Isotopes of Gadolinium (Z=64)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 136Gd
| |
|
|
|---|
| 137Gd
| 7 s |
|
%EC+%B+=100
|
|---|
| 138Gd
| | 0+
|
|
|---|
| 139Gd
| 4.9 s | 9/2-
|
%EC+%B+=?, %B+P=?
|
|---|
| 140Gd
| 15.8 s | 0+
|
%EC+%B+=100
|
|---|
| 141Gd
| 14 s | (1/2+)
|
%EC+%B+=100, %ECP=0.03 1
|
|---|
| 141m1Gd
| 24.5 s | (11/2-)
|
%EC+%B+=89 2, %IT=11 2
|
|---|
| 142Gd
| 70.2 s | 0+
|
%EC+%B+=100
|
|---|
| 143Gd
| 39 s | (1/2)+
|
%EC+%B+=100, %ECP < 0.001
|
|---|
| 143m1Gd
| 112 s | (11/2-)
|
%EC+%B+=100
|
|---|
| 144Gd
| 4.5 m | 0+
|
%EC+%B+=100
|
|---|
| 145Gd
| 23.0 m | 1/2+
|
%EC+%B+=100
|
|---|
| 145m1Gd
| 85 s | 11/2-
|
%IT=94.3 5 , %EC+%B+=5.7 5
|
|---|
| 146Gd
| 48.27 d | 0+
|
%EC=100
|
|---|
| 147Gd
| 38.06 h | 7/2-
|
%EC+%B+=100
|
|---|
| 148Gd
| 74.6 y | 0+
|
%A=100
|
|---|
| 149Gd
| 9.28 d | 7/2-
|
%EC+%B+=100, %A=4.3E-4 10
|
|---|
| 150Gd
| 1.79e6 y | 0+
|
%A=100
|
|---|
| 151Gd
| 124 d | 7/2-
|
%EC=100, %A ~ 8E-7
|
|---|
| 152Gd
| 1.08e14 y | 0+
|
%Abundance=0.20 1, %A=100
|
|---|
| 153Gd
| 240.4 d | 3/2-
|
%EC=100
|
|---|
| 154Gd
| stable | 0+
|
%Abundance=2.18 3
|
|---|
| 155Gd
| stable | 3/2-
|
%Abundance=14.80 5
|
|---|
| 155m1Gd
| 31.97 ms | 11/2-
|
%IT=100
|
|---|
| 156Gd
| stable | 0+
|
%Abundance=20.47 4
|
|---|
| 157Gd
| stable | 3/2-
|
%Abundance=15.65 3
|
|---|
| 158Gd
| stable | 0+
|
%Abundance=24.84 12
|
|---|
| 159Gd
| 18.479 h | 3/2-
|
%B-=100
|
|---|
| 160Gd
| stable | 0+
|
%Abundance=21.86 4
|
|---|
| 161Gd
| 3.66 m | 5/2-
|
%B-=100
|
|---|
| 162Gd
| 8.4 m | 0+
|
%B-=100
|
|---|
| 163Gd
| 68 s | (5/2-)
|
%B-=100
|
|---|
| 164Gd
| 45 s | 0+
|
%B-=100
|
|---|
| 165Gd
| |
|
|
|---|
| 166Gd
| | 0+
|
|
|---|
| 167Gd
| |
|
|
|---|
| 168Gd
| | 0+
|
|
|---|
| 169Gd
| |
|
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory