add diffractive_vmp

Closes: !100 (closed)

benchmarks/diffractive_vmp/analysis/diffractive_vm.cxx

@@ -105,8 +105,8 @@ TTreeReaderArray<float> reco_py_array = {tree_reader, "ReconstructedChargedParti
 TTreeReaderArray<float> reco_pz_array = {tree_reader, "ReconstructedChargedParticles.momentum.z"};
 TTreeReaderArray<float> reco_charge_array = {tree_reader, "ReconstructedChargedParticles.charge"};
 
-TTreeReaderArray<unsigned int> rec_id = {tree_reader, "ReconstructedChargedParticlesAssociations.recID"};
-TTreeReaderArray<unsigned int> sim_id = {tree_reader, "ReconstructedChargedParticlesAssociations.simID"};
+TTreeReaderArray<unsigned int> rec_id = {tree_reader, "ReconstructedChargedParticleAssociations.recID"};
+TTreeReaderArray<unsigned int> sim_id = {tree_reader, "ReconstructedChargedParticleAssociations.simID"};
 
 std::string output_file = output_prefix + "/output.root";
 TFile* output = new TFile(output_file.c_str(), "RECREATE");