corr_pileupShift.h

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#ifndef CORR_PILEUPHIFT_H
#define CORR_PILEUPHIFT_H
#include "TH1D.h"
#include "TFile.h"
 

 
class corr_pileupShift {
 
 public:
   corr_pileupShift();
   ~corr_pileupShift();
  
   float getCorr(int layer, int run, float mu, float eta) const;
 
  private:
 
   // run range to apply the correction: 2016 data 296939 to 311563
   int m_runMin, m_runMax;
 
   // store corrections/mu  vs eta per layer
   TH1D* m_haverage[4]{};
   TFile* m_file;
 
};
#endif