Merge pull request #27 from JeffersonLab/iss26

implemented timing correction again due to svn not transferring over …
JeffersonLab · Feb 17, 2017 · d5e6468 · d5e6468
2 parents 5621ca4 + 9c43092
commit d5e6468
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ecal-recon/src/main/java/org/hps/recon/ecal/cluster/HitTMCSmearDriver.java b/ecal-recon/src/main/java/org/hps/recon/ecal/cluster/HitTMCSmearDriver.java
@@ -30,9 +30,11 @@ public void setInputHitCollection(String inputHitCollection) {
 
 
     // Time resolution as derived for 2016 data
+    //Factor 1.98 derived after running over MC. Probably due to
+    //lack of trigger jitter in simulation.
     private static double calcSmear(double energy, double time){
         Random r = new Random();
-        double sigT = r.nextGaussian()*Math.sqrt(Math.pow(0.188/energy, 2) + Math.pow(0.152, 2));
+        double sigT = r.nextGaussian()*Math.sqrt(Math.pow(0.188/energy, 2) + Math.pow(0.152, 2))/1.98;
         return time + sigT;
     }