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EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
EvtMelikhov.cpp
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20 
22 
23 #include "EvtGenBase/EvtGenKine.hh"
24 #include "EvtGenBase/EvtPDL.hh"
26 #include "EvtGenBase/EvtPatches.hh"
27 #include "EvtGenBase/EvtReport.hh"
29 
31 
32 #include <stdlib.h>
33 #include <string>
34 
35 std::string EvtMelikhov::getName()
36 {
37  return "MELIKHOV";
38 }
39 
41 {
42  return new EvtMelikhov;
43 }
44 
46 {
48  calcamp->CalcAmp( p, _amp2, Melikhovffmodel.get() );
49 }
50 
52 {
53  checkNArg( 1 );
54  checkNDaug( 3 );
55 
56  //We expect the parent to be a scalar
57  //and the daughters to be X lepton neutrino
58 
60 
64 
65  Melikhovffmodel = std::make_unique<EvtMelikhovFF>( getArg( 0 ) );
66  calcamp = std::make_unique<EvtSemiLeptonicVectorAmp>();
67 }
void decay(EvtParticle *p) override
Definition: EvtMelikhov.cpp:45
double getArg(unsigned int j)
std::string getName() override
Definition: EvtMelikhov.cpp:35
std::unique_ptr< EvtSemiLeptonicAmp > calcamp
Definition: EvtMelikhov.hh:44
std::unique_ptr< EvtSemiLeptonicFF > Melikhovffmodel
Definition: EvtMelikhov.hh:43
EvtId * getDaugs()
Definition: EvtDecayBase.hh:66
double initializePhaseSpace(unsigned int numdaughter, EvtId *daughters, bool forceResetMasses=false, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)
void checkNDaug(int d1, int d2=-1)
void checkSpinParent(EvtSpinType::spintype sp)
void checkNArg(int a1, int a2=-1, int a3=-1, int a4=-1)
void checkSpinDaughter(int d1, EvtSpinType::spintype sp)
int getNDaug() const
Definition: EvtDecayBase.hh:65
EvtAmp _amp2
Definition: EvtDecayAmp.hh:73
EvtDecayBase * clone() override
Definition: EvtMelikhov.cpp:40
void init() override
Definition: EvtMelikhov.cpp:51