-Float_t AliMUONConstants::fgDmin[7] = { 36.4, 46.2, 66.0, 80., 80., 100., 100.};
-Float_t AliMUONConstants::fgDmax[7] = {183., 245., 395., 560., 563., 850., 900.};
-Int_t AliMUONConstants::fgMaxZoom = 20;
+// Defaults parameters for dipole magnet
+// From ALICE Dimuon - parameters / geometry table,
+// V7-3 (version 7 created 24/03/2004 updated 25/10/2005)
+Double_t AliMUONConstants::fgCoilZ = -994.05;
+Double_t AliMUONConstants::fgCoilL = 502.1;
+Double_t AliMUONConstants::fgYokeZ = -986.6;
+Double_t AliMUONConstants::fgYokeL = 309.4;
+
+// Defaults parameters for absorber (27/06/07)
+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)
+const Double_t AliMUONConstants::fgkTriggerNonBendingReso = 1.;
+const Double_t AliMUONConstants::fgkTriggerBendingReso = 1.;
+
+// 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;