Chrom Cr Kernladungszahl Z=24 (p=24) |
| Cr(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. | Cr52 | 28 | 51.94050848 | 51.92734256 | 83.789% | 0+ | | stabil | | | -55.416E6 | 456.349E6 | 0.86#σ(n.γ) |
2. | Cr53 | 29 | 52.94064943 | 52.92748351 | 9.501% | 3/2− | | stabil | | | -55.2847E6 | 464.289E6 | 18.6#σ(n.γ) |
3. | Cr50 | 26 | 49.94604421 | 49.93287829 | 4.345% | 0+ | radioakt. | 1.3E17a | KK=100 | 1.167E6 | -50.2595E6 | 435.049E6 | 15.4#σ(n.γ) |
4. | Cr54 | 30 | 53.93888045 | 53.92571453 | 2.365% | 0+ | | stabil | | | -56.9325E6 | 474.008E6 | 0.41#σ(n.γ) |
5. | Cr51 | 27 | 50.94476744 | 50.93160152 | | 7/2− | radioakt. | 27.7025d | K=100 | 0.752E6 | -51.4488E6 | 444.31E6 | 7.6^±TSP |
6. | Cr49 | 25 | 48.95133624 | 48.93817032 | | 5/2− | radioakt. | 42.3min | K/β+=100 | 2.626E6 | -45.33E6 | 422.049E6 | 6.1^±TSP |
7. | Cr48 | 24 | 47.9540317 | 47.94086578 | | 0+ | radioakt. | 21.56h | K/β+=100 | 1.656E6 | -42.8192E6 | 411.466E6 | 49^±TSP |
8. | Cr47 | 23 | 46.96290046 | 46.94973454 | | 3/2− | radioakt. | 500E-3 | K/β+=100 | 7.444E6 | -34.55E6 | 395.134E6 | 91^±TSP |
9. | Cr46 | 22 | 45.96835868 | 45.95519276 | | 0+ | radioakt. | 260E-3 | K/β+=100 | 7.599E6 | -29.4737E6 | 381.978E6 | 47^±TSP |
10. | Cr45 | 21 | 44.97964023 | 44.96647432 | | 7/2− | radioakt. | 60.9E-3 | K/β+=65.6; Kp=34.4 | 12.914E6(K/β+); 11.294E6(Kp) | -18.965E6 | 363.398E6 | 14^±TSP |
11. | Cr44 | 20 | 43.98554902 | 43.9723831 | | 0+ | radioakt. | 53E-3 | K/β+=93; Kp=7 | 10.655E6(K/β+); 8.571E6(Kp) | -13.461E6 | 349.823E6 | 83^±TSP |
12. | Cr43 | 19 | 42.99771013 | 42.98454421 | | 3/2+ | radioakt. | 21.6E-3 | K/β+=81; Kp=23; K2p=6 | 15.891E6(K/β+); 15.7E6(Kp); 11.931E6(K2p) | -2.133E6 | 330.424E6 | 88^±TSP |
13. | Cr42 | 18 | 42.00643053 | 41.99326461 | | 0+ | radioakt. | 13E-3 | K/β+>0; Kp>0; Kα>0 | 14.159E6(K/β+); 14.401E6(Kp); 8.502E6(Kα) | 5.99E6 | 314.229E6 | 49^±TSP |
14. | Cr55 | 31 | 54.9408402 | 54.92767428 | | 3/2− | radioakt. | 3.497min | ß-=100 | 2.603E6 | -55.107E6 | 480.253E6 | 51^±TSP |
15. | Cr56 | 32 | 55.94065319 | 55.92748727 | | 0+ | radioakt. | 5.94min | ß-=100 | 1.629E6 | -55.2812E6 | 488.499E6 | 14^±TSP |
16. | Cr57 | 33 | 56.94361306 | 56.93044714 | | 5/2− | radioakt. | 21.1 | ß-=100 | 4.963E6 | -52.5241E6 | 493.813E6 | 21^±TSP |
17. | Cr58 | 34 | 57.94435316 | 57.93118724 | | 0+ | radioakt. | 7 | ß-=100 | 4.072E6 | -51.8347E6 | 501.195E6 | 36^±TSP |
18. | Cr59 | 35 | 58.94858636 | 58.93542044 | | 1/2− | radioakt. | 460E-3 | ß-=100 | 7.588E6 | -47.8915E6 | 505.323E6 | 12^±TSP |
19. | Cr60 | 36 | 59.95007601 | 59.93691009 | | 0+ | radioakt. | 570E-3 | ß-=100 | 6.674E6 | -46.5039E6 | 512.007E6 | 7.3^±TSP |
20. | Cr61 | 37 | 60.95471715 | 60.94155124 | | 1/2− | radioakt. | 270E-3 | β−=100 | 9.375E6 | -42.1807E6 | 515.755E6 | 21^±TSP |
21. | Cr62 | 38 | 61.95661379 | 61.94344787 | | 0+ | radioakt. | 190E-3 | ß-=>0; β−n=>0 | 7.624E6(ß-); 3.07E6(β−n) | -40.414E6 | 522.06E6 | 47^±TSP |
22. | Cr63 | 39 | 62.9618602 | 62.94869428 | | 1/2− | radioakt. | 129E-3 | ß-=>0; β−n=>0 | 10.824E6(ß-); 4.44E6(β−n) | -35.527E6 | 525.244E6 | 31^±TSP |
23. | Cr64 | 40 | 63.96440986 | 63.95124395 | | 0+ | radioakt. | 43E-3 | ß-=>0; β−n=>0 | 9.464E6(ß-); 5.128E6(β−n) | -33.152E6 | 530.94E6 | 64^±TSP |
24. | Cr65 | 41 | 64.97015977 | 64.95699385 | | 1/2− | radioakt. | 27E-3 | ß-=>0; β−n=>0 | 14.645E6(ß-); 6.749E6(β−n) | -27.796E6 | 533.656E6 | 31^±TSP |
25. | Cr66 | 42 | 65.9733804 | 65.96021448 | | 0+ | radioakt. | 10E-3 | ß-=>0; β−n=>0 | 11.458E6(ß-); 9.574E6(β−n) | -24.796E6 | 538.727E6 | 15^±TSP |
26. | Cr67 | 43 | 66.97955006 | 66.96638414 | | | radioakt. | 50E-3 | ß-=>0; β−n=>0 | 14.354E6(ß-); 9.134E6(β−n) | -19.049E6 | 541.051E6 | 8.6^±TSP |