鉕的同位素
(重定向自钷的同位素)
| |||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
圖表
符號 | Z | N | 同位素質量(u) [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[1] |
衰變 產物 [n 3][n 4] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率) |
---|---|---|---|---|---|---|---|---|
激發能量[n 1][n 2] | ||||||||
126Pm | 61 | 65 | 125.95752(54)# | 0.5# s | ||||
127Pm | 61 | 66 | 126.95163(64)# | 1# s | 5/2+# | |||
128Pm | 61 | 67 | 127.94842(43)# | 1.0(3) s | β+ | 128Nd | 6+# | |
p | 127Nd | |||||||
129Pm | 61 | 68 | 128.94316(43)# | 3# s [>200 ns] | β+ | 129Nd | 5/2+# | |
130Pm | 61 | 69 | 129.94045(32)# | 2.6(2) s | β+ | 130Nd | (5+,6+,4+) | |
β+, p (不常見) | 129Pr | |||||||
131Pm | 61 | 70 | 130.93587(21)# | 6.3(8) s | β+, p | 130Pr | 5/2+# | |
β+ | 131Nd | |||||||
132Pm | 61 | 71 | 131.93375(21)# | 6.2(6) s | β+ | 132Nd | (3+) | |
β+, p (5×10−5%) | 131Pr | |||||||
133Pm | 61 | 72 | 132.92978(5) | 15(3) s | β+ | 133Nd | (3/2+) | |
133mPm | 130.4(10) keV | 10# s | β+ | 133Nd | (11/2-) | |||
IT | 133Pm | |||||||
134Pm | 61 | 73 | 133.92835(6) | 22(1) s | β+ | 134Nd | (5+) | |
134mPm | 0(100)# keV | ~5 s | IT | 134Pm | (2+) | |||
135Pm | 61 | 74 | 134.92488(6) | 49(3) s | β+ | 135Nd | (5/2+,3/2+) | |
135mPm | 50(100)# keV | 40(3) s | β+ | 135Nd | (11/2-) | |||
136Pm | 61 | 75 | 135.92357(8) | 107(6) s | β+ | 136Nd | (5-) | |
136mPm | 130(120) keV | 47(2) s | β+ | 136Nd | (2+) | |||
137Pm | 61 | 76 | 136.920479(14) | 2# min | β+ | 137Nd | 5/2+# | |
137mPm | 150(50) keV | 2.4(1) min | β+ | 137Nd | 11/2- | |||
138Pm | 61 | 77 | 137.919548(30) | 10(2) s | β+ | 138Nd | 1+# | |
138mPm | 30(30) keV | 3.24(5) min | β+ | 138Nd | 5-# | |||
139Pm | 61 | 78 | 138.916804(14) | 4.15(5) min | β+ | 139Nd | (5/2)+ | |
139mPm | 188.7(3) keV | 180(20) ms | IT (99.83%) | 139Pm | (11/2)- | |||
β+ (.17%) | 139Nd | |||||||
140Pm | 61 | 79 | 139.91604(4) | 9.2(2) s | β+ | 140Nd | 1+ | |
140mPm | 420(40) keV | 5.95(5) min | β+ | 140Nd | 8- | |||
141Pm | 61 | 80 | 140.913555(15) | 20.90(5) min | β+ | 141Nd | 5/2+ | |
141m1Pm | 628.40(10) keV | 630(20) ns | 11/2- | |||||
141m2Pm | 2530.9(5) keV | >2 µs | ||||||
142Pm | 61 | 81 | 141.912874(27) | 40.5(5) s | β+ | 142Nd | 1+ | |
142mPm | 883.17(16) keV | 2.0(2) ms | IT | 142Pm | (8)- | |||
143Pm | 61 | 82 | 142.910933(4) | 265(7) d | β+ | 143Nd | 5/2+ | |
144Pm | 61 | 83 | 143.912591(3) | 363(14) d | β+ | 144Nd | 5- | |
144m1Pm | 840.90(5) keV | 780(200) ns | (9)+ | |||||
144m2Pm | 8595.8(22) keV | ~2.7 µs | (27+) | |||||
145Pm | 61 | 84 | 144.912749(3) | 17.7(4) a | ε | 145Nd | 5/2+ | |
α (2.8×10−7%) | 141Pr | |||||||
146Pm | 61 | 85 | 145.914696(5) | 5.53(5) a | ε (66%) | 146Nd | 3- | |
β− (34%) | 146Sm | |||||||
147Pm[n 5] | 61 | 86 | 146.9151385(26) | 2.6234(2) a | β− | 147Sm | 7/2+ | 痕量[n 6] |
