Arsen As Kernladungszahl Z=33 (p=33) |
| As(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. | As75 | 42 | 74.92159692 | 74.90349378 | 100% | 3/2− | | stabil | | | -73.032E6 | 652.564E6 | 4.09#σ(n.γ) |
2. | As74 | 41 | 73.92392973 | 73.9058266 | | 2− | radioakt. | 17.77d | K/β+=66; β−=34 | 2.563E6(K/β+); 1.353E6(β−) | -70.859E6 | 642.319E6 | |
3. | As73 | 40 | 72.92382485 | 72.90572171 | | 3/2− | radioakt. | 80.342d | K = 100 | 0.341E6 | -70.9567E6 | 634.346E6 | |
4. | As72 | 39 | 71.92675229 | 71.90864916 | | 2− | radioakt. | 26.0h | K/β+=100 | 4.356E& | -68.2298E6 | 623.548E6 | |
5. | As71 | 38 | 70.92711247 | 70.90900933 | | 5/2− | radioakt. | 65.28h | K/β+=100 | 2.013E6 | -67.8943E6 | 615.141E6 | |
6. | As70 | 37 | 69.93092484 | 69.9128217 | | 4+ | radioakt. | 3156 | K/β+=100 | 6.22E6 | -64.3431E6 | 603.518E6 | |
7. | As69 | 36 | 68.93227364 | 68.9141705 | | 5/2− | radioakt. | 912 | K/β+=100 | 4.014E6 | -63.0867E6 | 594.191E6 | |
8. | As68 | 35 | 67.93676932 | 67.91866618 | | 3+ | radioakt. | 151.6 | K/β+=100 | 8.081E6 | -58.899E6 | 581.932E6 | |
9. | As67 | 34 | 66.93918694 | 66.92108381 | | 5/2− | radioakt. | 42.5 | K/β+=100 | 6.01E6 | -56.647E6 | 571.608E6 | |
10. | As66 | 33 | 65.94471001 | 65.92660687 | | 0+ | radioakt. | 95.8E-3 | K/β+=100 | 10.122E6 | -51.5023E6 | 558.392E6 | |
11. | As65 | 32 | 64.94956382 | 64.93146068 | | 3/2− | radioakt. | 128E-3 | ε>0%; pε>0% | 9.434E6(ε); 4.564E6(pε) | -46.981E6 | 545.8E6 | |
12. | As64 | 31 | 63.95757246 | 63.93946932 | | | radioakt. | 18E-3 | ε>0%; pε>0% | 14.828E6(ε); 9.737E6(pε) | -39.521E6 | 530.268E6 | |
13. | As75+1 | 42 | 74.92159692 | 74.90349378 | | 9/2+ | radioakt. | 16.79E-3 | IT=100 | 0.3001280001E6 | -73.032E6 | 652.564E6 | |
14. | As76 | 43 | 75.92239403 | 75.90429089 | | 2− | radioakt. | 1.0778d | ß-=100 | 2.962E6 | -72.2895E6 | 659.893E6 | |
15. | As77 | 44 | 76.92064726 | 76.90254413 | | 3/2− | radioakt. | 38.83h | ß-=100 | 0.682E6 | -73.9166E6 | 669.591E6 | |
16. | As77+1 | 44 | 76.92064726 | 76.90254413 | | 9/2+ | radioakt. | 114E-6 | IT=100 | 0.475E6 | -73.9166E6 | 669.591E6 | |
17. | As78 | 45 | 77.9218273 | 77.90372417 | | 2− | radioakt. | 5442 | ß-=100 | 4.209E6 | -72.8174E6 | 676.563E6 | |
18. | As79 | 46 | 78.92094796 | 78.90284483 | | 3/2− | radioakt. | 540.6 | ß-=100 | 2.281E6 | -73.6365E6 | 685.454E6 | |
19. | As80 | 47 | 79.9225338 | 79.90443067 | | 1+ | radioakt. | 15.2 | ß-=100 | 5.601E6 | -72.1593E6 | 692.048E6 | |
20. | As81 | 48 | 80.9221323 | 80.90402916 | | 3/2− | radioakt. | 33.3 | ß-=100 | 3.856E6 | -72.5333E6 | 700.493E6 | |
21. | As82 | 49 | 81.92450408 | 81.90640094 | | 1+ | radioakt. | 19.1 | ß-=100 | 7.27E6 | -70.324E6 | 706.355E6 | |
22. | As82+1 | 49 | 81.92450408 | 81.90640094 | | 5− | radioakt. | 13.6 | ß-=100 | 7.27E6 | -70.324E6 | 706.355E6 | |
23. | As83 | 50 | 82.92497998 | 82.90687684 | | 3/2− | radioakt. | 13.4 | ß-=100 | 5.46E6 | -69.8807E6 | 713.983E6 | |
24. | As84 | 51 | 83.92905805 | 83.91095492 | | 3− | radioakt. | 3.24 | ß-=99.72; β−n=0.28 | 9.87E6(ß-); 1.187E6(ß-n) | -66.082E6 | 718.256E6 | |
25. | As85 | 52 | 84.93201996 | 84.91391682 | | 3/2− | radioakt. | 2.021 | ß-=40.6; β−n=59.4 | 9.105E6(ß-); 4.557E6(ß-n) | -63.323E6 | 723.568E6 | |
26. | As86 | 53 | 85.93649986 | 85.91839672 | | | radioakt. | 945E-3 | ß-=67; β−n=33 | 11.391E6(ß-); 5.207E6(ß-n) | -59.15E6 | 727.466E6 | |
27. | As87 | 54 | 86.93989978 | 86.92179664 | | 3/2− | radioakt. | 560E-3 | ß-=84.6; β−n=15.4 | 10.599E6(ß-); 6.486E6(ß-n) | -55.983E6 | 732.371E6 | |
28. | As88 | 55 | 87.94494007 | 87.92683693 | | | radioakt. | 300E-9 | ß-=>0; β−n=>0 | 12.59E6(ß-); 7.223E6(ß-n) | -51.288E6 | 735.747E6 | |
29. | As89 | 56 | 88.94938991 | 88.93128677 | | | | 300E-9 | ß-=>0; β−n=>0 | 12.053E6(ß-); 8.664E6(ß-n) | -47.143E6 | 739.673E6 | |
30. | As90 | 57 | 89.95550052 | 89.93739738 | | | radioakt. | 300E-9 | ß-=>0; β−n=>0 | 14.476E6(ß-); 9.674E6(ß-n) | -41.451E6 | 742.053E6 | |
31. | As91 | 58 | 90.96043023 | 90.9423271 | | | radioakt. | 150E-9 | ß-=>0; β−n=>0 | 13.479E6(ß-); 10.997E6(ß-n) | -36.859E6 | 745.532E6 | |
32. | As92 | 59 | 91.96679957 | 91.94869644 | | | radioakt. | 300E-9 | ß-=>0; β−n=>0 | 15.723E6(ß-); 11.341E6(ß-n) | -30.926E6 | 747.67E6 | |