Eisen Fe Kernladungszahl Z=26 (p=26) |
| Fe(n+p) | n | Schwere Isotop | Schwere Kern | Häufig- keit | Spin/ Parität | Stabilität | Halbwerts- zeit [s] | Zerfalls- arten | Zerfalls- energie [eV] | Defekt- energie [eV] | Bindungs- energie [eV] | Wirkungsquer- schnitt [barn] |
|
1. | Fe56 | 30 | 55.93493743 | 55.92067435 | 91.72% | 0+ | | stabil | | | -60.6054E6 | 492.259E6 | 2.59#σ(n.γ) |
2. | Fe54 | 28 | 53.93961099 | 53.92534791 | 5.8% | 0+ | radioakt. | 31E21a | KK=100 | 0.68E6 | -56.252E6 | 471.762E6 | 2.56#σ(n.γ) |
3. | Fe57 | 31 | 56.935394 | 56.92113093 | 2.2% | 1/2− | | stabil | | | -60.1801E6 | 499.905E6 | 2.48#σ(n.γ) |
4. | Fe58 | 32 | 57.93327558 | 57.9190125 | 0.28% | 0+ | | stabil | | | -62.1534E6 | 509.949E6 | 1.32#σ(n.γ) |
5. | Fe55 | 29 | 54.93829375 | 54.92403068 | | 3/2− | radioakt. | 2.73a | K=100 | 0.231E6 | -57.479E6 | 481.061E6 | 78^±TSP |
6. | Fe53+1 | 27 | 52.94530797 | 52.93104489 | | 19/2− | radioakt. | 2.58min | IT=100 | 3.040E6 | -50.9453E6 | 458.384E6 | 4.4^±TSP |
7. | Fe53 | 27 | 52.94530797 | 52.93104489 | | 7/2− | radioakt. | 8.51min | K/β+=100 | 3.742E6 | -50.9453E6 | 458.384E6 | 92^±TSP |
8. | Fe52+1 | 26 | 51.94811454 | 51.93385146 | | 12+ | radioakt. | 45.9 | K/β+=100 | 9.192E6 | -48.331E6 | 447.699E6 | 82^±TSP |
9. | Fe52 | 26 | 51.94811454 | 51.93385146 | | 0+ | radioakt. | 8.275h | K/β+=100 | 2.374E6 | -48.331E6 | 447.699E6 | 0.21^±TSP |
10. | Fe51 | 25 | 50.95681958 | 50.94255651 | | 5/2− | radioakt. | 305E-3 | K/β+=100 | 8.019E6 | -40.2223E6 | 431.519E6 | 0.8^±TSP |
11. | Fe50 | 24 | 49.96298903 | 49.94872595 | | 0+ | radioakt. | 155E-3 | K/β+=100 | 8.156E6 | -34.4755E6 | 417.701E6 | 5.0^±TSP |
12. | Fe49 | 23 | 48.97361014 | 48.95934706 | | 7/2− | radioakt. | 64.7E-3 | K/β+=44.3; Kp=56.7 | 13.033E6(K/β+); 10.948E6(Kp) | -24.582E6 | 399.736E6 | 35±^TSP |
13. | Fe48 | 22 | 47.98050444 | 47.96624136 | | 0+ | radioakt. | 44E-3 | K/β+=96.4; Kp=3.6 | 11.163E6(K/β+); 9.109E6(Kp) | -18.16E6 | 385.243E6 | 0.4999^±TSP |
14. | Fe47 | 21 | 46.99288992 | 46.97862684 | | 7/2− | radioakt. | 21.8E-3 | K/β+=98; Kp>0; K2p>0 | 15.64E6(K/β+); 15.562E6(Kp); 10.678E6(K2p) | -6.623E6 | 365.634E6 | 47^±TSP |
15. | Fe46 | 20 | 46.00081053 | 45.98654745 | | 0+ | radioakt. | 12E-3 | K/β+=64; Kp=36 | 13.125E6(K); 12.431E6(Kp) | 0.755E6 | 350.185E6 | 54^±TSP |
16. | Fe45 | 19 | 45.01457766 | 45.00031458 | | 3/2+ | radioakt. | 1.9E-3 | p=57; β+/K=43 | 18.693E6(p); 19.751E6(β+/K) | 13.579E6 | 329.29E6 | 8.2^±TSP |
17. | Fe59 | 33 | 58.93487548 | 58.9206124 | | 3/2− | radioakt. | 44.503d | ß-=100 | 1.565E6 | -60.6631E6 | 516.53E6 | 92^±TSP |
18. | Fe60 | 34 | 59.93407172 | 59.91980864 | | 0+ | radioakt. | 2.6E6a | ß-=100 | 0.237E6 | -61.4118E6 | 525.35E6 | 76^±TSP |
19. | Fe61 | 35 | 60.93674527 | 60.9224822 | | 5/2− | radioakt. | 5.98min | ß-=100 | 3.977E6 | -58.9214E6 | 530.931E6 | 23^±TSP |
20. | Fe62 | 36 | 61.93676825 | 61.92250517 | | 0+ | radioakt. | 68 | ß-=100 | 2.531E6 | -58.9E6 | 538.981E6 | 62^±TSP |
21. | Fe63 | 37 | 62.94036913 | 62.92610605 | | 5/2− | radioakt. | 6.1 | ß-=100 | 6.295E6 | -55.5458E6 | 543.698E6 | 34±^TSP |
22. | Fe64 | 38 | 63.94120198 | 63.92693891 | | 0+ | radioakt. | 2 | ß-=100 | 5.022E6 | -54.77E6 | 550.994E6 | 39^±TSP |
23. | Fe65 | 39 | 64.94538033 | 64.93111725 | | 5/2+ | radioakt. | 1.3 | ß-=100 | 8.292E6 | -50.8779E6 | 555.173E6 | 99^±TSP |
24. | Fe66 | 40 | 65.94678066 | 65.93251758 | | 0+ | radioakt. | 440E-3 | ß-=100 | 6.538E6 | -49.5735E6 | 561.94E6 | 0.33^±TSP |
25. | Fe67 | 41 | 66.95094762 | 66.93668454 | | 5/2− | radioakt. | 600E-3 | ß−=100 | 9.369E6 | -45.692E6 | 566.13E6 | 13^±TSP |
26. | Fe68 | 42 | 67.95369997 | 67.93943689 | | 0+ | radioakt. | 187E-3 | ß-=100 | 8.2222E6 | -43.1282E6 | 571.637E6 | 52^±TSP |
27. | Fe69 | 43 | 68.9587802 | 68.94451712 | | 1/2− | radioakt. | 109E-3 | ß−=100 | 11.607E6 | -38.396E6 | 574.976E6 | 8.2^±TSP |
28. | Fe70 | 44 | 69.96145976 | 69.94719669 | | 0+ | radioakt. | 94E-3 | ß-=100 | 9.743E6 | -35.9E6 | 580.552E6 | 93^±TSP |
29. | Fe71 | 45 | 70.96672013 | 70.95245705 | | 7/2+ | radioakt. | <150E-9 | ß-=>0; β−n=>0 | 12.873E6(ß-); 6.572E6(β−n) | -31E6 | 583.723E6 | 26^±TSP |
30. | Fe72 | 46 | 71.96961977 | 71.9553567 | | 0+ | radioakt. | <150E-9 | ß-=>0; β−n=>0 | 11.001E6(ß-); 7.503E6(β−n) | -28.299E6 | 589.093E6 | 89^±TSP |