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Index: trunk/src/Integrals.cpp
===================================================================
--- trunk/src/Integrals.cpp (revision 361)
+++ trunk/src/Integrals.cpp (revision 362)
@@ -1,740 +1,740 @@
//==============================================================================
// Integrals.cpp
//
// Copyright (C) 2010-2018 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:
// $Date$
// $Author$
//==============================================================================
#include <iostream>
#include <cmath>
#include <algorithm>
#include "Integrals.h"
#include "Constants.h"
#include "Nucleus.h"
#include "DipoleModel.h"
#include "AlphaStrong.h"
#include "Math/IntegratorMultiDim.h"
#include "Math/Functor.h"
#include "TMath.h"
#include "WaveOverlap.h"
#include "Kinematics.h"
#include "TableGeneratorSettings.h"
#include "Enumerations.h"
#include "IntegrandWrappers.h"
#include "TF1.h"
#include "TH1F.h"
#include "cuba.h"
#define PRf(x) printf(#x); printf("=%g \n", (x));
#define PRi(x) printf(#x); printf("=%d \n", (x));
#define PR(x) cout << #x << " = " << (x) << endl;
using namespace std;
Integrals::Integrals()
{
mIsInitialized=false;
mRelativePrecisionOfIntegration = 0;
mWaveOverlap = 0;
mDipoleModel = 0;
mDipoleModelForSkewednessCorrection = 0;
mIntegralImT = 0;
mIntegralImL = 0;
mIntegralReT = 0;
mIntegralReL = 0;
mErrorImT = 0;
mErrorImL = 0;
mErrorReT = 0;
mErrorReL = 0;
mProbImT = 0;
mProbImL = 0;
mProbReT = 0;
mProbReL = 0;
mIntegralTForSkewedness = 0;
mIntegralLForSkewedness = 0;
mErrorTForSkewedness = 0;
mErrorLForSkewedness = 0;
TableGeneratorSettings* settings = TableGeneratorSettings::instance();
mVerbose=settings->verbose();
int VMId=settings->vectorMesonId();
mMV = settings->lookupPDG(VMId)->Mass();
mIsUPC = settings->UPC();
if (VMId==113 || VMId==333 || VMId == 443 || VMId == 553) {
mWaveOverlap = new WaveOverlapVM;
mWaveOverlap->setProcess(VMId);
mWaveOverlap->setWaveOverlapFunctionParameters(VMId);
if(mVerbose)
mWaveOverlap->testBoostedGaussianParameters(VMId);
}
else if (VMId==22) {
mWaveOverlap = new WaveOverlapDVCS;
}
else {
cout << "Integrals::init(): Error, no exclusive production implemented for: "<< VMId << endl;
exit(1);
}
DipoleModelType model=settings->dipoleModelType();
if (model==bSat) {
mDipoleModel = new DipoleModel_bSat;
}
else if(model==bNonSat){
mDipoleModel = new DipoleModel_bNonSat;
}
else if (model==bCGC) {
mDipoleModel = new DipoleModel_bCGC;
}
else {
cout << "Integrals::init(): Error, model not implemented: "<< model << endl;
exit(1);
}
mCalculateSkewedness=false;
if(settings->A()==1 and settings->modesToCalculate()!=1 and settings->numberOfConfigurations()==1 and model==bSat) {
mCalculateSkewedness=true;
mDipoleModelForSkewednessCorrection = new DipoleModel_bNonSat;
}
mIsInitialized=true;
}
Integrals::Integrals(const Integrals& integrals)
{
mIsInitialized = integrals.mIsInitialized;
mRelativePrecisionOfIntegration = integrals.mRelativePrecisionOfIntegration;
if (typeid(*mWaveOverlap) == typeid(WaveOverlapDVCS))
mWaveOverlap = new WaveOverlapDVCS;
else
mWaveOverlap = new WaveOverlapVM;
if (typeid(*mDipoleModel) == typeid(DipoleModel_bSat))
mDipoleModel = new DipoleModel_bSat;
else if(typeid(*mDipoleModel) == typeid(DipoleModel_bNonSat))
mDipoleModel = new DipoleModel_bNonSat;
else
mDipoleModel = new DipoleModel_bCGC;
if (typeid(*mDipoleModelForSkewednessCorrection) == typeid(DipoleModel_bNonSat))
mDipoleModel = new DipoleModel_bNonSat;
mIntegralImT = integrals.mIntegralImT;
mIntegralImL = integrals.mIntegralImL;
mIntegralReT = integrals.mIntegralReT;
mIntegralReL = integrals.mIntegralReL;
mErrorImT = integrals.mErrorImT;
mErrorImL = integrals.mErrorImL;
mErrorReT = integrals.mErrorReT;
mErrorReL = integrals.mErrorReL;
mProbImT = integrals.mProbImT;
mProbImL = integrals.mProbImL;
mProbReT = integrals.mProbReT;
mProbReL = integrals.mProbReL;
mMV = integrals.mMV;
}
Integrals& Integrals::operator=(const Integrals& integrals)
{
if (this != &integrals) {
delete mWaveOverlap;
delete mDipoleModel;
delete mDipoleModelForSkewednessCorrection;
