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+<title>Program Classes</title>
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+<form method='post' action='ProgramClasses.php'>
+
+<h2>Program Classes</h2>
+
+The complete PYTHIA 8 package contains
+<?php $filepath = $_GET["filepath"];
+echo "<a href='ProgramFiles.php?filepath=".$filepath."' target='page'>";?>a multitude of classes</a>.
+There is no reason to describe all of them, with all of their
+methods, since most should not be touched by a normal user.
+Nevertheless some of the crucial ones are described in detail,
+as a help not only to advanced users but also to developers.
+We here provide a quick reference (still incomplete) which
+classes you can find described where on these pages. Normally
+you have to scroll down to find the details, since the top of
+the page contains information of more general interest.
+
+<p/>
+<table cellspacing="5">
+
+<tr>
+<td><b>Class</b></td>
+<td><b>Reference</b></td>
+<td><b>Comment</b></td>
+</tr>
+
+<tr>
+<td><code>BeamShape</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='BeamShape.php?filepath=".$filepath."' target='page'>";?>Beam Shape</a></td>
+<td>vertex amd beam momentum spread</td>
+</tr>
+
+<tr>
+<td><code>CellJet</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventAnalysis.php?filepath=".$filepath."' target='page'>";?>Event Analysis</a></td>
+<td>jet cone clustering analysis, intended for hadron collider
+topologies</td>
+</tr>
+
+<tr>
+<td><code>ClusterJet</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventAnalysis.php?filepath=".$filepath."' target='page'>";?>Event Analysis</a></td>
+<td>jet clustering analysis, intended for <i>e^+e^-</i>
+collider topologies</td>
+</tr>
+
+<tr>
+<td><code>CoupSM</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='StandardModelParameters.php?filepath=".$filepath."' target='page'>";?>Standard Model Parameters</a></td>
+<td>couplings and mixing matrices</td>
+</tr>
+
+<tr>
+<td><code>CoupSUSY</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='SUSYLesHouchesAccord.php?filepath=".$filepath."' target='page'>";?>SUSY Les Houches Accord</a></td>
+<td>compute and store SUSY couplings, using input from SusyLesHouches</td>
+</tr>
+
+<tr>
+<td><code>DecayChannel</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ParticleDataScheme.php?filepath=".$filepath."' target='page'>";?>Particle Data Scheme</a></td>
+<td>the properties of a single decay channel of particle species</td>
+</tr>
+
+<tr>
+<td><code>Event</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventRecord.php?filepath=".$filepath."' target='page'>";?>Event Record</a></td>
+<td>the complete event record</td>
+</tr>
+
+<tr>
+<td><code>HepMC::I_Pythia8</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='HepMCInterface.php?filepath=".$filepath."' target='page'>";?>HepMC Interface</a></td>
+<td>convert a PYTHIA event record to the HepMC format</td>
+</tr>
+
+<tr>
+<td><code>Hist</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='Histograms.php?filepath=".$filepath."' target='page'>";?>Histograms</a></td>
+<td>a primitive built-in histogramming package</td>
+</tr>
+
+<tr>
+<td><code>Info</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventInformation.php?filepath=".$filepath."' target='page'>";?>Event Information</a></td>
+<td>various one-of-a-kind information on the current event</td>
+</tr>
+
+<tr>
+<td><code>LHAPDFInterface</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='PartonDistributions.php?filepath=".$filepath."' target='page'>";?>Parton Distributions</a></td>
+<td>use PDF sets from the LHAPDF library</td>
+</tr>
+
+<tr>
+<td><code>LHAup</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='LesHouchesAccord.php?filepath=".$filepath."' target='page'>";?>Les Houches Accord</a></td>
+<td>base class for Les Houches external hard-event input</td>
+</tr>
+
+<tr>
+<td><code>Particle</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ParticleProperties.php?filepath=".$filepath."' target='page'>";?>Particle Properties</a></td>
+<td>the properties of a particle in the event record</td>
+</tr>
+
+<tr>
+<td><code>ParticleData</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ParticleDataScheme.php?filepath=".$filepath."' target='page'>";?>Particle Data Scheme</a></td>
+<td>the database of particle species properties</td>
+</tr>
+
+<tr>
