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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-physics@gentoo.org</email>
<name>Gentoo Physics Project</name>
</maintainer>
<longdescription lang="en">
PYTHIA is a program for the generation of high-energy physics
events, i.e. for the description of collisions at high energies
between elementary particles such as e+, e-, p and pbar in various
combinations. It contains theory and models for a number of physics
aspects, including hard and soft interactions, parton distributions,
initial- and final-state parton showers, multiple interactions,
fragmentation and decay. It is largely based on original research,
but also borrows many formulae and other knowledge from the
literature.
</longdescription>
<use>
<flag name="fastjet">Build jets using the <pkg>sci-physics/fastjet</pkg> package</flag>
<flag name="hepmc">Adds support for High Energy Physics Monte Carlo Generators <pkg>sci-physics/hepmc</pkg></flag>
<flag name="lhapdf">Support the use of external PDF sets via <pkg>sci-physics/lhapdf</pkg></flag>
<flag name="root">Use <pkg>sci-physics/root</pkg> trees and histograms (in examples only)</flag>
</use>
</pkgmetadata>
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