diff -u -r1.3 -r1.4
--- compact.xml	6 May 2013 21:23:29 -0000	1.3
+++ compact.xml	6 May 2013 21:51:39 -0000	1.4
@@ -9,7 +9,7 @@

         author="Hans Wenzel"
         url="http://confluence.slac.stanford.edu/display/ilc/mcdrcald00"
         status="development"

-        version="$Id: compact.xml,v 1.3 2013/05/06 21:23:29 wenzel Exp $">

+        version="$Id: compact.xml,v 1.4 2013/05/06 21:51:39 wenzel Exp $">

         <comment>The compact format for the Muon Collider Higgs factory Detector with dual read out</comment>
     </info>
 

@@ -25,7 +25,7 @@

         <constant name="world_z" value="world_side" />
 
         <!-- tracking region -->

-        <constant name="tracking_region_radius" value="125.0*cm"/>

+        <constant name="tracking_region_radius" value="130.5*cm"/>

         <constant name="tracking_region_zmax" value="200.0*cm"/>
 
     </define>