符号
|
Z
|
N
|
同位素质量(u)[4] [n 1][n 2]
|
半衰期[5] [n 1][n 2]
|
衰变 方式[5]
|
衰变 产物
|
原子核 自旋[5][n 1]
|
激发能量[n 1][n 2]
|
252Rf[6]
|
104
|
148
|
|
6992600000000000000♠60+90 −30 ns
|
SF
|
(various)
|
0+
|
252mRf[6]
|
|
6995129999999999999♠13+4 −3 µs
|
SF (≤90%)
|
(various)
|
(6+)
|
IT (≥10%)
|
252Rf
|
253Rf[7]
|
104
|
149
|
253.10053(44)#
|
6997990000000000000♠9.9(12) ms
|
SF (83%)
|
(various)
|
(1/2+)
|
α (17%)
|
249No
|
253m1Rf[n 3]
|
200(150)# keV
|
6995527999999999999♠52.8(44) µs[7]
|
SF
|
(various)
|
(7/2+)
|
253m2Rf[7]
|
>1020 keV
|
6996660000000000000♠660+400 −180 µs
|
IT
|
253m1Rf
|
|
254Rf
|
104
|
150
|
254.10006(30)#
|
6995228999999999999♠22.9(10) µs
|
SF
|
(various)
|
0+
|
254m1Rf
|
1300(200)# keV
|
6994429999999999999♠4.3(7) µs
|
IT
|
254Rf
|
8−#
|
254m2Rf
|
2000(500)# keV
|
6996247000000000000♠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
|
6995290000000000000♠29+7 −5 µs
|
IT
|
255Rf
|
(19/2+)
|
255m3Rf
|
1303 keV
|
6995490000000000000♠49+13 −10 µs
|
IT
|
255Rf
|
(25/2+)
|
256Rf
|
104
|
152
|
256.101151(19)
|
6997660000000000000♠6.60(5) ms
|
SF (99.69%)
|
(various)
|
0+
|
α (0.31%)
|
252No
|
256m1Rf
|
1120(100)# keV
|
6995249999999999999♠25(2) µs
|
IT
|
256Rf
|
4−#
|
256m2Rf
|
1400(100)# keV
|
6995170000000000000♠17(2) µs
|
IT
|
256m1Rf
|
8−#
|
256m3Rf
|
2400(200)# keV
|
6995270000000000000♠27(5) µs
|
IT
|
256m2Rf
|
|
257Rf
|
104
|
153
|
257.102917(12)
|
7000620000000000000♠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
|
6996106000000000000♠106(6) µs
|
IT
|
257m1Rf
|
21/2+#
|
258Rf
|
104
|
154
|
258.103430(17)
|
6998125000000000000♠12.5(5) ms
|
SF (95.1%)
|
(various)
|
0+
|
α (4.9%)
|
254No
|
258m1Rf
|
1200(300)# keV
|
6997239999999999999♠2.4+2.4 −0.8 ms [6997340000000000000♠3.4(17) ms]
|
IT
|
258Rf
|
|
258m2Rf
|
1500(500)# keV
|
6995150000000000000♠15(10) µs
|
IT
|
258m1Rf
|
|
259Rf
|
104
|
155
|
259.10560(8)#
|
7000263000000000000♠2.63(26) s
|
α (85%)
|
255No
|
3/2+#
|
β+ (15%)
|
259Lr
|
260Rf
|
104
|
156
|
260.10644(22)#
|
6998210000000000000♠21(1) ms
|
SF
|
(various)
|
0+
|
α (<20%)[10]
|
256No
|
261Rf
|
104
|
157
|
261.10877(7)
|
7000210000000000000♠2.1(2) s
|
SF (82%)
|
(various)
|
3/2+#
|
α (18%)
|
257No
|
261mRf[n 3]
|
70(100)# keV
|
7001740000000000000♠74(5) s
|
α
|
257No
|
11/2−#
|
262Rf
|
104
|
158
|
262.10992(24)#
|
6999210000000000000♠210+128 −58 ms [6999250000000000000♠250(100) ms]
|
SF
|
(various)
|
0+
|
262mRf
|
1000(400)# keV
|
6998470000000000000♠47(5) ms
|
SF
|
(various)
|
(8−,9−)#
|
263Rf
|
104
|
159
|
263.11246(16)#
|
7002660000000000000♠11(3) min
|
SF
|
(various)
|
3/2+#
|
263mRf[n 4]
|
|
7000509999999999999♠5.1+4.6 −1.7 s[11]
|
SF
|
(various)
|
1/2#
|
265Rf[n 5]
|
104
|
161
|
265.11668(39)#
|
7001780000000000000♠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)#
|
7003288000000000000♠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+
|