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-<head>
-<title>Master Switches</title>
-<link rel="stylesheet" type="text/css" href="pythia.css"/>
-<link rel="shortcut icon" href="pythia32.gif"/>
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-?>
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-<form method='post' action='MasterSwitches.php'>
-
-<h2>Master Switches</h2>
-
-Sometimes it may be convenient to omit certain aspects of the event
-generation chain. This cannot be motivated in a full-blown production
-run, but can often be convenient for own understanding and for
-debug purposes. The flags on this page allow just that.
-
-<p/>
-The event generation is subdivided into three levels: the process
-level, the parton level and the hadron level, and flags are grouped
-accordingly.
-
-<h3>Process Level</h3>
-
-The <code>ProcessLevel</code> class administrates the initial step of
-the event generation, wherein the basic process is selected. Currently
-this is done either using some of the internal processes, or with
-Les Houches Accord input.
-
-<p/>
-There could not be a complete event without an initial process, so
-it would not be a normal action to switch off this step. Furthermore,
-without a process set, it is also not possible to carry out the tasks
-on the parton level. It is still possible, however, to hadronize
-a parton-level configuration provided by some external program.
-
-<br/><br/><strong>ProcessLevel:all</strong> <input type="radio" name="1" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="1" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-If off, do not attempt to carry out any generation at all on the
-process level. For the parton level only final-state radiation
-is possible, using the <code>Pythia::forceTimeShower(...)</code> method.
-Do allow parton configurations stored in the event record to hadronize
-and hadrons to decay, however, as set by the <code>HadronLevel</code>
-switches. Further details are found
-<?php $filepath = $_GET["filepath"];
-echo "<a href='HadronLevelStandalone.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-<p/>
-For <code>ProcessLevel:all = on</code> one part of the event generation
-on this level may be switched off individually:
-
-<br/><br/><strong>ProcessLevel:resonanceDecays</strong> <input type="radio" name="2" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="2" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch to allow resonance decays; on/off = true/false.
-Normal hadrons and leptons do not count as resonances, so this is
-aimed specifically towards <i>Z^0, W^+-, t, h^0</i> and similar
-objects beyond the Standard Model. Do not use this option if you
-may produce coloured resonances and intend to allow hadronization,
-since currently the program would not know how to handle this.
-
-
-<p/>
-It is possible to stop the generation immediately after the basic
-process has been selected, see <code>PartonLevel:all</code> below.
-
-<h3>PartonLevel</h3>
-
-The <code>PartonLevel</code> class administrates the middle step of the
-event generation, i.e. the evolution from an input (hard) process from
-<code>ProcessLevel</code>, containing a few partons only, to a complete
-parton-level configuration to be handed on to <code>HadronLevel</code>.
-This step involves the application of initial- and final-state radiation,
-multiparton interactions and the structure of beam remnants.
-
-<br/><br/><strong>PartonLevel:all</strong> <input type="radio" name="3" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="3" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-If off then stop the generation after the hard process has been
-generated, but before the parton-level and hadron-level steps.
-The <code>process</code> record is filled, but the <code>event</code>
-one is then not.
-
-
-<p/>
-For <code>PartonLevel:all = on</code> some parts of the event generation
-on this level may be switched off individually:
-
-<br/><br/><strong>PartonLevel:MPI</strong> <input type="radio" name="4" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="4" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for multiparton interactions; on/off = true/false.
-Further options are found <?php $filepath = $_GET["filepath"];
-echo "<a href='MultipartonInteractions.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-<br/><br/><strong>PartonLevel:ISR</strong> <input type="radio" name="5" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="5" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for initial-state radiation; on/off = true/false.
-Further options are found <?php $filepath = $_GET["filepath"];
-echo "<a href='SpacelikeShowers.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-<br/><br/><strong>PartonLevel:FSR</strong> <input type="radio" name="6" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="6" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for final-state radiation; on/off = true/false.
-Further options are found <?php $filepath = $_GET["filepath"];
-echo "<a href='TimelikeShowers.php?filepath=".$filepath."' target='page'>";?>here</a>.
-If you leave this switch on, the following two switches allow
-more detailed control to switch off only parts of the showers.
-
-
-<br/><br/><strong>PartonLevel:FSRinProcess</strong> <input type="radio" name="7" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="7" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Switch for final-state radiation in association with the hard process
-itself; on/off = true/false. In addition <code>PartonLevel:FSR</code>
-must be on for these emissions to occur.
-
-
-<br/><br/><strong>PartonLevel:FSRinResonances</strong> <input type="radio" name="8" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="8" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for final-state radiation in any resonance decays
-subsequent to the hard process itself; on/off = true/false. In addition
-<code>PartonLevel:FSR</code> must be on for these emissions to occur.
-
-
-<p/>
-Switching off all the above MPI/ISR/FSR switches is <b>not</b> equivalent
-to setting <code>PartonLevel:all = off</code>. In the former case a
-minimal skeleton of parton-level operations are carried out, such as
-tying together the scattered partons with the beam remnants into colour
-singlets, and storing this information in the <code>event</code> record.
-It is therefore possible to go on and hadronize the event, if desired.
-In the latter case <b>no</b> operations at all are carried out on the
-parton level, and therefore it is also not possible to go on to the
-hadron level.
-
-<br/><br/><strong>PartonLevel:Remnants</strong> <input type="radio" name="9" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="9" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for addition of beam remnants; on/off = true/false.
-Only intended for very special applications, and cannot be used to
-generate complete events. Specifically, unlike the other switches above,
-the program will complain and possibly crash unlike you also set
-<code>HadronLevel:all = off</code> and <code>Check:event = off</code>.
-
-
-<p/>
-It is possible to stop the generation immediately after the parton level
-has been set up, see <code>HadronLevel:all</code> below.
-
-<h3>HadronLevel</h3>
-
-The <code>HadronLevel</code> class administrates the final step of the
-event generation, wherein the partonic configuration from
-<code>PartonLevel</code> is hadronized, including string fragmentation
-and secondary decays.
-
-<p/>
-Most of the code in this class itself deals with subdividing the partonic
-content of the event into separate colour singlets, that can be
-treated individually by the string fragmentation machinery. When a
-junction and an antijunction are directly connected, it also breaks
-the string between the two, so that the topology can be reduced back
-to two separate one-junction systems, while still preserving the
-expected particle flow in the junction-junction string region(s).
-
-<br/><br/><strong>HadronLevel:all</strong> <input type="radio" name="10" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="10" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-If off then stop the generation after the hard process and
-parton-level activity has been generated, but before the
-hadron-level steps.
-
-
-<p/>
-For <code>HadronLevel:all = on</code> some parts of the event generation
-on this level may be switched off individually:
-
-<br/><br/><strong>HadronLevel:Hadronize</strong> <input type="radio" name="11" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="11" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for hadronization; on/off = true/false.
-Further options are found <?php $filepath = $_GET["filepath"];
-echo "<a href='Fragmentation.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-<br/><br/><strong>HadronLevel:Decay</strong> <input type="radio" name="12" value="on" checked="checked"><strong>On</strong>
-<input type="radio" name="12" value="off"><strong>Off</strong>
- (<code>default = <strong>on</strong></code>)<br/>
-Master switch for decays; on/off = true/false.
-Further options are found <?php $filepath = $_GET["filepath"];
-echo "<a href='ParticleDecays.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-<br/><br/><strong>HadronLevel:BoseEinstein</strong> <input type="radio" name="13" value="on"><strong>On</strong>
-<input type="radio" name="13" value="off" checked="checked"><strong>Off</strong>
- (<code>default = <strong>off</strong></code>)<br/>
-Master switch for the simulation of Bose-Einstein effects;
-on/off = true/false. Further options are found
-<?php $filepath = $_GET["filepath"];
-echo "<a href='BoseEinsteinEffects.php?filepath=".$filepath."' target='page'>";?>here</a>.
-
-
-
-
-<input type="hidden" name="saved" value="1"/>
-
-<?php
-echo "<input type='hidden' name='filepath' value='".$_GET["filepath"]."'/>"?>
-
-<table width="100%"><tr><td align="right"><input type="submit" value="Save Settings" /></td></tr></table>
-</form>
-
-<?php
-
-if($_POST["saved"] == 1)
-{
-$filepath = $_POST["filepath"];
-$handle = fopen($filepath, 'a');
-
-if($_POST["1"] != "on")
-{
-$data = "ProcessLevel:all = ".$_POST["1"]."\n";
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-}
-if($_POST["2"] != "on")
-{
-$data = "ProcessLevel:resonanceDecays = ".$_POST["2"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["3"] != "on")
-{
-$data = "PartonLevel:all = ".$_POST["3"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["4"] != "on")
-{
-$data = "PartonLevel:MPI = ".$_POST["4"]."\n";
-fwrite($handle,$data);
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-if($_POST["5"] != "on")
-{
-$data = "PartonLevel:ISR = ".$_POST["5"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["6"] != "on")
-{
-$data = "PartonLevel:FSR = ".$_POST["6"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["7"] != "on")
-{
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-{
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-fwrite($handle,$data);
-}
-if($_POST["9"] != "on")
-{
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-fwrite($handle,$data);
-}
-if($_POST["10"] != "on")
-{
-$data = "HadronLevel:all = ".$_POST["10"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["11"] != "on")
-{
-$data = "HadronLevel:Hadronize = ".$_POST["11"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["12"] != "on")
-{
-$data = "HadronLevel:Decay = ".$_POST["12"]."\n";
-fwrite($handle,$data);
-}
-if($_POST["13"] != "off")
-{
-$data = "HadronLevel:BoseEinstein = ".$_POST["13"]."\n";
-fwrite($handle,$data);
-}
-fclose($handle);
-}
-
-?>
-</body>
-</html>
-
-<!-- Copyright (C) 2012 Torbjorn Sjostrand -->
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