Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8208785 | Applied Radiation and Isotopes | 2018 | 6 Pages |
Abstract
The radionuclide copper-64 is a promising candidate for nuclear medicine, but its complex decay creates challenges in the primary standardization of its activity. Monte Carlo simulations of live-timed anticoincidence (LTAC) counting of 64Cu were used to calculate corrections to extrapolation intercepts, resulting in improved activity determinations. A small correction (â0.33%) to the linear extrapolation of LTAC data acquired with a γ-gate over the 1346 keV gamma peak was determined. We discuss the physical origin of the correction. We also use experimental data to demonstrate a Monte Carlo scaling that allows for inclusion of data acquired with a γ-gate set over the annihilation photon peak(s).
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
Denis E. Bergeron, Ryan Fitzgerald,