Electron transfer in proton‐hydrogen collisions in dense semi‐classical hydrogen plasma
2021
Quantum mechanical calculations have been accomplished to study the dynamics of the reaction: p + H(1s) → H(nlm) + p in dense semi-classical hydrogen
plasma. Interactions among the charged particles in plasma are represented by a
pseudopotential which takes care of the collective effects at large distances and
quantum effect of diffraction at small distances. Various capture cross sections
are computed for the incident proton energy lying within 10 to 500 keV by applying a distorted wave method which uses a variationally determined closed-form
wave function of hydrogen atom. Moreover, an inclusive study is made to explore
the effects of screening of plasma and quantum diffraction on various capture
cross sections for a wide range of thermal Debye length and de Broglie wave
length. It has been found that various cross sections suffer considerable changes
due to varying Debye length and de Broglie wave length.
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