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TailFracS0HadEarlyHcalBar3.cxx

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#include "FastShowerUtils/Samplers/TailFracS0HadEarlyHcalBar3.h"
#include "FastShowerUtils/PolyArgs.h"

#include <cmath>
namespace FastShower{

  double TailFracS0HadEarlyHcalBar3::value(const PolyArgs& pa) const {

    double energy  = pa.pp()->energy();
    double aDelEta = fabs(pa.pp()->delEta());
    //
    double p1 = 0.08485 - 0.0005652*energy;
    double p2 = -1.901 + 0.01223*energy;
    //
    return  p1 + p2*aDelEta;
  }
  //
  IFn* TailFracS0HadEarlyHcalBar3::clone() const {
    return new TailFracS0HadEarlyHcalBar3();
  }
}//namespace

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