Input interpretation
positron emission | decay constant
Summary
highest | 0.00588 per second (Tm-164) lowest | 3.2×10^-11 per second (Nb-91) median | 1.9×10^-4 per second distribution |
Distribution plots
(decay constant in per second)
Decay constant rankings
1 | Nb-91 | 3.2×10^-11 per second 2 | Pm-144 | 2.21×10^-8 per second 3 | Mn-54 | 2.5703×10^-8 per second 4 | Pm-143 | 3×10^-8 per second 5 | Ir-190 | 6.812×10^-7 per second 6 | Te-117 | 1.9×10^-4 per second 7 | Hf-168 | 4.452×10^-4 per second 8 | Hg-190 | 5.9×10^-4 per second 9 | Xe-119 | 0.002 per second 10 | I-117 | 0.00521 per second 11 | Tm-164 | 0.00588 per second
Decay properties
half-life | median | 62 min | highest | 682 yr (549.6 to 811.9 yr) (Nb-91) | lowest | 120 s (113 to 128 s) (Tm-164) mean lifetime | median | 90 min | highest | 980 yr (792.9 to 1170 yr) (Nb-91) | lowest | 170 s (163 to 183 s) (Tm-164) decay constant | highest | 0.00588 per second (Tm-164) | lowest | 3.2×10^-11 per second (Nb-91) | median | 1.9×10^-4 per second | distribution | specific activity | highest | 2.68×10^7 TBq/g (I-117) | lowest | 210 GBq/g (Nb-91) | median | 950000 TBq/g | distribution | width | median | 1.2×10^-19 eV | highest | 3.8×10^-18 eV (Tm-164) | lowest | 2.13×10^-26 eV (Nb-91)
Units
Unit conversion for highest decay constant 0.00588 per second
0.353 per minute
Corresponding quantities
Lifetime from τ = 1/λ: | 170 seconds | 2.8 minutes
Half-life from t_(1/2) = log(2)/λ: | 118 seconds | 2 minutes