Kalium K Kernladungszahl Z=19 (p=19) |
| K(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. | K39 | 20 | 38.96370669 | 38.95328367 | 93.258% | 3/2+ | | stabil | | | -33.807E6 | 333.724E6 | 2.12#σ(n.γ); 4.3E-3#σ(n.α) |
2. | K41 | 22 | 40.96182584 | 40.95140282 | 6.7302% | 3/2+ | | stabil | | | -35.559E6 | 351.619E6 | 1.46#σ(n.γ) |
3. | K40 | 21 | 39.96399848 | 39.95357546 | 0.0117% | 4- | radioakt. | 1.277E9 a | β−=89.28; K/β+=10.72 | 1.311E6(β−); 1.505E6(K/β+) | -33.5352E6 | 341.524E6 | 30#σ(n.γ); 4.4#σ(n.p); 0.39#σ(n.α) |
4. | K38 | 19 | 37.96908193 | 37.95865891 | | 3+ | radioakt. | 7.636min | K/β+=100 | 5.914E6 | -28.8E6 | 320.646E6 | |
5. | K37 | 18 | 36.97337589 | 36.96295287 | | 3/2+ | radioakt. | 1.226 | K/β+=100 | 6.147E6 | -24.8002E6 | 308.575E6 | |
6. | K36 | 17 | 35.9812922 | 35.97086919 | | 2+ | radioakt. | 342E-3 | K/β+=99.916; Kp=0.05; Kα=3.4E-3 | 12.805E6(K/β+); 4.298E6(Kp); 6.164E6(Kα) | -17.4262E6 | 293.129E6 | |
7. | K35 | 16 | 34.98801066 | 34.97758764 | | 3/2+ | radioakt. | 178E-3 | K/β+=99.63; Kp=0.37 | 11.879E6(K/β+); 5.982E6(Kp) | -11.168E6 | 278.8E6 | |
8. | K34 | 15 | 33.99841008 | 33.98798706 | | 1+ | radioakt. | 25E-9 | p=100 | 0.614E6 | -1.481E6 | 261.041E6 | |
9. | K33 | 14 | 33.00726038 | 32.99683736 | | 3/2+ | radioakt. | 25E-9 | p=100 | 1.674E6 | 6.763E6 | 244.726E6 | |
10. | K42 | 23 | 41.96240276 | 41.95197975 | | 2- | radioakt. | 12.360h | ß-=100 | 3.526E6 | -35.0216E6 | 359.153 | |
11. | K43 | 24 | 42.96071558 | 42.95029256 | | 3/2+ | radioakt. | 22.3h | ß-=100 | 1.815E6 | -36.5932E6 | 368.796E6 | |
12. | K44 | 25 | 43.96155681 | 43.95113379 | | 2- | radioakt. | 1328 | ß-=100 | 5.658E6 | -35.8096E6 | 376.083E6 | |
13. | K45 | 26 | 44.96069969 | 44.95027668 | | 3/2+ | radioakt. | 1069 | ß-=100 | 4.203E6 | -36.608E6 | 384.953E6 | |
14. | K46 | 27 | 45.96197689 | 45.95155387 | | 2− | radioakt. | 105 | ß-=100 | 7.717E6 | -35.4183E6 | 391.835E6 | |
15. | K47 | 28 | 46.96167877 | 46.95125575 | | 1/2+ | radioakt. | 17.50 | ß-=100 | 6.644E6 | -35.696E6 | 400.184E6 | |
16. | K48 | 29 | 47.96551357 | 47.95509056 | | 2− | radioakt. | 6.8 | ß-=98.86; β−n=1.14 | 12.09E6(β−); 2.145E6(β−n) | -32.1239E6 | 404.683E6 | |
17. | K49 | 30 | 48.96745121 | 48.9570282 | | 3/2+ | radioakt. | 1.26 | ß-=14; β−n=86 | 10.97E6(β−); 5.824E6(β−n) | -30.319E6 | 410.949E6 | |
18. | K50 | 31 | 49.9727834 | 49.96236038 | | 2− | radioakt. | 472E-3 | β−=71; β−n=29 | 14.219E6(β−); 7.866E6(β−n) | -25.3521E6 | 414.054E6 | |
19. | K51 | 32 | 50.97637988 | 50.96595686 | | 3/2+ | radioakt. | 365E-3 | ß-=53; β−n=47 | 13.861E6(β−); 9.497E6(β−n) | -22.002E6 | 418.775E6 | |
20. | K52 | 33 | 51.98260966 | 51.97218664 | | 2− | radioakt. | 105E-3 | ß-=<36; β−n=<64; β−2n>0 | 16.31E6(ß-); 11.593E6(β−n); 7.229E6(β−2n) | -16.199E6 | 421.043E6 | |
21. | K53 | 34 | 52.98711962 | 52.9766966 | | 3/2+ | radioakt. | 30E-3 | ß-=16; β−n=67; β−2n=17 | 15.9E6(ß-); 12.44E6(β−n); 7.723E6(β−2n) | -11.998E6 | 424.913E6 | |
22. | K54 | 35 | 53.99419964 | 53.98377662 | | 2− | radioakt. | 10E-3 | ß->0; β−n>0; β−2n>0 | 18.49E6(ß-); 14.424E6(β−n); 10.963E6(β−2n) | -5.403E6 | 426.39E6 | |
23. | K55 | 36 | 54.99971014 | 54.98928712 | | 3/2+ | radioakt. | 3E-3 | ß->0; β−n>0; β−2n>0 | 17.848E6(ß-); 15.552E6(β−n); 11.485E6(β−2n) | -0.27E6 | 429.328E6 | |
24. | K38+1 | 19 | 37.96908193 | 37.95865891 | | 0+ | radioakt. | 923.9E-3 | K/β+=100 | 6.043E6 | -28.8E6 | 320.646E6 | |