text: #ifndef AlCaHOCalibProducer_HOCalibVariables_h
  #define AlCaHOCalibProducer_HOCalibVariables_h
  #include <vector>
  //April 2015 : Added more variables, e.g., momatho, tkpt03, ecal03, hcal03, inslumi, nprim
  struct HOCalibVariables {
  
    int   nmuon; //number of muons in the event
    int   nprim; // number of primary vertices
  
    float inslumi; //instantaneous luminosity
  
    float trkdr;  //r-phi coordinate of track wrt vertex
    float trkdz;  //Z coordinate of track wrt vertex
  
    float trkvx;  //X-Position of fitted track in the inner layer of DT
    float trkvy;  //Y-Position of fitted track in the inner layer of DT
    float trkvz;  //Z-Position of fitted track in the inner layer of DT
  
    float momatho; //Magnitude of track momenta at HO
    float trkmm;  //Magnitude of track momenta
    float trkth;  //Polar angle of track
    float trkph;  //Azimuthal angle of track
  
    float ndof;   //number of degrees of freedom (track fitting)
    //  float nrecht; //Number of rechit candidates in the track
    float chisq; //Fitted normalised chisquare (chi^2/ndf)
  
    float therr; //Error in fitted polar angle
    float pherr; //Error in fitted azimuthal angle
  
    int isect;  //HO tile information 100*abs(ieta+30)+abs(iphi) : Standalong geometry
    int isect2;  //HO tile information 100*abs(ieta+30)+abs(iphi) : CMSSW Geometry
    float hodx;  //Minimum distance of tracks entrace point in tiles local 
                 // co-ordinate system from an edge in X-axis
    float hody; //Same in Y-axis
    float hoang; //Angle between track (in HO tiles) and HO Z-axis
    float htime; //Energy weighted time of signal
    unsigned int   hoflag; //(HORecHitCollection::const_iterator jk, (*jk).flags();
    float hosig[9];    //HO signal in 3x3 tower with respect to the tile, where 
                 // muon passed through (for the consistency check of 
                 // track reconstruction
                   
    float hocorsig[18]; //Signals in all 18 pixel in that HPD, where muon signal is
                  //expected. One is signal, remaings are either cross-talk or
                  //due to wrongly reconstructed tracks (For cross talk study)
                  //For Ring 0 hocorsig[16-17] are X-Y position in layer0
    float hocro;        //Signal in tile with same eta, but phi1=phi+6
                  // (a check of pedestal)
    float hbhesig[9]; //Signal in HB towers
    float caloen[3]; //Associated energy in the calorimeter, 15, 25, 35 degree
    float tkpt03; //Energy deposit in tracker
    float ecal03; //Energy deposit in EM
    float hcal03; //Energy deposit in HCAL
  };
  
  typedef std::vector<HOCalibVariables> HOCalibVariableCollection;
  
  #endif
  