Positron-molecule bound states and positive ion production

Details Positron-molecule bound states and positive ion production Positron-molecule bound states and positive ion production

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3058..273l&link_type=abstract

In NASA, Goddard Space Flight Center, Annihilation in Gases and Galaxies, NASA CP-3058 p 273-283 (SEE N90-18957 11-70)

Physics

Atomic Physics

Annihilation Reactions, Ground State, Ion Production Rates, Positrons, Resonance, Atomic Energy Levels, Atomic Interactions, Atomic Physics, Positive Ions

Scientific paper

The interaction was studied of low energy positrons with large molecules such as alkanes. These data provide evidencce for the existence of long lived resonances and bound states of positrons with neutral molecules. The formation process and the nature of these resonances are discussed. The positive ions produced when a positron annihilates with an electron in one of these resonances were observed and this positive ion formation process is discussed. A review is presented of the current state of the understanding of these positron-molecule resonances and the resulting positive ion formation. A number of outstanding issues in this area is also discussed.

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