# Liste der Isotope/Ordnungszahl 61 bis Ordnungszahl 70

Liste der Isotope ist die Übersichtsseite, um komfortabel auf alle Elemente zugreifen zu können. Dort wird auch der Aufbau erklärt und die Legende zur Tabelle ist auch dort zu finden. Zerfallsenergien wurden mit den angegebenen Massen und dem Masse-Energie-Äquivalent von $\textstyle \Delta m=931{,}4940954{\frac {\mathrm {MeV} }{\mathrm {u} }}$ neu berechnet.
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## $_{61}$ Promethium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | Masse (u) |
| $^{128}$Pm | 1,0 s | -9,120 β$^−$ 2,940 α 12,530 ε | (5,6,7) | ε=100 | 127,949 |
| $^{129}$Pm | 2,4 s | -10,850 (β-) 2,465 (α) 9,195 (ε) -22,192 β- n | (5/2-) | β$^+$ = 100 | 128,943 |
| $^{130}$Pm | 2,6 s | -7,890 β$^−$ 2,500 α 11,200 ε -21,470 β$^−$ n | 4,5,6 | β$^+$ = 100, p = ? | 129,941 |
| $^{131}$Pm | 6,3 s | -9,530 β$^−$ 2,460 α 8,110 ε -20,220 β$^−$ n | 11/2- | εβ$^+$ = 100 | 130,936 |
| $^{132}$Pm | 6,2 s | -6,550 β$^−$ 9,800 ε -19,570 β$^−$ n | (3+) | β$^+$ ≈ 100, p ≈ 5·10$^{−5}$ | 131,934 |
| $^{133}$Pm | 13,5 s | -8,180 β$^−$ 1,940 α 6,920 ε -18,400 β$^−$ n | 3/2+ | β$^+$=100 | 132,930 |
| $^{133m1}$Pm | 8,8 s | | 11/2− | β$^+$ ≈ 100, IT = ? | 132,930 |
| $^{134m1}$Pm | 5 s | -5,360 β$^−$ 2,010 α 8,910 ε -17,580 β$^−$ n | (2+) | εβ$^+$=100 | 133,928 |
| $^{134m2}$Pm | 22 s | | (5+) | εβ$^+$=100 | |
| $^{135m1}$Pm | 49 s | -7,190 β$^−$ 1,820 α 6,160 ε -16,750β$^−$ n | (3/2+, 5/2+) | εβ$^+$=100 | 134,925 |
| $^{135m2}$Pm | 45 s | | (11/2−) | εβ$^+$=100 | |
| $^{136m1}$Pm | 300 s | -4,360β$^−$ 1,630 α 8,030 ε -16,380 β$^−$ n | (2) | εβ$^+$=100 | 135,924 |
| $^{136m2}$Pm | 107 s | | (5-) | εβ$^+$=100 | 135,924 |
| $^{137}$Pm | 2,4 min | -6,050 β$^−$ 1,440 α 5,512 ε -15,333 β$^−$ n | 11/2− | εβ$^+$=100 | 136,920 |
| $^{138}$Pm | 10 s | -3,440 β$^−$ 1,160 α 7,080 ε -14,990 β$^−$ n | (1+) | εβ$^+$=100 | 137,920 |
| $^{138m1}$Pm | 3,24 min | | (5−) | εβ$^+$=100 | |
| $^{139}$Pm | 4,15 min | -5,120β$^−$ 1,010 α 4510 ε -14,074 β$^−$ n | (5/2)+ | εβ$^+$ =100 | 138,917 |
| $^{139m1}$Pm | 180 ms | | (11/2)− | IT≈100 εβ+<0.05 | |
| $^{140}$Pm | 9,2 s | -2,758β$^−$ 0,720 α 6,540 ε -13,905 β$^−$ n | (1+) | εβ$^+$=100 | 139,916 |
| $^{140m}$Pm | 5,95 min | | 7− | εβ$^+$ | |
| $^{140m1}$Pm | 5,95 min | | 8− | εβ$^+$ | 139,916 |
| $^{141}$Pm | 20,90 min | 3,715 | 5/2+ | εβ$^+$ | 140,914 |
| $^{142}$Pm | 40,5 s | 4,870 | 1+ | εβ$^+$ | 141,913 |
| $^{142m1}$Pm | 2,0 ms | | (8)− | IT | 141,913 |
| $^{143}$Pm | 265 d | 1,041 | 5/2+ | εβ$^+$ | 142,911 |
| $^{144}$Pm | 363 d | 2,332 | 5− | εβ$^+$ | 143,913 |
| $^{144m1}$Pm | 780 ns | | (9)+ | | 143,913 |
| $^{145}$Pm | 17,7 a | 0,163 (ε), 2,332 (α) | 5/2+ | ε = 100, α = 2,8·10$^{−7}$ | 144,913 |
| $^{146}$Pm | 5,53 a | 1,472 (ε), 1,542 (β$^−$) | 3− | ε = 66,0, β$^−$ = 34,0 | 145,915 |
| $^{147}$Pm | 2,6 a | 0,224 | 7/2+ | β$^−$ | 146,915 |
| $^{148}$Pm | 5,368 d | 2,468 | 1− | β$^−$ | 147,917 |
| $^{148m1}$Pm | 41,29 d | 2,606 (β$^−$), 0,138 (IT) | 6− | β$^−$ = 95,0 , IT = 5,0 | 147,917 |
| $^{149}$Pm | 53,08 h | 1,071 | 7/2+ | β$^−$ | 148,918 |
| $^{150}$Pm | 2,698 h | 3,454 | (1−) | β$^−$ | 149,921 |
| $^{151}$Pm | 28,40 h | 1,187 | 5/2+ | β$^−$ | 150,921 |
| $^{152}$Pm | 4,12 min | 3,50 | 1+ | β$^−$ | 151,924 |
| $^{152m1}$Pm | 7,52 min | 3,56 | 4− | β$^−$ | 151,924 |
| $^{152m2}$Pm | 13,8 min | | (8) | β$^−$ < 100, IT > 0 | 151,924 |
| $^{153}$Pm | 5,25 min | 1,90 | 5/2− | β$^−$ | 152,924 |
| $^{154}$Pm | 1,73 min | 4,05 | (0,1) | β$^−$ | 153,927 |
