プルトニウムの同位体
一覧
編集同位体核種 | Z(p) | N(n) | 同位体質量 (u) | 半減期 | 核スピン数 | 天然存在比 | 天然存在比 (範囲) |
---|---|---|---|---|---|---|---|
励起エネルギー | |||||||
228Pu | 94 | 134 | 228.03874(3) | 1.1( 20-5) s | 0 | ||
229Pu | 94 | 135 | 229.04015(6) | 120(50) s | 3/2 # | ||
230Pu | 94 | 136 | 230.039650(16) | 1.70(17) min | 0 | ||
231Pu | 94 | 137 | 231.041101(28) | 8.6(5) min | 3/2 # | ||
232Pu | 94 | 138 | 232.041187(19) | 33.7(5) min | 0 | ||
233Pu | 94 | 139 | 233.04300(5) | 20.9(4) min | 5/2 # | ||
234Pu | 94 | 140 | 234.043317(7) | 8.8(1) h | 0 | ||
235Pu | 94 | 141 | 235.045286(22) | 25.3(5) min | (5/2 ) | ||
236Pu | 94 | 142 | 236.0460580(24) | 2.858(8) a | 0 | ||
237Pu | 94 | 143 | 237.0484097(24) | 45.2(1) d | 7/2- | ||
237m1Pu | 145.544(10) keV | 180(20) ms | 1/2 | ||||
237m2Pu | 2900(250) keV | 1.1(1) µs | |||||
238Pu | 94 | 144 | 238.0495599(20) | 87.7(1) a | 0 | ||
239Pu | 94 | 145 | 239.0521634(20) | 24.11(3)E 3 a | 1/2 | ||
239m1Pu | 391.584(3) keV | 193(4) ns | 7/2- | ||||
239m2Pu | 3100(200) keV | 7.5(10) µs | (5/2 ) | ||||
240Pu | 94 | 146 | 240.0538135(20) | 6561(7) a | 0 | ||
241Pu | 94 | 147 | 241.0568515(20) | 14.290(6) a | 5/2 | ||
241m1Pu | 161.6(1) keV | 0.88(5) µs | 1/2 | ||||
241m2Pu | 2200(200) keV | 21(3) µs | |||||
242Pu | 94 | 148 | 242.0587426(20) | 3.75(2)E 5 a | 0 | ||
243Pu | 94 | 149 | 243.062003(3) | 4.956(3) h | 7/2 | ||
243mPu | 383.6(4) keV | 330(30) ns | (1/2 ) | ||||
244Pu | 94 | 150 | 244.064204(5) | 8.00(9)E 7 a | 0 | ||
245Pu | 94 | 151 | 245.067747(15) | 10.5(1) h | (9/2-) | ||
246Pu | 94 | 152 | 246.070205(16) | 10.84(2) d | 0 | ||
247Pu | 94 | 153 | 247.07407(32)# | 2.27(23) d | 1/2 # |
参考文献
編集- 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.