Figure 5.
Photograph of the HRM. Silicon crystals (a), and ionization chambers (b) are marked. The largest dimension is approximately 38 cm.
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.