ジスプロシウムの同位体
一覧

| 同位体核種 | Z(p)> 励起エネルギー | N(n)> 励起エネルギー | 同位体質量 (u)> 励起エネルギー | 半減期 | 核スピン数 | 天然存在比 | 天然存在比 (範囲) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 138Dy | 66 | 72 | 137.96249(64)# | 200# ms | 0+ |  |  |
| 139Dy | 66 | 73 | 138.95954(54)# | 600(200) ms | 7/2+# |  |  |
| 140Dy | 66 | 74 | 139.95401(54)# | 700# ms | 0+ |  |  |
| 140mDy | 2166.1(5) keV | 2166.1(5) keV | 2166.1(5) keV | 7.0(5) µs | (8-) |  |  |
| 141Dy | 66 | 75 | 140.95135(32)# | 0.9(2) s | (9/2-) |  |  |
| 142Dy | 66 | 76 | 141.94637(39)# | 2.3(3) s | 0+ |  |  |
| 143Dy | 66 | 77 | 142.94383(21)# | 5.6(10) s | (1/2+) |  |  |
| 143mDy | 310.7(6) keV | 310.7(6) keV | 310.7(6) keV | 3.0(3) s | (11/2-) |  |  |
| 144Dy | 66 | 78 | 143.93925(3) | 9.1(4) s | 0+ |  |  |
| 145Dy | 66 | 79 | 144.93743(5) | 9.5(10) s | (1/2+) |  |  |
| 145mDy | 118.2(2) keV | 118.2(2) keV | 118.2(2) keV | 14.1(7) s | (11/2-) |  |  |
| 146Dy | 66 | 80 | 145.932845(29) | 33.2(7) s | 0+ |  |  |
| 146mDy | 2935.7(6) keV | 2935.7(6) keV | 2935.7(6) keV | 150(20) ms | (10+)# |  |  |
| 147Dy | 66 | 81 | 146.931092(21) | 40(10) s | 1/2+ |  |  |
| 147m1Dy | 750.5(4) keV | 750.5(4) keV | 750.5(4) keV | 55(1) s | 11/2- |  |  |
| 147m2Dy | 3407.2(8) keV | 3407.2(8) keV | 3407.2(8) keV | 0.40(1) µs | (27/2-) |  |  |
| 148Dy | 66 | 82 | 147.927150(11) | 3.3(2) min | 0+ |  |  |
| 149Dy | 66 | 83 | 148.927305(9) | 4.20(14) min | 7/2(-) |  |  |
| 149mDy | 2661.1(4) keV | 2661.1(4) keV | 2661.1(4) keV | 490(15) ms | (27/2-) |  |  |
| 150Dy | 66 | 84 | 149.925585(5) | 7.17(5) min | 0+ |  |  |
| 151Dy | 66 | 85 | 150.926185(4) | 17.9(3) min | 7/2(-) |  |  |
| 152Dy | 66 | 86 | 151.924718(6) | 2.38(2) h | 0+ |  |  |
| 153Dy | 66 | 87 | 152.925765(5) | 6.4(1) h | 7/2(-) |  |  |
| 154Dy | 66 | 88 | 153.924424(8) | 3.0(15)E+6 a | 0+ |  |  |
| 155Dy | 66 | 89 | 154.925754(13) | 9.9(2) h | 3/2- |  |  |
| 155mDy | 234.33(3) keV | 234.33(3) keV | 234.33(3) keV | 6(1) µs | 11/2- |  |  |
| 156Dy | 66 | 90 | 155.924283(7) | STABLE [>1E+18 a] | 0+ | 0.00056(3) |  |
| 157Dy | 66 | 91 | 156.925466(7) | 8.14(4) h | 3/2- |  |  |
| 157m1Dy | 161.99(3) keV | 161.99(3) keV | 161.99(3) keV | 1.3(2) µs | 9/2+ |  |  |
| 157m2Dy | 199.38(7) keV | 199.38(7) keV | 199.38(7) keV | 21.6(16) ms | 11/2- |  |  |
| 158Dy | 66 | 92 | 157.924409(4) | STABLE | 0+ | 0.00095(3) |  |
| 159Dy | 66 | 93 | 158.9257392(29) | 144.4(2) d | 3/2- |  |  |
| 159mDy | 352.77(14) keV | 352.77(14) keV | 352.77(14) keV | 122(3) µs | 11/2- |  |  |
| 160Dy | 66 | 94 | 159.9251975(27) | STABLE | 0+ | 0.02329(18) |  |
| 161Dy | 66 | 95 | 160.9269334(27) | STABLE | 5/2+ | 0.18889(42) |  |
| 162Dy | 66 | 96 | 161.9267984(27) | STABLE | 0+ | 0.25475(36) |  |
| 163Dy | 66 | 97 | 162.9287312(27) | STABLE | 5/2- | 0.24896(42) |  |
| 164Dy | 66 | 98 | 163.9291748(27) | STABLE | 0+ | 0.28260(54) |  |
| 165Dy | 66 | 99 | 164.9317033(27) | 2.334(1) h | 7/2+ |  |  |
| 165mDy | 108.160(3) keV | 108.160(3) keV | 108.160(3) keV | 1.257(6) min | 1/2- |  |  |
| 166Dy | 66 | 100 | 165.9328067(28) | 81.6(1) h | 0+ |  |  |
| 167Dy | 66 | 101 | 166.93566(6) | 6.20(8) min | (1/2-) |  |  |
| 168Dy | 66 | 102 | 167.93713(15) | 8.7(3) min | 0+ |  |  |
| 169Dy | 66 | 103 | 168.94031(32) | 39(8) s | (5/2-) |  |  |
| 170Dy | 66 | 104 | 169.94239(21)# | 30# s | 0+ |  |  |
| 171Dy | 66 | 105 | 170.94620(32)# | 6# s | 7/2-# |  |  |
| 172Dy | 66 | 106 | 171.94876(43)# | 3# s | 0+ |  |  |
| 173Dy | 66 | 107 | 172.95300(54)# | 2# s | 9/2+# |  |  |