| $^{154m1}$Pm | 2,68 min | 4,05 | (3,4) | β$^−$ | 153,927 |
| $^{155}$Pm | 41,5 s | 3,17 | (5/2−) | β$^−$ | 154,928 |
| $^{156}$Pm | 26,70 s | 5,16 | 4(−) | β$^−$ | 155,931 |
| $^{157}$Pm | 10,56 s | 4,5 | (5/2−) | β$^−$ | 156,933 |
| $^{158}$Pm | 4,8 s | | 6,2 | β$^−$ | 157,937 |
| $^{159}$Pm | 1,5 s | | 1,47 | β$^−$ | 158,939 |
| $^{160}$Pm | 725 ms | | | β$^−$ | 159,943 |
| $^{161}$Pm | 1,05 s | | | β$^−$ | 160,946 |
| $^{162}$Pm | 0,63 s | | | β$^−$ | 161,951 |
| $^{163}$Pm | 0,43 s | | (5/2-) | β$^−$ | 162,954 |

## $_{62}$ Samarium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) | Masse (u) |
| $^{129}$Sm | 0,55 s | | (1/2+,3/2+) | εβ$^+$ ≈ 100 | | 128,955 |
| $^{131}$Sm | 1,2 s | | | εβ$^+$ ≈ 100, εp = ? | | |
| $^{132}$Sm | 4,0 s | | 0+ | εβ$^+$ ≈ 100, εp = ? | | |
| $^{133}$Sm | 2,89 s | | (5/2+) | εβ$^+$ ≈ 100, εp = ? | | |
| $^{134}$Sm | 9,5 s | 5,4 | 0+ | εβ$^+$ | | |
| $^{135}$Sm | 10,3 s | 7,2 (εβ$^+$), 5,5 (εp) | (7/2+) | εβ$^+$ ≈ 100, εp = 0,02 | | |
| $^{136}$Sm | 47 s | 4,5 | 0+ | εβ$^+$ | | |
| $^{137}$Sm | 45 s | 6,1 | (9/2−) | εβ$^+$ | | |
| $^{138}$Sm | 3,1 min | 3,9 | 0+ | εβ$^+$ | | |
| $^{139}$Sm | 2,57 min | 5,46 | (1/2)+ | εβ$^+$ | | |
| $^{139m1}$Sm | 10,7 s | | (11/2)− | IT = 93,7, εβ$^+$ = 6,3 | | |
| $^{140}$Sm | 14,82 min | 3,02 | 0+ | εβ$^+$ | | |
| $^{141}$Sm | 10,2 min | 4,543 | 1/2+ | εβ$^+$ | | |
| $^{141m1}$Sm | 22,6 min | 4,719 (εβ$^+$), 0,176 (IT) | 11/2− | εβ$^+$ = 99,69, IT = 0,31 | | |
| $^{142}$Sm | 72,49 min | 2,090 | 0+ | εβ$^+$ | | |
| $^{143}$Sm | 8,75 min | 3,443 | 3/2+ | εβ$^+$ | | |
| $^{143m1}$Sm | 66 s | 0,754 (IT), 4,197 (εβ$^+$) | 11/2− | IT = 99,76, εβ$^+$ = 0,24 | | |
| $^{143m2}$Sm | 30 ms | 2,795 | 23/2(−) | IT | | |
| $^{144}$Sm | stabil | | 0+ | | 003,1 | |
| $^{145}$Sm | 340 d | 0617 | 7/2− | ε | | |
| $^{146}$Sm | 1.03e$^8$ a | 2,529 | 0+ | α | | |
| $^{147}$Sm | 1.06e$^{11}$ a | 2,310 | 7/2− | α | 015,0 | |
| $^{148}$Sm | 7e$^{15}$ a | 1,986 | 0+ | α | 011,3 | |
| $^{149}$Sm | stabil | | 7/2− | α | 013,8 | |
| $^{150}$Sm | stabil | | 0+ | | 007,04 | |
| $^{151}$Sm | 90 a | 0,077 | 5/2− | β$^−$ | | |
| $^{152}$Sm | stabil | | 0+ | | 026,7 | |
| $^{153}$Sm | 46,284 h | 0,808 | 3/2+ | β$^−$ | | |
| $^{153m1}$Sm | 10,6 ms | | 11/2− | IT | | |
| $^{154}$Sm | stabil | | 0+ | | 022,7 | |
| $^{155}$Sm | 22,3 min | 1,627 | 3/2− | β$^−$ | | |
| $^{156}$Sm | 9,4 h | 0,722 | 0+ | β$^−$ | | |
| $^{157}$Sm | 8,03 min | 2,730 | (3/2−) | β$^−$ | | |
| $^{158}$Sm | 5,30 min | 1,999 | 0+ | β$^−$ | | |
| $^{159}$Sm | 11,37 s | 3,8 | (5/2−) | β$^−$ | | |
| $^{160}$Sm | 9,6 s | 3,0 | 0+ | β$^−$ | | |
| $^{161}$Sm | 4,8 s | | | β$^−$ | | |
| $^{162}$Sm | 2,4 s | | | β$^−$ | | |
| $^{163}$Sm | >160 ns | | | β$^−$ | | |
| $^{164}$Sm | >160 ns | | | β$^−$ | | |
| $^{165}$Sm | >160 ns | | | β$^−$ | | |

## $_{63}$ Europium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) | Masse (u) |
| $^{130}$Eu | 0,9 ms | | (1+) | p ≈ 100 | | 129,964 |
| $^{131}$Eu | 17,8 ms | | | p | | 130,958 |
| $^{134}$Eu | 0,5 s | -8,272 (β$^−$) >3,244 (α) 11,450(ε) -21,81(β$^−$n) | | εβ$^+$ ≈ 100, εp > 0 | | 133,946 |
| $^{135}$Eu | 1,5 s | -9,898 (β$^−$) 3,198(α) 8,709(ε) -20,689(β$^−$n) | | εβ$^+$ ≈ 100, εp = ? | | 134,942 |
| $^{136}$Eu | 3,3 s | 10,4 (εβ$^+$), 6,5 (εp) -7,159 (β$^−$) 2,960(α) 10,570(ε) -20,065(β$^−$n) | (7+) | εβ$^+$ ≈ 100, εp = 0,09 | | 135,939 |
| $^{136m1}$Eu | 3,8 s | | (3+) | εβ$^+$ ≈ 100, εp = 0,09 | | 135,939 |
| $^{137}$Eu | 11 s | 7,5 | (11/2-) | εβ$^+$ | | 136,935 |
