Plasma and trap-based techniques for science with positrons

JR Danielson, DHE Dubin, RG Greaves… - Reviews of Modern Physics, 2015 - APS
In recent years, there has been a wealth of new science involving low-energy antimatter (ie,
positrons and antiprotons) at energies ranging from 10 2 to less than 10-3 eV. Much of this …

Positron-molecule interactions: Resonant attachment, annihilation, and bound states

GF Gribakin, JA Young, CM Surko - Reviews of Modern Physics, 2010 - APS
This article presents an overview of current understanding of the interaction of low-energy
positrons with molecules with emphasis on resonances, positron attachment, and …

Low-energy positron interactions with atoms and molecules

CM Surko, GF Gribakin… - Journal of Physics B …, 2005 - iopscience.iop.org
This paper is a review of low-energy positron interactions with atoms and molecules.
Processes of interest include elastic scattering, electronic and vibrational excitation …

Emerging science and technology of antimatter plasmas and trap-based beams

CM Surko, RG Greaves - Physics of Plasmas, 2004 - pubs.aip.org
Progress in the ability to accumulate and cool positrons and antiprotons is enabling new
scientific and technological opportunities. The driver for this work is plasma physics research …

Modelling low energy electron and positron tracks in biologically relevant media

F Blanco, A Munoz, D Almeida… - The European Physical …, 2013 - Springer
This colloquium describes an approach to incorporate into radiation damage models the
effect of low and intermediate energy (0–100 eV) electrons and positrons, slowing down in …

Energy-resolved positron annihilation for molecules

LD Barnes, SJ Gilbert, CM Surko - Physical Review A, 2003 - APS
This paper presents an experimental study designed to address the long-standing question
regarding the origin of very large positron annihilation rates observed for many molecules …

Forward angle scattering effects in the measurement of total cross sections for positron scattering

JP Sullivan, C Makochekanwa, A Jones… - Journal of Physics B …, 2011 - iopscience.iop.org
Measurements of total scattering by positron impact have typically excluded a significant
portion of the forward scattering angles of the differential cross section. This paper …

Modelling low energy electron and positron tracks for biomedical applications

AG Sanz, MC Fuss, A Muñoz, F Blanco… - … Journal of Radiation …, 2012 - Taylor & Francis
Purpose: To incorporate the effects of low energy electrons and positrons into radiation
interaction models. Materials and methods: The simulation method proposed here was …

Positron-impact ionization, positronium formation, and electronic excitation cross sections for diatomic molecules

JP Marler, CM Surko - Physical Review A—Atomic, Molecular, and Optical …, 2005 - APS
Absolute measurements are presented for the positron-impact cross sections for positronium
formation, direct ionization, and total ionization of the diatomic molecules N 2, CO, and O 2 …

A positron trap and beam apparatus for atomic and molecular scattering experiments

JP Sullivan, A Jones, P Caradonna… - Review of Scientific …, 2008 - pubs.aip.org
An instrument has been designed and constructed to provide new insights into fundamental,
low energy positron scattering processes. The design is based on the Surko trap system and …