (Pacific Standard Time)