X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PWGLF%2FtotEt%2FAliAnalysisEtReconstructedPhos.cxx;h=dbec5cad61b1161cdb416fdef785aeb1b70f2196;hb=c4f8222a6577b47177222d6471855cdce2483f82;hp=c067d2ad56bd63d1b30b0f622b7714743dcb46e5;hpb=d3ce32b8131d5f38120201da13798f42c41dfe1e;p=u%2Fmrichter%2FAliRoot.git

diff --git a/PWGLF/totEt/AliAnalysisEtReconstructedPhos.cxx b/PWGLF/totEt/AliAnalysisEtReconstructedPhos.cxx
index c067d2ad56b..dbec5cad61b 100644
--- a/PWGLF/totEt/AliAnalysisEtReconstructedPhos.cxx
+++ b/PWGLF/totEt/AliAnalysisEtReconstructedPhos.cxx
@@ -103,23 +103,39 @@ void AliAnalysisEtReconstructedPhos::CreateHistograms()
   AliAnalysisEtReconstructed::CreateHistograms();
 }
 
-Double_t AliAnalysisEtReconstructedPhos::GetCorrectionModification(const AliESDCaloCluster& cluster,Int_t nonLinCorr, Int_t effCorr){//nonLinCorr 0 = nominal 1 = high -1 = low, effCorr  0 = nominal 1 = high -1 = low
+Double_t AliAnalysisEtReconstructedPhos::GetCorrectionModification(const AliESDCaloCluster& cluster,Int_t nonLinCorr, Int_t effCorr, Int_t cent){//nonLinCorr 0 = nominal 1 = high -1 = low, effCorr  0 = nominal 1 = high -1 = low
   Double_t factor = 1.0;
-  //Double_t E = fReCorrections->CorrectedEnergy(cluster.E());
   if(nonLinCorr!=0){
     if(nonLinCorr==1){//high bound on nonlinearity
-      factor *=1.05;
+      Double_t a1=0.045-0.010;
+      Double_t a2=0.045+0.010;
+      Double_t b1=1.055-0.450 ;
+      Double_t b2=1.055+0.450 ;
+      Double_t y = (1+a2/(1+cluster.E()*cluster.E()/b2/b2))/(1+a1/(1+cluster.E()*cluster.E()/b1/b1)) ;
+      factor *=y*GetCorrectionModification(cluster,0,0,cent);
     }
     else{//nonLinCorr==-1
-      factor *=0.95;
+      Double_t a1=0.045-0.010;
+      Double_t a2=0.045+0.010;
+      Double_t b1=1.055-0.450 ;
+      Double_t b2=1.055+0.450 ;
+      Double_t y = (1+a1/(1+cluster.E()*cluster.E()/b1/b1))/(1+a2/(1+cluster.E()*cluster.E()/b2/b2)) ;
+      factor *=y*GetCorrectionModification(cluster,0,0,cent);
     }
   }
+  else{//nonlinearity correction
+    factor = 0.9728*(1+0.02/(1+cluster.E()*cluster.E()/1.5));
+  }
   if(effCorr!=0){
     if(effCorr==1){//high bound
-      factor *=1.05;
+      factor *=1.005*GetCorrectionModification(cluster,0,0,cent);
     }
     else{//low bound
-      factor *=0.95;
+      factor *=0.995*GetCorrectionModification(cluster,0,0,cent);
+    }
+    if(cent<0){//this condition will never be met but it will stop a compiler warning that results in Coverity sending me an email about once every two weeks.
+      Double_t E = cluster.E();
+      factor = 1.0*E;
     }
   }
   return factor;