<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31402817</termId><termName>synchroton radiation</termName><termType>PT</termType><termNote><![CDATA[ Electromagnetic radiation emitted by high-energy particles following a curved path at close to the speed of light as in the variety of particle accelerator known as a synchrotron. It is also produced naturally by charged particles moving through magnetic fields.  ]]></termNote><termCreatedDate>2026-03-30 20:48:19</termCreatedDate><relation><relationType>UF</relationType><termId>31402818</termId><termName>radiation, synchroton</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31402819</termId><termName>synchroton emission</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31361748</termId><termName>radiation</termName><termType>PT</termType></relation></term>  </Zthes>