Update AnalysisExample2021.cpp for better HAD signal hits

Analysis/userFunctions/AnalysisExample2021.cpp

@@ -146,19 +146,19 @@ int main(int argc, char *argv[]){
 
     //ATLAS ZDC
     ZDC *zdc1 = new ZDC(1);
-    zdc1->SetWFAthresholds( 5, 30 );
+    zdc1->SetWFAthresholds( 5, 20 );
     zdc1->SetMedianFilter( 4 );
     r->AddDetector( zdc1 );
 
     //ATLAS ZDC
     ZDC *zdc2 = new ZDC(2);
-    zdc2->SetWFAthresholds( 5, 30 );
+    zdc2->SetWFAthresholds( 5, 20 );
     zdc2->SetMedianFilter( 4 );
     r->AddDetector( zdc2 );
 
     //ATLAS ZDC
     ZDC *zdc3 = new ZDC(3);
-    zdc3->SetWFAthresholds( 5, 30 );
+    zdc3->SetWFAthresholds( 5, 20 );
     zdc3->SetMedianFilter( 4 );
     r->AddDetector( zdc3 );