| $^{138}$Eu | 12,1 s | 9,2 | (6−) | εβ$^+$ | | 137,933 |
| $^{139}$Eu | 17,9 s | 6,7 | (11/2)− | εβ$^+$ | | 138,930 |
| $^{140}$Eu | 1,51 s | 8,4 | 1+ | εβ$^+$ | | 139,928 |
| $^{140m1}$Eu | 125 ms | 8,585 (εβ$^+$), 0,185 (IT) | (5−) | IT = 100, εβ$^+$ < 1 | | 139,928 |
| $^{141}$Eu | 40,7 s | 5,550 | 5/2+ | εβ$^+$ | | 140,925 |
| $^{141m1}$Eu | 2,7 s | 5,646 (εβ$^+$), 0,096 (IT) | 11/2− | εβ$^+$ = 13$\left.^{+4}_{-2}\right.$, IT = 87$\left.^{+2}_{-4}\right.$ | | |
| $^{142}$Eu | 2,34 s | 7,640 | 1+ | εβ$^+$ | | |
| $^{142m1}$Eu | 1,22 min | 7,640 | 8− | εβ$^+$ | | |
| $^{143}$Eu | 2,63 min | 5,275 | 5/2+ | εβ$^+$ | | |
| $^{144}$Eu | 10,2 s | 6,315 | 1+ | εβ$^+$ | | |
| $^{145}$Eu | 5,93 d | 2,660 | 5/2+ | εβ$^+$ | | |
| $^{146}$Eu | 4,61 d | 3,878 | 4− | εβ$^+$ | | 145,917 |
| $^{147}$Eu | 24,1 d | 1,722 (εβ$^+$) 2,990 (α) | 5/2+ | εβ$^+$ ≈ 100, α = 0,0022 | | 146,917 |
| $^{148}$Eu | 54,5 d | 3,107 (εβ$^+$) 2,761 (α) | 5− | εβ$^+$ ≈ 100, α = 9,4·10$^{−7}$ | | 147,918 |
| $^{149}$Eu | 93,1 d | 0,692 | 5/2+ | ε | | 148,918 |
| $^{150}$Eu | 36 a 329 d | 2,261 | 5(−) | εβ$^+$ | | 149,920 |
| $^{150m1}$Eu | 12,8 h | 2,303 (εβ$^+$), 1,013 (β$^−$), 0,042 (IT) | 0− | εβ$^+$ = 11, β$^−$ = 89 , IT < 5·10$^{−8}$ | | 149,920 |
| $^{151}$Eu | > 1,7·10$^{18}$ a | | 5/2+ | α = ? | 47,8 | 150,920 |
| $^{152}$Eu | 13,537 a | 1,874 (εβ$^+$), 1,819 (β$^−$) | 3− | ε = 72,1 , β$^−$ = 27,9 | | 151,922 |
| $^{152m1}$Eu | 9,31 h | 1,920 (εβ$^+$), 1,865 (β$^−$) | 0− | εβ$^+$ = 28 , β$^−$ = 72 | | 151,922 |
| $^{152m2}$Eu | 96 min | 0,148 | 8− | IT | | 151,922 |
| $^{153}$Eu | stabil | | 5/2+ | | 052,2 | 152,921 |
| $^{154}$Eu | 8,6 a | 1,969 (β$^−$), 0,717 (εβ$^+$) | 3− | β$^−$ ≈ 100, εβ$^+$ = 0,02 | | 153,923 |
| $^{154m1}$Eu | 46,3 min | 0,145 | (8−) | IT | | 153,923 |
| $^{155}$Eu | 4,753 a | 0,252 | 5/2+ | β$^−$ | | 154,923 |
| $^{156}$Eu | 15,19 d | 2,451 | 0+ | β$^−$ | | 155,925 |
| $^{157}$Eu | 15,18 h | 1,363 | 5/2+ | β$^−$ | | 156,925 |
| $^{158}$Eu | 45,9 min | 3,490 | (1−) | β$^−$ | | 157,928 |
| $^{159}$Eu | 18,1 min | 2,514 | 5/2+ | β$^−$ | | 158,929 |
| $^{160}$Eu | 38 s | 4,58 | 1(−) | β$^−$ | | 159,932 |
| $^{161}$Eu | 26 s | 3,7 | | β$^−$ | | 160,934 |
| $^{162}$Eu | 10,6 s | 5,6 | | β$^−$ | | 161,937 |
| $^{163}$Eu | 7,7 s | | | β$^−$ | | 162,939 |
| $^{164}$Eu | 4,15 s | | | β$^−$ | | 163,943 |
| $^{165}$Eu | 2,3 s | | | β$^−$ | | 164,946 |
| $^{166}$Eu | 1,7 s | | | β$^−$ | | 165,950 |
| $^{167}$Eu | 0,86 s | | (5/2+) | β$^−$ | | 166,953 |
| $^{168}$Eu | 0,20 s | | (6-) | β$^−$ | | 167,958 |

## $_{64}$ Gadolinium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) | Masse (u) |
| $^{135}$Gd | 1,1 s | | (5/2+) | εβ$^+$ | | 134,952 |
| $^{136}$Gd | >200 ns | | 0+ | εβ$^+$ | | 135,947 |
| $^{137}$Gd | 2,2 s | | (7/2) | εβ$^+$ | | 136,945 |
| $^{138}$Gd | 4,7 s | | 0+ | εβ$^+$ | | 137,940 |
| $^{139}$Gd | 4,9 s | 7,7 (εβ$^+$), 6,3 (β$^+$p) | 9/2− | εβ$^+$ = ?, β$^+$p = ? | | |
| $^{140}$Gd | 15,8 s | 5,5 | 0+ | εβ$^+$ | | |
| $^{141}$Gd | 14 s | 7,2 (εβ$^+$), 4,9 (εp) | (1/2+) | εβ$^+$ ≈ 100, εp = 0,03 | | |
| $^{141m1}$Gd | 24,5 s | 7,578 (εβ$^+$), 0,378 (IT) | (11/2−) | εβ$^+$ = 89, IT = 11 | | |
| $^{142}$Gd | 70,2 s | 4,5 | 0+ | εβ$^+$ | | |
| $^{143}$Gd | 39 s | 6,01 | (1/2)+ | εβ$^+$ ≈ 100, εp < 0,001 | | |
| $^{143m1}$Gd | 112 s | 6,163 | (11/2−) | εβ$^+$ | | |
| $^{144}$Gd | 4,5 min | 3,74 | 0+ | εβ$^+$ | | |
| $^{145}$Gd | 23,0 min | 5,05 | 1/2+ | εβ$^+$ | | |
| $^{145m1}$Gd | 85 s | 0,749 (IT), 5,799 (εβ$^+$) | 11/2− | IT = 94,3 , εβ$^+$ = 5,7 | | |
