Figure 9.
Face-on versus edge-on configurations. In the face-on configuration, the Na-22 point source is placed above the detector. In the edge-on configuration, the Na-22 source irradiates the edge of the detector. (a) Face-on. (b) Edge-on.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.