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

Isotope Result

Yield Results for a = 139 m = 0 z = 55

Isotope Properties





Isotope Properties
Cs139g
Half-Life 9.27 m Energy [MeV] 0 Abundance [%]
Spin 7/2+ Mass Exc. [MeV] -80.7011 Decay Mode B-
Atomic Mass 138.913 Binding Energy [MeV] 8.34234 Branching [%] 100

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Cs139g 9.27 m 139.00 Th Re surface ISAC 1.160e+8 details
Cs139g 9.27 m 139.00 U Re surface ISAC 2.273e+8 details
Cs139g 9.27 m 139.00 U FEBIAD ISAC 1.150e+8 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
2014-11-16 Cs139g 139.00 1 9.27 m 1.16e+8 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2011-9-10 Cs139g 139.00 1 9.27 m 3.90e+7 1.9 UCx #2 Re surface ISAC
2008-9-16 Cs139g 139.00 1 9.27 m 5.80e+6 1.5 UO2 #1 Re surface ISAC
2013-9-17 Cs139g 139.00 1 9.27 m 6.37e+8 8 ITW-TM1-UCx#7 Re surface ISAC
2009-12-12 Cs139g 139.00 1 9.27 m 6.10e+4 1.8 UO2 #2 FEBIAD ISAC
2012-7-25 Cs139g 139.00 1 9.27 m 2.30e+8 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 11:49:58 GMT-0800 (Pacific Standard Time)