Resolve "Implement ffi_ZDC"

https://gitlab.com/eic/escalate/g4e/-/blob/master/src/subdetectors/ffi_ZDC/ffi_ZDC.hh

Closes #30 (closed)

compact/definitions.xml

@@ -432,16 +432,22 @@
     <constant name="ffi_ZDC_rotateZ_angle" value="0.0 * rad"/>
 
     <comment> BeamLines: IP8 </comment>
-    <!--<constant name="ffi_ZDC_x_pos"     value="127.0 * cm"/>
+    <!--
+    <constant name="ffi_ZDC_x_pos"     value="127.0 * cm"/>
     <constant name="ffi_ZDC_y_pos"         value="0.0 * cm"/>
     <constant name="ffi_ZDC_z_pos"         value="3600.0 * cm"/>
     <constant name="ffi_ZDC_rotateX_angle" value="0.0 * rad"/>
     <constant name="ffi_ZDC_rotateY_angle" value="-0.025 * rad"/>
-    <constant name="ffi_ZDC_rotateZ_angle" value="0.0 * rad"/>-->
+    <constant name="ffi_ZDC_rotateZ_angle" value="0.0 * rad"/>
+    -->
 
     <comment> Global parameters </comment>
-    <constant name="ffi_ZDC_width"             value="50.0 * cm"/>
+    <constant name="ffi_ZDC_width"             value="60.0 * cm"/>
+    <constant name="ffi_ZDC_thickness"         value="200.0 * cm"/>
+    <comment> original ffi_ZDC_thickness </comment>	    
+    <!--
     <constant name="ffi_ZDC_thickness"         value="250.0 * cm"/>
+    -->	    
     <constant name="ffi_ZDC_ECAL_thickness"    value="30.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_inner_radius" value="0.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_outer_radius" value="60.0 * cm"/>