鈥的同位素
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標準原子質量 (Ar, 標準) |
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鈥(原子量:164.930329(5))的同位素,其中有1個同位素是在觀測上穩定的。
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[2] |
衰變 產物 [n 3] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率) |
---|---|---|---|---|---|---|---|---|
激發能量[n 1][n 2] | ||||||||
140Ho | 67 | 73 | 139.96854(54)# | 6(3) ms | 8+# | |||
141Ho | 67 | 74 | 140.96310(54)# | 4.1(3) ms | (7/2-) | |||
141mHo | 66(2) keV | 6.4(8) µs | (1/2+) | |||||
142Ho | 67 | 75 | 141.95977(54)# | 400(100) ms | β+ | 142Dy | (6 to 9) | |
p | 141Dy | |||||||
143Ho | 67 | 76 | 142.95461(43)# | 300# ms [>200 ns] |
β+ | 143Dy | 11/2-# | |
144Ho | 67 | 77 | 143.95148(32)# | 0.7(1) s | β+ | 144Dy | ||
β+, p | 143Tb | |||||||
145Ho | 67 | 78 | 144.94720(32)# | 2.4(1) s | β+ | 145Dy | (11/2-) | |
145mHo | 100(100)# keV | 100# ms | 5/2+# | |||||
146Ho | 67 | 79 | 145.94464(21)# | 3.6(3) s | β+ | 146Dy | (10+) | |
β+, p (不常見) | 145Tb | |||||||
147Ho | 67 | 80 | 146.94006(3) | 5.8(4) s | β+ | 147Dy | (11/2-) | |
β+, p (不常見) | 146Tb | |||||||
148Ho | 67 | 81 | 147.93772(14) | 2.2(11) s | β+ | 148Dy | (1+) | |
148m1Ho | 400(100)# keV | 9.49(12) s | β+ (99.92%) | 148Dy | (6)- | |||
β+, p (.08%) | 147Tb | |||||||
148m2Ho | 690(100)# keV | 2.35(4) ms | (10+) | |||||
149Ho | 67 | 82 | 148.933775(20) | 21.1(2) s | β+ | 149Dy | (11/2-) | |
149m1Ho | 48.80(20) keV | 56(3) s | β+ | 149Dy | (1/2+) | |||
149m2Ho | 7200(350) keV | >=100 ns | ||||||
150Ho | 67 | 83 | 149.933496(15) | 76.8(18) s | β+ | 150Dy | 2- | |
150m1Ho | -10(50) keV | 23.3(3) s | β+ | 150Dy | (9)+ | |||
150m2Ho | ~8000 keV | 751 ns | ||||||
151Ho | 67 | 84 | 150.931688(13) | 35.2(1) s | β+ (78%) | 151Dy | 11/2(-) | |
α (22%) | 147Tb | |||||||
151mHo | 41.0(2) keV | 47.2(10) s | α (77%) | 147Tb | 1/2(+) | |||
β+ (22%) | 151Dy | |||||||
152Ho | 67 | 85 | 151.931714(15) | 161.8(3) s | β+ (88%) | 152Dy | 2- | |
α (12%) | 148Tb | |||||||
152m1Ho | 160(1) keV | 50.0(4) s | 9+ | |||||
152m2Ho | 3019.59(19) keV | 8.4(3) µs | 19- | |||||
153Ho | 67 | 86 | 152.930199(6) | 2.01(3) min | β+ (99.94%) | 153Dy | 11/2- | |
α (.05%) | 149Tb | |||||||
153m1Ho | 68.7(3) keV | 9.3(5) min | β+ (99.82%) | 153Dy | 1/2+ | |||
α (.18%) | 149Tb | |||||||
153m2Ho | 2772 keV | 229(2) ns | (31/2+) | |||||
154Ho | 67 | 87 | 153.930602(9) | 11.76(19) min | β+ (99.98%) | 154Dy | 2- | |
α (.02%) | 150Tb | |||||||
154mHo | 238(30) keV | 3.10(14) min | β+ (99.99%) | 154Dy | 8+ | |||
α (.001%) | 150Tb | |||||||
IT (不常見) | 154Ho | |||||||
155Ho | 67 | 88 | 154.929103(19) | 48(1) min | β+ | 155Dy | 5/2+ | |
155mHo | 141.97(11) keV | 880(80) µs | 11/2- | |||||
156Ho | 67 | 89 | 155.92984(5) | 56(1) min | β+ | 156Dy | 4- | |
156m1Ho | 100(50)# keV | 7.8(3) min | β+ | 156Dy | (9+) | |||
