常用放射性核素数据表.docx
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常用放射性核素数据表
核素
半衰期
衰变类型及其分支比(%)
主要粒子能量与强度keV(%)
主要光子能量与强度keV(%)
3H
12.33a
β-(100)
18.5866(100)
14C
5730a
β-(100)
156.467(100)
18F
109.77m
EC(3.27)β+(96.73)
633.5(96.73)
511(193.46)
22Na
2.6019a
EC(10.1)β+(89.9)
545.4(89.84)
1820.0(0.056)
511(179.79)
1274.53(99.944)
32P
14.262d
β-(100)
1710.3(100.0)
46Sc
83.79d
β-(100)
356.6(99.9964)
1477.2(0.0036)
889.277(99.984)
545(99.987)
54Mn
312.11d
EC(100)β+(3x10-7)
355.1(3x10-7)
834.848(99.98)
55Fe
2.73a
EC(100)
XKβ:
6.49(3.29)
XKα1:
5.89875(16.28)
XKα2:
5.88765(8.24)
57Co
271.74d
EC(100)
14.491(9.16)
122.06065(85.6)
136.4736(10.68)
692(0.16)
60Co
5.271a
β-(100)
317.87(99.925)
664.81(0.011)
1491.11(0.057)
1173.228(99.25)
1332.492(99.9826)
63Ni
100.1a
β-(100)
66.945(100.0)
65Zn
244.26d
EC(98.5)
β+(1.5)
328.8(1.403)
511(2.81)
1115.46(50.6)
85Kr
10.71a
β-(100)
173.4(0.434)
687.4(99.563)
513.997(0.434)
88Y
106.6d
EC(99.8)
β+(0.2)
764(~0.2)
511(0.42)
898.036(93.9)
836.52(99.32)
734.0(0.71)
XK(0.014-0.016)(60.7)
90Sr
28.79a
β-(100)
546(100.0)
1
99Mo
65.94h
β-
436.6(16.4)
848.1(1.14)
1214.5(82.4)
140.511(89.6)
181.068(6.01)
739.5(12.12)
777.92(4.26)
99Tcm
6.01h
1T(100)
140.511(89.06)
142.63(0.0187)
103Pd
16.991d
EC(100)
39.748(0.0683)
357.45(0.0221)
XKα1:
20.216(41.93)
109Cd
461.4d
EC(100)
88.0336(3.7)
XL:
2.98(11.2)
XKβ:
24.9(17.8)
XKα1:
22.1629(55.16)
XKα2:
21.9903(29.13)
111In
2.8047d
EC(100)
171.28(90.2)
245.4(94.0)
125I
59.400d
EC(100)
35.4922(6.68)
xL:
3.77(15.5)
xkβ:
31.0(25.9)
xkα1:
27.4723(74.5)
xkα2:
27.2017(39.9)
129I
1.57x107a
β-(100)
154(100.0)
39.578(7.51)
xkα2:
29.458(19.9)
131I
8.02070d
β-(100)
247.9(2.12)
333.8(7.27)
606.3(89.9)
80.185(2.62)
284.305(6.14)
364.489(81.7)
636.989(7.17)
722.911(1.77)
131Ba
11.5d
EC(100)
216.078(19.66)
373.246(14.04)
496.326(46.8)
133Ba
10.544a
EC(100)
80.9971(34.1)
302.851(18.33)
356.0134(62.05)
137Cs
30.07a
β-(100)
513.97(94.4)
1175.63(5.6)
661.657(85.1)
147Pm
2.6234a
β-(100)
224.6(99.994)
121.28(0.00285)
152Eu
13.516a
EC(72.086)
β+(0.014)
β-(27.9)
730.5(0.011)
384.8(2.427)
695.6(13.779)
1474.5(8.1)
121.1817(28.58)
344.2785(26.5)
778.90(12.94)
964.079(14.6)
1112.069(13.64)
1408.006(21.0)
153Sm
46.284h
β-(100)
635.3(32.2)
705.0(49.6)
808.2(17.5)
69.673(4.85)
103.180(29.8)
153Gd
240.4d
EC(100)
69.6732.42
97.431(29.0)
103.180(21.1)
154Eu
8.592a
β-(99.98)
248.8(28.6)
570.9(36.3)
840.6(16.8)
1845.3(10.0)
123.071(40.6)
723.305(20.11)
873.19(12.2)
996.262(10.53)
1004.728(17.1)
1274.436(35.0)
170Tm
128.6d
EC(0.13)
β-(99.87)
883.7(18.3)
968.0(81.6)
84.25474(2.48)
XL:
7.42(3.1)
188Re
17.005h
β-(100)
1487.4(1.65)
1965.4(25.6)
2210.4(71.1)
155.04(15.1)
477.99(1.02)
632.983(1.27)
192Ir
73.827d
EC(4.87)β-(95.13)
258.7(5.6)
538.8(41.43)
675.1(48.0)
295.9564(28.72)
308.45508(29.68)
316.50616(82.71)
468.0688(47.81)
604.41101(8.2)
198Au
2.69517d
β-(100)
284.7(0.985)
960.6(98.99)
411.8023(95.58)
201Tl
72.912h
EC(100)
135.34(2.565)
167.43(10.0)
210Po
138.376d
α(100)
5304(100)
803.1(0.00121)
238Pu
87.7a
α(100)
5456(28.98)
5499.037(71.6)
43.498(0.0395)
99.853(0.00735)
XL:
13.6(11.7)
239Pu
24110a
α(100)
5105(11.5)
5144.3(15.1)
5156.59(73.3)
12.965(0.0184)
38.661(0.0105)
51.624(0.0271)
XL:
13.6(4.9)
241Am
432.2a
α(100)
5388(1.6)
5442.90(13.0)
5485.60(84.5)
26.3448(2.4)
59.5412(35.9)
XL:
13.9(42)
252Cf
2.645a
α(96.91)
SF(3.09)
6075.64(15.2)
6118.210(81.6)
43.4(0.01148)
100.2(0.013)
XL:
15.0(7.1)