Restructuring repo

benchmarks/calorimeters/simple_checking_crystal.cxx

@@ -9,7 +9,7 @@ void simple_checking_crystal(const char* fname = "sim_output/output_emcal_electr
   ROOT::EnableImplicitMT(); // Tell ROOT you want to go parallel
   double degree = TMath::Pi()/180.0;
 
-  TChain* t = new TChain("EVENT");
+  TChain* t = new TChain("events");
   t->Add(fname);
 
   ROOT::RDataFrame d0(*t);//, {"EcalHits","MCParticles"});