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

Isotope Result

Yield Results for a = 204 m = 0 z = 86

Isotope Properties





Isotope Properties
Rn204g
Half-Life 1.24 m Energy [MeV] 0 Abundance [%]
Spin 0+ Mass Exc. [MeV] -7.98298 Decay Mode A,EC+B+
Atomic Mass 203.991 Binding Energy [MeV] 7.78064 Branching [%] 72.4,27.6

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Rn204g 1.24 m 204.00 U FEBIAD ISAC 1.202e+6 details
Rn204g 1.24 m 204.00 U CTL-FEBIAD ISAC 2.120e+4 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
2009-12-11 Rn204g 204.00 1 1.24 m 3.60e+3 1.8 UO2 #2 FEBIAD ISAC
2012-8-2 Rn204g 204.00 1 1.24 m 2.40e+6 9.8 ITE-TM4-UO2#3 FEBIAD ISAC
2018-9-11 Rn204g 204.00 1 1.24 m 2.12e+4 9.8 ITW-TM2-UC#23-LP-FEBIAD-CTL CTL-FEBIAD 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 11:48:41 GMT-0800 (Pacific Standard Time)