genie::utils::hnl Namespace Reference

Useful kinematic functions. More...

Functions
string	ProdAsString (genie::hnl::HNLProd_t hnlprod)
string	AsString (genie::hnl::HNLDecayMode_t hnldm)
bool	IsProdKinematicallyAllowed (genie::hnl::HNLProd_t hnlprod)
bool	IsKinematicallyAllowed (genie::hnl::HNLDecayMode_t hnldm, double Mhnl)
PDGCodeList	ProductionProductList (genie::hnl::HNLProd_t hnldm)
PDGCodeList	DecayProductList (genie::hnl::HNLDecayMode_t hnldm)
int	GetCfgInt (string file_id, string set_name, string par_name)
std::vector< int >	GetCfgIntVec (string file_id, string set_name, string par_name)
double	GetCfgDouble (string file_id, string set_name, string par_name)
std::vector< double >	GetCfgDoubleVec (string file_id, string set_name, string par_name)
bool	GetCfgBool (string file_id, string set_name, string par_name)
std::vector< bool >	GetCfgBoolVec (string file_id, string set_name, string par_name)
std::string	GetCfgString (string file_id, string set_name, string par_name)
double	MassX (double m1, double m2)
double	Kallen (double x, double y, double z)
double	SymmDiff (double x, double y)
double	RhoFunc (double x, double y)

Detailed Description

Useful kinematic functions.

Author

John Plows komni.nosp@m.nos-.nosp@m.john..nosp@m.plow.nosp@m.s@phy.nosp@m.sics.nosp@m..ox.a.nosp@m.c.uk

Created:

January 11th, 2022

License:

Copyright (c) 2003-2024, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Function Documentation

string genie::utils::hnl::AsString

(

genie::hnl::HNLDecayMode_t

hnldm

)

Referenced by main(), genie::hnl::Decayer::ProcessEventRecord(), ReadInConfig(), SelectDecayMode(), and TestDecay().

PDGCodeList genie::utils::hnl::DecayProductList

(

genie::hnl::HNLDecayMode_t

hnldm

)

Referenced by genie::hnl::Decayer::GenerateDecayProducts().

bool genie::utils::hnl::GetCfgBool	(	string	file_id,
		string	set_name,
		string	par_name
	)

std::vector<bool> genie::utils::hnl::GetCfgBoolVec	(	string	file_id,
		string	set_name,
		string	par_name
	)

double genie::utils::hnl::GetCfgDouble	(	string	file_id,
		string	set_name,
		string	par_name
	)

std::vector<double> genie::utils::hnl::GetCfgDoubleVec	(	string	file_id,
		string	set_name,
		string	par_name
	)

int genie::utils::hnl::GetCfgInt	(	string	file_id,
		string	set_name,
		string	par_name
	)

std::vector<int> genie::utils::hnl::GetCfgIntVec	(	string	file_id,
		string	set_name,
		string	par_name
	)

std::string genie::utils::hnl::GetCfgString	(	string	file_id,
		string	set_name,
		string	par_name
	)

bool genie::utils::hnl::IsKinematicallyAllowed	(	genie::hnl::HNLDecayMode_t	hnldm,
		double	Mhnl
	)

Referenced by genie::hnl::BRCalculator::DWidth_Global(), and SelectDecayMode().

bool genie::utils::hnl::IsProdKinematicallyAllowed

(

genie::hnl::HNLProd_t

hnlprod

)

Referenced by genie::hnl::BRCalculator::KScale_Global(), genie::hnl::FluxCreator::LoadConfig(), and genie::hnl::FluxCreator::MakeTupleFluxEntry().

double genie::utils::hnl::Kallen ( double  x, double  y, double  z  )

inline

Definition at line 37 of file HNLKinUtils.h.

Referenced by genie::hnl::Decayer::CalcPolMag(), genie::hnl::Decayer::CalcPolMod(), genie::hnl::BRCalculator::DWidth_PiAndLepton(), and RhoFunc().

                                                             {
            return x*x + y*y + z*z - 2. * ( x*y + y*z + z*x );
        }

double genie::utils::hnl::MassX ( double  m1, double  m2  )

inline

Definition at line 32 of file HNLKinUtils.h.

References LOG, genie::units::m2, and pERROR.

Referenced by genie::hnl::BRCalculator::DWidth_DiffLepton(), genie::hnl::BRCalculator::DWidth_PiAndLepton(), genie::hnl::BRCalculator::DWidth_PiZeroAndNu(), genie::hnl::BRCalculator::DWidth_SameLepton(), and genie::hnl::BRCalculator::KScale_PseudoscalarToLepton().

                                                    {
            if( m2 <= 0. || m1 < 0.) { LOG( "HNL", pERROR ) << "Illegal masses m1 = " << m1 << ", m2 = " << m2; exit( 3 ); }
            return m1 / m2;
        }

string genie::utils::hnl::ProdAsString

(

genie::hnl::HNLProd_t

hnlprod

)

Referenced by genie::hnl::FluxCreator::HNLEnergy(), genie::hnl::FluxCreator::MakeTupleFluxEntry(), and genie::hnl::operator<<().

PDGCodeList genie::utils::hnl::ProductionProductList

(

genie::hnl::HNLProd_t

hnldm

)

Referenced by genie::hnl::FluxCreator::HNLEnergy().

double genie::utils::hnl::RhoFunc ( double  x, double  y  )

inline

Definition at line 45 of file HNLKinUtils.h.

References Kallen(), and SymmDiff().

Referenced by genie::hnl::BRCalculator::KScale_PseudoscalarToLepton().

                                                    {
          return SymmDiff( x, y ) * std::sqrt( Kallen( 1, x, y ) );
        }

double genie::utils::hnl::SymmDiff ( double  x, double  y  )

inline

Definition at line 41 of file HNLKinUtils.h.

Referenced by RhoFunc().

                                                     {
          return x + y - ( x-y ) * ( x-y );
        }