<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://rafaelab.github.io/grplinst/feed.xml" rel="self" type="application/atom+xml" /><link href="https://rafaelab.github.io/grplinst/" rel="alternate" type="text/html" /><updated>2026-08-04T11:09:59+00:00</updated><id>https://rafaelab.github.io/grplinst/feed.xml</id><title type="html">grplinst</title><subtitle>Plasma-instability energy losses for electromagnetic cascades in CRPropa.</subtitle><author><name>Rafael Alves Batista</name></author></feed>