Benchmark experiment and theory for near-threshold excitation of helium by electron impact
Lange, M., Matsumoto, J., Lower, J., Buckman, S., Zatsarinny, O., Bartschat, K., Bray, I. and Fursa, D.V. (2006) Benchmark experiment and theory for near-threshold excitation of helium by electron impact. Journal of Physics B: Atomic, Molecular and Optical Physics, 39 (20). pp. 4179-4190.
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A new experimental technique has been applied to measure absolute scattering cross sections for electron impact excitation of the n ≤ 2, 3 states of helium at near-threshold energies. The experimental results are compared with predictions from recent state-of-the-art theoretical calculations. The calculations are performed using the R-matrix with pseudostates, B-spline R-matrix, and the convergent close-coupling methods. Generally, very good agreement is found between the experiment and the three theories
|Publication Type:||Journal Article|
|Publisher:||Institute of Physics|
|Copyright:||© 2006 IOP Publishing Ltd.|
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