Total:sigmaAX &nbsp;</strong> 
 (<code>default = <strong>8.</strong></code>; <code>minimum = 0.</code>)<br/>
Single Diffractive cross section <i>A + B -> A + X</i> in mb.
  

<p/><code>parm&nbsp; </code><strong> SigmaTotal:sigmaXX &nbsp;</strong> 
 (<code>default = <strong>4.</strong></code>; <code>minimum = 0.</code>)<br/>
Double Diffractive cross section <i>A + B -> X_1 + X_2</i> in mb.
  

<p/><code>parm&nbsp; </code><strong> SigmaTotal:sigmaAXB &nbsp;</strong> 
 (<code>default = <strong>1.</strong></cod