genie::utils::gsl::wrap::KovQELCharmIntegrand Class Reference

Auxiliary scalar function for the internal integration in Kovalenko QEL charm production cross section algorithm. More...

#include <KovalenkoQELCharmPXSec.h>

Inheritance diagram for genie::utils::gsl::wrap::KovQELCharmIntegrand:

Collaboration diagram for genie::utils::gsl::wrap::KovQELCharmIntegrand:

Public Member Functions
	KovQELCharmIntegrand (PDF *pdf, double Q2, int nucleon_pdgc)
	~KovQELCharmIntegrand ()
unsigned int	NDim (void) const
double	DoEval (double xin) const
ROOT::Math::IBaseFunctionOneDim *	Clone (void) const

Private Attributes
PDF *	fPDF
double	fQ2
int	fPdgC

Detailed Description

Auxiliary scalar function for the internal integration in Kovalenko QEL charm production cross section algorithm.

Author

Costas Andreopoulos <c.andreopoulos cern.ch> University of Liverpool

Created:

February 20, 2006

Definition at line 108 of file KovalenkoQELCharmPXSec.h.

Constructor & Destructor Documentation

utils::gsl::wrap::KovQELCharmIntegrand::KovQELCharmIntegrand	(	PDF *	pdf,
		double	Q2,
		int	nucleon_pdgc
	)

Definition at line 331 of file KovalenkoQELCharmPXSec.cxx.

References fPDF, fPdgC, and fQ2.

                                                   :
ROOT::Math::IBaseFunctionOneDim()
{
  fPDF  = pdf;
  fQ2   = TMath::Max(0.3, Q2);
  fPdgC = nucleon_pdgc;
}

utils::gsl::wrap::KovQELCharmIntegrand::~KovQELCharmIntegrand

(

)

Definition at line 340 of file KovalenkoQELCharmPXSec.cxx.

{

}

Member Function Documentation

ROOT::Math::IBaseFunctionOneDim * utils::gsl::wrap::KovQELCharmIntegrand::Clone

(

void

)

const

Definition at line 365 of file KovalenkoQELCharmPXSec.cxx.

{
  return new utils::gsl::wrap::KovQELCharmIntegrand(fPDF, fQ2, fPdgC);
}

double utils::gsl::wrap::KovQELCharmIntegrand::DoEval

(

double

xin

)

const

Definition at line 350 of file KovalenkoQELCharmPXSec.cxx.

References genie::pdg::IsProton(), LOG, and pDEBUG.

{
  if(xin<0 || xin>1) return 0.;

  fPDF->Calculate(xin, fQ2);
  bool isP = pdg::IsProton(fPdgC);
  double f = (isP) ? fPDF->DownValence() : fPDF->UpValence();

  LOG("QELCharmXSec", pDEBUG)
        << "f(xin = " << xin << ", Q2 = " << fQ2 << ") = " << f;

  return f;
}

unsigned int utils::gsl::wrap::KovQELCharmIntegrand::NDim

(

void

)

const

Definition at line 345 of file KovalenkoQELCharmPXSec.cxx.

{
  return 1;
}

Member Data Documentation

PDF* genie::utils::gsl::wrap::KovQELCharmIntegrand::fPDF

private

Definition at line 118 of file KovalenkoQELCharmPXSec.h.

Referenced by KovQELCharmIntegrand().

int genie::utils::gsl::wrap::KovQELCharmIntegrand::fPdgC

private

Definition at line 120 of file KovalenkoQELCharmPXSec.h.

Referenced by KovQELCharmIntegrand().

double genie::utils::gsl::wrap::KovQELCharmIntegrand::fQ2

private

Definition at line 119 of file KovalenkoQELCharmPXSec.h.

Referenced by KovQELCharmIntegrand().

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The documentation for this class was generated from the following files:

• KovalenkoQELCharmPXSec.h
• KovalenkoQELCharmPXSec.cxx