原子核滴线
(重定向自中子滴線)
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 |
質子滴線
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.