- Double_t fAlpha; // rotation angle
- Double_t fX; // running local X-coordinate of the track (time bin)
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- Double_t fY; // Y-coordinate of the track
- Double_t fZ; // Z-coordinate of the track
- Double_t fE; // C*x0
- Double_t fT; // tangent of the track momentum dip angle
- Double_t fC; // track curvature
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- Double_t fCyy; // covariance
- Double_t fCzy, fCzz; // matrix
- Double_t fCey, fCez, fCee; // of the
- Double_t fCty, fCtz, fCte, fCtt; // track
- Double_t fCcy, fCcz, fCce, fCct, fCcc; // parameters