Fully differential study of ionization in p + H<sub>2</sub>collisions near electron—projectile velocity matching
A. HasanDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USAThusitha ArthanayakaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USABasu LamichhaneDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USASachin SharmaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USAShekhar GurungDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USAJuan RemolinaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USASusmitha AkulaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USAD. H. MadisonDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USAMarcelo F. CiappinaMax Planck Institute of Quantum Optics, Hans-Kopfermann Str. 1, D-85748 Garching, GermanyR D RivarolaLaboratorio de Colisiones Atómicas, Instituto de Física Rosario, CONICET y Universidad Nacional de Rosario, Bv. 27 de Febrero 210 bis, 2000 Rosario, ArgentinaMichael SchulzDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, MO 65409, USA
2016en
ABI
Аннотация
We have performed a kinematically complete experiment on ionization of H2 by 75 keV proton impact for electrons ejected with a speed close to the projectile speed. The fully differential data are compared to a three-body distorted wave and a continuum distorted wave—eikonal initial state calculation. Large discrepancies between experiment and theory, as well as between both calculations, are found. These probably arise from a strong coupling between the ionization and capture channels, which is not accounted for by theory.
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