Few-body dynamics underlying postcollision effects in the ionization of H2 by 75-keV proton impact

M. Dhital, S. Bastola, A. Silvus, A. Hasan, B. R. Lamichhane, E. Ali, M. F. Ciappina, R. A. Lomsadze, D. Cikota, B. Boggs, D. H. Madison, M. Schulz

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We have measured fully differential cross sections (FDCS) for ionization in 75-keVp+H2 collisions for ejected electron speeds close to the projectile speed. The data were analyzed in dependence on both the electron emission angle and the projectile scattering angle. Pronounced postcollisional effects between the projectile and the ejected electrons were observed. Significant differences between experiment and theory and between two conceptually very similar theoretical models were found. This shows that in the region of electron-projectile velocity-matching the FDCS is very sensitive to the details of the underlying few-body dynamics.

Original languageEnglish
Article number062710
JournalPhysical Review A
Volume99
Issue number6
DOIs
StatePublished - 24 Jun 2019
Externally publishedYes

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