00001 //-------------------------------------------------------------------------- 00002 // 00003 // Environment: 00004 // This software is part of models developed at BES collaboration 00005 // based on the EvtGen framework. If you use all or part 00006 // of it, please give an appropriate acknowledgement. 00007 // 00008 // Copyright Information: See EvtGen/BesCopyright 00009 // Copyright (A) 2006 Ping Rong-Gang @IHEP 00010 // 00011 // Module: EvtBody3.cc //Modified Body3 model 00012 // 00013 // usage: 00014 // Users need to provide the MC and data file in NTuple style. The decays are described as 00015 // A-> x1 + x2 + x3 00016 //angular distribution: costheta1, costheta2 ,costheta3 00017 // mass distribution: m12, m13, and m23, here, m12 ==> mass of x1 and x2, etc. 00018 // these variables are defined as double type, the tree name is mc and data, repectively 00019 // Modification history: 00020 // 00021 // Ping R.-G. Aug., 2010 Module created 00022 // 00023 //------------------------------------------------------------------------ 00024 00025 #include "TH1.h" 00026 #include "TAxis.h" 00027 #include "TH2.h" 00028 #include "TH3.h" 00029 #include "TFile.h" 00030 #include "TApplication.h" 00031 #include "TROOT.h" 00032 00033 #include "EvtGenModels/EvtMBody3.hh" 00034 00035 00037 const char* EvtMBody3::setFileName(int i ){ 00038 const char* datafile; 00039 const char* mcfile; 00040 // --- user to specify the name of the NTuple for data (datafile ) and MC 00041 00042 datafile="./body3data.root"; //specify the data root file name 00043 mcfile ="./body3mc.root"; //specify the mc root fine name using for eff. correction 00044 00045 //--------- don't touch follows 00046 if(i==1){return datafile;} else if(i==2){return mcfile;} 00047 } 00048
1.4.7