Refined the tuning of the TOF tail parameterization for analysis (in particular for...

[u/mrichter/AliRoot.git] / STEER / STEERBase / AliTOFPIDResponse.cxx

diff --git a/STEER/STEERBase/AliTOFPIDResponse.cxx b/STEER/STEERBase/AliTOFPIDResponse.cxx
index bafccabe68dd9d8e5e6bf1156707715f91323dbd..eab46153206c718d1357b01e0a145ccb83f1dadc 100644 (file)
--- a/STEER/STEERBase/AliTOFPIDResponse.cxx
+++ b/STEER/STEERBase/AliTOFPIDResponse.cxx
@@ -42,11 +42,11 @@ AliTOFPIDResponse::AliTOFPIDResponse():
   fPar[3] = 40.0;
 
   if(!fTOFtailResponse){
-    fTOFtailResponse = new TF1("fTOFtail","[0]*TMath::Exp(-(x-[1])*(x-[1])/2/[2]/[2])* (x < [1]+[3]*[2]) + (x > [1]+[3]*[2])*[0]*TMath::Exp(-(x-[1]-[3]*[2]*0.5)*[3]/[2] * 0.0111)*0.01818",-1000,1000);
+    fTOFtailResponse = new TF1("fTOFtail","[0]*TMath::Exp(-(x-[1])*(x-[1])/2/[2]/[2])* (x < [1]+[3]*[2]) + (x > [1]+[3]*[2])*[0]*TMath::Exp(-(x-[1]-[3]*[2]*0.5)*[3]/[2] * 0.0111)*0.018",-1000,1000);
     fTOFtailResponse->SetParameter(0,1);
-    fTOFtailResponse->SetParameter(1,-25);
+    fTOFtailResponse->SetParameter(1,-26);
     fTOFtailResponse->SetParameter(2,1);
-    fTOFtailResponse->SetParameter(3,1.1);
+    fTOFtailResponse->SetParameter(3,0.89);
     fTOFtailResponse->SetNpx(10000);
   }
     
@@ -73,6 +73,15 @@ AliTOFPIDResponse::AliTOFPIDResponse(Double_t *param):
   fPar[2] = 0.002;
   fPar[3] = 40.0;
 
+  if(!fTOFtailResponse){
+    fTOFtailResponse = new TF1("fTOFtail","[0]*TMath::Exp(-(x-[1])*(x-[1])/2/[2]/[2])* (x < [1]+[3]*[2]) + (x > [1]+[3]*[2])*[0]*TMath::Exp(-(x-[1]-[3]*[2]*0.5)*[3]/[2] * 0.0111)*0.018",-1000,1000);
+    fTOFtailResponse->SetParameter(0,1);
+    fTOFtailResponse->SetParameter(1,-26);
+    fTOFtailResponse->SetParameter(2,1);
+    fTOFtailResponse->SetParameter(3,0.89);
+    fTOFtailResponse->SetNpx(10000);
+  }
+
   // Reset T0 info
   ResetT0info();
   SetMomBoundary();