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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 | |||||||
253Rf | 104 | 149 | 253.10069(49)# | 13(5) ms | (7/2)(+#) | ||
253mRf | 200(150)# keV | 52(14) µs [48(+17-10) µs] | (1/2)(-#) | ||||
254Rf | 104 | 150 | 254.10018(31)# | 23(3) µs | 0+ | ||
255Rf | 104 | 151 | 255.10134(19)# | 1.64(11) s | (9/2-)# | ||
255mRf | -80(180)# keV | 1.0(4) s [0.8(+5-2) s] | 5/2+# | ||||
256Rf | 104 | 152 | 256.101166(26) | 6.45(14) ms | 0+ | ||
257Rf | 104 | 153 | 257.10299(11)# | 4.7(3) s | (1/2+) | ||
257mRf | 114(17) keV | 3.9(4) s | (11/2-) | ||||
258Rf | 104 | 154 | 258.10349(22)# | 12(2) ms | 0+ | ||
259Rf | 104 | 155 | 259.10564(8)# | 2.8(4) s | 7/2+# | ||
260Rf | 104 | 156 | 260.10644(22)# | 21(1) ms | 0+ | ||
261Rf | 104 | 157 | 261.10877(3) | 5.5(25) s | 3/2+# | ||
261mRf | 70(100)# keV | 81(9) s | 9/2+# | ||||
262Rf | 104 | 158 | 262.10993(30)# | 2.3(4) s | 0+ | ||
262mRf | 600(400)# keV | 47(5) ms | high | ||||
263Rf | 104 | 159 | 263.11255(20)# | 11(3) min | 3/2+# | ||
264Rf | 104 | 160 | 264.11399(48)# | 1# h | 0+ | ||
265Rf | 104 | 161 | 265.11670(46)# | 13 h | 3/2+# | ||
266Rf | 104 | 162 | 266.11796(58)# | 10# h | 0+ | ||
267Rf | 104 | 163 | 267.12153(62)# | 5# h [2.3(+980-17) h] | |||
268Rf | 104 | 164 | 268.12364(76)# | 1# h | 0+ |
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