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鉨的同位素

2019-02-05 04:14:51     所属分类:各元素同位素列表
主要的鉨同位素
同位素 衰变
丰度 半衰期 (t1/2) 类型 产物
287Nh[1] syn 5.5 ? α 283Rgenroentgenium-283
290Nh[2] syn ? α 286Rgenroentgenium-286
286Nh syn α 282Rgenroentgenium-282
285Nh syn α 281Rgenroentgenium-281
284Nh syn α 280Rgenroentgenium-280
ε 284Cnencopernicium-284
283Nh syn 0.1  α 279Rgenroentgenium-279
282Nh syn 70 毫秒 α 278Rgenroentgenium-278
278Nh syn 1.4 毫秒 α 274Rgenroentgenium-274
※同位素依半衰期长度排序
←Cn(112) Fl(114)

的同位素

图表

符号 Z(p N(n 同位素质量(u) 半衰期 衰变
方式
衰变
产物
原子核
自旋
278Nh 113 165 278.17058(20)# 340 µs α 274Rg
279Nh 113 166 279.17095(75)#
280Nh 113 167 280.17293(75)#
281Nh 113 168 281.17348(75)#
282Nh 113 169 282.17567(39)# 73 ms α 278Rg
283Nh[n 1] 113 170 283.17657(52)# 100(+490−45) ms α 279Rg
284Nh[n 2] 113 171 284.17873(62)# 0.48(+58−17) s α 280Rg
285Nh[n 3] 113 172 285.17973(89)# 5.5 s[3] α 281Rg
286Nh[n 4] 113 173 286.18221(72)# 19.6 s[3] α 282Rg
287Nh 113 174 287.18339(81)# 20# min[n 5]

备注:画上#号的数据代表没有经过实验的证明,只是理论推测而已,而用括号括起来的代表数据不确定性。

同位素列表
鿔的同位素 鉨的同位素 ?的同位素

注释

  1. ^ Not directly synthesized, occurs as decay product of 287Mc
  2. ^ Not directly synthesized, occurs as decay product of 288Mc
  3. ^ Not directly synthesized, occurs in decay chain of 293Ts
  4. ^ Not directly synthesized, occurs in decay chain of 294Ts
  5. ^ Longest (estimated) half-life

参考文献

  1. ^ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Schneidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Pospiech, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. Remarks on the Fission Barriers of SHN and Search for Element 120. (编) Peninozhkevich, Yu. E.; Sobolev, Yu. G. Exotic Nuclei: EXON-2016 Proceedings of the International Symposium on Exotic Nuclei. Exotic Nuclei: 155–164. 2016. ISBN 9789813226555. 
  2. ^ Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Scheidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Popiesch, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. Review of even element super-heavy nuclei and search for element 120. The European Physics Journal A. 2016, 2016 (52). doi:10.1140/epja/i2016-16180-4. 
  3. ^ 3.0 3.1 Oganessian, Yu. Ts.; Abdullin, F. Sh.; Bailey, P. D.; Benker, D. E.; Bennett, M. E.; Dmitriev, S. N.; Ezold, J. G.; Hamilton, J. H.; 等. Synthesis of a New Element with Atomic Number Z=117. Physical Review Letters. 2010, 104 (14): 142502. Bibcode:2010PhRvL.104n2502O. PMID 20481935. doi:10.1103/PhysRevLett.104.142502. 
  • 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).
  • Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report)。Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005)。
  • 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,Nuc. Phys. A 729, pp. 3-128 (2003).
    • National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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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