The best wavelength for protein crystallography

1
The best wavelength for protein crystallography
Ratio of the elastic and energy-absorption cross
sections
1000
100
10
ratio (x1015 elastic photons/Gray)
cross section (cm2/g)
1
0 2 4 6 8 10
12 14 16 18
0.1
0.01
0.001
10 20 30 40 50
60 70 80 90 100
Photon energy (keV)