X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=MUON%2FAliMUONConstants.cxx;h=6ba88928659a256e71b7920a1c218e6c615b18ff;hb=6e0ae02dc1e69442972e6edc620380b606f06900;hp=bce50a9fa54f45bff3ecd159cbf0b8c9d2e0d7cb;hpb=3787f51726472123d487e9724e2055bb736afa49;p=u%2Fmrichter%2FAliRoot.git

diff --git a/MUON/AliMUONConstants.cxx b/MUON/AliMUONConstants.cxx
index bce50a9fa54..6ba88928659 100644
--- a/MUON/AliMUONConstants.cxx
+++ b/MUON/AliMUONConstants.cxx
@@ -81,7 +81,7 @@ Float_t  AliMUONConstants::fgPitchSt1  = 0.21;
 // EDMS Id 335328 for "search in EDMS 
 // These are the diameter (Dmin == innner and Dmax - outner) values of the active surface
 // In the case of Dmax, the value corresponds to the maximum diameter of the active surface with 2pi coverture in phi
-Float_t  AliMUONConstants::fgDmin[7]  = {   36.4,  46.2,  63.0,   79.0,   79.0,  99.0,  100.0};  // cm
+Float_t  AliMUONConstants::fgDmin[7]  = {   36.4,  46.2,  63.0,   79.0,   79.0,  98.8,  100.0};  // cm
 Float_t  AliMUONConstants::fgDmax[7]  = {  176.6, 229.0, 308.84, 418.2,  522.0, 850.0, 900.0};   // cm
  
 Int_t    AliMUONConstants::fgMaxZoom = 20;
@@ -98,12 +98,31 @@ Double_t AliMUONConstants::fgYokeL = 309.4;
 const Double_t AliMUONConstants::fgkAbsZBeg = -90.;
 const Double_t AliMUONConstants::fgkAbsZEnd = -505.;
     
-// Default chamber resolution (cm)
-const Double_t AliMUONConstants::fgkDefaultNonBendingReso = 0.144;
-const Double_t AliMUONConstants::fgkDefaultBendingReso = 0.01;
+// Default trigger chamber resolution (cm)
+// Warning: the resolution refers only to ALIGNMENT
+// For the total resolution the strip width should be taken into account!
+const Double_t AliMUONConstants::fgkTriggerNonBendingReso = 0.2;
+const Double_t AliMUONConstants::fgkTriggerBendingReso = 0.2;
+
+// Defaults parameters for muon filter (19/11/07)
+const Double_t AliMUONConstants::fgkMuonFilterZBeg = -1471.;
+const Double_t AliMUONConstants::fgkMuonFilterZEnd = -1471.-120.;
+const Double_t AliMUONConstants::fgkMuonFilterX0 = 1.76;
 
 // Defaults parameters for track reconstruction
-Double_t  AliMUONConstants::fgChamberThicknessInX0 = 0.03;
+Double_t AliMUONConstants::fgChamberThicknessInX0[10] = {0.065, 0.065, 0.075, 0.075, 0.035, 0.035, 0.035, 0.035, 0.035, 0.035};
+
+const Double_t AliMUONConstants::fgkMostProbBendingMomentum = 2.0;
+
+Float_t AliMUONConstants::fgAverageChamberT[14]=
+  {17.64*1E-9, 18.28*1E-9, 22.68*1E-9, 23.33*1E-9, 32.42*1E-9, 33.48*1E-9, 42.76*1E-9,
+   43.81*1E-9, 47.13*1E-9, 48.17*1E-9, 53.75*1E-9, 54.32*1E-9, 57.12*1E-9, 57.67*1E-9};
+
+// is equivalent to gain = 4 mV/fC
+const Float_t AliMUONConstants::fgkDefaultA0 = 1.25; 
+// 1 ADC channel = 0.61 mV
+const Float_t AliMUONConstants::fgkDefaultADC2MV = 0.61; 
+const Float_t AliMUONConstants::fgkDefaultCapa = 0.2; 
 
 //______________________________________________________________________________
 Int_t AliMUONConstants::NCh()
@@ -163,3 +182,19 @@ Int_t AliMUONConstants::ChamberNumber(Float_t z, bool warn)
   if (warn) AliWarningClass(Form("No chamber number found for z = %f",z));
   return -1;
 }
+
+//______________________________________________________________________________
+Float_t AliMUONConstants::ReducedQTot(Float_t qtot, Float_t timeDif)
+{
+  // return a reduced charge if the hit belongs to a track from a pileup event
+  Float_t q = qtot*1.19*(1.24-timeDif*1E6)*TMath::Exp(-(0.97-timeDif*1E6)*(0.97-timeDif*1E6)/2.42);
+  return q;
+}
+
+//______________________________________________________________________________
+Float_t AliMUONConstants::FC2ADC() {
+  // Return conversionfactor fc to adc
+  Float_t fc2adc = 1./(DefaultA0()*DefaultCapa()*DefaultADC2MV());
+  
+  return fc2adc;
+}