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

@@ -442,11 +442,10 @@
     -->
 
     <comment> Global parameters </comment>
-    <constant name="ffi_ZDC_width"             value="40.0 * cm"/>
+    <constant name="ffi_ZDC_width"             value="60.0 * cm"/>
     <constant name="ffi_ZDC_thickness"         value="200.0 * cm"/>
     <comment> Original Global parameters </comment>	    
     <!--
-    <constant name="ffi_ZDC_width"             value="60.0 * cm"/>
     <constant name="ffi_ZDC_thickness"         value="250.0 * cm"/>
     -->	    
     <constant name="ffi_ZDC_ECAL_thickness"    value="30.0 * cm"/>
@@ -454,7 +453,11 @@
     <constant name="ffi_ZDC_ECAL_outer_radius" value="60.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_width"        value="5.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_gap"          value="5.0 * mm"/>
+    <constant name="ffi_ZDC_ECAL_ntower"       value="10"/>
+    <comment> Original number of towers parameter  </comment>	
+    <!--
     <constant name="ffi_ZDC_ECAL_ntower"       value="20"/>
+    -->
 
     <comment>
       -----------------------