Canada's particle accelerator centre
Centre canadien d'accélération des particules
Centre canadien d'accélération des particules
Isotope Result
Yield Results for a = 121 m = 0 z = 55
Isotope Properties
Isotope Properties
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|---|---|---|---|---|---|
| Cs121g | |||||
| Half-Life | 2.58 m | Energy [MeV] | 0 | Abundance [%] | |
| Spin | 3/2(+) | Mass Exc. [MeV] | -77.1023 | Decay Mode | EC+B+ |
| Atomic Mass | 120.917 | Binding Energy [MeV] | 8.35291 | 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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| Cs121g | 2.58 m | 121.00 | Ta | Re surface | ISAC | 1.550e+6 | details | |||||
| Cs121g | 2.58 m | 121.00 | Th | Re surface | ISAC | 3.000e+4 | details | |||||
| Cs121m | 2.03 m | 121.00 | Ta | Re surface | ISAC | 1.950e+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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|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023-11-16 | Cs121g | 121.00 | 1 | 2.58 m | 2.31e+5 | 20 | ITW-TM2-Ta#66-LP-SIS | Re surface | ISAC | ||
| 2005-8-1 | Cs121g | 121.00 | 1 | 2.58 m | 1.30e+6 | 35 | Ta #15 | Re surface | ISAC | ||
| 2009-7-15 | Cs121g | 121.00 | 1 | 2.58 m | 1.80e+6 | 70 | Ta #28 HP | Re surface | ISAC | ||
| 2014-11-16 | Cs121g | 121.00 | 1 | 2.58 m | 3.00e+4 | 9.8 | ITW-TM1-ThO#1-LP-SIS | Re surface | ISAC | ||
| 2005-8-1 | Cs121m | 121.00 | 1 | 2.03 m | 1.70e+6 | 35 | Ta #15 | Re surface | ISAC | ||
| 2009-7-15 | Cs121m | 121.00 | 1 | 2.03 m | 2.20e+6 | 70 | Ta #28 HP | Re surface | ISAC |
(*) Average value of selected yield results, click 'details' to display individual results.
Beam Development
Records retrieved on Fri Feb 13 2026 11:48:40 GMT-0800 (Pacific Standard Time)