PeakSigmaS0HadLateHcalEc1.cxx Source File

00001 #include "FastShowerUtils/Samplers/PeakSigmaS0HadLateHcalEc1.h"
00002 #include "FastShowerUtils/PolyArgs.h"
00003 
00004 #include <cmath>
00005 namespace FastShower{
00006 
00007   double PeakSigmaS0HadLateHcalEc1::value(const PolyArgs& pa) const {
00008 
00009     double energy  = pa.pp()->energy();
00010     //
00011     double p1 =  0.3409;
00012     double p2 = -0.1167;
00013     double p3 =  0.07078;
00014     //
00015     return  p1*std::exp(p2*energy) + p3;
00016   }
00017   //
00018   IFn* PeakSigmaS0HadLateHcalEc1::clone() const {
00019     return new PeakSigmaS0HadLateHcalEc1();
00020   }
00021 }//namespace
00022 
00023