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

Source

Journal of Physics: Conference Series

Type

Conference paper

Book Title

Entity type

Access Statement

Open Access

License Rights

Restricted until