Isotop serium
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 |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 119Ce | 58 | 61 | 118,95276(64)# | 200# mdtk | β+ | 119La | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 120Ce | 58 | 62 | 119,94664(75)# | 250# mdtk | β+ | 120La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 121Ce | 58 | 63 | 120,94342(54)# | 1,1(1) dtk | β+ | 121La | (5/2)(+#) |  |  |  |  |  |  |  |  |  |  |  |  |
| 122Ce | 58 | 64 | 121,93791(43)# | 2# dtk | β+ | 122La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 122Ce | 58 | 64 | 121,93791(43)# | 2# dtk | β+, p | 121Ba | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 123Ce | 58 | 65 | 122,93540(32)# | 3,8(2) dtk | β+ | 123La | (5/2)(+#) |  |  |  |  |  |  |  |  |  |  |  |  |
| 123Ce | 58 | 65 | 122,93540(32)# | 3,8(2) dtk | β+, p | 122Ba | (5/2)(+#) |  |  |  |  |  |  |  |  |  |  |  |  |
| 124Ce | 58 | 66 | 123,93041(32)# | 9,1(12) dtk | β+ | 124La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 125Ce | 58 | 67 | 124,92844(21)# | 9,3(3) dtk | β+ | 125La | (7/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 125Ce | 58 | 67 | 124,92844(21)# | 9,3(3) dtk | β+, p | 124Ba | (7/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 126Ce | 58 | 68 | 125,92397(3) | 51,0(3) dtk | β+ | 126La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 127Ce | 58 | 69 | 126,92273(6) | 29(2) dtk | β+ | 127La | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 128Ce | 58 | 70 | 127,91891(3) | 3,93(2) mnt | β+ | 128La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 129Ce | 58 | 71 | 128,91810(3) | 3,5(3) mnt | β+ | 129La | (5/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 130Ce | 58 | 72 | 129,91474(3) | 22,9(5) mnt | β+ | 130La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 130mCe | 2453,6(3) keV | 2453,6(3) keV | 2453,6(3) keV | 100(8) ndtk |  |  | (7−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 131Ce | 58 | 73 | 130,91442(4) | 10,2(3) mnt | β+ | 131La | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 131mCe | 61,8(1) keV | 61,8(1) keV | 61,8(1) keV | 5,0(10) mnt | β+ | 131La | (1/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 132Ce | 58 | 74 | 131,911460(22) | 3,51(11) jam | β+ | 132La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 132mCe | 2340,8(5) keV | 2340,8(5) keV | 2340,8(5) keV | 9,4(3) ms | IT | 132Ce | (8−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 133Ce | 58 | 75 | 132,911515(18) | 97(4) mnt | β+ | 133La | 1/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 133mCe | 37,1(8) keV | 37,1(8) keV | 37,1(8) keV | 4,9(4) hri | β+ | 133La | 9/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 134Ce | 58 | 76 | 133,908925(22) | 3,16(4) hri | EC | 134La | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 135Ce | 58 | 77 | 134,909151(12) | 17,7(3) jam | β+ | 135La | 1/2(+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 135mCe | 445,8(2) keV | 445,8(2) keV | 445,8(2) keV | 20(1) dtk | IT | 135Ce | (11/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 136Ce | 58 | 78 | 135,907172(14) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,00185(2) | 0,00185–0,00186 |  |  |  |  |  |  |  |  |  |  |
| 136mCe | 3095,5(4) keV | 3095,5(4) keV | 3095,5(4) keV | 2,2(2) µdtk |  |  | 10+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 137Ce | 58 | 79 | 136,907806(14) | 9,0(3) jam | β+ | 137La | 3/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 137mCe | 254,29(5) keV | 254,29(5) keV | 254,29(5) keV | 34,4(3) jam | IT (99,22%) | 137Ce | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 137mCe | 254,29(5) keV | 254,29(5) keV | 254,29(5) keV | 34,4(3) jam | β+ (0,779%) | 137La | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 138Ce | 58 | 80 | 137,905991(11) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,00251(2) | 0,00251–0,00254 |  |  |  |  |  |  |  |  |  |  |
