Positron scattering on atoms and molecules
نویسندگان
چکیده
منابع مشابه
Positron Annihilation on Atoms and Molecules
OF THE DISSERTATION Positron Annihilation on Atoms and Molecules
متن کاملLow-energy positron scattering from atoms and molecules using positron accumulation techniques
Positron scattering from atoms and molecules is studied at low values of incident positron energy. The experiments use a cold magnetized positron beam formed in a positron accumulator. A discussion of positron scattering in a magnetic ®eld is presented along with dierential cross-sections (DCS) for positron±atom collisions and positron± molecule total vibrational excitation cross-sections. Abs...
متن کاملg-ray spectra from positron annihilation on atoms and molecules
Positron annihilation on a wide variety of atoms and molecules is studied. Room-temperature positrons confined in a Penning trap are allowed to interact with molecules in the form of low-pressure gases so that the interaction is restricted to binary encounters between a positron and a molecule. Data are presented for the g-ray spectra resulting from positrons annihilating in such interactions. ...
متن کاملNew Results for Positron Scattering from Noble Gas Atoms and Diatomic Molecules
OF THE DISSERTATION New Results for Positron Scattering from Noble Gas Atoms and Diatomic Molecules
متن کاملLow-energy positron interactions with atoms and molecules
This paper is a review of low-energy positron interactions with atoms and molecules. Processes of interest include elastic scattering, electronic and vibrational excitation, ionization, positronium formation and annihilation. An overview is presented of the currently available theoretical and experimental techniques to study these phenomena, including the use of trap-based positron beam sources...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2014
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/488/1/012052