148Pm | 61 | 87 | 147.917475(7) | 5.368(2) d | β− | 148Sm | 1- | |
148mPm | 137.9(3) keV | 41.29(11) d | β− (95%) | 148Sm | 5-,6- | |||
IT (5%) | 148Pm | |||||||
149Pm[n 5] | 61 | 88 | 148.918334(4) | 53.08(5) h | β− | 149Sm | 7/2+ | |
149mPm | 240.214(7) keV | 35(3) µs | 11/2- | |||||
150Pm | 61 | 89 | 149.920984(22) | 2.68(2) h | β− | 150Sm | (1-) | |
151Pm[n 5] | 61 | 90 | 150.921207(6) | 28.40(4) h | β− | 151Sm | 5/2+ | |
152Pm | 61 | 91 | 151.923497(28) | 4.12(8) min | β− | 152Sm | 1+ | |
152m1Pm | 140(90) keV | 7.52(8) min | 4- | |||||
152m2Pm | 250(150)# keV | 13.8(2) min | (8) | |||||
153Pm | 61 | 92 | 152.924117(12) | 5.25(2) min | β− | 153Sm | 5/2- | |
154Pm | 61 | 93 | 153.92646(5) | 1.73(10) min | β− | 154Sm | (0,1) | |
154mPm | 120(120) keV | 2.68(7) min | β− | 154Sm | (3,4) | |||
155Pm | 61 | 94 | 154.92810(3) | 41.5(2) s | β− | 155Sm | (5/2-) | |
156Pm | 61 | 95 | 155.93106(4) | 26.70(10) s | β− | 156Sm | 4- | |
157Pm | 61 | 96 | 156.93304(12) | 10.56(10) s | β− | 157Sm | (5/2-) | |
158Pm | 61 | 97 | 157.93656(14) | 4.8(5) s | β− | 158Sm | ||
159Pm | 61 | 98 | 158.93897(21)# | +0.43 −0.42 s 1.648[2] |
β− | 159Sm | 5/2−# | |
160Pm | 61 | 99 | 159.94299(32)# | +16 −12 ms 874[2] |
β− | 160Sm | ||
161Pm | 61 | 100 | 160.94586(54)# | +20 −12 ms 724[2] |
β− (98.91%) | 161Sm | 5/2−# | |
β−, n (1.09%) | 160Sm | |||||||
162Pm | 61 | 101 | 161.95029(75)# | +38 −18 ms 467[2] |
β− (98.21%) | 162Sm | ||
β−, n (1.79%) | 161Sm | |||||||
163Pm | 61 | 102 | 162.95368(86)# | +42 −30 ms 362[2] |
β− (95%) | 163Sm | 5/2−# | |
β−, n (1.79%) | 162Sm | |||||||
164Pm | 61 | 103 | +38 −33 ms 280[2] |
β− (93.82%) | 164Sm | |||
β−, n (6.18%) | 163Sm | |||||||
165Pm | 61 | 104 | +111 −101 ms 297[2] |
β− (86.74%) | 165Sm | |||
β−, n (13.26%) | 164Sm | |||||||
166Pm | 61 | 105 | +131 −112 ms 228[2] |
β− | 166Sm | |||
β−, n | 165Sm |
- ^ 1.0 1.1 1.2 1.3 畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
- ^ 2.0 2.1 2.2 用括號括起來的數據代表不確定性。
- ^ 穩定的衰變產物以粗體表示。
- ^ 半衰期超过5亿年的衰变产物以粗斜体表示。
- ^ 5.0 5.1 5.2 裂变产物
- ^ 裂变产物,也是151Eu的衰变产物
← | 同位素列表 | → |
釹的同位素 | 钷的同位素 | 釤的同位素 |
参考文獻
- ^ Universal Nuclide Chart
. nucleonica. [2015-09-20]. (原始内容存档于2017-02-19).
- ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Kiss, G. G.; Vitéz-Sveiczer, A.; Saito, Y.; et al. Measuring the β-decay properties of neutron-rich exotic Pm, Sm, Eu, and Gd isotopes to constrain the nucleosynthesis yields in the rare-earth region. The Astrophysical Journal. 2022, 936 (107): 107. Bibcode:2022ApJ...936..107K. doi:10.3847/1538-4357/ac80fc
.
- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties (页面存档备份,存于互联网档案馆), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (页面存档备份,存于互联网档案馆) (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.
|