跳转到内容

鑪的同位素

维基百科,自由的百科全书

主要的鑪同位素
同位素 衰變
丰度 半衰期 (t1/2) 方式 能量
MeV
產物
261Rf 人造 2.1  SF
α 8.51[1] 257No
261mRf 人造 74  α 8.29[1] 257No
263Rf 人造 11 分鐘 SF
265Rf 人造 1.1 分鐘[2] SF
267Rf 人造 48 分钟[3] SF
←Lr103 Db105

同位素均具有放射性。

圖表

[编辑]
符號 Z N 同位素質量(u[4]
[n 1][n 2]
半衰期[5]
[n 1][n 2]
衰變
方式
[5]
衰變
產物

原子核
自旋[5][n 1]
激發能量[n 1][n 2]
252Rf[6] 104 148 60+90
−30
 ns
SF (various) 0+
252mRf[6] 13+4
−3
 µs
SF (≤90%) (various) (6+)
IT (≥10%) 252Rf
253Rf[7] 104 149 253.10053(44)# 9.9(12) ms SF (83%) (various) (1/2+)
α (17%) 249No
253m1Rf[n 3] 200(150)# keV 52.8(44) µs[7] SF (various) (7/2+)
253m2Rf[7] >1020 keV 660+400
−180
 µs
IT 253m1Rf
254Rf 104 150 254.10006(30)# 22.9(10) µs SF (various) 0+
254m1Rf 1300(200)# keV 4.3(7) µs IT 254Rf 8−#
254m2Rf 2000(500)# keV 247(73) µs IT 254m1Rf 16+#
255Rf[8] 104 151 255.10127(19)# 1.69(3) s SF (50.9%) (various) (9/2−)
α (49.1%) 251No
β+ (<6%) 255Lr
255m1Rf 150 keV 50(17) μs IT 255Rf (5/2+)
255m2Rf 1103 keV 29+7
−5
 µs
IT 255Rf (19/2+)
255m3Rf 1303 keV 49+13
−10
 µs
IT 255Rf (25/2+)
256Rf 104 152 256.101151(19) 6.60(5) ms SF (99.69%) (various) 0+
α (0.31%) 252No
256m1Rf 1120(100)# keV 25(2) µs IT 256Rf 4−#
256m2Rf 1400(100)# keV 17(2) µs IT 256m1Rf 8−#
256m3Rf 2400(200)# keV 27(5) µs IT 256m2Rf
257Rf 104 153 257.102917(12) 6.2+1.2
−1.0
 s
[9]
α (89.3%) 253No (1/2+)
β+ (9.4%) 257mLr
SF (1.3%) (various)
257m1Rf[9] 74 keV 4.37(5) s α (80.54%) 253No (11/2−)
IT (14.2%) 257Rf
β+ (4.86%) 257Lr
SF (0.4%) (various)
257m2Rf 1155(11) keV 106(6) µs IT 257m1Rf 21/2+#
258Rf 104 154 258.103430(17) 12.5(5) ms SF (95.1%) (various) 0+
α (4.9%) 254No
258m1Rf 1200(300)# keV 2.4+2.4
−0.8
 ms

[3.4(17) ms]
IT 258Rf
258m2Rf 1500(500)# keV 15(10) µs IT 258m1Rf
259Rf 104 155 259.10560(8)# 2.63(26) s α (85%) 255No 3/2+#
β+ (15%) 259Lr
260Rf 104 156 260.10644(22)# 21(1) ms SF (various) 0+
α (<20%)[10] 256No
261Rf 104 157 261.10877(7) 2.1(2) s SF (82%) (various) 3/2+#
α (18%) 257No
261mRf[n 3] 70(100)# keV 74(5) s α 257No 11/2−#
262Rf 104 158 262.10992(24)# 210+128
−58
 ms

[250(100) ms]
SF (various) 0+
262mRf 1000(400)# keV 47(5) ms SF (various) (8−,9−)#
263Rf 104 159 263.11246(16)# 11(3) min SF (various) 3/2+#
263mRf[n 4] 5.1+4.6
−1.7
 s
[11]
SF (various) 1/2#
265Rf[n 5] 104 161 265.11668(39)# 1.3+0.8
−0.3
 min
[12]
SF (various) 9/2+#
266Rf[n 6][n 7] 104 162 266.11824(44)# 23 s#[13][14] SF (various) 0+
267Rf[n 8] 104 163 267.12179(62)# 48+23
−12
 min
[3]
SF (various) 13/2−#
268Rf[n 6][n 9] 104 164 268.12397(71)# 1.4 s#[14][15] SF (various) 0+
270Rf[16][n 6][n 10] 104 166 20 ms#[14][17] SF (various) 0+
  1. ^ 1.0 1.1 1.2 1.3 畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
  2. ^ 2.0 2.1 2.2 用括號括起來的數據代表不確定性。
  3. ^ 3.0 3.1 Order of ground state and isomer is uncertain.
  4. ^ Not directly synthesized, occurs in decay chain of 271Hs
  5. ^ Not directly synthesized, occurs in decay chain of 285Fl
  6. ^ 6.0 6.1 6.2 Discovery of this isotope is unconfirmed
  7. ^ Not directly synthesized, occurs in decay chain of 282Nh
  8. ^ Not directly synthesized, occurs in decay chain of 287Fl
  9. ^ Not directly synthesized, occurs in decay chain of 288Mc
  10. ^ Not directly synthesized, occurs in decay chain of 294Ts
同位素列表
鐒的同位素 鑪的同位素 𨧀的同位素

