mation.
  

<p/><code>mode&nbsp; </code><strong> Beams:nSkipLHEFatInit &nbsp;</strong> 
 (<code>default = <strong>0</strong></code>)<br/>
Skip the first <i>nSkip</i> events of the input stream 
(cf. the <code>LHAup::skipEvent(nSkip)</code> method).
Only used when <code>Beams:frameType</code> = 4 or 5.
  

<h3>Beam momentum spread</h3>

This framework currently is intended for a modest beam spread, such as
experienced at hadron colliders. Thus it can be safely assumed that the 
physics does not change over t