Fully Differential Study of Capture with Vibrational Dissociation in p+ H2 Collisions

B. R. Lamichhane, T. Arthanayaka, J. Remolina, A. Hasan, M. F. Ciappina, F. Navarrete, R. O. Barrachina, R. A. Lomsadze, M. Schulz

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Abstract

We have measured fully differential cross sections for electron capture in 75 keV p+H2 collisions with subsequent dissociation of the intermediate molecular H2+ ion by vibrational excitation using different projectile coherence lengths. Data were obtained for two molecular orientations as a function of projectile scattering angle. Two types of interference, single- and molecular two-center interference, were identified. The two-center interference structure is phase shifted by π compared to what we expected. Furthermore, the presence of projectile coherence effects could be reconfirmed.

Original languageEnglish
Article number083402
JournalPhysical Review Letters
Volume119
Issue number8
DOIs
StatePublished - 24 Aug 2017
Externally publishedYes

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