参考文獻

[编辑]
  1. ^ 1.0 1.1 Dvorak, J.; Brüchle, W.; Chelnokov, M.; Düllmann, Ch. E.; Dvorakova, Z.; Eberhardt, K.; Jäger, E.; Krücken, R.; Kuznetsov, A.; Nagame, Y.; Nebel, F.; Nishio, K.; Perego, R.; Qin, Z.; Schädel, M.; Schausten, B.; Schimpf, E.; Schuber, R.; Semchenkov, A.; Thörle, P.; Türler, A.; Wegrzecki, M.; Wierczinski, B.; Yakushev, A.; Yeremin, A. Observation of the 3n Evaporation Channel in the Complete Hot-Fusion Reaction 26Mg + 248Cm Leading to the New Superheavy Nuclide 271Hs. Physical Review Letters. 2008-04-03, 100 (13). ISSN 0031-9007. doi:10.1103/PhysRevLett.100.132503. 
  2. ^ Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu. Ts.; Rykaczewski, K. P.; Abdullin, F. Sh.; Dimitriev, 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.; Karpov, A. V.; Popeko, A. G.; Sabel'nikov, A. V.; Svirikhin, A. I.; Vostokin, G. K.; Hamilton, J. H.; Kovrinzhykh, N. D.; Schlattauer, L.; Stoyer, M. A.; Gan, Z.; Huang, W. X.; Ma, L. Neutron-deficient superheavy nuclei obtained in the 240Pu+48Ca reaction. Physical Review C. 2018-01-30, 97 (14320): 014320. Bibcode:2018PhRvC..97a4320U. doi:10.1103/PhysRevC.97.014320. 
  3. ^ 3.0 3.1 Oganessian, Yu. Ts.; Utyonkov, V. K.; Ibadullayev, D.; et al. Investigation of 48Ca-induced reactions with 242Pu and 238U targets at the JINR Superheavy Element Factory. Physical Review C. 2022, 106 (24612): 024612. Bibcode:2022PhRvC.106b4612O. S2CID 251759318. doi:10.1103/PhysRevC.106.024612. 
  4. ^ Wang, Meng; Huang, W.J.; Kondev, F.G.; Audi, G.; Naimi, S. The AME 2020 atomic mass evaluation (II). Tables, graphs and references. Chinese Physics C. 2021, 45 (3): 030003. doi:10.1088/1674-1137/abddaf (英语). 
  5. ^ 5.0 5.1 5.2 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. The NUBASE2020 evaluation of nuclear properties (PDF). Chinese Physics C. 2021, 45 (3): 030001. doi:10.1088/1674-1137/abddae (英语). 
  6. ^ 6.0 6.1 Khuyagbaatar, J.; Mosat, P.; Ballof, J.; et al. Stepping into the sea of instability: The new sub-𝜇s superheavy nucleus 252Rf. Physical Review Letters. 2025, 134 (022501). arXiv:2501.08955可免费查阅. doi:10.1103/PhysRevLett.134.022501. 
  7. ^ 7.0 7.1 7.2 Lopez-Martens, A.; Hauschild, K.; Svirikhin, A. I.; Asfari, Z.; Chelnokov, M. L.; Chepigin, V. I.; Dorvaux, O.; Forge, M.; Gall, B.; Isaev, A. V.; Izosimov, I. N.; Kessaci, K.; Kuznetsova, A. A.; Malyshev, O. N.; Mukhin, R. S.; Popeko, A. G.; Popov, Yu. A.; Sailaubekov, B.; Sokol, E. A.; Tezekbayeva, M. S.; Yeremin, A. V. Fission properties of Rf 253 and the stability of neutron-deficient Rf isotopes. Physical Review C. 2022-02-22, 105 (2) [2023-06-16]. ISSN 2469-9985. S2CID 247072308. arXiv:2202.11802可免费查阅. doi:10.1103/PhysRevC.105.L021306 (英语). 
  8. ^ Chakma, R.; Lopez-Martens, A.; Hauschild, K.; Yeremin, A. V.; Malyshev, O. N.; Popeko, A. G.; Popov, Yu. A.; Svirikhin, A. I.; Chepigin, V. I.; Sokol, E. A.; Isaev, A. V.; Kuznetsova, A. A.; Chelnokov, M. L.; Tezekbayeva, M. S.; Izosimov, I. N.; Dorvaux, O.; Gall, B.; Asfari, Z. Investigation of isomeric states in Rf 255. Physical Review C. 2023-01-31, 107 (1) [2023-06-16]. ISSN 2469-9985. S2CID 256489616. doi:10.1103/PhysRevC.107.014326 (英语).  已忽略未知参数|article-number= (帮助)
