TY - JOUR
T1 - Benchmark experiment and theory for near-threshold excitation of helium by electron impact
AU - Lange, Michael
AU - Matsumoto, Jun
AU - Lower, Julian
AU - Buckman, Stephen
AU - Zatsarinny, Oleg
AU - Bartschat, Klaus
AU - Bray, Igor
AU - Fursa, Dmitry
PY - 2006/10/9
Y1 - 2006/10/9
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=33750575980&partnerID=8YFLogxK
U2 - 10.1088/0953-4075/39/20/016
DO - 10.1088/0953-4075/39/20/016
M3 - Article
SN - 0953-4075
VL - 39
SP - 4179
EP - 4190
JO - Journal of Physics B: Atomic, Molecular and Optical Physics
JF - Journal of Physics B: Atomic, Molecular and Optical Physics
IS - 20
M1 - 016
ER -