原子核滴线
在以原子核内中子数为横坐标，以质子数为纵坐标的核素图上,在丰质子一侧和丰中子一侧,各有一条边界线，超过边界线的原子核将只能以质子/中子发射为其衰变方式，称为原子核滴线，丰质子一侧的滴线称为质子滴线，丰中子一侧的滴线称为中子滴线。
已知的值
[编辑]中子滴线
[编辑]目前，只有前10种元素的中子滴线的值是已知的，即H~Ne。[1] 若Z = 8，中子数的最大值是16因而O-24是最重的氧同位素。[2]
| Z | 核素 |
|---|---|
| 1 | 3H |
| 2 | 8He |
| 3 | 11Li |
| 4 | 14Be |
| 5 | 17B |
| 6 | 22C |
| 7 | 23N |
| 8 | 24O |
| 9 | 31F |
| 10 | 34Ne |
质子滴线
[编辑]| Z | 核素 |
|---|---|
| 2 | 2He |
| 3 | 5Li |
| 4 | 6Be |
| 5 | 7B, 9B |
| 6 | 8C |
| 7 | 11N |
| 8 | 12O |
| 9 | 16F |
| 10 | 16Ne |
| 11 | 19Na |
| 12 | 19Mg |
| 13 | 21Al |
| 15 | 25P |
| 17 | 30Cl |
| 18 | 30Ar[3] |
| 19 | 34K |
| 21 | 39Sc |
| 22 | 38Ti[4] |
| 23 | 42V |
| 25 | 45Mn |
| 27 | 50Co |
| 29 | 55Cu |
| 30 | 54Zn[5] |
| 31 | 59Ga |
| 32 | 58Ge |
| 33 | 65As |
| 35 | 69Br |
| 37 | 73Rb |
| 39 | 77Y |
| 41 | 81Nb |
| 43 | 85Tc |
| 45 | 89Rh |
| 47 | 93Ag |
| 49 | 97In |
| 51 | 105Sb |
| 53 | 110I |
| 55 | 115Cs |
| 57 | 119La |
| 59 | 123Pr |
| 61 | 128Pm |
| 63 | 134Eu |
| 65 | 139Tb |
| 67 | 145Ho |
| 69 | 149Tm |
| 71 | 155Lu |
| 73 | 159Ta |
| 75 | 165Re |
| 77 | 171Ir |
| 79 | 175Au, 177Au |
| 81 | 181Tl |
| 83 | 189Bi |
| 85 | 195At |
| 87 | 201Fr |
| 89 | 207Ac |
| 91 | 214Pa |
| 93 | 219Np[6] |
参考文献
[编辑]- ^ Three First-ever Atomic Nuclei Created; New Super-heavy Aluminum Isotopes May Exist. Sciencedaily.com. 2007-10-27 [2010-04-06]. （原始内容存档于2019-05-09）.
- ^ Nuclear Physicists Examine Oxygen's Limits. Sciencedaily.com. 2007-09-18 [2010-04-06]. （原始内容存档于2019-05-10）.
- ^ Mukha, I.; et al. Deep excursion beyond the proton dripline. I. Argon and chlorine isotope chains. Physical Review C. 2018, 98 (6): 064308–1–064308–13. arXiv:1803.10951
. doi:10.1103/PhysRevC.98.064308.
- ^ Meierfrankenfeld, D.; Bury, A.; Thoennessen, M. Discovery of scandium, titanium, mercury, and einsteinium isotopes. Atomic Data and Nuclear Data Tables. 2011, 97 (2): 134–151. arXiv:1003.5128 . doi:10.1016/j.adt.2010.11.001.
- ^ Gross, J.L.; Claes, J.; Kathawa, J.; Thoennessen, M. Discovery of zinc, selenium, bromine, and neodymium isotopes. Atomic Data and Nuclear Data Tables. 2012, 98 (2): 75–94. arXiv:1012.2027 . doi:10.1016/j.adt.2011.12.001.
- ^ Zhang, Z. Y.; Gan, Z. G.; Yang, H. B.; et al. New isotope 220Np: Probing the robustness of the N = 126 shell closure in neptunium. Physical Review Letters. 2019, 122 (19): 192503. doi:10.1103/PhysRevLett.122.192503.
