Samarium radioactive isotope number 1: 128Sm |
| Neutrons: | 66; |
| Jn: | 0+; |
| Decay: | ε ?
p ?; |
| t1/2: | 0.5s ; |
Samarium radioactive isotope number 2: 129Sm |
| Neutrons: | 67; |
| Jn: | 1/2+; |
| Decay: | ε
ε p; |
| t1/2: | 0.55s ; |
Samarium radioactive isotope number 3: 130Sm |
| Neutrons: | 68; |
| Jn: | 0+; |
| Decay: | ε; |
| t1/2: | 1s ; |
Samarium radioactive isotope number 4: 131Sm |
| Neutrons: | 69; |
| Jn: | Unknown; |
| Decay: | ε : 100.00 %
ε p > 0.00 %; |
| t1/2: | 1.2s ; |
Samarium radioactive isotope number 5: 132Sm |
| Neutrons: | 70; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %
ε p; |
| t1/2: | 4s ; |
Samarium radioactive isotope number 6: 133Sm |
| Neutrons: | 71; |
| Jn: | 5/2+; |
| Decay: | ε : 100.00 %
ε p > 0.00 %; |
| t1/2: | 3.7s ; |
Samarium radioactive isotope number 7: 134Sm |
| Neutrons: | 72; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 9.5s ; |
Samarium radioactive isotope number 8: 135Sm |
| Neutrons: | 73; |
| Jn: | 3/2+,5/2+; |
| Decay: | ε : 100.00 %
ε p : 0.02 %; |
| t1/2: | 10.3s ; |
Samarium radioactive isotope number 9: 136Sm |
| Neutrons: | 74; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 47s ; |
Samarium radioactive isotope number 10: 137Sm |
| Neutrons: | 75; |
| Jn: | 9/2-; |
| Decay: | ε : 100.00 %; |
| t1/2: | 45s ; |
Samarium radioactive isotope number 11: 138Sm |
| Neutrons: | 76; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 186s ≈ 3.10 m; |
Samarium radioactive isotope number 12: 139Sm |
| Neutrons: | 77; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 154.2s ≈ 2.57 m; |
Samarium radioactive isotope number 13: 139Sm |
| Neutrons: | 77; |
| Jn: | 11/2-; |
| Decay: | IT : 93.70 %
ε : 6.30 %; |
| t1/2: | 10.7s ; |
Samarium radioactive isotope number 14: 140Sm |
| Neutrons: | 78; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 889.2s ≈ 14.82 m; |
Samarium radioactive isotope number 15: 141Sm |
| Neutrons: | 79; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 612s ≈ 10.20 m; |
Samarium radioactive isotope number 16: 141Sm |
| Neutrons: | 79; |
| Jn: | 11/2-; |
| Decay: | ε : 99.69 %
IT : 0.31 %; |
| t1/2: | 1356s ≈ 22.60 m; |
Samarium radioactive isotope number 17: 142Sm |
| Neutrons: | 80; |
| Jn: | 0+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 4349.4s ≈ 1.21 h; |
Samarium radioactive isotope number 18: 143Sm |
| Neutrons: | 81; |
| Jn: | 3/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 525s ≈ 8.75 m; |
Samarium radioactive isotope number 19: 143Sm |
| Neutrons: | 81; |
| Jn: | 11/2-; |
| Decay: | IT : 99.76 %
ε : 0.24 %; |
| t1/2: | 66s ; |
Samarium radioactive isotope number 20: 145Sm |
| Neutrons: | 83; |
| Jn: | 7/2-; |
| Decay: | ε : 100.00 %; |
| t1/2: | 29376000s ≈ 340.00 d; |
Samarium radioactive isotope number 21: 146Sm |
| Neutrons: | 84; |
| Jn: | 0+; |
| Decay: | α : 100.00 %; |
| t1/2: | 3.248208E+15s ≈ 1.030000e+8 y; |
Samarium radioactive isotope number 22: 151Sm |
| Neutrons: | 89; |
| Jn: | 5/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 2838240000s ≈ 90.00 y; |
Samarium radioactive isotope number 23: 153Sm |
| Neutrons: | 91; |
| Jn: | 3/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 166622.4s ≈ 46.28 h; |
Samarium radioactive isotope number 24: 153Sm |
| Neutrons: | 91; |
| Jn: | 11/2-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 0.0106s ≈ 10.60 ms; |
Samarium radioactive isotope number 25: 155Sm |
| Neutrons: | 93; |
| Jn: | 3/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 1338s ≈ 22.30 m; |
Samarium radioactive isotope number 26: 156Sm |
| Neutrons: | 94; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 33840s ≈ 9.40 h; |
Samarium radioactive isotope number 27: 157Sm |
| Neutrons: | 95; |
| Jn: | 3/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 481.8s ≈ 8.03 m; |
Samarium radioactive isotope number 28: 158Sm |
| Neutrons: | 96; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 318s ≈ 5.30 m; |
Samarium radioactive isotope number 29: 159Sm |
| Neutrons: | 97; |
| Jn: | 5/2-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 11.37s ; |
Samarium radioactive isotope number 30: 160Sm |
| Neutrons: | 98; |
| Jn: | 0+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 9.6s ; |
Samarium radioactive isotope number 31: 161Sm |
| Neutrons: | 99; |
| Jn: | Unknown; |
| Decay: | β - : 100.00 %; |
| t1/2: | 4.8s ; |
Samarium radioactive isotope number 32: 162Sm |
| Neutrons: | 100; |
| Jn: | 0+; |
| Decay: | β - ?; |
| t1/2: | 2s ; |
Samarium radioactive isotope number 33: 163Sm |
| Neutrons: | 101; |
| Jn: | Unknown; |
| Decay: | β - ?; |
| t1/2: | 1s ; |
Samarium radioactive isotope number 34: 164Sm |
| Neutrons: | 102; |
| Jn: | 0+; |
| Decay: | β - ?; |
| t1/2: | 0.5s ; |
Samarium radioactive isotope number 35: 165Sm |
| Neutrons: | 103; |
| Jn: | Unknown; |
| Decay: | β -; |
| t1/2: | 0.2s ; |
