Isotopes of Helium (Z=2)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 3He
| stable | 1/2+
|
%Abundance=0.000137 3
|
|---|
| 4He
| stable | 0+
|
%Abundance=99.999863 3
|
|---|
| 5He
| 0.60 MeV | 3/2-
|
%N=100
|
|---|
| 6He
| 806.7 ms | 0+
|
%B-=100
|
|---|
| 7He
| 160 keV | (3/2)-
|
%N=100
|
|---|
| 8He
| 119.0 ms | 0+
|
%B-=100, %B-N=16 1
|
|---|
| 9He
| 0.30 MeV | (1/2-)
|
%N=100
|
|---|
| 10He
| 0.3 MeV | 0+
|
%N=100
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory