coverity

[u/mrichter/AliRoot.git] / PYTHIA8 / pythia8140 / xmldoc / TopProcesses.xml

<chapter name="Top Processes">

<h2>Top Processes</h2>

Different ways to produce top quarks, singly or in pairs.

<flag name="Top:all" default="off">
Common switch for the group of top production.
</flag>

<flag name="Top:gg2ttbar" default="off">
Scatterings <ei>g g -> t tbar</ei>. 
Code 601.
</flag>

<flag name="Top:qqbar2ttbar" default="off">
Scatterings <ei>q qbar -> t tbar</ei> by gluon exchange. 
Code 602.
</flag>

<flag name="Top:qq2tq(t:W)" default="off">
Scatterings <ei>q q' -> t q''</ei> by <ei>t</ei>-channel exchange 
of a <ei>W^+-</ei> boson. 
Code 603.
</flag>

<flag name="Top:ffbar2ttbar(s:gmZ)" default="off">
Scatterings <ei>f fbar -> t tbar</ei> by <ei>s</ei>-channel exchange 
of a <ei>gamma^*/Z^0</ei> boson. 
Code 604.
</flag>

<flag name="Top:ffbar2tqbar(s:W)" default="off">
Scatterings <ei>f fbar' -> t q''</ei> by <ei>s</ei>-channel exchange 
of a <ei>W^+-</ei> boson. 
Code 605.
</flag>

<flag name="Top:gmgm2ttbar" default="off">
Scatterings <ei>gamma gamma -> t tbar</ei>. 
Code 606.
</flag>


</chapter>

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