Canada's particle accelerator centre
Centre canadien d'accélération des particules

Isotope Result

Yield Results for a = 231 m = 0 z = 87

Isotope Properties





Isotope Properties
Fr231g
Half-Life 17.60 s Energy [MeV] 0 Abundance [%]
Spin (1/2+) Mass Exc. [MeV] 42.0644 Decay Mode B-
Atomic Mass 231.045 Binding Energy [MeV] 7.59457 Branching [%] 100

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Fr231g 17.60 s 231.00 U Re surface ISAC 2.000e+3 details

Sorry, no data found.

Date
Isotope/ Isomer
A/q
Charge State
Half-life
Yield [1/s]
p+ Current [μA]
Target
Ion Source
Facility
Comment
2010-12-8 Fr231g 231.00 1 17.60 s 2.00e+3 1.9 UCx #1 Re surface ISAC

(*) Average value of selected yield results, click 'details' to display individual results.



Beam Development





Sorry, no data found.



Records retrieved on Fri Feb 13 2026 11:46:13 GMT-0800 (Pacific Standard Time)