Isotop samarium
Daftar isotop

| Nuklida | Z> Energi eksitasi | N> Energi eksitasi | Massa isotop (Da) > Energi eksitasi | Waktu paruh | Modepeluruhan | Isotopanak | Spin dan paritas | Kelimpahan alami (fraksi mol)> Proporsi normal | Kelimpahan alami (fraksi mol)> Rentang variasi |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 128Sm | 62 | 66 | 127,95808(54)# | 0,5# dtk |  |  | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 129Sm | 62 | 67 | 128,95464(54)# | 550(100) mdtk |  |  | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 130Sm | 62 | 68 | 129,94892(43)# | 1# dtk | β+ | 130Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 131Sm | 62 | 69 | 130,94611(32)# | 1,2(2) dtk | β+ | 131Pm | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 131Sm | 62 | 69 | 130,94611(32)# | 1,2(2) dtk | β+, p (langka) | 130Nd | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 132Sm | 62 | 70 | 131,94069(32)# | 4,0(3) dtk | β+ | 132Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 132Sm | 62 | 70 | 131,94069(32)# | 4,0(3) dtk | β+, p | 131Nd | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 133Sm | 62 | 71 | 132,93867(21)# | 2,90(17) dtk | β+ | 133Pm | (5/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 133Sm | 62 | 71 | 132,93867(21)# | 2,90(17) dtk | β+, p | 132Nd | (5/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 134Sm | 62 | 72 | 133,93397(21)# | 10(1) dtk | β+ | 134Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 135Sm | 62 | 73 | 134,93252(17) | 10,3(5) dtk | β+ (99,98%) | 135Pm | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 135Sm | 62 | 73 | 134,93252(17) | 10,3(5) dtk | β+, p (0,02%) | 134Nd | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 135mSm | 0(300)# keV | 0(300)# keV | 0(300)# keV | 2,4(9) dtk | β+ | 135Pm | (3/2+, 5/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 136Sm | 62 | 74 | 135,928276(13) | 47(2) dtk | β+ | 136Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 136mSm | 22647(11) keV | 22647(11) keV | 22647(11) keV | 15(1) μdtk |  |  | (8−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 137Sm | 62 | 75 | 136,92697(5) | 45(1) dtk | β+ | 137Pm | (9/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 137mSm | 180(50)# keV | 180(50)# keV | 180(50)# keV | 20# dtk | β+ | 137Pm | 1/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 138Sm | 62 | 76 | 137,923244(13) | 3,1(2) mnt | β+ | 138Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 139Sm | 62 | 77 | 138,922297(12) | 2,57(10) mnt | β+ | 139Pm | 1/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 139mSm | 457,40(22) keV | 457,40(22) keV | 457,40(22) keV | 10,7(6) dtk | IT (93,7%) | 139Sm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 139mSm | 457,40(22) keV | 457,40(22) keV | 457,40(22) keV | 10,7(6) dtk | β+ (6,3%) | 139Pm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 140Sm | 62 | 78 | 139,918995(13) | 14,82(12) mnt | β+ | 140Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 141Sm | 62 | 79 | 140,918476(9) | 10,2(2) mnt | β+ | 141Pm | 1/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 141mSm | 176,0(3) keV | 176,0(3) keV | 176,0(3) keV | 22,6(2) mnt | β+ (99,69%) | 141Pm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 141mSm | 176,0(3) keV | 176,0(3) keV | 176,0(3) keV | 22,6(2) mnt | IT (0,31%) | 141Sm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 142Sm | 62 | 80 | 141,915198(6) | 72,49(5) mnt | β+ | 142Pm | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 143Sm | 62 | 81 | 142,914628(4) | 8,75(8) mnt | β+ | 143Pm | 3/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 143m1Sm | 753,99(16) keV | 753,99(16) keV | 753,99(16) keV | 66(2) dtk | IT (99,76%) | 143Sm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 143m1Sm | 753,99(16) keV | 753,99(16) keV | 753,99(16) keV | 66(2) dtk | β+ (0,24%) | 143Pm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 143m2Sm | 27938(13) keV | 27938(13) keV | 27938(13) keV | 30(3) mdtk |  |  | 23/2(−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 144Sm | 62 | 82 | 143,911999(3) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,0307(7) |  |  |  |  |  |  |  |  |  |  |  |
