Strontium Sr Kernladungszahl Z=38 (p=38) |
| Sr(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. | Sr88 | 50 | 87.90561217 | 87.88476613 | 82.58% | 0+ | | stabil | | | -87.9217E6 | 768.469E6 | 0.58#σ(n.γ) |
2. | Sr86 | 48 | 85.90926018 | 85.88841414 | 9.86% | 0+ | | stabil | | | -84.5236E6 | 748.928E6 | 0.23#σ(n.γ); 0.77#σ(n.it) |
3. | Sr87 | 49 | 86.90887714 | 86.8880311 | 7% | 9/2+ | | stabil | | | -84.8804E6 | 757.356E6 | 17#σ(n.γ) |
4. | Sr84 | 46 | 83.91342532 | 83.89257928 | 0.56% | 0+ | | stabil | | | -80.6438E6 | 728.906E6 | 0.199#σ(n.γ); 0.623#σ(n.it) |
5. | Sr85 | 47 | 84.91293342 | 84.89208738 | | 9/2+ | radioakt. | 5.602176E6 | K=100 | 1.065E6 | -81.102E6 | 737.435E6 | |
6. | Sr83 | 45 | 82.91755717 | 82.89671114 | | 7/2+ | radioakt. | 0.116676E-6 | K/β+=100 | 2.279E6 | -76.795E6 | 716.986E6 | |
7. | Sr82 | 44 | 81.91840162 | 81.89755559 | | 0+ | radioakt. | 2.206800158324E6 | K=100 | 0.180E6 | -76.0084E6 | 708.128E6 | |
8. | Sr81 | 43 | 80.92321185 | 80.90236582 | | 1/2− | radioakt. | 1.338E3 | K/β+=100 | 3.927E6 | -71.5277E6 | 695.576E6 | |
9. | sr80 | 42 | 79.92452126 | 79.90367522 | | 0+ | radioakt. | 2.520181E5 | K/β+=100 | 1.868E6 | -70.308E6 | 686.285E6 | |
10. | sr79 | 41 | 78.92970798 | 78.90886194 | | 3/2− | radioakt. | 195 | K/β+=100 | 5.327E6 | -65.4766E6 | 673.382E6 | |
11. | sr78 | 40 | 77.93218003 | 77.91133399 | | 0+ | radioakt. | 150 | K/β+=100 | 3.762E6 | -63.1739E6 | 663.008E6 | |
12. | sr77 | 39 | 76.93794485 | 76.91709882 | | 5/2+ | radioakt. | 9 | K/β+=99.8; Kp=0.2 | 7.021E6(K/β+); 3.921E6(Kp) | -57.804E6 | 649.567E6 | |
13. | sr76 | 38 | 75.94176678 | 75.92092074 | | 0+ | radioakt. | 7.89 | K/β+=99.66; Kp=0.34 | 6.236E6(K/β+); 2.791E6(Kp) | -54.2439E6 | 637.935E6 | |
14. | sr75 | 37 | 74.94994954 | 74.92910351 | | 3/2− | radioakt. | 88E-3 | K/β+=94.8; Kp=5.2 | 10.6E6(K/β+); 8.421E6(Kp) | -46.6217E6 | 622.242E6 | |
15. | Sr89 | 51 | 88.90745083 | 88.88660479 | | 5/2+ | radioakt. | 4.3632E6 | ß-=100 | 1.495E6 | -86.209E6 | 774.828E6 | 0.42σ(n.γ) |
16. | Sr90 | 52 | 89.90773789 | 89.88689186 | | 0+ | radioakt. | 28.79a | ß-=100 | 0.546E6 | -85.9416E6 | 782.632E6 | 10.4#σ(n.γ) |
17. | Sr91 | 53 | 90.91020307 | 90.88935704 | | 5/2+ | radioakt. | 34.668E3 | ß-=100 | 2.699E6 | -83.6453E6 | 78.8407E7 | |
18. | Sr92 | 54 | 91.91103786 | 91.89019183 | | 0+ | radioakt. | 9576 | ß-=100 | 1.946E6 | -82.8677E6 | 795.7E6 | |
19. | Sr93 | 55 | 92.91402564 | 92.89317961 | | 5/2− | radioakt. | 445.4 | ß-=100 | 4.139E6 | -80.0846E6 | 800.988E6 | |
20. | Sr94 | 56 | 93.91536178 | 93.89451574 | | 0+ | radioakt. | 75.3 | ß-=100 | 3.508E6 | -78.84E6 | 807.815E6 | |
21. | Sr95 | 57 | 94.91935965 | 94.89851362 | | 1/2+ | radioakt. | 23.90 | ß-=100 | 6.091E6 | -75.116E6 | 812.162E6 | |
22. | Sr96 | 58 | 95.92169783 | 95.9008518 | | 0+ | radioakt. | 1.07 | ß-=100 | 5.408E6 | -7.2938E7 | 818.056E6 | |
23. | Sr97 | 59 | 96.92615293 | 96.9053069 | | 1/2+ | radioakt. | 42.9E4 | ß-=99.9; β−n=0.1 | 7.47E6(β−); 1.487E6(β−n) | -68.7881E6 | 82.1977E7 | |
24. | Sr98 | 60 | 97.92845365 | 97.90760761 | | 0+ | radioakt. | 653E-3 | ß-=99.75; β−n=0.25 | 58.22E5 (β−). 15.41E5(β−n) | -66.645E6 | 82.7905E7 | |
25. | Sr99 | 61 | 98.9332409 | 98.91239487 | | 3/2+ | | 26.9E-2 | ß-=99.9; β−n=0.1 | 801.4E4(β−); 2.21E6(β−n) | -62.1857E6 | 83.1517E7 | |
26. | Sr100 | 62 | 99.93535224 | 99.91450621 | | 0+ | radioakt. | 20.2E-2 | ß-=99.22; β−n=0.78 | 0.7075E7(β−). 1.91E6(β−n) | -60.219E6 | 837.622E6 | |
27. | Sr101 | 63 | 100.94051814 | 100.9196721 | | 5/2− | radioakt. | 0.118 | ß-=99.97; β−n=0.03 | 95.05E5(β−). 3.816E6(β−n) | -5.5407E7 | 8.40881E8 | |
28. | Sr86+1 | 48 | 85.90926018 | 85.88841414 | | 8+ | radioakt. | 0.45E-6 | IT=100 | 2.956E6 | -84.5236E6 | 74.8928E7 | 0.23#σ(n.γ); 0.77#σ(n.it) |
29. | Sr87+1 | 49 | 86.90887714 | 86.8880311 | | 1/2− | radioakt. | 10090.8 | K=0.30; IT=99.70 | 389E3(IT); 0.106E6(K/β+) | -0.848804E8 | 757.356E6 | 17#σ(n.γ) |
30. | Sr85+1 | 47 | 84.91293342 | 84.89208738 | | 1/2− | radioakt. | 243.468E3 | IT=86.6; K/β+=13.4 | 239E3(IT); 1304E3(K/β+) | -0.81102E8 | 73.7435E7 | |
31. | Sr83+1 | 45 | 82.91755717 | 82.89671114 | | 1/2− | | 4.95 | IT=100 | 2.59E5 | -76.795E6 | 716.986E6 | |