鎶的同位素
※同位素依半衰期長度排序 | |||||||||||||||||||||||||||||||
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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 | |||||||
276Cn | 112 | 164 | 276.16141(64)# | ||||
277Cn | 112 | 165 | 277.16364(15)# | 1.1(7) ms [0.69(+69−24) ms] |
α | 273Ds | 3/2+# |
278Cn | 112 | 166 | 278.16416(47)# | 10# ms | 0+ | ||
279Cn | 112 | 167 | 279.16654(50)# | 0.1# s | |||
280Cn | 112 | 168 | 280.16715(63)# | 1# s | 0+ | ||
281Cn | 112 | 169 | 281.16975(42)# | 130 ms[2] | α | 277Ds | 3/2+# |
282Cn | 112 | 170 | 282.1705(7)# | 0.8 ms | SF | (various) | 0+ |
283Cn | 112 | 171 | 283.17327(65)# | 4 s | α (90%) | 279Ds | |
SF (10%) | (various) | ||||||
283mCn[n 2] | 5 min | SF | (various) | ||||
284Cn | 112 | 172 | 284.17416(91)# | 97 ms | SF | (various) | 0+ |
285Cn | 112 | 173 | 285.17712(60)# | 29 s | α | 281Ds | 5/2+# |
285mCn[n 2] | 8.9 min | α | 281mDs |
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 | → |
錀的同位素 | 鎶的同位素 | 鉨的同位素 |
註釋编辑
- ^ Abbreviations:
SF: Spontaneous fission - ^ 2.0 2.1 This isomer is unconfirmed
参考文獻编辑
- ^ Chart of Nuclides. Brookhaven National Laboratory
- ^ 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.
- 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.