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.
(a) Comparison between TPS calculated and measured relative dose for the pyramid test field in the direction of leaf movement. Profile superposition shows an agreement better than 1% in the HD‐LG region. (b) Comparison in a perpendicular direction to leaf movement shows dose difference similar to the uniform test field. Isodose superposition shows agreement better than 4% dose difference and 3‐mm distance to agreement.
