Electron-hydrogen excitation to the n=3 and n=4 levels in the Glauber approximation

Details Electron-hydrogen excitation to the n=3 and n=4 levels in the Glauber approximation Electron-hydrogen excitation to the n=3 and n=4 levels in the Glauber approximation

2005-09-29

arxiv.org/abs/physics/0509246v1

Physics

Atomic Physics

9 pages, 3 figures

Scientific paper

We have calculated the differential and integrated cross sections for excitation of atomic hydrogen to its n=3 and n=4 levels by electron impact using the Glauber approximation. Results are compared with measurements at 20, 30, 40, and 60 eV and also shown for 120 and 480 eV. At momentum transfers not too large at all energies considered, the calculated n=3 differential cross sections are qualitatively similar to but a factor of somewhat less than 3 larger than the calculated n=4 cross sections. The calculated integrated cross sections attain broad maxima near 41 eV.

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