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TailFracC0EmEcalBar1.cxx

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#include "FastShowerUtils/Samplers/TailFracC0EmEcalBar1.h"
#include "FastShowerUtils/PolyArgs.h"
#include <cmath>
namespace FastShower{

  double TailFracC0EmEcalBar1::value(const PolyArgs& pa) const {
    double energy  = pa.pp()->energy();
    double aDelPhi = fabs(pa.pp()->delPhi());
    double p1 =  0.175*std::exp(-0.025*energy) + 0.02;
    double p2 = -2.442*std::exp(-0.02789*energy) + 1.085;
     //
    return p1  + p2*aDelPhi;
  }
  //
  IFn* TailFracC0EmEcalBar1::clone() const {return new TailFracC0EmEcalBar1();}
}//namespace

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