Isotopes of Curium (Z=96)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 233Cm
| |
|
|
|---|
| 234Cm
| | 0+
|
|
|---|
| 235Cm
| |
|
|
|---|
| 236Cm
| | 0+
|
%EC=?, %A=?
|
|---|
| 237Cm
| |
|
|
|---|
| 238Cm
| 2.4 h | 0+
|
%EC=96.16 18, %A=3.84 18
|
|---|
| 239Cm
| 2.9 h | (7/2-)
|
%EC= 100, %A < 0.1
|
|---|
| 240Cm
| 27 d | 0+
|
%A > 99.5 , %EC < 0.5 , %SF=3.9E-6 8
|
|---|
| 241Cm
| 32.8 d | 1/2+
|
%EC=99.0 1, %A=1.0 1
|
|---|
| 241m1Cm
| 15.3 ns |
|
|
|---|
| 242Cm
| 162.8 d | 0+
|
%A=100, %SF=6.37E-6 18
|
|---|
| 242m1Cm
| 40 ps |
|
|
|---|
| 242m2Cm
| 0.18 us |
|
|
|---|
| 243Cm
| 29.1 y | 5/2+
|
%A=99.71 3, %EC=0.29 3 , %SF=5.3E-9 9
|
|---|
| 243m1Cm
| 42 ns |
|
|
|---|
| 244Cm
| 18.10 y | 0+
|
%A=100, %SF=1.371E-4 21
|
|---|
| 244m1Cm
| 34 ms | 6+
|
%IT=100, %SF < 7.7E-10
|
|---|
| 245Cm
| 8500 y | 7/2+
|
%A=100, %SF=6.1E-7 9
|
|---|
| 245m1Cm
| 13.2 ns |
|
|
|---|
| 246Cm
| 4730 y | 0+
|
%A=99.9737 3, %SF=0.0263 3
|
|---|
| 247Cm
| 1.56e+7 y | 9/2-
|
%A=100
|
|---|
| 248Cm
| 3.40e+5 y | 0+
|
%A=91.61 16, %SF=8.39 16
|
|---|
| 249Cm
| 64.15 m | 1/2(+)
|
%B-=100
|
|---|
| 250Cm
| 9000 y | 0+
|
%SF ~ 86, %A ~ 8, %B- ~ 6
|
|---|
| 251Cm
| 16.8 m | (1/2+)
|
%B-=100
|
|---|
| 252Cm
| 2 d | 0+
|
%B-=100
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory