Top left:	Truthconversions_eta->Fill(ph_truth_eta->at(p),ph_truth_isConv->at(p));
Top right: 	Truthconversions_pt->Fill(ph_truth_pt->at(p)/1000.,ph_truth_isConv->at(p));

middle left:   Efficiency of photon reconstruction algotihtms for true converted photons
       	       Recophotons_eta->Fill(ph_truth_eta->at(p),RecoPhoton);
	       (I.e. how often is a true converted photon reconstructed as a photon regardless of whether it is also reconstructed as converted)


middle right:   Efficiency of photon reconstruction algothims for true converted photons
               Recophotons_pt->Fill(ph_truth_pt->at(p)/1000.,RecoPhoton); 
	       (I.e. how often is a true converted photon reconstructed as a photon regardless of whether it is also reconstructed as converted) 

bottom left:   Efficiency of converted photon reconstruction algotithms for true converted photons
       	       Recophotons_eta->Fill(ph_truth_eta->at(p),RecoPhotonConv);
	       (I.e. how often is a true converted photon reconstructed as a photon with ph_isConv=true)
bottom right:   Efficiency of converted photon reconstruction algotithms for true converted photons
       	       Recophotons_eta->Fill(ph_truth_pt->at(p),RecoPhotonConv);
	       (I.e. how often is a true converted photon reconstructed as a photon with ph_isConv=true)