OUR knowledge of the structure of very fine spectrum lines is now on a secure and nearly comprehensive basis, from the points of view of both theory and of experiment, and it is very remarkable that ...
The copper target was operated at voltages of 11 kV, 12 kV, 13 kV, and 14 kV for the electron source, and a 50 kV configuration using a molybdenum target was used as a representative example for the ...