Energy and angular distributions of electrons emitted in proton collisions with molecular hydrogen
C. T. PlowmanDepartment of Physics and Astronomy and Curtin Institute for Computation, Curtin University, G.P.O. Box U1987, Perth, Western Australia 6845, AustraliaI. B. AbdurakhmanovPawsey Supercomputing Centre, 1 Bryce Ave, Kensington, Western Australia 6151, AustraliaI. BrayDepartment of Physics and Astronomy and Curtin Institute for Computation, Curtin University, G.P.O. Box U1987, Perth, Western Australia 6845, AustraliaA. S. KadyrovDepartment of Physics and Astronomy and Curtin Institute for Computation, Curtin University, G.P.O. Box U1987, Perth, Western Australia 6845, Australia
2023en
ABI
Annotatsiya
The description of experimental data on energy and angular distributions of electrons produced in intermediate-energy proton collisions with ${\mathrm{H}}_{2}$ has remained an insurmountable problem for over five decades. A coupled-channel method is developed that provides an accurate solution to the problem. The doubly differential cross section as a function of the energy and angle of the ejected electron is calculated. Excellent agreement between the present results and the experimental data is found. This breakthrough in theoretical modeling of differential ionization in $p+{\mathrm{H}}_{2}$ collisions paves the way to accurate description of the recent kinematically complete experiments.
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