PARTONS::GPDSubtractionConstantDLMSTW21Evolution Namespace Reference

Functions
size_t	getNActiveFlavors (double muF2)
	Number of active flavors. More...
double	getThreshold2 (size_t nf)
	Threshold for a given number of active flavors. More...
double	lambdaQCD (size_t nf)
	Lambda_QCD. More...
double	lambdaQCD (double muF2)
	Lambda_QCD. More...
double	beta (size_t i, size_t nf)
	Beta coefficient. More...
double	alphaS (double muF2)
	Running coupling. More...
double	evolutionGamma (size_t n, int sign, size_t nf)
double	evolutionA (size_t n, int sign, size_t nf)
	Gluon evolution coefficients denoted as a_n^\pm. More...
double	evolveQuarkDiff (double muF2, double muF20, double dQuarkDiff, size_t n, size_t nf)
	Evolve quark non-singlet ignoring quark's thresholds. More...
double	evolveQuarkSum (double muF2, double muF20, double dQuarkSum, double dGluon, size_t n, size_t nf)
	Evolve quark singlet ignoring quark's thresholds. More...
double	evolveGluon (double muF2, double muF20, double dQuarkSum, double dGluon, size_t n, size_t nf)
	Evolve gluons ignoring quark's thresholds. More...
std::vector< double >	evolveQuarkGluon (double mu2, double mu20, std::vector< double > dPartons, size_t n, size_t nf)
	Evolve quarks and gluons ignoring quark's thresholds. More...
std::vector< double >	evolveQuarkGluon (double mu2, double mu20, std::vector< double > dPartons, size_t n)
	Evolve quarks and gluons including quark's thresholds. More...
double	evolutionGamma (double n, int sign, size_t nf)
	Anomalous dimension. More...

Variables
const double	c_cf = 4. / 3.
	Color factors. More...
const double	c_tf = 0.5
const double	c_ca = 3.
const double	c_m_u2 = pow(2.2 / 1.E3, 2)
	Quark masses (squared). More...
const double	c_m_d2 = pow(4.7 / 1.E3, 2)
const double	c_m_s2 = pow(96. / 1.E3, 2)
const double	c_m_c2 = pow(1.28, 2)
const double	c_m_b2 = pow(4.18, 2)
const double	c_m_t2 = pow(173.1, 2)

Function Documentation

alphaS()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::alphaS

(

double

mu2

)

Running coupling.

beta()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::beta	(	size_t	i,
		size_t	nf
	)

Beta coefficient.

evolutionA()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolutionA	(	size_t	n,
		int	sign,
		size_t	nf
	)

Gluon evolution coefficients denoted as a_n^\pm.

evolutionGamma() [1/2]

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolutionGamma	(	double	n,
		int	sign,
		size_t	nf
	)

Anomalous dimension.

evolutionGamma() [2/2]

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolutionGamma	(	size_t	n,
		int	sign,
		size_t	nf
	)

evolveGluon()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolveGluon	(	double	muF2,
		double	muF20,
		double	dQuarkSum,
		double	dGluon,
		size_t	n,
		size_t	nf
	)

Evolve gluons ignoring quark's thresholds.

dQuarkSum is a sum of d^q.

evolveQuarkDiff()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolveQuarkDiff	(	double	muF2,
		double	muF20,
		double	dQuarkDiff,
		size_t	n,
		size_t	nf
	)

Evolve quark non-singlet ignoring quark's thresholds.

dQuarkDiff is a diffrence of twho d^q.

evolveQuarkGluon() [1/2]

std::vector< double > PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolveQuarkGluon	(	double	mu2,
		double	mu20,
		std::vector< double >	dPartons,
		size_t	n
	)

Evolve quarks and gluons including quark's thresholds.

dPartons is a vector of dGluon, dQuark1, dQuark2, ...

evolveQuarkGluon() [2/2]

std::vector< double > PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolveQuarkGluon	(	double	mu2,
		double	mu20,
		std::vector< double >	dPartons,
		size_t	n,
		size_t	nf
	)

Evolve quarks and gluons ignoring quark's thresholds.

dPartons is a vector of dGluon, dQuark1, dQuark2, ...

evolveQuarkSum()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::evolveQuarkSum	(	double	muF2,
		double	muF20,
		double	dQuarkSum,
		double	dGluon,
		size_t	n,
		size_t	nf
	)

Evolve quark singlet ignoring quark's thresholds.

dQuarkSum is a sum of d^q.

getNActiveFlavors()

size_t PARTONS::GPDSubtractionConstantDLMSTW21Evolution::getNActiveFlavors

(

double

mu2

)

Number of active flavors.

getThreshold2()

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::getThreshold2

(

size_t

nf

)

Threshold for a given number of active flavors.

lambdaQCD() [1/2]

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::lambdaQCD

(

double

mu2

)

Lambda_QCD.

lambdaQCD() [2/2]

double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::lambdaQCD

(

size_t

nf

)

Lambda_QCD.

Variable Documentation

c_ca

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_ca = 3.

c_cf

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_cf = 4. / 3.

Color factors.

c_m_b2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_b2 = pow(4.18, 2)

c_m_c2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_c2 = pow(1.28, 2)

c_m_d2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_d2 = pow(4.7 / 1.E3, 2)

c_m_s2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_s2 = pow(96. / 1.E3, 2)

c_m_t2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_t2 = pow(173.1, 2)

c_m_u2

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_m_u2 = pow(2.2 / 1.E3, 2)

Quark masses (squared).

c_tf

const double PARTONS::GPDSubtractionConstantDLMSTW21Evolution::c_tf = 0.5