F R Simpson

Electron capture by fast He²⁺ions in gases

P. Hvelplund, Jan Heinemeier, E. Horsdal Pedersen et al. · Journal of Physics B Atomic and Molecular Physics · 1976 · 58 citations

Natural Sciences, Physics, Atomic Physics +7

Collisional detachment cross sections for H^-and He^-at high energies

Jan Heinemeier, P. Hvelplund, F R Simpson · Journal of Physics B Atomic and Molecular Physics · 1976 · 53 citations

Natural Sciences, Physics, Atomic Physics +16

The dissociative ionisation of hydrogen by 5-25 keV protons: energy spectra and angular distribution of fragment ions

B. G. Lindsay, F. B. Yousif, F R Simpson et al. · Journal of Physics B Atomic and Molecular Physics · 1987 · 24 citations

Natural Sciences, Physics, Nuclear Chemistry +8

Excitation of the A2πu state of N2+ by electrons

F R Simpson, J W McConkey · Planetary and Space Science · 1969 · 23 citations

Natural Sciences, Physics, Nuclear Physics +10

On the possible existence of a long-lived doublet state of He^-

E. Horsdal Pedersen, F R Simpson, P. Hvelplund · Journal of Physics B Atomic and Molecular Physics · 1974 · 11 citations

Natural Sciences, Physics, Atomic Physics +10