Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2019 Aug 19;46(10):4639–4653. doi: 10.1002/mp.13737

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2019 The Authors. Medical Physics published by Wiley Periodicals, Inc. on behalf of American Association of Physicists in Medicine.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Results for $f_{Q_{0}}$ and $f_{Q}$ factors: (a) 1.25 MeV photons and (b) 150 MeV protons. (c) The $f_{Q} / f_{Q_{0}}$ ratios for 150 MeV protons. The statistical uncertainties represented by bars correspond to one standard deviation. [Color figure can be viewed at http://www.wileyonlinelibrary.com/]