PeakSigmaSNHadLateHcalBar11.cxx Source File

00001 #include "FastShowerUtils/Samplers/PeakSigmaSNHadLateHcalBar11.h"
00002 #include "FastShowerUtils/PolyArgs.h"
00003 #include <cmath>
00004 namespace FastShower{
00005 
00006   double PeakSigmaSNHadLateHcalBar11::value(const PolyArgs& pa) const {
00007 
00008     double energy = pa.pp()->energy();
00009     double fC0 = pa.cs()->cell0();
00010     //
00011     double p1 =  0.9653*std::exp(-0.1830*energy) + 0.00009257;
00012     double p2 = -25.72*std::exp(-0.5175*energy) + 0.002491;
00013 
00014     return  p1 + p2*fC0;
00015   }
00016   //
00017   IFn* PeakSigmaSNHadLateHcalBar11::clone() const {
00018     return new PeakSigmaSNHadLateHcalBar11();
00019   }
00020 }//namespace
00021 
00022