code>)<br/>
The <i>y</i> location of the interaction vertex is centered at this value. 
  

<p/><code>parm&nbsp; </code><strong> Beams:offsetVertexZ &nbsp;</strong> 
 (<code>default = <strong>0.</strong></code>)<br/>
The <i>z</i> location of the interaction vertex is centered at this value. 
  

<p/><code>parm&nbsp; </code><strong> Beams:offsetTime &nbsp;</strong> 
 (<code>default = <strong>0.</strong></code>)<br/>
The time <i>t</i> of the interaction vertex is centered at this value. 
  

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