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

Isotope Result

Yield Results for a = 138 m = 0 z = 55

Isotope Properties





Isotope Properties
Cs138g
Half-Life 33.41 m Energy [MeV] 0 Abundance [%]
Spin 3- Mass Exc. [MeV] -82.887 Decay Mode B-
Atomic Mass 137.911 Binding Energy [MeV] 8.36014 Branching [%] 100

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Cs138g 33.41 m 138.00 Th Re surface ISAC 1.280e+8 details
Cs138g 33.41 m 138.00 U Re surface ISAC 8.868e+8 details
Cs138g 33.41 m 138.00 U FEBIAD ISAC 1.800e+8 details
Cs138m 2.91 m 138.00 Th Re surface ISAC 8.570e+7 details
Cs138m 2.91 m 138.00 U Re surface ISAC 1.430e+9 details
Cs138m 2.91 m 138.00 U FEBIAD ISAC 1.700e+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 Cs138g 138.00 1 33.41 m 1.28e+8 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2011-9-10 Cs138g 138.00 1 33.41 m 1.30e+7 1.9 UCx #2 Re surface ISAC
2018-6-22 Cs138g 138.00 1 33.41 m 4.09e+9 9.8 ITE-TM4-UC#22-LP-SIS Re surface ISAC
2018-6-22 Cs138g 138.00 1 33.41 m 2.22e+9 9.8 ITE-TM4-UC#22-LP-SIS Re surface ISAC
2016-8-17 Cs138g 138.00 1 33.41 m 8.62e+7 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2016-8-17 Cs138g 138.00 1 33.41 m 1.14e+8 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2008-9-16 Cs138g 138.00 1 33.41 m 6.80e+6 1.5 UO2 #1 Re surface ISAC
2013-9-17 Cs138g 138.00 1 33.41 m 2.84e+8 8 ITW-TM1-UCx#7 Re surface ISAC
2012-11-14 Cs138g 138.00 1 33.41 m 2.80e+8 9.8 ITE-TM4-UCx#5 Re surface ISAC
2012-7-25 Cs138g 138.00 1 33.41 m 1.80e+8 9.8 ITE-TM4-UO2#3 FEBIAD ISAC
2025-6-2 Cs138g 138.00 1 33.41 m 2.32e+5 10 ITE-TM4-UC#48-LP-IGLIS IG-LIS ISAC
2014-11-16 Cs138m 138.00 1 2.91 m 8.57e+7 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2011-9-10 Cs138m 138.00 1 2.91 m 4.30e+7 1.9 UCx #2 Re surface ISAC
2018-6-22 Cs138m 138.00 1 2.91 m 3.89e+9 9.8 ITE-TM4-UC#22-LP-SIS Re surface ISAC
2018-6-22 Cs138m 138.00 1 2.91 m 3.36e+9 9.8 ITE-TM4-UC#22-LP-SIS Re surface ISAC
2018-6-22 Cs138m 138.00 1 2.91 m 4.10e+9 9.8 ITE-TM4-UC#22-LP-SIS Re surface ISAC
2016-8-17 Cs138m 138.00 1 2.91 m 2.65e+7 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2016-8-17 Cs138m 138.00 1 2.91 m 1.35e+8 9.8 ITE-TM4-UC#17-LP-SIS Re surface ISAC
2008-9-16 Cs138m 138.00 1 2.91 m 1.60e+6 1.5 UO2 #1 Re surface ISAC
2013-9-17 Cs138m 138.00 1 2.91 m 5.88e+8 8 ITW-TM1-UCx#7 Re surface ISAC
2012-11-14 Cs138m 138.00 1 2.91 m 7.30e+8 9.8 ITE-TM4-UCx#5 Re surface ISAC
2012-7-25 Cs138m 138.00 1 2.91 m 1.70e+8 9.8 ITE-TM4-UO2#3 FEBIAD ISAC
2025-6-2 Cs138m 138.00 1 2.91 m 2.98e+5 10 ITE-TM4-UC#48-LP-IGLIS IG-LIS 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 11:48:39 GMT-0800 (Pacific Standard Time)