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

Isotope Result

Yield Results for a = 227 m = 0 z = 87

Isotope Properties





Isotope Properties
Fr227g
Half-Life 2.47 m Energy [MeV] 0 Abundance [%]
Spin 1/2+ Mass Exc. [MeV] 29.6858 Decay Mode B-
Atomic Mass 227.032 Binding Energy [MeV] 7.6407 Branching [%] 100

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Fr227g 2.47 m 227.00 Th Re surface ISAC 1.575e+5 details
Fr227g 2.47 m 227.00 U Re surface ISAC 4.692e+5 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
2014-11-23 Fr227g 227.00 1 2.47 m 1.22e+5 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-15 Fr227g 227.00 1 2.47 m 1.93e+5 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2008-9-17 Fr227g 227.00 1 2.47 m 3.30e+2 1.9 UO2 #1 Re surface ISAC
2015-5-24 Fr227g 227.00 1 2.47 m 1.18e+6 9.7 ITW-TM1-UCx#12-LP-SIS Re surface ISAC
2010-12-8 Fr227g 227.00 1 2.47 m 3.70e+5 1.9 UCx #1 Re surface ISAC
2011-12-3 Fr227g 227.00 1 2.47 m 1.20e+5 9.8 UCx #3 Re surface ISAC
2013-9-16 Fr227g 227.00 1 2.47 m 1.62e+5 8 ITW-TM1-UCx#7 Re surface ISAC
2013-9-16 Fr227g 227.00 1 2.47 m 2.72e+5 8 ITW-TM1-UCx#7 Re surface ISAC
2015-5-24 Fr227g 227.00 1 2.47 m 1.18e+6 9.7 ITW-TM1-UCx#12-LP-SIS 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 11:47:41 GMT-0800 (Pacific Standard Time)