Complete momentum balance in ionization of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>H</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>by 75-keV-proton impact for varying projectile coherence
Sachin SharmaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USAThusitha ArthanayakaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USAA. HasanDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USABasu LamichhaneDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USAJuan RemolinaDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USAA.C.H. SmithDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USAMichael SchulzDepartment of Physics and LAMOR, Missouri University of Science & Technology, Rolla, Missouri 65409, USA
2014lv
ABI
Аннотация
We report on a kinematically complete experiment on ionization of ${H}_{2}$ by proton impact. While a significant impact of the projectile coherence properties on the scattering-angle dependence of double-differential cross sections (DDCSs), reported earlier, is confirmed by the present data, only weak coherence effects are found in the electron and recoil-ion momentum dependence of the DDCSs. This suggests that the phase angle in the interference term is determined primarily by the projectile momentum transfer rather than by the recoil-ion momentum. We therefore cannot rule out the possibility that the interference observed in our data is not primarily due to a two-center effect.
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