de><strong> Beams:pzB &nbsp;</strong> 
 (<code>default = <strong>-7000.</strong></code>)<br/>
The <i>p_z</i> component of the second incoming particle, 
to be set if <code>Beams:frameType</code> = 3. 
  

<p/><code>word&nbsp; </code><strong> Beams:LHEF &nbsp;</strong> 
 (<code>default = <strong>void</strong></code>)<br/>
The name of a Les Houches Event File,
to be set if <code>Beams:frameType</code> = 4. 
  

<p/><code>word&nbsp; </code><strong> Beams:LHEFheader &nbsp;</strong> 
 (<code>default = <strong>vo