+<td><code>ParticleDataEntry</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ParticleDataScheme.php?filepath=".$filepath."' target='page'>";?>Particle Data Scheme</a></td>
+<td>the properties of a particle species</td>
+</tr>
+
+<tr>
+<td><code>PDF</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='PartonDistributions.php?filepath=".$filepath."' target='page'>";?>Parton Distributions</a></td>
+<td>base class for all PDFs</td>
+</tr>
+
+<tr>
+<td><code>Pythia</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ProgramFlow.php?filepath=".$filepath."' target='page'>";?>Program Flow</a></td>
+<td>the top-level class, that drives the generation process</td>
+</tr>
+
+<tr>
+<td><code>ResonanceWidths</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='SemiInternalResonances.php?filepath=".$filepath."' target='page'>";?>Semi-Internal Resonances</a></td>
+<td>base class for all resonance-width treatment</td>
+</tr>
+
+<tr>
+<td><code>Rndm</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='RandomNumbers.php?filepath=".$filepath."' target='page'>";?>RandomNumbers</a></td>
+<td>a primitive built-in histogramming package</td>
+</tr>
+
+<tr>
+<td><code>RotBstMatrix</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='FourVectors.php?filepath=".$filepath."' target='page'>";?>Four-Vectors</a></td>
+<td>rotation and boosts of four-vectors</td>
+</tr>
+
+<tr>
+<td><code>Settings</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='SettingsScheme.php?filepath=".$filepath."' target='page'>";?>Settings Scheme</a></td>
+<td>the database that regulates the behaviour of the program</td>
+</tr>
+
+<tr>
+<td><code>SigmaProcess</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='SemiInternalProcesses.php?filepath=".$filepath."' target='page'>";?>Semi-Internal Processes</a></td>
+<td>base class for all hard-process cross sections</td>
+</tr>
+
+<tr>
+<td><code>SlowJet</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventAnalysis.php?filepath=".$filepath."' target='page'>";?>Event Analysis</a></td>
+<td>simple jet clustering using the <i>kT</i>, anti-<i>kT</i> or
+Cambridge/Aachen algorithms.</td>
+</tr>
+
+<tr>
+<td><code>SpaceShower</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ImplementNewShowers.php?filepath=".$filepath."' target='page'>";?>Implement New Showers</a></td>
+<td>spacelike, i..e. initial-state showers</td>
+</tr>
+
+<tr>
+<td><code>Sphericity</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventAnalysis.php?filepath=".$filepath."' target='page'>";?>Event Analysis</a></td>
+<td>sphericity analysis of events</td>
+</tr>
+
+<tr>
+<td><code>SusyLesHouches</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='SUSYLesHouchesAccord.php?filepath=".$filepath."' target='page'>";?>SUSY Les Houches Accord</a></td>
+<td>reading in of SLHA information</td>
+</tr>
+
+<tr>
+<td><code>Thrust</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='EventAnalysis.php?filepath=".$filepath."' target='page'>";?>Event Analysis</a></td>
+<td>thrust analysis of events</td>
+</tr>
+
+<tr>
+<td><code>TimeShower</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='ImplementNewShowers.php?filepath=".$filepath."' target='page'>";?>Implement New Showers</a></td>
+<td>timelike, i..e. final-state showers</td>
+</tr>
+
+<tr>
+<td><code>UserHooks</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='UserHooks.php?filepath=".$filepath."' target='page'>";?>User Hooks</a></td>
+<td>get access to some steps of the generation process</td>
+</tr>
+
+<tr>
+<td><code>Vec4</code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='FourVectors.php?filepath=".$filepath."' target='page'>";?>Four-Vectors</a></td>
+<td>four-vectors</td>
+</tr>
+
+<tr>
+<td><code></code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='.php?filepath=".$filepath."' target='page'>";?></a></td>
+<td></td>
+</tr>
+
+<tr>
+<td><code></code></td>
+<td><?php $filepath = $_GET["filepath"];
+echo "<a href='.php?filepath=".$filepath."' target='page'>";?></a></td>
+<td></td>
+</tr>
+
+</table>
+
+<p/>
+You can also access an extensive list of the public
+<?php $filepath = $_GET["filepath"];
+echo "<a href='ProgramMethods.php?filepath=".$filepath."' target='page'>";?>methods</a> in these classes,
+which compensates for the brevity of the current page.
+
+<!-- Copyright (C) 2012 Torbjorn Sjostrand -->
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff