MonoEnergyHiggsFlux class definiton. More...

Inheritance diagram for evgen::ldm::MonoEnergyHiggsFlux:

Public Member Functions
	MonoEnergyHiggsFlux (fhicl::ParameterSet const &pset)
	Constructor. More...

	~MonoEnergyHiggsFlux ()
	Destructor. More...

bool	MakeFlux (const simb::MCFlux &flux, MeVPrtlFlux &higgs, double &weight) override

void	configure (const fhicl::ParameterSet &) override
	Interface for configuring the particular algorithm tool. More...

double	MaxWeight () override

Public Member Functions inherited from evgen::ldm::IMeVPrtlFlux
virtual	~IMeVPrtlFlux () noexcept=default
	Virtual Destructor. More...

	IMeVPrtlFlux (const fhicl::ParameterSet &pset)

Public Member Functions inherited from evgen::ldm::IMeVPrtlStage
virtual	~IMeVPrtlStage () noexcept
	Virtual Destructor. More...

	IMeVPrtlStage (const char *name)

TVector3	RandomUnitVector ()

double	GetRandom ()

const char *	Name ()

Private Attributes
TVector3	fStart
	Start of Higgs ray in detector coordinates [cm]. More...

TVector3	fDir
	Direction of Higgs ray (unit vector) More...

double	fE
	Energy of Higgs [GeV]. More...

double	fM
	Mass of Higgs [GeV]. More...

double	fMixingAngle

double	fStartTime
	Start time of Higgs in detector time [us]. More...

Additional Inherited Members
Protected Member Functions inherited from evgen::ldm::IMeVPrtlFlux
TLorentzVector	BeamOrigin ()

double	EnuLab (double enucm, TLorentzVector meson_mom, TLorentzVector meson_pos)

Protected Attributes inherited from evgen::ldm::IMeVPrtlFlux
evgb::EvtTimeShiftI *	fTimeShiftMethod

TRotation	fBeam2Det

TVector3	fBeamOrigin

std::string	fSpillTimeConfig

Protected Attributes inherited from evgen::ldm::IMeVPrtlStage
CLHEP::HepRandomEngine *	fEngine

const char *	fName

Detailed Description

MonoEnergyHiggsFlux class definiton.

Definition at line 40 of file MonoEnergyHiggsFlux_tool.cc.

Constructor & Destructor Documentation

evgen::ldm::MonoEnergyHiggsFlux::MonoEnergyHiggsFlux ( fhicl::ParameterSet const & pset )

Constructor.

Definition at line 68 of file MonoEnergyHiggsFlux_tool.cc.

                                                                      :
   IMeVPrtlStage("MonoEnergyHiggsFlux"), 
   IMeVPrtlFlux(pset) 
 {
     this->configure(pset);
 }

evgen::ldm::MonoEnergyHiggsFlux::~MonoEnergyHiggsFlux ( )

Destructor.

Definition at line 77 of file MonoEnergyHiggsFlux_tool.cc.

78 {

79 }

Member Function Documentation

void evgen::ldm::MonoEnergyHiggsFlux::configure ( const fhicl::ParameterSet & )

overridevirtual

Interface for configuring the particular algorithm tool.

Parameters

ParameterSet The input set of parameters for configuration

Implements evgen::ldm::IMeVPrtlStage.

Definition at line 82 of file MonoEnergyHiggsFlux_tool.cc.

 {
   fStart = TVector3(pset.get<double>("X"), pset.get<double>("Y"), pset.get<double>("Z")); 
   fDir = TVector3(pset.get<double>("Xdir"), pset.get<double>("Ydir"), pset.get<double>("Zdir"));
 
   fE = pset.get<double>("E");
   fM = pset.get<double>("M");
   fMixingAngle = pset.get<double>("MixingAngle");
   fStartTime = pset.get<double>("T", 0.);
 
 }

bool evgen::ldm::MonoEnergyHiggsFlux::MakeFlux	(	const simb::MCFlux &	flux,
		MeVPrtlFlux &	higgs,
		double &	weight
	)

overridevirtual

Implements evgen::ldm::IMeVPrtlFlux.

Definition at line 94 of file MonoEnergyHiggsFlux_tool.cc.

                                                                                               {
   (void) flux;
   higgs.pos = TLorentzVector(fStart, fStartTime);
   // set the momentum
   TVector3 p = fDir * sqrt(fE*fE - fM * fM);
   higgs.mom = TLorentzVector(p, fE);
   higgs.C1 = fMixingAngle;
   higgs.mass = fM;
 
   // no kaon here
   higgs.kmom = TLorentzVector(0, 0, 0, 0);
   higgs.kaon_pdg = -1;
 
   // beam is same as detector coord
   higgs.pos_beamcoord = higgs.pos;
   higgs.mom_beamcoord = higgs.mom;
   higgs.kmom_beamcoord = higgs.kmom;
   higgs.generator = 0; // kDissonantHiggs
 
 
   weight = 1.;
   return true;
 }