圖表
More information 符號, Z ...
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)# | 7000164800000000000♠1.648+0.43 −0.42 s[2] |
β− | 159Sm | 5/2−# | |
160Pm | 61 | 99 | 159.94299(32)# | 6999874000000000000♠874+16 −12 ms[2] |
β− | 160Sm | ||
161Pm | 61 | 100 | 160.94586(54)# | 6999724000000000000♠724+20 −12 ms[2] |
β− (98.91%) | 161Sm | 5/2−# | |
β−, n (1.09%) | 160Sm | |||||||
162Pm | 61 | 101 | 161.95029(75)# | 6999467000000000000♠467+38 −18 ms[2] |
β− (98.21%) | 162Sm | ||
β−, n (1.79%) | 161Sm | |||||||
163Pm | 61 | 102 | 162.95368(86)# | 6999362000000000000♠362+42 −30 ms[2] |
β− (95%) | 163Sm | 5/2−# | |
β−, n (1.79%) | 162Sm | |||||||
164Pm | 61 | 103 | 6999280000000000000♠280+38 −33 ms[2] |
β− (93.82%) | 164Sm | |||
β−, n (6.18%) | 163Sm | |||||||
165Pm | 61 | 104 | 6999297000000000000♠297+111 −101 ms[2] |
β− (86.74%) | 165Sm | |||
β−, n (13.26%) | 164Sm | |||||||
166Pm | 61 | 105 | 6999228000000000000♠228+131 −112 ms[2] |
β− | 166Sm | |||
β−, n | 165Sm |
Close
- 畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
- 用括號括起來的數據代表不確定性。
- 半衰期超過5億年的衰變產物以粗斜體表示。
- 裂變產物,也是151Eu的衰變產物
← | 同位素列表 | → |
釹的同位素 | 鉕的同位素 | 釤的同位素 |
參考文獻
- Universal Nuclide Chart. nucleonica. [2015-09-20]. (原始內容存檔於2017-02-19). 含有內容需登入查看的頁面 (link)
- 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 (頁面存檔備份,存於互聯網檔案館), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (頁面存檔備份,存於互聯網檔案館) (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.
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.