| 144mSm | 2323,60(8) keV | 2323,60(8) keV | 2323,60(8) keV | 880(25) ndtk |  |  | 6+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 145Sm | 62 | 83 | 144,913410(3) | 340(3) hri | EC | 145Pm | 7/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 145mSm | 8786,2(7) keV | 8786,2(7) keV | 8786,2(7) keV | 990(170) ndtk [0,96(+19−15) μdtk] |  |  | (49/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 146Sm | 62 | 84 | 145,913041(4) | 6,8(7)×107 thn | α | 142Nd | 0+ | Renik |  |  |  |  |  |  |  |  |  |  |  |
| 147Sm | 62 | 85 | 146,9148979(26) | 1,06(2)×1011 thn | α | 143Nd | 7/2− | 0,1499(18) |  |  |  |  |  |  |  |  |  |  |  |
| 148Sm | 62 | 86 | 147,9148227(26) | 7(3)×1015 thn | α | 144Nd | 0+ | 0,1124(10) |  |  |  |  |  |  |  |  |  |  |  |
| 149Sm | 62 | 87 | 148.9171847(26) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 7/2− | 0,1382(7) |  |  |  |  |  |  |  |  |  |  |  |
| 150Sm | 62 | 88 | 149,9172755(26) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,0738(1) |  |  |  |  |  |  |  |  |  |  |  |
| 151Sm | 62 | 89 | 150,9199324(26) | 88,8(24) thn | β− | 151Eu | 5/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 151mSm | 261,13(4) keV | 261,13(4) keV | 261,13(4) keV | 1,4(1) μdtk |  |  | (11/2)− |  |  |  |  |  |  |  |  |  |  |  |  |
| 152Sm | 62 | 90 | 151,9197324(27) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,2675(16) |  |  |  |  |  |  |  |  |  |  |  |
| 153Sm | 62 | 91 | 152,9220974(27) | 46,284(4) jam | β− | 153Eu | 3/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 153mSm | 98,37(10) keV | 98,37(10) keV | 98,37(10) keV | 10,6(3) mdtk | IT | 153Sm | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 154Sm | 62 | 92 | 153,9222093(27) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,2275(29) |  |  |  |  |  |  |  |  |  |  |  |
| 155Sm | 62 | 93 | 154,9246402(28) | 22,3(2) mnt | β− | 155Eu | 3/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 156Sm | 62 | 94 | 155,925528(10) | 9,4(2) jam | β− | 156Eu | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 156mSm | 1397,55(9) keV | 1397,55(9) keV | 1397,55(9) keV | 185(7) ndtk |  |  | 5− |  |  |  |  |  |  |  |  |  |  |  |  |
| 157Sm | 62 | 95 | 156,92836(5) | 8,03(7) mnt | β− | 157Eu | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 158Sm | 62 | 96 | 157,92999(8) | 5,30(3) mnt | β− | 158Eu | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 159Sm | 62 | 97 | 158,93321(11) | 11,37(15) dtk | β− | 159Eu | 5/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 160Sm | 62 | 98 | 159,93514(21)# | 9,6(3) dtk | β− | 160Eu | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 161Sm | 62 | 99 | 160,93883(32)# | 4,8(8) dtk | β− | 161Eu | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 162Sm | 62 | 100 | 161,94122(54)# | 2,4(5) dtk | β− | 162Eu | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 163Sm | 62 | 101 | 162,94536(75)# | 1# dtk | β− | 163Eu | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 164Sm | 62 | 102 | 163,94828(86)# | 500# mdtk | β− | 164Eu | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 165Sm | 62 | 103 | 164,95298(97)# | 200# mdtk | β− | 165Eu | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
Header & footer tabel ini:  view 
↑  mSm –  Isomer nuklir tereksitasi.
↑  ( ) –  Ketidakpastian (1σ) diberikan dalam bentuk ringkas dalam tanda kurung setelah digit terakhir yang sesuai.
↑  # –  Massa atom bertanda #: nilai dan ketidakpastian yang diperoleh bukan dari data eksperimen murni, tetapi setidaknya sebagian dari tren dari Permukaan Massa (trends from the Mass Surface, TMS).
↑  Waktu paruh tebal –  hampir stabil, waktu paruh lebih lama dari umur alam semesta.
1 2 3  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
↑  
Mode peluruhan:


IT:Transisi isomerik

p:Emisi proton
↑  Simbol miring tebal sebagai anak –  Produk anak hampir stabil.
↑  Simbol tebal sebagai anak –  Produk anak stabil.
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
↑  Diyakini mengalami peluruhan β+β+ menjadi 144Nd
1 2  Radionuklida primordial
1 2 3 4 5 6  Produk fisi
↑  Digunakan dalam penanggalan samarium–neodimium
1 2  Racun neutron dalam reaktor
↑  Diyakini mengalami peluruhan α menjadi 145Nd dengan waktu paruh lebih dari 2×1015 tahun
↑  Diyakini mengalami peluruhan α menjadi 146Nd
↑  Diyakini mengalami peluruhan α menjadi 148Nd
↑  Diyakini mengalami peluruhan β−β− menjadi 154Gd dengan waktu paruh lebih dari 2,3×1018 tahun