cording to energy above threshold <SPAN style="font-family:monospace">energy</SPAN> 
    by the penetrability ratio <!-- MATH
 $P_{\rm leff}(E - {\tt energy})/P_{\rm leff}(e_{\rm pole} - {\tt energy})$
 -->
<SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img240.svg"
 ALT="$P_{\rm leff}(E - {\tt energy})/P_{\rm leff}(e_{\rm pole} - {\tt energy})$"></SPAN>, with elastic Coulomb. 
    If not set, use constant damping widths as  2*imaginary parts of the pole energies. 
<BR>
The <SPAN style="font-family:monospace">damp<