Sm
Самарій
Z 62 150,36 г/мольЛантаноїд
| 152Sm | 90 | 151,9197 | -74 763,0 | 26,74% | Стабільний | 0+ | --- | 1933 |
| 154Sm | 92 | 153,9222 | -72 455,6 | 22,74% | Стабільний | 0+ | β⁻ | 1933 |
| 147Sm | 85 | 146,9149 | -79 266,0 | 15,0% | 106,6 Гр | 7/2- | α→143Nd(100%) | 1933 |
| 149Sm | 87 | 148,9172 | -77 135,9 | 13,82% | Стабільний | 7/2- | α→145Nd | 1933 |
| 148Sm | 86 | 147,9148 | -79 336,1 | 11,25% | 6,3 Пр | 0+ | α→144Nd(100%) | 1933 |
| 150Sm | 88 | 149,9173 | -77 051,3 | 7,37% | Стабільний | 0+ | --- | 1934 |
| 144Sm | 82 | 143,912 | -81 965,6 | 3,08% | Стабільний | 0+ | β⁺ | 1933 |
| 128Sm | 66 | 127,958 | -39 150,0 | --- | 500,0 мс | 0+ | β⁺→128Pm β⁺p→127Nd | --- |
| 129Sm | 67 | 128,9546 | -42 330,0 | --- | 550,0 мс | (1/2+) | β⁺→129Pm(100%) β⁺p→128Nd | 1999 |
| 130Sm | 68 | 129,9488 | -47 700,0 | --- | 1,0 с | 0+ | β⁺→130Pm | 1999 |
| 131Sm | 69 | 130,946 | -50 280,0 | --- | 1,2 с | (5/2+) | β⁺→131Pm(100%) β⁺p→130Nd | 1986 |
| 132Sm | 70 | 131,9408 | -55 140,0 | --- | 4,0 с | 0+ | β⁺→132Pm(100%) β⁺p→131Nd | 1989 |
| 133Sm | 71 | 132,9386 | -57 230,0 | --- | 2,89 с | (5/2+) | β⁺→133Pm(100%) β⁺p→132Nd | 1977 |
| 133mSm | 71 | 132,9387 | -57 110,0 | --- | 3,5 с | (1/2-) | β⁺→133Pm γ→133Sm β⁺p→132Nd | 1993 |
| 134Sm | 72 | 133,9341 | -61 380,0 | --- | 9,5 с | 0+ | β⁺→134Pm(100%) | 1977 |
| 135Sm | 73 | 134,9325 | -62 860,0 | --- | 10,3 с | (7/2+) | β⁺→135Pm(99,98%) β⁺p→134Nd(0,02%) | 1977 |
| 136Sm | 74 | 135,9283 | -66 811,0 | --- | 47,0 с | 0+ | β⁺→136Pm(100%) | 1982 |
| 136mSm | 74 | 135,9307 | -64 546,0 | --- | 15,0 мкс | (8-) | γ→136Sm(100%) | 1994 |
| 137Sm | 75 | 136,927 | -67 992,0 | --- | 45,0 с | (9/2-) | β⁺→137Pm(100%) | 1986 |
| 137mSm | 75 | 136,9271 | -67 890,0 | --- | 20,0 с | (1/2+) | β⁺→137Pm | --- |
| 138Sm | 76 | 137,9232 | -71 498,0 | --- | 3,1 хв | 0+ | β⁺→138Pm(100%) | 1982 |
| 139Sm | 77 | 138,9223 | -72 380,0 | --- | 2,57 хв | 1/2+ | β⁺→139Pm(100%) | 1971 |
| 139mSm | 77 | 138,9228 | -71 923,0 | --- | 10,7 с | 11/2- | γ→139Sm(93,7%) β⁺→139Pm(6,3%) | 1973 |
| 140Sm | 78 | 139,919 | -75 456,0 | --- | 14,82 хв | 0+ | β⁺→140Pm(100%) | 1967 |
| 141Sm | 79 | 140,9185 | -75 934,0 | --- | 10,2 хв | 1/2+ | β⁺→141Pm(100%) | 1967 |
| 141mSm | 79 | 140,9187 | -75 758,0 | --- | 22,6 хв | 11/2- | β⁺→141Pm(99,69%) γ→141Sm(0,31%) | 1967 |
| 142Sm | 80 | 141,9152 | -78 981,9 | --- | 1,21 год | 0+ | β⁺→142Pm(100%) β⁺(<5%) | 1959 |
| 142mSm | 80 | 141,9178 | -76 609,8 | --- | 170,0 нс | 7- | γ→142Sm(100%) | 1975 |
| 142nSm | 80 | 141,9191 | -75 319,7 | --- | 480,0 нс | 10+ | γ→142Sm(100%) | 1979 |
| 143Sm | 81 | 142,9146 | -79 517,1 | --- | 8,75 хв | 3/2+ | β⁺→143Pm(100%) EC→143Pm(60%) β⁺(40%) | 1956 |
| 143mSm | 81 | 142,9154 | -78 763,1 | --- | 1,1 хв | 11/2- | γ→143Sm(~100%) β⁺→143Pm(0,24%) | 1960 |
