PeakSigmaSNHadEarlyHcalBar11.cxx Source File

00001 #include "FastShowerUtils/Samplers/PeakSigmaSNHadEarlyHcalBar11.h"
00002 #include "FastShowerUtils/PolyArgs.h"
00003 #include <cmath>
00004 namespace FastShower{
00005 
00006   double PeakSigmaSNHadEarlyHcalBar11::value(const PolyArgs& pa) const {
00007 
00008     double energy = pa.pp()->energy();
00009     double fC0 = pa.cs()->cell0();
00010     //
00011     double p1 = 0.3870;
00012     double p2 = 0.4559*exp(-0.06731*energy) - 0.6128;
00013 
00014     return  p1 + p2*fC0;
00015   }
00016   //
00017   IFn* PeakSigmaSNHadEarlyHcalBar11::clone() const {
00018     return new PeakSigmaSNHadEarlyHcalBar11();
00019   }
00020 }//namespace
00021 
00022