IT | 156Ho | |||||||
156m2Ho | 52.4(5) keV | 9.5(15) s | 1- | |||||
157Ho | 67 | 90 | 156.928256(26) | 12.6(2) min | β+ | 157Dy | 7/2- | |
158Ho | 67 | 91 | 157.928941(29) | 11.3(4) min | β+ (93%) | 158Dy | 5+ | |
α (7%) | 154Tb | |||||||
158m1Ho | 67.200(10) keV | 28(2) min | IT (81%) | 158Ho | 2- | |||
β+ (19%) | 158Dy | |||||||
158m2Ho | 180(70)# keV | 21.3(23) min | (9+) | |||||
159Ho | 67 | 92 | 158.927712(4) | 33.05(11) min | β+ | 159Dy | 7/2- | |
159mHo | 205.91(5) keV | 8.30(8) s | IT | 159Ho | 1/2+ | |||
160Ho | 67 | 93 | 159.928729(16) | 25.6(3) min | β+ | 160Dy | 5+ | |
160m1Ho | 59.98(3) keV | 5.02(5) h | IT (65%) | 160Ho | 2- | |||
β+ (35%) | 160Dy | |||||||
160m2Ho | 197(16) keV | 3 s | (9+) | |||||
161Ho | 67 | 94 | 160.927855(3) | 2.48(5) h | ε | 161Dy | 7/2- | |
161mHo | 211.16(3) keV | 6.76(7) s | IT | 161Ho | 1/2+ | |||
162Ho | 67 | 95 | 161.929096(4) | 15.0(10) min | β+ | 162Dy | 1+ | |
162mHo | 106(7) keV | 67.0(7) min | IT (62%) | 162Ho | 6- | |||
β+ (38%) | 162Dy | |||||||
163Ho | 67 | 96 | 162.9287339(27) | 4570(25) a | ε | 163Dy | 7/2- | |
163mHo | 297.88(7) keV | 1.09(3) s | IT | 163Ho | 1/2+ | |||
164Ho | 67 | 97 | 163.9302335(30) | 29(1) min | ε (60%) | 164Dy | 1+ | |
β− (40%) | 164Er | |||||||
164mHo | 139.77(8) keV | 38.0(10) min [37.5(+15-5) min] |
IT | 164Ho | 6- | |||
165Ho | 67 | 98 | 164.9303221(27) | 觀測上穩定[n 4] | 7/2- | 1.0000 | ||
166Ho | 67 | 99 | 165.9322842(27) | 26.83(2) h | β− | 166Er | 0- | |
166m1Ho | 5.985(18) keV | 1,200(180) a | β− | 166Er | (7)- | |||
166m2Ho | 190.9052(20) keV | 185(15) µs | 3+ | |||||
167Ho | 67 | 100 | 166.933133(6) | 3.003(18) h | β− | 167Er | 7/2- | |
167mHo | 259.34(11) keV | 6.0(10) µs | 3/2+ | |||||
168Ho | 67 | 101 | 167.93552(3) | 2.99(7) min | β− | 168Er | 3+ | |
168m1Ho | 59(1) keV | 132(4) s | IT (99.5%) | 168Ho | (6+) | |||
β− (.5%) | 168Er | |||||||
168m2Ho | 143.4(2) keV | >4 µs | (1)- | |||||
168m3Ho | 192.6(2) keV | 108(11) ns | 1+ | |||||
169Ho | 67 | 102 | 168.936872(22) | 4.72(10) min | β− | 169Er | 7/2- | |
170Ho | 67 | 103 | 169.93962(5) | 2.76(5) min | β− | 170Er | 6+# | |
170mHo | 120(70) keV | 43(2) s | β− | 170Er | (1+) | |||
171Ho | 67 | 104 | 170.94147(64) | 53(2) s | β− | 171Er | 7/2-# | |
172Ho | 67 | 105 | 171.94482(43)# | 25(3) s | β− | 172Er | ||
173Ho | 67 | 106 | 172.94729(43)# | 10# s | β− | 173Er | 7/2-# | |
174Ho | 67 | 107 | 173.95115(54)# | 8# s | ||||
175Ho | 67 | 108 | 174.95405(64)# | 5# s | 7/2-# |
- ^ 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。
- ^ Believed to undergo α decay to 161Tb
← | 同位素列表 | → |
镝的同位素 | 鈥的同位素 | 铒的同位素 |
参考文獻
- ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 (英语).
- ^ 存档副本. [2015-09-20]. (原始内容存档于2017-02-19).
- 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.
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