| $^{146}$Gd | 48,27 d | 1,030 | 0+ | ε | | |
| $^{147}$Gd | 38,06 h | 2,187 | 7/2− | εβ$^+$ | | |
| $^{148}$Gd | 74,6 a | 3,271 | 0+ | α | | |
| $^{149}$Gd | 9,28 d | 1,314 (εβ$^+$), 3,100 (α) | 7/2− | εβ$^+$ ≈ 100, α = 4,3·10$^{−4}$ | | |
| $^{150}$Gd | 1,79·10$^6$ a | 2,809 | 0+ | α | | |
| $^{151}$Gd | 124 d | 0,464 (ε), 2,653 (α) | 7/2− | ε ≈ 100, α ≈ 8·10$^{−7}$ | | |
| $^{152}$Gd | 1,08·10$^{14}$ a | 2,205 | 0+ | α | 000,20 | |
| $^{153}$Gd | 240,4 d | 0,485 | 3/2− | ε | | |
| $^{154}$Gd | stabil | | 0+ | | 2,18 | |
| $^{155}$Gd | stabil | | 3/2− | | 014,80 | |
| $^{155m1}$Gd | 31,97 ms | 0,121 | 11/2− | IT | | |
| $^{156}$Gd | stabil $^{SF}$ | | 0+ | | 020,47 | |
| $^{157}$Gd | stabil | | 3/2− | | 15,65 | |
| $^{158}$Gd | stabil | | 0+ | | 024,84 | |
| $^{159}$Gd | 18,479 h | 0,971 | 3/2− | β$^−$ | | |
| $^{160}$Gd | stabil | | 0+ | 2β = ? | 21,86 | |
| $^{161}$Gd | 3,66 min | 1,956 | 5/2− | β$^−$ | | |
| $^{162}$Gd | 8,4 min | 1,39 | 0+ | β$^−$ | | |
| $^{163}$Gd | 68 s | 3,1 | (5/2−) | β$^−$ | | |
| $^{164}$Gd | 45 s | 2,3 | 0+ | β$^−$ | | |
| $^{165}$Gd | 10,3 s | | | β$^−$ | | 164,939 |

## $_{65}$ Terbium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{140}$Tb | 2,4 s | 10,8 (εβ$^+$), −0,3 (p), 7,3 (εp) | 5 | εβ$^+$ ≈ 100, p, εp = 0,26 | |
| $^{141}$Tb | 3,5 s | 8,3 | (5/2−) | εβ$^+$ | |
| $^{141m1}$Tb | 7,9 s | 8,3 | | εβ$^+$ | |
| $^{142}$Tb | 597 ms | 10,1 (εβ$^+$), 6,0 (εp) | 1+ | εβ$^+$ ≈ 100, εp = 0,0022 | |
| $^{142m1}$Tb | 303 ms | 0,28 (IT), 10,38 (εβ$^+$), 6,28 (εp) | (5−) | IT = 100, εβ$^+$ < 0,5 | |
| $^{143}$Tb | 12 s | 7,4 | (11/2−) | εβ$^+$ | |
| $^{143m1}$Tb | 21 s | 0,0 | (5/2+) | | |
| $^{144}$Tb | 1 s | 8,9 | (1+) | εβ$^+$ | |
| $^{144m1}$Tb | 4,25 s | 0,397 (IT), 9,297 (εβ$^+$) | (6−) | IT = 66, εβ$^+$ = 34 | |
| $^{145}$Tb | | 6,51 | (1/2+) | | |
| $^{145m1}$Tb | 29,5 s | 6,70 (εβ$^+$) | (11/2−) | εβ$^+$ | |
| $^{146}$Tb | 8 s | 8,08 | 1+ | εβ$^+$ | |
| $^{146m1}$Tb | 23 s | 8,08 | 5− | εβ$^+$ | |
| $^{146m2}$Tb | 1,18 ms | 0,78 | (10+) | IT | |
| $^{147}$Tb | 1,7 h | 4,609 | (1/2+) | εβ$^+$ | |
| $^{147m1}$Tb | 1,83 min | 4,660 | (11/2)− | εβ$^+$ | |
| $^{148}$Tb | 60 min | 5,69 | 2− | εβ$^+$ | |
| $^{148m1}$Tb | 2,20 min | 5,78 | 9+ | εβ$^+$ | |
| $^{149}$Tb | 4,118 h | 3,636 (εβ$^+$), 4,113 (α) | 1/2+ | εβ$^+$ = 83,3 , α = 16,7 | |
| $^{149m1}$Tb | 4,16 min | 3,672 (εβ$^+$), 4,077 (α) | 11/2− | εβ$^+$ = 99,978 , α = 0,022 | |
| $^{150}$Tb | 3,48 h | 4,656 (εβ$^+$), 3,587 (α) | (2−) | εβ$^+$ ≈ 100, α < 0,05 | |
| $^{150m1}$Tb | 5,8 min | 5,130 | 9+ | εβ$^+$ | |
| $^{151}$Tb | 17,609 h | 2,565 (εβ$^+$), 3,497 (α) | 1/2(+) | εβ$^+$ ≈ 100, α = 9,5·10$^{−3}$ | |
| $^{151m1}$Tb | 25 s | 0,099 (IT), 2,664 (εβ$^+$) | (11/2−) | IT = 93,8, εβ$^+$ = 6,2 | |
| $^{152}$Tb | 17,5 h | 3,990 (εβ$^+$), 3,090 (α) | 2− | εβ$^+$ ≈ 100, α < 7·10$^{−7}$ | |
| $^{152m1}$Tb | 4,2 min | 0,502 (IT), 4,492 (εβ$^+$) | 8+ | IT = 78,8, εβ$^+$ = 21,2 | |
| $^{153}$Tb | 2,34 d | 1,57 | 5/2+ | εβ$^+$ | |
| $^{154}$Tb | 21,5 h | 3,56 (εβ$^+$), 0,25 (β$^−$) | 0 | εβ$^+$ ≈ 100, β$^−$ < 0,1 | |
| $^{154m1}$Tb | 9,4 h | 3,56 (εβ$^+$), 0,0 (IT), 0,25 (β$^−$) | 3− | εβ$^+$ = 78,2, IT = 21,8, β$^−$ < 0,1 | |
| $^{154m2}$Tb | 22,7 h | 3,56 (εβ$^+$), 0,0 (IT) | 7− | εβ$^+$ = 98,2, IT = 1,8 | |
| $^{154m3}$Tb | 513 ns | | | | |
| $^{155}$Tb | 5,32 d | 0,821 | 3/2+ | ε | |
| $^{156}$Tb | 5,35 d | 2,444 (εβ$^+$), 0,434 (β$^−$) | 3− | εβ$^+$ ≈ 100, β$^−$ = ? | |
| $^{156m1}$Tb | 24,4 h | 0,05 | (7−) | IT | |
