diff -u -r1.2 -r1.3
--- compact.xml	4 May 2012 21:49:24 -0000	1.2
+++ compact.xml	7 May 2012 20:42:11 -0000	1.3
@@ -103,7 +103,7 @@

             <comment>The crystal ECal</comment>
             <material name="LeadTungstate" />
             <dimensions x1="ecal_front" y1="ecal_front" x2="ecal_back" y2="ecal_back" z="ecal_z" />

-            <layout beamgap="20.0*mm" nx="46" ny="5" dface="137.0*cm">

+            <layout beamgap="40.0*mm" nx="46" ny="5" dface="137.0*cm"> <!-- beamgap changed to 40 mm from Stepan -->

                 <remove ixmin="-10" ixmax="-2" iymin="-1" iymax="1" />
             </layout>
         </detector>