鑪的同位素
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圖表[編輯]
符號 | Z( p ) |
N( n ) |
同位素質量(u) | 半衰期 | 衰變 方式[4][n 1] |
衰變 產物 |
原子核 自旋 |
---|---|---|---|---|---|---|---|
激發能量 | |||||||
253Rf | 104 | 149 | 253.10044(44)# | 13(5) ms | SF (51%) | (various) | (7/2)(+#) |
α (49%) | 249No | ||||||
253mRf | 200(150)# keV | 52(14) µs [48(+17−10) µs] |
SF | (various) | (1/2)(−#) | ||
254Rf | 104 | 150 | 254.10005(30)# | 23(3) µs | SF (99.7%) | (various) | 0+ |
α (.3%) | 250No | ||||||
255Rf | 104 | 151 | 255.10127(12)# | 1.64(11) s | SF (52%) | (various) | (9/2−)# |
α (48%) | 251No | ||||||
256Rf | 104 | 152 | 256.101152(19) | 6.45(14) ms | SF (96%) | (various) | 0+ |
α (6%) | 252No | ||||||
257Rf | 104 | 153 | 257.102918(12)# | 4.7(3) s | α (79%) | 253No | (1/2+) |
β+ (18%) | 257Lr | ||||||
SF (2.4%) | (various) | ||||||
257mRf | 114(17) keV | 3.9(4) s | (11/2−) | ||||
258Rf | 104 | 154 | 258.10343(3) | 12(2) ms | SF (87%) | (various) | 0+ |
α (13%) | 254No | ||||||
259Rf | 104 | 155 | 259.10560(8)# | 2.8(4) s | α (93%) | 255No | 7/2+# |
SF (7%) | (various) | ||||||
β+ (.3%) | 259Lr | ||||||
260Rf | 104 | 156 | 260.10644(22)# | 21(1) ms | SF (98%) | (various) | 0+ |
α (2%) | 256No | ||||||
261Rf | 104 | 157 | 261.10877(5) | 68 s[5] | α (76%) | 257No | 9/2+# |
β+ (14%) | 261Lr | ||||||
SF (10%) | (various) | ||||||
261mRf | 70(100)# keV | 1.9(4) s[6] | SF (73%) | (various) | 3/2+# | ||
α (27%) | 257No | ||||||
262Rf | 104 | 158 | 262.10993(24)# | 2.3(4) s | SF (99.2%) | (various) | 0+ |
α (.8%) | 258No | ||||||
262mRf | 600(400)# keV | 47(5) ms | SF | (various) | high | ||
263Rf | 104 | 159 | 263.1125(2)# | 11(3) min | SF (70%) | (various) | 3/2+# |
α (30%) | 259No | ||||||
264Rf | 104 | 160 | 264.11388(39)# | 1# h | SF | (various) | 0+ |
265Rf[n 2] | 104 | 161 | 265.11668(39)# | 1.0 min[7] | SF | (various) | |
266Rf[n 3][n 4] | 104 | 162 | 266.11817(50)# | 10# h | 0+ | ||
267Rf[n 5] | 104 | 163 | 267.12179(62)# | 1.3 h | SF | (various) | |
268Rf[n 3][n 6] | 104 | 164 | 268.12397(77)# | 1# h | 0+ |
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 | → |
鐒的同位素 | 鑪的同位素 | 𨧀的同位素 |
註釋[編輯]
- ^ Abbreviations:
EC: Electron capture
SF: Spontaneous fission - ^ Not directly synthesized, occurs in decay chain of 285Fl
- ^ 3.0 3.1 Discovery of this isotope is unconfirmed
- ^ Not directly synthesized, occurs in decay chain of 282Nh
- ^ Not directly synthesized, occurs in decay chain of 287Fl
- ^ Not directly synthesized, occurs in decay chain of 288Mc
參考文獻[編輯]
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 存档副本. [2015-11-04]. (原始內容存檔於2017-02-19).
- ^ 存档副本 (PDF). [2014-10-07]. (原始內容 (PDF)存檔於2014-10-11).
- ^ http://journals.aps.org/prc/pdf/10.1103/PhysRevC.83.034602
- ^ 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 [2015-11-04]. (原始內容 (PDF)存檔於2015-06-06).
- 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).
- 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 (頁面存檔備份,存於網際網路檔案館), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (頁面存檔備份,存於網際網路檔案館) (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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