Target dependence of postcollision interaction effects on fully differential ionization cross sections

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

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We have measured and calculated fully differential cross sections (FDCS) for ionization of helium by 75-keV proton impact. Ejected electrons with a speed close to and above the projectile speed were investigated. This range of kinematics represents a largely unexplored regime. A high sensitivity of the FDCS to the details of the description of the few-body dynamics, reported earlier for ionization of H2, was confirmed. A peak structure was found in an electron angular range between the regions where the so-called binary and recoil peaks are usually observed. The need for nonperturbative calculations using a two-center basis set is demonstrated.

Original languageEnglish
Article number032707
JournalPhysical Review A
Volume100
Issue number3
DOIs
StatePublished - 16 Sep 2019
Externally publishedYes

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