| 138mCe | 2129,17(12) keV | 2129,17(12) keV | 2129,17(12) keV | 8,65(20) mdtk | IT | 138Ce | 7- |  |  |  |  |  |  |  |  |  |  |  |  |
| 139Ce | 58 | 81 | 138,906653(8) | 137,641(20) hri | EC | 139La | 3/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 139mCe | 754,24(8) keV | 754,24(8) keV | 754,24(8) keV | 56,54(13) dtk | IT | 139Ce | 11/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 140Ce | 58 | 82 | 139,9054387(26) | Stabil | Stabil | Stabil | 0+ | 0,88450(51) | 0,88446–0,88449 |  |  |  |  |  |  |  |  |  |  |
| 140mCe | 2107,85(3) keV | 2107,85(3) keV | 2107,85(3) keV | 7,3(15) µdtk |  |  | 6+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 141Ce | 58 | 83 | 140,9082763(26) | 32,508(13) hri | β− | 141Pr | 7/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 142Ce | 58 | 84 | 141,909244(3) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,11114(51) | 0,11114–0,11114 |  |  |  |  |  |  |  |  |  |  |
| 143Ce | 58 | 85 | 142,912386(3) | 33,039(6) jam | β− | 143Pr | 3/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 144Ce | 58 | 86 | 143,913647(4) | 284,91(5) hri | β− | 144mPr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 145Ce | 58 | 87 | 144,91723(4) | 3,01(6) mnt | β− | 145Pr | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 146Ce | 58 | 88 | 145,91876(7) | 13,52(13) mnt | β− | 146Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 147Ce | 58 | 89 | 146,92267(3) | 56,4(10) dtk | β− | 147Pr | (5/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 148Ce | 58 | 90 | 147,92443(3) | 56(1) dtk | β− | 148Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 149Ce | 58 | 91 | 148,9284(1) | 5,3(2) dtk | β− | 149Pr | (3/2−)# |  |  |  |  |  |  |  |  |  |  |  |  |
| 150Ce | 58 | 92 | 149,93041(5) | 4,0(6) dtk | β− | 150Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 151Ce | 58 | 93 | 150,93398(11) | 1,02(6) dtk | β− | 151Pr | 3/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 152Ce | 58 | 94 | 151,93654(21)# | 1,4(2) dtk | β− | 152Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 153Ce | 58 | 95 | 152,94058(43)# | 500# mdtk [>300 ndtk] | β− | 153Pr | 3/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 154Ce | 58 | 96 | 153.94342(54)# | 300# mdtk [>300 ndtk] | β− | 154Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 155Ce | 58 | 97 | 154,94804(64)# | 200# mdtk [>300 ndtk] | β− | 155Pr | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 156Ce | 58 | 98 | 155,95126(64)# | 150# mdtk | β− | 156Pr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 157Ce | 58 | 99 | 156,95634(75)# | 50# mdtk | β− | 157Pr | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
Header & footer tabel ini:  view 
↑  mCe –  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).
1 2  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
↑  
Mode peluruhan:


EC:Penangkapan elektron

IT:Transisi isomerik

p:Emisi proton
↑  Simbol tebal sebagai anak –  Produk anak stabil.
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
↑  Diteorikan mengalami peluruhan β+β+ menjadi 136Ba dengan waktu paruh lebih dari 38×1015 tahun
↑  Diteorikan mengalami peluruhan β+β+ menjadi 138Ba dengan waktu paruh lebih dari 150×1012 tahun
1 2 3 4 5  Produk fisi
↑  Secara teoritis mampu mengalami fisi spontan
↑  Diteorikan mengalami peluruhan β−β− menjadi 142Nd atau α menjadi 138Ba dengan waktu paruh lebih dari 2,9×1018 tahun