genie::utils::gsl::d2XSec_dWdQ2_E Class Reference

#include <GSLXSecFunc.h>

Inheritance diagram for genie::utils::gsl::d2XSec_dWdQ2_E:

Collaboration diagram for genie::utils::gsl::d2XSec_dWdQ2_E:

Public Member Functions
	d2XSec_dWdQ2_E (const XSecAlgorithmI *m, const Interaction *i)
	~d2XSec_dWdQ2_E ()
unsigned int	NDim (void) const
double	DoEval (const double *xin) const
ROOT::Math::IBaseFunctionMultiDim *	Clone (void) const

Private Attributes
const XSecAlgorithmI *	fModel
const Interaction *	fInteraction

Detailed Description

Definition at line 215 of file GSLXSecFunc.h.

Constructor & Destructor Documentation

genie::utils::gsl::d2XSec_dWdQ2_E::d2XSec_dWdQ2_E	(	const XSecAlgorithmI *	m,
		const Interaction *	i
	)

Definition at line 399 of file GSLXSecFunc.cxx.

                                                      :
ROOT::Math::IBaseFunctionMultiDim(),
fModel(m),
fInteraction(i)
{

}

genie::utils::gsl::d2XSec_dWdQ2_E::~d2XSec_dWdQ2_E

(

)

Definition at line 407 of file GSLXSecFunc.cxx.

{

}

Member Function Documentation

ROOT::Math::IBaseFunctionMultiDim * genie::utils::gsl::d2XSec_dWdQ2_E::Clone

(

void

)

const

Definition at line 441 of file GSLXSecFunc.cxx.

{
  return
    new genie::utils::gsl::d2XSec_dWdQ2_E(fModel,fInteraction);
}

double genie::utils::gsl::d2XSec_dWdQ2_E::DoEval

(

const double *

xin

)

const

Definition at line 415 of file GSLXSecFunc.cxx.

References genie::units::cm2, genie::kPSWQ2fE, genie::kRfHitNucRest, genie::utils::kinematics::Q2(), genie::utils::kinematics::W(), and genie::utils::kinematics::WQ2toXY().

{
// inputs:
//    W  [GeV]
//    Q2 [GeV^2]
// outputs:
//   differential cross section [10^-38 cm^2/GeV^3]
//
  double W  = xin[0];
  double Q2 = xin[1];
  fInteraction->KinePtr()->SetW(W);
  fInteraction->KinePtr()->SetQ2(Q2);
  if(fInteraction->ProcInfo().IsDeepInelastic() ||
     fInteraction->ProcInfo().IsDarkMatterDeepInelastic()) {
    double x=0,y=0;
    double E = fInteraction->InitState().ProbeE(kRfHitNucRest);
    double M = fInteraction->InitState().Tgt().HitNucP4Ptr()->M();

    kinematics::WQ2toXY(E,M,W,Q2,x,y);
    fInteraction->KinePtr()->Setx(x);
    fInteraction->KinePtr()->Sety(y);
  }
  double xsec = fModel->XSec(fInteraction, kPSWQ2fE);
  return xsec/(1E-38 * units::cm2);
}

unsigned int genie::utils::gsl::d2XSec_dWdQ2_E::NDim

(

void

)

const

Definition at line 411 of file GSLXSecFunc.cxx.

{
  return 2;
}

Member Data Documentation

const Interaction* genie::utils::gsl::d2XSec_dWdQ2_E::fInteraction

private

Definition at line 228 of file GSLXSecFunc.h.

const XSecAlgorithmI* genie::utils::gsl::d2XSec_dWdQ2_E::fModel

private

Definition at line 227 of file GSLXSecFunc.h.

---

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

• GSLXSecFunc.h
• GSLXSecFunc.cxx