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

Isotope Result

Yield Results for a = 220 m = 0 z = 87

Isotope Properties





Isotope Properties
Fr220g
Half-Life 27.40 s Energy [MeV] 0 Abundance [%]
Spin 1+ Mass Exc. [MeV] 11.4832 Decay Mode A,B-
Atomic Mass 220.012 Binding Energy [MeV] 7.70974 Branching [%] 99.65,0.35

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Fr220g 27.40 s 220.00 Th Re surface ISAC 6.926e+6 details
Fr220g 27.40 s 220.00 U Re surface ISAC 6.207e+7 details
Fr220g 27.40 s 220.00 U FEBIAD ISAC 3.300e+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
2014-11-20 Fr220g 220.00 1 27.40 s 3.98e+6 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-21 Fr220g 220.00 1 27.40 s 5.11e+6 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-22 Fr220g 220.00 1 27.40 s 7.26e+6 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-15 Fr220g 220.00 1 27.40 s 1.39e+7 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-23 Fr220g 220.00 1 27.40 s 4.38e+6 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2014-11-23 Fr220g 220.00 1 27.40 s 2.99e+4 0 ITW-TM1-ThO#1-LP-SIS Re surface ISAC TGHT 230A; protons off since 11:50
2014-11-23 Fr220g 220.00 1 27.40 s 1.23e+5 0 ITW-TM1-ThO#1-LP-SIS Re surface ISAC TGHT 300A; protons off since 11:50
2014-11-23 Fr220g 220.00 1 27.40 s 2.96e+5 0 ITW-TM1-ThO#1-LP-SIS Re surface ISAC TGHT 500A; protons off since 11:50
2014-11-23 Fr220g 220.00 1 27.40 s 1.88e+5 0 ITW-TM1-ThO#1-LP-SIS Re surface ISAC TGHT 580A; protons off since 11:50
2026-1-6 Fr220g 211.00 1 27.40 s 1.46e+8 15 ITE-TM2-UC#51-LP-SIS Re surface ISAC
2016-8-17 Fr220g 220.00 1 27.40 s 2.04e+8 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2016-8-17 Fr220g 220.00 1 27.40 s 1.87e+8 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2025-9-4 Fr220g 220.00 1 27.40 s 1.04e+8 10 ITW-TM4-UC#50-LP-SIS Re surface ISAC
2011-9-11 Fr220g 220.00 1 27.40 s 1.60e+6 1.9 UCx #2 Re surface ISAC
2013-7-15 Fr220g 220.00 1 27.40 s 1.03e+8 8 ITW-TM1-UCx#6 Re surface ISAC
2010-12-8 Fr220g 220.00 1 27.40 s 2.20e+7 1.9 UCx #1 Re surface ISAC
2012-9-2 Fr220g 220.00 1 27.40 s 2.20e+7 9.8 ITW-TM1-UCx04 Re surface ISAC
2012-9-2 Fr220g 220.00 1 27.40 s 6.40e+7 9.8 ITW-TM1-UCx04 Re surface ISAC
2021-6-23 Fr220g 220.00 1 27.40 s 8.72e+5 20 ITE-TM4-UC#32-P2N-SIS Re surface ISAC
2011-12-3 Fr220g 220.00 1 27.40 s 1.00e+7 9.8 UCx #3 Re surface ISAC
2013-9-16 Fr220g 220.00 1 27.40 s 2.67e+7 8 ITW-TM1-UCx#7 Re surface ISAC
2026-1-6 Fr220g 220.00 1 27.40 s 1.16e+8 15 ITE-TM2-UC#51-LP-SIS Re surface ISAC
2020-10-23 Fr220g 220.00 1 27.40 s 2.75e+4 30 ITE-TM4-UC#31-P2N-SIS Re surface ISAC
2012-11-1 Fr220g 220.00 1 27.40 s 3.30e+7 9.8 ITE-TM4-UCx#5 Re surface ISAC
2012-11-1 Fr220g 220.00 1 27.40 s 9.80e+7 9.8 ITE-TM4-UCx#5 Re surface ISAC
2011-9-2 Fr220g 220.00 1 27.40 s 8.59e+5 1.9 UCx #2 Re surface ISAC
2008-9-17 Fr220g 220.00 1 27.40 s 2.70e+4 1.9 UO2 #1 Re surface ISAC
2012-8-1 Fr220g 220.00 1 27.40 s 3.30e+4 9.8 ITE-TM4-UO2#3 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 11:48:29 GMT-0800 (Pacific Standard Time)