<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">gamma radiation</topic></authority><related type="broader"><topic>electromagnetic radiation</topic></related><variant type="other"><topic>gamma rays</topic></variant><variant type="other"><topic>gamma-ray radiation</topic></variant><variant type="other"><topic>gamma-rays</topic></variant><variant type="other"><topic>radiation, gamma</topic></variant> <note xml:lang="en"><![CDATA[ Highly energetic electromagnetic radiation with a very short wavelength emitted during radioactive decay. Gamma rays are essentially very short x-rays and penetrate matter deeply. Gamma radiation is used in radiography and as an exterminant and sterilizing agent, which kills insects, molds, bacteria, or fungi. ]]></note></mads>