  9. ^ 9.0 9.1 Hauschild, K.; Lopez-Martens, A.; Chakma, R.; Chelnokov, M. L.; Chepigin, V. I.; Isaev, A. V.; Izosimov, I. N.; Katrasev, D. E.; Kuznetsova, A. A.; Malyshev, O. N.; Popeko, A. G.; Popov, Yu. A.; Sokol, E. A.; Svirikhin, A. I.; Tezekbayeva, M. S.; Yeremin, A. V.; Asfari, Z.; Dorvaux, O.; Gall, B. J. P.; Kessaci, K.; Ackermann, D.; Piot, J.; Mosat, P.; Andel, B. Alpha-decay spectroscopy of $$^{257}$$Rf. The European Physical Journal A. 2022-01-18, 58 (1): 6 [2023-06-17]. ISSN 1434-601X. S2CID 233394478. arXiv:2104.12526可免费查阅. doi:10.1140/epja/s10050-021-00657-8 (英语). 
  10. ^ Lazarev, Yu. A.; Lobanov, Yu. V.; Oganessian, Yu. Ts.; Utyonkov, V. K.; Abdullin, F. Sh.; Polyakov, A. N.; Rigol, J.; Shirokovsky, I. V.; Tsyganov, Yu. S.; Iliev, S.; Subbotin, V. G.; Sukhov, A. M.; Buklanov, G. V.; Mezentsev, A. N.; Subotic, K.; Moody, K. J.; Stoyer, N. J.; Wild, J. F.; Lougheed, R. W. Decay properties of 257 No, 261 Rf, and 262 Rf需要付费订阅. Physical Review C. 2000-11-13, 62 (6) [2023-06-17]. Bibcode:2000PhRvC..62f4307L. ISSN 0556-2813. doi:10.1103/PhysRevC.62.064307 (英语).  已忽略未知参数|article-number= (帮助)
  11. ^ Oganessian, Yu. Ts.; Utyonkov, V. K.; Shumeiko, M. V.; Abdullin, F. Sh.; Adamian, G. G.; Dmitriev, S. N.; Ibadullayev, D.; Itkis, M. G.; Kovrizhnykh, N. D.; Kuznetsov, D. A.; Petrushkin, O. V.; Podshibiakin, A. V.; Polyakov, A. N.; Popeko, A. G.; Rogov, I. S.; Sagaidak, R. N.; Schlattauer, L.; Shubin, V. D.; Solovyev, D. I.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Bublikova, N. S.; Voronyuk, M. G.; Sabelnikov, A. V.; Bodrov, A. Yu.; Aksenov, N. V.; Khalkin, A. V.; Gan, Z. G.; Zhang, Z. Y.; Huang, M. H.; Yang, H. B. Synthesis and decay properties of isotopes of element 110: Ds 273 and Ds 275需要付费订阅. Physical Review C. 2024-05-06, 109 (5) [2024-05-11]. ISSN 2469-9985. doi:10.1103/PhysRevC.109.054307 (英语).  已忽略未知参数|article-number= (帮助)
  12. ^ Kovrizhnykh, N.D. On the way to the synthesis of new elements: 119 and 120 (PDF). [2025-06-01]. 
  13. ^ Oganessian, Yu. Ts.; et al. Synthesis of the isotope 282113 in the Np237+Ca48 fusion reaction. Physical Review C. 2007, 76 (1). Bibcode:2007PhRvC..76a1601O. doi:10.1103/PhysRevC.76.011601.  已忽略未知参数|article-number= (帮助)
  14. ^ 14.0 14.1 14.2 Oganessian, Yuri. Nuclei in the "Island of Stability" of Superheavy Elements. Journal of Physics: Conference Series. 2012-02-08, 337 (1). Bibcode:2012JPhCS.337a2005O. doi:10.1088/1742-6596/337/1/012005可免费查阅.  已忽略未知参数|article-number= (帮助)
  15. ^ CERN Document Server: Record#831577: Chemical Identification of Dubnium as a Decay Product of Element 115 Produced in the Reaction 48Ca + 243Am. Cdsweb.cern.ch. [2010-09-19]. 
  16. ^ Stock, Reinhard. Encyclopedia of Nuclear Physics and its Applications. John Wiley & Sons. 2013-09-13 [2018-04-08]. ISBN 978-3-527-64926-6 –通过Google Books. 
  17. ^ Fritz Peter Heßberger. Exploration of Nuclear Structure and Decay of Heaviest Elements at GSI - SHIP. agenda.infn.it. [2016-09-10].