+ Double_t fSumDr; //fSumDr
+ Double_t fSumDr2; //fSumDr2
+ Double_t fSumDr3; // fSumDr3
+ Double_t fSumDr4; //fSumDr4
+ Double_t fSumDFi; //fSumDFi
+ Double_t fSumDFiDr; // fSumDFiDr
+ Double_t fSumDFiDr2;//fSumDFiDr2
+ Double_t fSumDZ; //fSumDZ
+ Double_t fSumDZDr; //fSumDZDr
+ Double_t fSumDZDr2; //fSumDZDr2