铹的同位素
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图表
编辑| 符号 | Z | N | 同位素质量（u） [n 1][n 2] |
半衰期 [n 2] |
衰变 方式[2] |
衰变 产物 |
原子核 自旋[n 1] |
|---|---|---|---|---|---|---|---|
| 激发能量[n 1][n 2] | |||||||
| 252Lr[n 3] | 103 | 149 | 252.09526(26)# | 390(90) ms [0.36(+11−7) s] |
α (90%) | 248Md | |
| β+ (10%) | 252No | ||||||
| SF (1%) | (various) | ||||||
| 253Lr[n 4] | 103 | 150 | 253.09509(22)# | 580(70) ms [0.57(+7−6) s] |
α (90%) | 249Md | (7/2−) |
| SF (9%) | (various) | ||||||
| β+ (1%) | 253No | ||||||
| 253mLr[n 4] | 30(100)# keV | 1.5(3) s [1.5(+3−2) s] |
(1/2−) | ||||
| 254Lr[n 5] | 103 | 151 | 254.09648(32)# | 13(3) s | α (78%) | 250Md | |
| β+ (22%) | 254No | ||||||
| SF (.1%) | (various) | ||||||
| 255Lr | 103 | 152 | 255.096562(19) | 22(4) s | α (69%) | 251Md | 7/2−# |
| β+ (30%) | 255No | ||||||
| SF (1%) | (various) | ||||||
| 256Lr | 103 | 153 | 256.09849(9) | 27(3) s | α (80%) | 252Md | |
| β+ (20%) | 256No | ||||||
| SF (.01%) | (various) | ||||||
| 257Lr | 103 | 154 | 257.09942(5)# | 646(25) ms | α (99.99%) | 253Md | 9/2+# |
| β+ (.01%) | 257No | ||||||
| SF (.001%) | (various) | ||||||
| 258Lr | 103 | 155 | 258.10176(11)# | 4.1(3) s | α (95%) | 254Md | |
| β+ (5%) | 258No | ||||||
| 259Lr | 103 | 156 | 259.10290(8)# | 6.2(3) s | α (77%) | 255Md | 9/2+# |
| SF (23%) | (various) | ||||||
| β+ (.5%) | 259No | ||||||
| 260Lr | 103 | 157 | 260.10551(13)# | 2.7 min | α (75%) | 256Md | |
| β+ (15%) | 260No | ||||||
| SF (10%) | (various) | ||||||
| 261Lr | 103 | 158 | 261.10688(22)# | 44 min | SF | (various) | |
| α （不常见） | 257Md | ||||||
| 262Lr | 103 | 159 | 262.10961(22)# | 216 min | β+ | 262No | |
| α （不常见） | 258Md | ||||||
| 264Lr[n 6] | 103 | 161 | 264.11420(47)# | 4.8+2.2 −1.3 h[1] |
SF | (various) | |
| 266Lr[n 7] | 103 | 163 | 266.11983(56)# | 11 h | SF | (various) | |
- ^ 1.0 1.1 1.2 画上#号的数据代表没有经过实验的证明，仅为理论推测。
- ^ 2.0 2.1 2.2 用括号括起来的数据代表不确定性。
- ^ 未直接合成，是256Db的衰变产物
- ^ 4.0 4.1 未直接合成，是257Db的衰变产物
- ^ 未直接合成，是258Db的衰变产物
- ^ 未直接合成，是288Mc的衰变产物
- ^ 未直接合成，是294Ts的衰变产物
| ← | 同位素列表 | → |
| 锘的同位素 | 铹的同位素 | 𬬻的同位素 |
参考文献
编辑- ^ 1.0 1.1 Oganessian, Yu. Ts.; Utyonkov, V. K.; Kovrizhnykh, N. D.; et al. New isotope 286Mc produced in the 243Am+48Ca reaction. Physical Review C. 2022, 106 (064306). doi:10.1103/PhysRevC.106.064306.
- ^ Universal Nuclide Chart. nucleonica. [2015-11-04]. （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.