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InclusiveDiffractiveCrossSections.h
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InclusiveDiffractiveCrossSections.h
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//==============================================================================
// InclusiveDiffractiveCrossSection.h
//
// Copyright (C) 2024 Tobias Toll and Thomas Ullrich
//
// This file is part of Sartre.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation.
// This program is distributed in the hope that it will be useful,
// but without any warranty; without even the implied warranty of
// merchantability or fitness for a particular purpose. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Author: Tobias Toll
// Last update:
// $Date: 2024-06-03 11:27:05 -0400 (Mon, 03 Jun 2024) $
// $Author: ullrich $
//==============================================================================
#ifndef InclusiveDiffractiveCrossSections_h
#define InclusiveDiffractiveCrossSections_h
#include "AlphaStrong.h"
#include "TH1.h"
#include "TMath.h"
#include "TF1.h"
#include "Math/WrappedTF1.h"
#include "Math/GaussIntegrator.h"
#include "DipoleModel.h"
#include "PhotonFlux.h"
#include "Enumerations.h"
#include "Constants.h"
class DipoleModel;
class DipoleModelParameters;
class InclusiveDiffractiveCrossSections {
public:
InclusiveDiffractiveCrossSections();
~InclusiveDiffractiveCrossSections();
double operator()(double beta, double Q2, double W2, double z);
double operator()(const double* array);
double unuranPDF(const double*);
GammaPolarization polarizationOfLastCall() ;
double crossSectionOfLastCall();
unsigned int quarkSpeciesOfLastCall();
double quarkMassOfLastCall();
double crossSectionRatioLTOfLastCall() const;
void setCheckKinematics(bool);
double dsigdbetadQ2dW2dz_total(double beta, double Q2, double W2, double z, GammaPolarization) ;
double dsigdbetadQ2dW2dz_qqg(double beta, double Q2, double W2, double z);
// InclusiveDiffractiveCrossSections(const InclusiveDiffractiveCrossSections&);
// InclusiveDiffractiveCrossSections& operator=(const InclusiveDiffractiveCrossSections&);
double dsigdbetadQ2dW2dz_total_checked(double beta, double Q2, double W2, double z);
DipoleModel* dipoleModel();
double dsigmadbetadz_T(double, double, double, double) ;
double dsigmadbetadz_L(double, double, double, double) ;
double dsigmadbetadz_QQG(double, double, double, double) ;
double mDsigdbetadQ2dWdz_L_total[5];
double mDsigdbetadQ2dWdz_T_total[5];
double mDsigdbetadQ2dWdz_T_qqg[5];
void setQuarkIndex(unsigned int);
protected:
double dsigdMX2dQ2dW2dz_total_checked(double MX2, double Q2, double W2, double z);
double dsigdbetadz_total(double beta, double Q2, double W2, double z, GammaPolarization pol);
private:
TRandom3* mRandom;
GammaPolarization mPolarization;
PhotonFlux mPhotonFlux;
EventGeneratorSettings* mSettings;
unsigned int mQuarkSpecies;
double mTotalCS;
double mS, mQ2;
bool mCheckKinematics;
double Phi_0(double, double, double, double, double);
double Phi_1(double, double, double, double, double);
double Phi_qqg(double, double, double);
double uiPhi_0(double*, double*);
double uiPhi_1(double*, double*);
double Amplitude_0(double);
double Amplitude_1(double);
double uiAmplitude_0(double*, double*);
double uiAmplitude_1(double*, double*);
double uiPhi_qqg(const double*);
double uiAmplitude_qqg(double*, double*);
unsigned int mA;
unsigned int mQuarkIndex;
double mCrossSectionRatioLT;
DipoleModel* mDipoleModel;
TF1 *Amp0, *Amp1, *Ampqqg;
ROOT::Math::WrappedTF1 *WFAmp0, *WFAmp1, *WFAmpqqg;
ROOT::Math::GaussIntegrator GIAmp0, GIAmp1, GIAmpqqg;
};
#endif

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