- ULong_t fFlags; // Reconstruction status flags
- Int_t fLabel; // Track label
- Int_t fID; // Unique ID of the track
- Float_t fTrackLength; // Track length
- Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
- Float_t fR[kSPECIES]; // combined "detector response probability"
-
- Int_t fStopVertex; // Index of stop vertex
-
-//Running track parameters
- Double_t fRalpha; // track rotation angle
- Double_t fRx; // X-coordinate of the track reference plane
- Double_t fRp[5]; // external track parameters
- Double_t fRc[15]; // external cov. matrix of the track parameters
-
-//Track parameters constrained to the primary vertex
- Double_t fCalpha; // Track rotation angle
- Double_t fCx; // x-coordinate of the track reference plane
- Double_t fCp[5]; // external track parameters
- Double_t fCc[15]; // external cov. matrix of the track parameters
- Double_t fCchi2; //chi2 at the primary vertex
-
-//Track parameters at the inner wall of the TPC
- Double_t fIalpha; // Track rotation angle
- Double_t fIx; // x-coordinate of the track reference plane
- Double_t fIp[5]; // external track parameters
- Double_t fIc[15]; // external cov. matrix of the track parameters
-//Track parameters at the inner wall of the TRD
- Double_t fTalpha; // Track rotation angle
- Double_t fTx; // x-coordinate of the track reference plane
- Double_t fTp[5]; // external track parameters
- Double_t fTc[15]; // external cov. matrix of the track parameters
-
-//Track parameters at the radius of the PHOS
- Double_t fOalpha; //! Track rotation angle
- Double_t fOx; //! x-coordinate of the track reference plane
- Double_t fOp[5]; //! external track parameters
- Double_t fOc[15]; //! external cov. matrix of the track parameters
-
-//Track parameters at the radius of the EMCAL
- Double_t fXalpha; //! Track rotation angle
- Double_t fXx; //! x-coordinate of the track reference plane
- Double_t fXp[5]; //! external track parameters
- Double_t fXc[15]; //! external cov. matrix of the track parameters
+
+
+ ULong_t fFlags; // Reconstruction status flags
+ Int_t fLabel; // Track label
+ Int_t fID; // Unique ID of the track
+ Float_t fTrackLength; // Track length
+ Float_t fD; // Impact parameter in XY plane
+ Float_t fZ; // Impact parameter in Z
+ Float_t fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
+ Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
+ Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
+
+ Int_t fStopVertex; // Index of the stop vertex
+
+ AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
+ Double_t fCchi2; // chi2 at the primary vertex
+
+
+ AliExternalTrackParam *fIp; // Track parameters at the inner wall of the TPC
+
+
+ AliExternalTrackParam *fOp; // Track parameters at the inner wall of the TRD