
TY  - JOUR
A1  - Jefferies, JT 
T1  - The High Temperature Excitation of Helium
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1955
VL  - 8
IS  - 3
SP  - 335
EP  - 346
KW  - 
UR  - https://doi.org/10.1071/PH550335 
N2  - The relative populations of the helium ground state, the singlet and triplet state of principal quantum number 2 and 3, and the ionized state are obtained for an atmosphere isothermal at one of a number of kinetic temperatures in the range 104?105 °K. 
ER  -