| $^{156m2}$Tb | 5,3 h | 0,088 (IT), 2,532 (εβ$^+$) | (0+) | IT = ?, εβ$^+$ = ? | |
| $^{157}$Tb | 71 a | 0,060 | 3/2+ | ε | |
| $^{158}$Tb | 180 a | 1,220 (εβ$^+$), 0,937 (β$^−$) | 3− | εβ$^+$ = 83,4, β$^−$ = 16,6 | |
| $^{158m1}$Tb | 10,70 s | 0,110 (IT), 1,047 (β$^−$), 1,330 (εβ$^+$) | 0− | IT = 100, β$^−$ < 0,6, εβ$^+$ < 0,01 | |
| $^{158m2}$Tb | 0,4 ms | 0,388 (IT) | 7− | IT | |
| $^{159}$Tb | stabil | | 3/2+ | | 100 |
| $^{160}$Tb | 72,3 d | 1,835 | 3− | β$^−$ | |
| $^{161}$Tb | 6,88 d | 0,593 | 3/2+ | β$^−$ | |
| $^{162}$Tb | 7,60 min | 2,510 | 1− | β$^−$ | |
| $^{163}$Tb | 19,5 min | 1,785 | 3/2+ | β$^−$ | |
| $^{164}$Tb | 3,0 min | 3,89 | (5+) | β$^−$ | |
| $^{165}$Tb | 2,11 min | 3,0 | (3/2+) | β$^−$ | |

## $_{66}$ Dysprosium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{141}$Dy | 0,9 s | 9,3 (εβ$^+$), 8,8 (εp) | (9/2−) | εβ$^+$ ≈ 100, εp = ? | |
| $^{142}$Dy | 2,3 s | 6,9 (εβ$^+$), 5,7 (εp) | 0+ | εβ$^+$ ≈ 100, εp = 0,06 | |
| $^{143}$Dy | 4,1 s | 8,8 (εβ$^+$), 7,6 (εp) | (1/2+) | εβ$^+$ ≈ 100, εp = ? | |
| $^{144}$Dy | 9,1 s | 6,2 (εβ$^+$), 4,1 (εp) | 0+ | εβ$^+$ ≈ 100, εp = ? | |
| $^{145}$Dy | 10 s | 7,72 | (1/2+) | εβ$^+$ | |
| $^{145m1}$Dy | 13,6 s | 7,72 | (11/2−) | εβ$^+$ | |
| $^{146}$Dy | 29 s | 5,16 | 0+ | εβ$^+$ | |
| $^{146m1}$Dy | 150 ms | 2,936 | (10+) | IT | |
| $^{147}$Dy | 40 s | 6,37 (εβ$^+$), 4,43 (εp) | 1/2+ | εβ$^+$ ≈ 100, εp = ? | |
| $^{147m1}$Dy | 55 s | 7,121 (εβ$^+$), 0,751 (IT) | 11/2− | εβ$^+$ = 65, IT = 35 | |
| $^{148}$Dy | 3,1 min | 2,678 | 0+ | εβ$^+$ | |
| $^{149}$Dy | 4,20 min | 3,812 | (7/2−) | εβ$^+$ | |
| $^{149m1}$Dy | 490 ms | 2,661 (IT), 6,473 (εβ$^+$) | (27/2−) | IT = 99,3, εβ$^+$ = 0,7 | |
| $^{150}$Dy | 7,17 min | 4,351 (α), 1,794 (εβ$^+$) | 0+ | α = 36, εβ$^+$ = 64 | |
| $^{151}$Dy | 17,9 min | 2,87 (εβ$^+$), 4,180 (α) | 7/2(−) | εβ$^+$ = 94,4, α = 5,6 | |
| $^{152}$Dy | 2,38 h | 0,60 (εβ$^+$), 3,727 (α) | 0+ | ε(?) = 99,900, α = 0,100 | |
| $^{153}$Dy | 6,4 h | 2,17 (εβ$^+$), 3,559 (α) | 7/2(−) | εβ$^+$ ≈ 100, α = 0,0094 | |
| $^{154}$Dy | 3,0·10$^6$ a | 2,947 | 0+ | α | |
| $^{155}$Dy | 9,9 h | 2,095 | 3/2− | εβ$^+$ | |
| $^{155m1}$Dy | 6 µs | 0,234 | 11/2− | IT | |
| $^{156}$Dy | stabil $^{α,2ε}$ | | 0+ | | 000,06 |
| $^{157}$Dy | 8,14 h | 1,341 | 3/2− | εβ$^+$ | |
| $^{157m1}$Dy | 21,6 ms | 0,199 | 11/2− | IT | |
| $^{158}$Dy | stabil | | 0+ | | 000,10 |
| $^{159}$Dy | 144,4 d | 0,366 | 3/2− | ε | |
| $^{160}$Dy | stabil | | 0+ | | 002,34 |
| $^{161}$Dy | stabil | | 5/2+ | | 018,9 |
| $^{162}$Dy | stabil | | 0+ | | 025,5 |
| $^{163}$Dy | stabil | | 5/2− | | 024,9 |
| $^{164}$Dy | stabil | | 0+ | | 028,2 |
| $^{165}$Dy | 2,334 h | 1,286 | 7/2+ | β$^−$ | |
| $^{165m1}$Dy | 1,257 min | 0,108 (IT), 1,394 (β$^−$) | 1/2− | IT = 97,76, β$^−$ = 2,24 | |
| $^{166}$Dy | 81,6 h | 0,486 | 0+ | β$^−$ | |
| $^{167}$Dy | 6,20 min | 2,35 | (1/2−) | β$^−$ | |
| $^{168}$Dy | 8,7 min | 1,6 | 0+ | β$^−$ | |
| $^{169}$Dy | 39 s | 3,2 | (5/2−) | β$^−$ | |

## $_{67}$ Holmium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{144}$Ho | 0,7 s | 11,8 (εβ$^+$), 8,7 (εp) | | εβ$^+$ ≈ 100, εp = ? | |
| $^{145}$Ho | 2,4 s | | (11/2−) | εβ$^+$ | |
| $^{146}$Ho | 3,6 s | 10,7 (εβ$^+$), 7,0 (εp) | (10+) | εβ$^+$ ≈ 100, εp = ? | |
| $^{147}$Ho | 5,8 s | 8,1 (εβ$^+$), 4,5 (εp) | (11/2−) | εβ$^+$ ≈ 100, εp = ? | |
| $^{148}$Ho | 2,2 s | 9,4 | 1+ | εβ$^+$ | |
| $^{148m1}$Ho | 9,59 s | 9,4 (εβ$^+$), 5,0 (εp) | 6− | εβ$^+$ ≈ 100, εp = 0,08 | |
| $^{148m2}$Ho | 2,35 ms | | (10+) | IT | |
| $^{149}$Ho | 21,1 s | 6,014 | (11/2−) | εβ$^+$ | |
| $^{149m1}$Ho | 56 s | 6,063 | (1/2+) | εβ$^+$ | |
| $^{150}$Ho | 72 s | 7,240 | 2− | εβ$^+$ | |
| $^{150m1}$Ho | 23,3 s | 8,040 | (9)+ | εβ$^+$ | |
| $^{151}$Ho | 35,2 s | 5,142 (εβ$^+$), 4,695 (α) | (11/2−) | εβ$^+$ = 78, α = 22 | |
| $^{151m1}$Ho | 47,2 s | 4,736 (α), 5,165 (εβ$^+$) | (1/2+) | α = 80$\left.^{+15}_{-20}\right.$, εβ$^+$ = 20$\left.^{+20}_{-15}\right.$ | |
| $^{152}$Ho | 161,8 s | 4,507 (α), 6,550 (εβ$^+$) | 2− | α = 12 , εβ$^+$ = 88 | |
| $^{152m1}$Ho | 50,0 s | 4,667 (α), 6,710 (εβ$^+$) | 9+ | α = 10,8 , εβ$^+$ = 89,2 | |
| $^{153}$Ho | 2,01 min | 4,129 (εβ$^+$), 4,015 (α) | 11/2− | εβ$^+$ = 99,949, α = 0,051 | |
| $^{153m1}$Ho | 9,3 min | 4,179 (εβ$^+$), 4,119 (α) | 1/2+ | εβ$^+$ = 99,82, α = 0,18 | |
| $^{154}$Ho | 11,76 min | 5,751 (εβ$^+$), 4,042 (α) | (2)− | εβ$^+$ = 99,981, α = 0,019 | |
| $^{154m1}$Ho | 3,10 min | 6,071 (εβ$^+$), 4,362 (α), 0,320 (IT) | 8+ | εβ$^+$ ≈ 100, α < 0,001, IT ≈ 0 | |
| $^{155}$Ho | 48 min | 3,102 | 5/2+ | εβ$^+$ | |
| $^{156}$Ho | 56 min | 5,06 | (4+) | εβ$^+$ | |
| $^{156m1}$Ho | 9,5 s | 5,06 | (1+) | IT = ?, εβ$^+$ = ? | |
| $^{157}$Ho | 12,6 min | 2,54 | 7/2− | εβ$^+$ | |
| $^{158}$Ho | 11,3 min | 4,23 | 5+ | εβ$^+$ | |
| $^{158m1}$Ho | 28 min | 4,297 (εβ$^+$), 0,067 (IT) | 2− | εβ$^+$ < 19, IT > 81 | |
| $^{158m2}$Ho | 21,3 min | 4,41 (εβ$^+$), 0,18 (IT) | (9+) | εβ$^+$ > 93, IT < 7 | |
| $^{159}$Ho | 33,05 min | 1,838 | 7/2− | εβ$^+$ | |
| $^{159m1}$Ho | 8,30 s | 0,206 | 1/2+ | IT | |
| $^{160}$Ho | 25,6 min | 3,29 | 5+ | εβ$^+$ | |
| $^{160m1}$Ho | 5,02 h | 0,06 (IT), 3,35 (εβ$^+$) | 2− | IT = 65, εβ$^+$ = 35 | |
| $^{160m2}$Ho | 3 s | 0,17 | (9+) | IT | |
| $^{161}$Ho | 2,48 h | 0,895 | 7/2− | ε | |
| $^{161m1}$Ho | 6,76 s | 0,211 | 1/2+ | IT | |
| $^{162}$Ho | 15,0 min | 2,14 | 1+ | εβ$^+$ | |
| $^{162m1}$Ho | 67,0 min | 0,106 (IT), 2,246 (εβ$^+$) | 6− | IT = 62, εβ$^+$ = 38 | |
| $^{163}$Ho | 4570 a | 0,003 | 7/2− | ε | |
| $^{163m1}$Ho | 1,09 s | 0,298 | 1/2+ | IT | |
| $^{164}$Ho | 29 min | 0,987 (ε), 0,962 (β$^−$) | 1+ | ε = 60 , β$^−$ = 40 | |
| $^{164m1}$Ho | 37,5 min | 0,140 | 6− | IT | |
| $^{165}$Ho | stabil | | 7/2− | | 100 |
| $^{166}$Ho | 26,83 h | 1,855 | 0− | β$^−$ | |
| $^{166m1}$Ho | 1200 a | 1,861 | (7)− | β$^−$ | |
| $^{167}$Ho | 3,1 h | 1,007 | 7/2− | β$^−$ | |
| $^{168}$Ho | 2,99 min | 2,910 | 3+ | β$^−$ | |
| $^{168m1}$Ho | 132 s | 0,059 (IT), 2,969 (β$^−$) | (6+) | IT > 99,5, β$^−$ < 0,5 | |
| $^{169}$Ho | 4,7 min | 2,124 | 7/2− | β$^−$ | |
| $^{170}$Ho | 2,76 min | 3,87 | (6+) | β$^−$ | |
| $^{170m1}$Ho | 43 s | 3,99 | (1+) | β$^−$ | |
| $^{171}$Ho | 53 s | 3,2 | (7/2−) | β$^−$ | |
| $^{172}$Ho | 25 s | | | β$^−$ | |

## $_{68}$ Erbium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{145}$Er | 0,9 s | | (11/2−) | εβ$^+$ ≈ 100, εp = ? | |
| $^{146}$Er | 1,7 s | | 0+ | εβ$^+$ ≈ 100, εp = ? | |
| $^{147}$Er | 2,5 s | 9,1 (εβ$^+$), 8,4 (εp) | (11/2−) | εβ$^+$ ≈ 100, εp = ? | |
| $^{147m1}$Er | 2,5 s | 9,1 (εβ$^+$), 8,4 (εp) | (1/2+) | εβ$^+$ ≈ 100, εp = ? | |
| $^{148}$Er | 4,6 s | 6,8 (εβ$^+$) | 0+ | εβ$^+$ ≈ 100, εp ≈ 0,15 | |
| $^{149}$Er | 4 s | 7,7 (εβ$^+$), 6,7 (εp) | (1/2+) | εβ$^+$ ≈ 100, εp = 7 | |
| $^{149m1}$Er | 8,9 s | 8,882 (εβ$^+$), 0,742 (IT), 7,442 (εp) | (11/2−) | εβ$^+$ = 96,5, IT = 3,5, εp = 0,18 | |
| $^{150}$Er | 18,5 s | 4,108 | 0+ | εβ$^+$ | |
| $^{151}$Er | 23,5 s | 5,40 | (7/2−) | εβ$^+$ | |
| $^{151m1}$Er | 0,58 s | 2,586 (IT), 7,986 (εβ$^+$) | (27/2−) | IT = 95,3, εβ$^+$ = 4,7 | |
| $^{152}$Er | 10,3 s | 3,109 (εβ$^+$), 4,934 (α) | 0+ | εβ$^+$ = 10, α = 90 | |
| $^{153}$Er | 37,1 s | 4,803 (α), 4,564 (εβ$^+$) | (7/2−) | α = 53, εβ$^+$ = 47 | |
| $^{154}$Er | 3,73 min | 2,032 (εβ$^+$), 4,280 (α) | 0+ | εβ$^+$ = 99,53, α = 0,47 | |
| $^{154m1}$Er | 39 ns | 3,025 (IT), 7,305 (α) | 11− | IT ≈ 100, α ≈ 0 | |
| $^{155}$Er | 5,3 min | 3,84 (εβ$^+$), 4,12 (α) | 7/2− | εβ$^+$ = 99,978, α = 0,022 | |
| $^{156}$Er | 19,5 min | 1,37 | 0+ | εβ$^+$ | |
| $^{157}$Er | 18,65 min | 3,50 (εβ$^+$), 3,30 (α) | 3/2− | εβ$^+$ ≈ 100, α < 0,02 | |
| $^{157m1}$Er | 76 ms | 0,155 | (9/2+) | IT | |
| $^{158}$Er | 2,29 h | 0,90 | 0+ | ε | |
| $^{159}$Er | 36 min | 2,769 | 3/2− | εβ$^+$ | |
| $^{160}$Er | 28,58 h | 0,33 | 0+ | ε | |
| $^{161}$Er | 3,21 h | | 3/2− | εβ$^+$ | |
| $^{162}$Er | stabil $^{α,2ε}$ | | 0+ | | 000,14 |
| $^{163}$Er | 75,0 min | 1,210 | 5/2− | εβ$^+$ | |
| $^{164}$Er | stabil $^{α,2ε}$ | | 0+ | | 001,61 |
| $^{165}$Er | 10,36 h | 0,376 | 5/2− | ε | |
| $^{166}$Er | stabil | | 0+ | | 033,6 |
| $^{167}$Er | stabil | | 7/2+ | | 022,95 |
| $^{167m1}$Er | 2,269 s | 0,208 | 1/2− | IT | |
| $^{168}$Er | stabil $^α$ | | 0+ | | 026,8 |
| $^{169}$Er | 9,40 d | 0,351 | 1/2− | β$^−$ | |
| $^{170}$Er | stabil | | 0+ | | 014,9 |
| $^{171}$Er | 7,516 h | 1,490 | 5/2− | β$^−$ | |
| $^{172}$Er | 49,3 h | 0,891 | 0+ | β$^−$ | |
| $^{173}$Er | 1,4 min | 2,6 | (7/2−) | β$^−$ | |
| $^{174}$Er | 3,3 min | 1,8 | 0+ | β$^−$ | |
| $^{175}$Er | 1,2 min | | (9/2+) | β$^−$ | |

## $_{69}$ Thulium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{146}$Tm | 235 ms | 1,128 | (10+) | εβ$^+$ ≈ 55, p ≈ 45 | |
| $^{146m1}$Tm | 72 ms | 1,128 | (5−,6−) | p = 100, εβ$^+$ = ? | |
| $^{147}$Tm | 0,56 s | 10,7 (εβ$^+$), 1,061 (p) | (11/2−) | εβ$^+$ ≈ 90, p ≈ 10 | |
| $^{147m1}$Tm | 360 µs | 1,061 | (1/2+,3/2+) | p | |
| $^{148}$Tm | 0,7 s | 12,0 | (10+) | εβ$^+$ | |
| $^{149}$Tm | 0,9 s | 9,6 (εβ$^+$), 6,9 (εp) | (11/2−) | εβ$^+$ ≈ 100, εp = 0,2$\left.^{+2}_{-1}\right.$ | |
| $^{150}$Tm | 2,2 s | 11,1 (εβ$^+$) | (6−) | εβ$^+$ ≈ 100, εp = 1,2 | |
| $^{150m1}$Tm | 5,2 ms | 0,672 (IT) | (10+) | IT | |
| $^{151}$Tm | 4,17 s | 7,4 | (11/2−) | εβ$^+$ | |
| $^{151m1}$Tm | 6,6 s | 7,4 | (1/2+) | εβ$^+$ | |
| $^{152}$Tm | 8,0 s | 8,6 | (2)− | εβ$^+$ | |
| $^{152m1}$Tm | 5,2 s | 8,6 | (9)+ | εβ$^+$ | |
| $^{152m2}$Tm | 249 ms | 2,555 | 17+ | IT | |
| $^{152m3}$Tm | 42 ns | 6,3 | | IT | |
| $^{153}$Tm | 1,48 s | 5,248 (α), 6,459 (εβ$^+$) | (11/2−) | α = 91, εβ$^+$ = 9 | |
| $^{153m1}$Tm | 2,5 s | 5,291 (α), 6,502 (εβ$^+$) | (1/2+) | α = 92 , εβ$^+$ = 8 | |
| $^{154}$Tm | 8,1 s | 8,05 (εβ$^+$), 5,09 (α) | (2−) | εβ$^+$ = 56, α = 44 | |
| $^{154m1}$Tm | 3,30 s | 5,09 (α), 8,05 (εβ$^+$), 0 (IT) | (9+) | α = 90, εβ$^+$ = 10, IT = ? | |
| $^{155}$Tm | 21,6 s | 5,580 (εβ$^+$), 4,571 (α) | (11/2−) | εβ$^+$ = 98,1, α = 1,9 | |
| $^{155m1}$Tm | 45 s | 5,621 (εβ$^+$), 4,612 (α) | (1/2+) | εβ$^+$ > 92, α < 8 | |
| $^{156}$Tm | 83,8 s | 7,44 (εβ$^+$), 4,34 (α) | 2− | εβ$^+$ = 99,936, α = 0,064 | |
| $^{156m1}$Tm | 19 s | 4,34 | | α = ? | |
| $^{157}$Tm | 3,63 min | 4,48 | 1/2+ | εβ$^+$ | |
| $^{158}$Tm | 3,98 min | 6,60 | 2− | εβ$^+$ | |
| $^{158m1}$Tm | 20 ns | | (5+) | | |
| $^{158m2}$Tm | 16 ns | | (9−) | | |
| $^{159}$Tm | 9,13 min | 3,85 | 5/2+ | εβ$^+$ | |
| $^{160}$Tm | 9,4 min | 5,60 | 1− | εβ$^+$ | |
| $^{160m1}$Tm | 74,5 s | 5,67 (εβ$^+$), 0,07 (IT) | 5 | εβ$^+$ = 15, IT = 85 | |
| $^{161}$Tm | 33 min | 3,16 | 7/2+ | εβ$^+$ | |
| $^{162}$Tm | 21,70 min | 4,81 | 1− | εβ$^+$ | |
| $^{162m1}$Tm | 24,3 s | 0,067 (IT), 4,887 (εβ$^+$) | 5+ | IT = 82, εβ$^+$ = 18 | |
| $^{163}$Tm | 1,810 h | 2,439 | 1/2+ | εβ$^+$ | |
| $^{164}$Tm | 2,0 min | 3,962 | 1+ | εβ$^+$ | |
| $^{164m1}$Tm | 5,1 min | 0 (IT), 3,962 (εβ$^+$) | 6− | IT ≈ 80, εβ$^+$ ≈ 20 | |
| $^{165}$Tm | 30,06 h | 1,592 | 1/2+ | εβ$^+$ | |
| $^{166}$Tm | 7,70 h | 3,040 | 2+ | εβ$^+$ | |
| $^{166m1}$Tm | 350 ms | | 6− | IT | |
| $^{167}$Tm | 9,25 d | 0,748 | 1/2+ | ε | |
| $^{168}$Tm | 93,1 d | 1,679 (εβ$^+$), 0,257 (β$^−$) | 3(+) | εβ$^+$ = 99,990, β$^−$ = 0,010 | |
| $^{169}$Tm | stabil | | 1/2+ | | 100 |
| $^{170}$Tm | 128,6 d | 0,314 (εβ$^+$), 0,968 (β$^−$) | 1− | ε = 0,131, β$^−$ = 99,869 | |
| $^{171}$Tm | 1,92 a | 0,096 | 1/2+ | β$^−$ | |
| $^{172}$Tm | 63,6 h | 1,880 | 2− | β$^−$ | |
| $^{173}$Tm | 8,24 h | 1,298 | (1/2+) | β$^−$ | |
| $^{174}$Tm | 5,4 min | 3,08 | (4)− | β$^−$ | |
| $^{175}$Tm | 15,2 min | 2,39 | 1/2+ | β$^−$ | |
| $^{176}$Tm | 1,9 min | 3,88 | (4+) | β$^−$ | |
| $^{177}$Tm | 85 s | 3,2 | (1/2+) | β$^−$ | |

## $_{70}$ Ytterbium

| Iso­top | Halbwerts­zeit | Zerfallsenergie (MeV) | Spin / Parität | Zerfallsart(en) (%) | NH (%) |
| $^{151}$Yb | 1,6 s | 9,1 (εβ$^+$), 9,0 (εp) | (1/2+) | εβ$^+$ ≈ 100, εp = ? | |
| $^{151m1}$Yb | 1,6 s | 9,1 | (11/2−) | εβ$^+$ ≈ 100, εp = ? | |
| $^{152}$Yb | 3,04 s | 5,47 (εβ$^+$), 4,5 (εp) | 0+ | εβ$^+$ ≈ 100, εp = ? | |
| $^{152m1}$Yb | 30 µs | 2,744 | 10+ | IT | |
| $^{153}$Yb | 4,2 s | 4,2 (α), 6,7 (εβ$^+$) | 7/2− | α = 50, εβ$^+$ = 50 | |
| $^{154}$Yb | 0,409 s | 5,474 (α), 4,49 (εβ$^+$) | 0+ | α = 92,6 , εβ$^+$ = 7,4 | |
| $^{155}$Yb | 1,800 s | 5,337 (α), 6,00 (εβ$^+$) | (7/2−) | α = 89, εβ$^+$ = 11 | |
| $^{156}$Yb | 26,1 s | 3,58 (εβ$^+$), 4,812 (α) | 0+ | εβ$^+$ = 90, α = 10 | |
| $^{157}$Yb | 38,6 s | 5,50 (εβ$^+$), 4,62 (α) | 7/2− | εβ$^+$ = 99,5, α = 0,5 | |
| $^{158}$Yb | 1,49 min | 4,171 (α), 2,670 (εβ$^+$) | 0+ | α ≈ 0,0021, εβ$^+$ | |
| $^{159}$Yb | 1,58 min | 5,05 | 5/2(−) | εβ$^+$ | |
| $^{160}$Yb | 4,8 min | 2,30 | 0+ | εβ$^+$ | |
| $^{161}$Yb | 4,2 min | 4,15 | 3/2− | εβ$^+$ | |
| $^{162}$Yb | 18,87 min | 1,66 | 0+ | εβ$^+$ | |
| $^{163}$Yb | 11,05 min | 3,37 | 3/2− | εβ$^+$ | |
| $^{164}$Yb | 75,8 min | 1,00 | 0+ | ε | |
| $^{165}$Yb | 9,9 min | 2,762 | 5/2− | εβ$^+$ | |
| $^{166}$Yb | 56,7 h | 0,304 | 0+ | ε | |
| $^{167}$Yb | 17,5 min | 1,954 | 5/2− | εβ$^+$ | |
| $^{168}$Yb | stabil | | 0+ | | 000,13 |
| $^{169}$Yb | 32,026 d | 0,909 | 7/2+ | ε | |
| $^{169m1}$Yb | 46 s | 0,024 | 1/2− | IT | |
| $^{170}$Yb | stabil | | 0+ | | 003,05 |
| $^{171}$Yb | stabil $^α$ | | 1/2− | | 014,3 |
| $^{171m1}$Yb | 5,25 ms | | 7/2+ | IT | |
| $^{172}$Yb | stabil | | 0+ | | 021,9 |
| $^{173}$Yb | stabil | | 5/2− | | 016,12 |
| $^{174}$Yb | stabil | | 0+ | | 031,8 |
| $^{174m1}$Yb | 830 µs | 1,518 | 6+ | IT | |
| $^{175}$Yb | 4,185 d | 0,470 | 7/2− | β$^−$ | |
| $^{175m1}$Yb | 68,2 ms | | 1/2− | IT | |
| $^{176}$Yb | stabil | | 0+ | | 012,7 |
| $^{176m1}$Yb | 11,4 s | 1,050 | (8−) | IT > 90, β$^−$ < 10 | |
| $^{177}$Yb | 1,911 h | 1,399 | (9/2+) | β$^−$ | |
| $^{177m1}$Yb | 6,41 s | 0,331 | (1/2−) | IT | |
| $^{178}$Yb | 74 min | 0,645 | 0+ | β$^−$ | |
| $^{179}$Yb | 8,0 min | 2,4 | (1/2−) | β$^−$ | |
| $^{180}$Yb | 2,4 min | | 0+ | β$^−$ | |

## Quellen

* ↑ Datenquelle
* ↑ Live Chart of Nuclides
Siehe auch Liste der Isotope#Weblinks
bis 10 ∙ 11 bis 20 ∙ 21 bis 30 ∙ 31 bis 40 ∙ 41 bis 50 ∙ 51 bis 60 ∙ 61 bis 70 ∙ 71 bis 80 ∙ 81 bis 90 ∙ 91 bis 100 ∙ ab 101