X-ray properties

Element
SymbolHe
Z 2
Atomic Weight 4.00299978
Density 1.78500006E-04
Edge Energies
(keV)
K 2.50000004E-02
L1 0.00000000
L2 0.00000000
L3 0.00000000
M 0.00000000
K-alpha 0.00000000
K-beta 0.00000000
L-alpha 0.00000000
L-beta 0.00000000
Edge jumps
Edge jumps can not be calculated for z < 10
Fluorescence
yield
K 0.00000000
L1 0.00000000
L2 0.00000000
L3 0.00000000
Created by Pathikrit Bandyopadhyay, recent updates by Carlo Segre.

Calculations are based on data compiled By W. H.McMaster et. al.

Fluorescence yield data by M. O. Krause, J. Phys. Chem. Ref. Data. 8,307(1979).

Please report problems to Carlo Segre (segre@iit.edu).