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Comparison of Mössbauer-relevant nuclear properties for 57Fe and 61Ni.
| abundance (%) | E (keV) | t1/2 (ns) | 2Γ (mm*s−1) | Ig | Ie | αt | μg (n.m.) | μe (n.m.) | Qg (barn) | Qe (barn) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57Fe | 2.14 | 14.41 | 97.81 | 0.194 | 1/2− | 3/2− | 8.21 | 0.0906 | −0.155 | -- | 0.16 |
| 61Ni | 1.19 | 67.40 | 5.27 | 0.77 | 3/2− | 5/2− | 0.12 | −0.749 | 0.481 | 0.162 | −0.2 |