| 143nSm | 81 | 142,9176 | -76 723,3 | --- | 30,0 мс | 23/2- | γ→143Sm(100%) | 1969 |
| 144mSm | 82 | 143,9145 | -79 642,0 | --- | 880,0 нс | 6+ | γ→144Sm(100%) | 1972 |
| 145Sm | 83 | 144,9134 | -80 651,4 | --- | 340,0 д | 7/2- | EC→145Pm(100%) | 1947 |
| 145mSm | 83 | 144,9229 | -71 836,4 | --- | 3,52 мкс | 49/2+ | γ→145Sm(100%) | 1993 |
| 146Sm | 84 | 145,913 | -80 996,0 | --- | 68,0 Мр | 0+ | α→142Nd(100%) | 1953 |
| 151Sm | 89 | 150,9199 | -74 576,5 | --- | 94,6 р | 5/2- | β⁻→151Eu(100%) | 1947 |
| 151mSm | 89 | 150,9202 | -74 315,4 | --- | 1,4 мкс | (11/2-) | γ→151Sm(100%) | 1973 |
| 153Sm | 91 | 152,9221 | -72 560,1 | --- | 1,93 д | 3/2+ | β⁻→153Eu(100%) | 1938 |
| 153mSm | 91 | 152,9222 | -72 461,7 | --- | 10,6 мс | 11/2- | γ→153Sm(100%) | 1971 |
| 155Sm | 93 | 154,9246 | -70 191,2 | --- | 22,18 хв | 3/2- | β⁻→155Eu(100%) | 1951 |
| 155mSm | 93 | 154,9247 | -70 174,7 | --- | 2,8 мкс | 5/2+ | γ→155Sm(100%) | 2010 |
| 155nSm | 93 | 154,9252 | -69 653,2 | --- | 1,0 мкс | 11/2- | γ→155Sm(100%) | 2010 |
| 156Sm | 94 | 155,9255 | -69 361,0 | --- | 9,4 год | 0+ | β⁻→156Eu(100%) | 1951 |
| 156mSm | 94 | 155,927 | -67 963,0 | --- | 185,0 нс | 5- | γ→156Sm(100%) | 1974 |
| 157Sm | 95 | 156,9284 | -66 678,0 | --- | 8,03 хв | (3/2-) | β⁻→157Eu(100%) | 1973 |
| 158Sm | 96 | 157,9299 | -65 252,0 | --- | 5,3 хв | 0+ | β⁻→158Eu(100%) | 1970 |
| 159Sm | 97 | 158,9332 | -62 208,0 | --- | 11,37 с | 5/2- | β⁻→159Eu(100%) | 1986 |
| 159mSm | 97 | 158,9346 | -60 932,0 | --- | 116,0 нс | (15/2+) | γ→159Sm(100%) | 2009 |
| 160Sm | 98 | 159,9353 | -60 233,2 | --- | 9,6 с | 0+ | β⁻→160Eu(100%) | 1986 |
| 160mSm | 98 | 159,9368 | -58 871,9 | --- | 120,0 нс | (5-) | γ→160Sm(100%) | 2009 |
| 160nSm | 98 | 159,9383 | -57 475,9 | --- | 1,8 мкс | (11+) | γ→160Sm(100%) | 2016 |
| 161Sm | 99 | 160,9392 | -56 672,0 | --- | 4,8 с | (7/2+) | β⁻→161Eu(100%) | 1998 |
| 161mSm | 99 | 160,9407 | -55 284,0 | --- | 2,6 мкс | (17/2-) | γ→161Sm(100%) | 2017 |
| 162Sm | 100 | 161,9416 | -54 379,0 | --- | 2,7 с | 0+ | β⁻→162Eu(100%) | 2005 |
| 162mSm | 100 | 161,9427 | -53 370,0 | --- | 1,78 мкс | (4-) | γ→162Sm(100%) | 2017 |
| 163Sm | 101 | 162,9457 | -50 600,0 | --- | 1,3 с | (1/2-) | β⁻→163Eu(100%) | 2012 |
| 164Sm | 102 | 163,9486 | -47 925,0 | --- | 1,43 с | 0+ | β⁻→164Eu(100%) β⁻n→163Eu | 2012 |
| 164mSm | 102 | 163,9501 | -46 440,0 | --- | 600,0 нс | (6-) | γ→164Sm(100%) | 2014 |
| 165Sm | 103 | 164,9533 | -43 510,0 | --- | 980,0 мс | (5/2-) | β⁻→165Eu(100%) β⁻n→164Eu | 2012 |
| 166Sm | 104 | 165,9566 | -40 450,0 | --- | 800,0 мс | 0+ | β⁻→166Eu(100%) | 2017 |
| 167Sm | 105 | 166,9621 | -35 330,0 | --- | 190,0 мс | (7/2-) | β⁻→167Eu β⁻n→166Eu | 2018 |
| 168Sm | 106 | 167,966 | -31 640,0 | --- | 340,0 мс | (0+) | β⁻→168Eu β⁻n→167Eu | 2018 |