Most the the isotope data top top this site has been derived from the national Nuclear Data Center. Please visit their website for much more information.

Isotopes through A Known herbal Abundance


Mass NumberHalf-lifeDecay ModeBranching Percentage
194.0 picosecondsDouble Proton Emission100.00%
2090.8 millisecondsElectron Capture100.00%
Electron capture withdelayed Proton Emission~ 27.00%
21122 millisecondsElectron Capture100.00%
Electron record withdelayed Proton Emission32.60%
Electron capture withdelayed Alpha DecayElectron Capture100.00%
2311.317 secondsElectron Capture100.00%
24STABLE--
25STABLE--
26STABLE--
279.458 minutesBeta-minus Decay100.00%
2820.915 hoursBeta-minus Decay100.00%
291.30 secondsBeta-minus Decay100.00%
30335 millisecondsBeta-minus Decay100.00%
31232 millisecondsBeta-minus degeneration withdelayed ghost Emission1.70%
Beta-minus Decay100.00%
3286 millisecondsBeta-minus Decay100.00%
Beta-minus degeneration withdelayed spirit Emission5.50%
3390.5 millisecondsBeta-minus Decay100.00%
Beta-minus degeneration withdelayed spirit Emission14.00%
3420 millisecondsBeta-minus Decay100.00%
Beta-minus decay withdelayed neutron EmissionNo Data Available
3570 millisecondsBeta-minus Decay100.00%
Beta-minus decay withdelayed neutron Emission52.00%
363.9 millisecondsBeta-minus Decay100.00%
Beta-minus decay withdelayed ghost EmissionNo Data Available
37> 260 nanosecondsBeta-minus Decay100.00%
Beta-minus degeneration withdelayed spirit EmissionNo Data Available
38> 260 nanosecondsBeta-minus DecayNo Data Available
Beta-minus degeneration withdelayed neutron EmissionNo Data Available
39Neutron EmissionNo Data Available
40> 170 nanosecondsBeta-minus DecayNo Data Available
Beta-minus decay withdelayed neutron EmissionNo Data Available