From 8d55f28c8d0f795a3d31ebe1f5241692c697c037 Mon Sep 17 00:00:00 2001
From: Marshall Scott <mbscott@anl.gov>
Date: Thu, 22 Apr 2021 14:11:12 -0400
Subject: [PATCH] Increased ZDC_HCAL Box dimensions, Reduced ZDC_EMCAL world
 volume 2

---
 compact/definitions.xml | 2 +-
 src/ffi_ZDC_HCAL.cpp    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/compact/definitions.xml b/compact/definitions.xml
index 85baa50..557b1db 100644
--- a/compact/definitions.xml
+++ b/compact/definitions.xml
@@ -603,7 +603,7 @@
 
     <comment> Global parameters </comment>
     <constant name="ffi_ZDC_width"             value="60.0 * cm"/>
-    <constant name="ffi_ZDC_thickness"         value="65.0 * cm"/><comment> Changed from 200.0 cm </comment>
+    <constant name="ffi_ZDC_thickness"         value="61.0 * cm"/><comment> Changed from 200.0 cm </comment>
     <comment> Original Global parameters </comment>     
     <!--
     <constant name="ffi_ZDC_thickness"         value="250.0 * cm"/>
diff --git a/src/ffi_ZDC_HCAL.cpp b/src/ffi_ZDC_HCAL.cpp
index 9fa36e8..7018bb9 100644
--- a/src/ffi_ZDC_HCAL.cpp
+++ b/src/ffi_ZDC_HCAL.cpp
@@ -36,7 +36,7 @@ static Ref_t createDetector(Detector& lcdd, xml_h e, SensitiveDetector sens) {
 	int layer_num = 1;
 	int slice_num = 1;
 	double totWidth = Layering(x_det).totalThickness();
-	Box envelope ((pixel_x + 10.0*dd4hep::mm)/2.0, (pixel_y + 10.0*dd4hep::mm)/2.0,totWidth/2.0);
+	Box envelope ((pixel_x + 18.0*dd4hep::mm)/2.0, (pixel_y + 18.0*dd4hep::mm)/2.0,totWidth/2.0);
 	Volume envelopeVol(det_name+"_envelope",envelope,air); 
 	PlacedVolume pv;
 	
-- 
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