Cultural advice

The Australian National University acknowledges, celebrates and pays our respects to the Ngunnawal and Ngambri people of the Canberra region and to all First Nations Australians on whose traditional lands we meet and work, and whose cultures are among the oldest continuing cultures in human history.

Aboriginal and Torres Strait Islander peoples are advised that ANU Library collections may include images, names, voices, and other representations of deceased persons.

Material in the collection may contain terms, language or views that reflect the period in which the item was created and may be considered inappropriate today.

A search for Wigner cusps and resonances in positron scattering by atoms and molecules

Date

Authors

Caradonna, Peter

Makochekanwa, Casten

Jones, Adric

Machacek, Joshua

Sullivan, James

Buckman, Stephen

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.

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

URI

http://hdl.handle.net/1885/71350

Collections

ANU Research Publications

Source

Journal of Physics: Conference Series

Type

Conference paper

Access Statement

Open Access

DOI

10.1088/1742-6596/388/7/072012

Downloads

File

Description

01_Caradonna_A_search_for_Wigner_cusps_and_2012.pdf (15.4 KB)

02_Caradonna_A_search_for_Wigner_cusps_and_2012.pdf (612.99 KB)

03_Caradonna_A_search_for_Wigner_cusps_and_2012.pdf (589.9 KB)

abcd