| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1884815 | Radiation Physics and Chemistry | 2007 | 6 Pages |
Abstract
An exact treatment of a positron and electron in a two-chain, Path Integral Monte Carlo (PIMC) simulation is used to calculate both self-annihilation and pick-off rates of Ps at finite temperature. We find the effect of the linear dielectric response of a homogeneous material on the annihilation rate of positrons and Ps in spherical voids. In addition, we find lifetimes and structural information for Ps in cylindrical channels, both with and without adsorbed fluid atoms.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
Amy L.R. Bug, Timothy W. Cronin, P.A. Sterne, Zachary S. Wolfson,