鈇的同位素

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主要的鈇同位素
同位素 衰變
丰度 半衰期 (t1/2) 類型 產物
290Fl[1][2] syn 19 ? ε 290Nhennihonium-290
α 286Cnencopernicium-286
289Fl syn 1.9  α 285Cnencopernicium-285
288Fl syn 0.64  α 284Cnencopernicium-284
287Fl[3] syn 0.54  α 283Cnencopernicium-283
ε? 287Nhennihonium-287
286Fl syn 0.17  40% α 282Cnencopernicium-282
60% SF -
285Fl[4][5] syn 0.15  α 281Cnencopernicium-281
284Fl[4][5] syn 毫秒 SF -
※同位素依半衰期長度排序
←Nh113 Mc115

没有稳定的同位素

圖表[编辑]

符號 Z(p N(n 同位素質量(u 半衰期 衰變
方式
[n 1]
衰變
產物
原子核
自旋
激發能量
284Fl[6][4][5] 114 170 2.5 ms SF (variable) 0+
285Fl[4][5] 114 171 285.18364(47)# 150 ms[6] α 281Cn 3/2+#
286Fl[n 2] 114 172 286.18424(71)# 130 ms SF (60%)[n 3] (variable) 0+
α (40%) 282Cn
287Fl 114 173 287.18678(66)# 510(+180-100) ms α 283Cn
287mFl[n 4] 5.5 s α 283Cn
288Fl 114 174 288.18757(91)# 0.8(+27−16) s α 284Cn 0+
289Fl 114 175 289.19042(60)# 2.6(+12−7) s α 285Cn 5/2+#
289mFl[n 4] 1.1 min α 285Cn

備註:畫上#號的數據代表沒有經過實驗的證明,只是理論推測而已,而用括號括起來的代表數據不確定性。

同位素列表
鉨的同位素 鈇的同位素 鏌的同位素

註釋[编辑]

  1. ^ Abbreviations:
    SF: Spontaneous fission
  2. ^ Not directly synthesized, produced in decay chain of 294Uuo
  3. ^ Heaviest nuclide known to undergo spontaneous fission
  4. ^ 4.0 4.1 Existence of this isomer is uncertain

参考文獻[编辑]

  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.; 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. 
  2. ^ Kaji, Daiya; Morita, Kosuke; Morimoto, Kouji; Haba, Hiromitsu; Asai, Masato; Fujita, Kunihiro; Gan, Zaiguo; Geissel, Hans; Hasebe, Hiroo; Hofmann, Sigurd; Huang, MingHui; Komori, Yukiko; Ma, Long; Maurer, Joachim; Murakami, Masashi; Takeyama, Mirei; Tokanai, Fuyuki; Tanaka, Taiki; Wakabayashi, Yasuo; Yamaguchi, Takayuki; Yamaki, Sayaka; Yoshida, Atsushi. Study of the Reaction 48Ca + 248Cm → 296Lv* at RIKEN-GARIS. Journal of the Physical Society of Japan. 2017, 86: 034201–1–7. doi:10.7566/JPSJ.86.034201. 
  3. ^ 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. 
  4. ^ 4.0 4.1 4.2 4.3 Utyonkov, V.K. et al. (2015) Synthesis of superheavy nuclei at limits of stability: 239,240Pu + 48Ca and 249–251Cf + 48Ca reactions. Super Heavy Nuclei International Symposium, Texas A & M University, College Station TX, USA, March 31 – April 02, 2015 引用错误:带有name属性“Utyonkov”的<ref>标签用不同内容定义了多次
  5. ^ 5.0 5.1 5.2 5.3 Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu. Ts.; Rykaczewski, K. P.; Abdullin, F. Sh.; Dmitriev, S. N.; Grzywacz, R. K.; Itkis, M. G.; Miernik, K.; Polyakov, A. N.; Roberto, J. B.; Sagaidak, R. N.; Shirokovsky, I. V.; Shumeiko, M. V.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Sukhov, A. M.; Sabel'nikov, A. V.; Vostokin, G. K.; Hamilton, J. H.; Stoyer, M. A.; Strauss, S. Y. Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239,240Pu + 48Ca reactions. Physical Review C. 15 September 2015, 92 (3): 034609. Bibcode:2015PhRvC..92c4609U. doi:10.1103/PhysRevC.92.034609.  引用错误:带有name属性“284Fl”的<ref>标签用不同内容定义了多次
  6. ^ 6.0 6.1 V. K. Utyonkov. Synthesis of superheavy nuclei at limits of stability: 239,240Pu + 48Ca and 249-251Cf + 48Ca reactions (PDF). Super Heavy Nuclei International Symposium, Texas A & M University, College Station TX, USA. March 31 – April 2, 2015.