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

Isotope Result

Yield Results for a = 123 m = 0 z = 55

Isotope Properties





Isotope Properties
Cs123g
Half-Life 5.88 m Energy [MeV] 0 Abundance [%]
Spin 1/2+ Mass Exc. [MeV] -81.0436 Decay Mode EC+B+
Atomic Mass 122.913 Binding Energy [MeV] 8.38038 Branching [%] 100

Yield Data





Isotope/ Isomer
Half-life
A/q
Target Material
Ion Source
Facility
Yield Results [1/s]
Individual Results
Avg. Value
Cs123g 5.88 m 123.00 Ta Re surface ISAC 6.267e+7 details
Cs123g 5.88 m 123.00 Th Re surface ISAC 2.460e+5 details
Cs123g 5.88 m 123.00 U Re surface ISAC 7.660e+4 details
Cs123m 1.64 s 123.00 Ta Re surface ISAC 3.400e+6 details
Cs123m 1.64 s 123.00 U Re surface ISAC 1.600e+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
2009-4-28 Cs123g 123.00 1 5.88 m 7.90e+7 40 Ta #27 Re surface ISAC
2011-8-27 Cs123g 123.00 1 5.88 m 5.30e+7 50 Ta #36 Re surface ISAC
2006-4-1 Cs123g 123.00 1 5.88 m 5.60e+7 35 Ta #17 Re surface ISAC
2014-11-16 Cs123g 123.00 1 5.88 m 2.46e+5 9.8 ITW-TM1-ThO#1-LP-SIS Re surface ISAC
2011-9-10 Cs123g 123.00 1 5.88 m 9.70e+4 1.9 UCx #2 Re surface ISAC
2008-9-16 Cs123g 123.00 1 5.88 m 2.80e+3 1.5 UO2 #1 Re surface ISAC
2013-9-17 Cs123g 123.00 1 5.88 m 1.30e+5 8 ITW-TM1-UCx#7 Re surface ISAC
2009-4-28 Cs123m 123.00 1 1.64 s 1.10e+6 40 Ta #27 Re surface ISAC
2006-4-1 Cs123m 123.00 1 1.64 s 5.70e+6 35 Ta #17 Re surface ISAC
2011-9-10 Cs123m 123.00 1 1.64 s 1.60e+5 1.9 UCx #2 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 11:49:54 GMT-0800 (Pacific Standard Time)