A search for Wigner cusps and resonances in positron scattering by atoms and molecules
Date
2012
Authors
Caradonna, Peter
Makochekanwa, Casten
Jones, Adric
Machacek, Joshua
Sullivan, James
Buckman, Stephen
Journal Title
Journal ISSN
Volume Title
Publisher
Conference Organising Committee
Abstract
Detailed elastic cross-section measurements in the vicinity of the positronium (Ps) formation threshold for He, Ne, Ar, Kr and Xe show a cusp-like feature, made visible by a small and localised depression of between (2 to 15%) of the cross-section value.
Description
Keywords
Keywords: Close coupling; Cross-section measurement; Cross-section values; High resolution; Positron scattering; Positronium formation; Scattering resonance; Scattering structures; Statistical uncertainty; Atoms; Helium; Krypton; Neon; Xenon; Scattering
Citation
Collections
Source
Journal of Physics: Conference Series
Type
Conference paper
Book Title
Entity type
Access Statement
Open Access