PeakSigmaS0HadEarlyEcalEc1.cxx Source File

00001 #include "FastShowerUtils/Samplers/PeakSigmaS0HadEarlyEcalEc1.h"
00002 #include "FastShowerUtils/PolyArgs.h"
00003 
00004 #include <cmath>
00005 namespace FastShower{
00006 
00007   double PeakSigmaS0HadEarlyEcalEc1::value(const PolyArgs& pa) const {
00008 
00009     double energy  = pa.pp()->energy();
00010     double aDelEta = fabs(pa.pp()->delEta());
00011     //
00012     //double p1 = 0.04165 + 0.0001207*energy;0.1627-0.00107
00013     //double p2 = -0.7214 - 0.001936*energy;1.428-0.01445
00014     //
00015     double p1 = 0.1627 - 0.00107*energy;
00016     double p2 = 1.428 - 0.01445*energy;
00017     //
00018     return  p1 + p2*aDelEta;
00019   }
00020   //
00021   IFn* PeakSigmaS0HadEarlyEcalEc1::clone() const {
00022     return new PeakSigmaS0HadEarlyEcalEc1();
00023   }
00024 }//namespace
00025 
00026