if (typeid(*mWaveOverlap) == typeid(WaveOverlapDVCS))
mWaveOverlap = new WaveOverlapDVCS;
else
mWaveOverlap = new WaveOverlapVM;
if (typeid(*mDipoleModel) == typeid(DipoleModel_bSat))
mDipoleModel = new DipoleModel_bSat;
else if (typeid(*mDipoleModel) == typeid(DipoleModel_bNonSat))
mDipoleModel = new DipoleModel_bNonSat;
else
mDipoleModel = new DipoleModel_bCGC;
if (typeid(*mDipoleModelForSkewednessCorrection) == typeid(DipoleModel_bNonSat))
mDipoleModel = new DipoleModel_bNonSat;
mIntegralImT = integrals.mIntegralImT;
mIntegralImL = integrals.mIntegralImL;
mIntegralReT = integrals.mIntegralReT;
mIntegralReL = integrals.mIntegralReL;
mIntegralImT = integrals.mIntegralImT;
mIntegralImL = integrals.mIntegralImL;
mIntegralReT = integrals.mIntegralReT;
mIntegralReL = integrals.mIntegralReL;
mErrorImT = integrals.mErrorImT;
mErrorImL = integrals.mErrorImL;
mErrorReT = integrals.mErrorReT;
mErrorReL = integrals.mErrorReL;
mProbImT = integrals.mProbImT;
mProbImL = integrals.mProbImL;
mProbReT = integrals.mProbReT;
mProbReL = integrals.mProbReL;
mMV = integrals.mMV;
mIsInitialized = integrals.mIsInitialized;
mRelativePrecisionOfIntegration = integrals.mRelativePrecisionOfIntegration;
}
return *this;
}
Integrals::~Integrals()
{
delete mWaveOverlap;
delete mDipoleModel;
if(mDipoleModelForSkewednessCorrection)
delete mDipoleModelForSkewednessCorrection;
}
void Integrals::operator() (double t, double Q2, double W2)
{
unsigned int A=dipoleModel()->nucleus()->A();
//make sure the configurations have been generated:
if (!mDipoleModel->configurationExists() and A!=1) {
// do not use cout
cout << "Integrals::init(): Error, configuration has not been generated. Stopping." << endl;
exit(1);
}
if (setKinematicPoint(t, Q2, W2)) {
if(A==1){
calculateEp();
if(mCalculateSkewedness){
calculateSkewedness();
}
}
else
calculate();
}
else {
fillZeroes();
}
}
void Integrals::operator() (double t, double xpom) //UPC
{
unsigned int A=dipoleModel()->nucleus()->A();
//make sure the configurations have been generated:
if (!mDipoleModel->configurationExists() and A!=1) {
// do not use cout
cout << "Integrals::init(): Error, configuration has not been generated. Stopping." << endl;
exit(1);
}
if (setKinematicPoint(t, xpom)) {
if(A==1){
calculateEp();
if(mCalculateSkewedness){
calculateSkewedness();
}
}
else
calculate();
}
else {
fillZeroes();
}
}
void Integrals::fillZeroes(){
//Store the results
mIntegralImT=0;
mIntegralReT=0;
mIntegralImL=0;
mIntegralReL=0;
//Store the errors:
mErrorImT=0;
mErrorImL=0;
mErrorReT=0;
mErrorReL=0;
//Store the probabilities:
mProbImT=0;
mProbImL=0;
mProbReT=0;
mProbReL=0;
}
//*********EXCLUSIVE VECTOR MESONS OR DVCS: ********************************
void IntegralsExclusive::coherentIntegrals(double t, double Q2, double W2)
{
if(setKinematicPoint(t, Q2, W2)){
if (typeid(*mDipoleModel) == typeid(DipoleModel_bSat)){
//store present kinematic point:
double xprobe=kinematicPoint[3];
dipoleModel()->createSigma_ep_LookupTable(xprobe);
}
calculateCoherent();
}
else
fillZeroes();
}
void IntegralsExclusive::coherentIntegrals(double t, double xpom)
{
if(setKinematicPoint(t, xpom)){
if (typeid(*mDipoleModel) == typeid(DipoleModel_bSat)){
dipoleModel()->createSigma_ep_LookupTable(xpom);
}
calculateCoherent();
}
else
fillZeroes();
}
IntegralsExclusive::IntegralsExclusive()
{
}
IntegralsExclusive& IntegralsExclusive::operator=(const IntegralsExclusive& cobj)
{
if (this != &cobj) {
Integrals::operator=(cobj);
copy(cobj.kinematicPoint, cobj.kinematicPoint+4, kinematicPoint);
}
return *this;
}
IntegralsExclusive::IntegralsExclusive(const IntegralsExclusive& cobj) : Integrals(cobj)
{
copy(cobj.kinematicPoint, cobj.kinematicPoint+4, kinematicPoint);
}
bool IntegralsExclusive::setKinematicPoint(double t, double xpom) //UPC
{
bool result = true;
kinematicPoint[0]=t;
kinematicPoint[1]=0; //Q2
kinematicPoint[2]=0; //W2 is not used
kinematicPoint[3]=xpom;
return result;
}
bool IntegralsExclusive::setKinematicPoint(double t, double Q2, double W2)
{
bool result = true;
kinematicPoint[0]=t;
kinematicPoint[1]=Q2;
kinematicPoint[2]=W2;
double xprobe=Kinematics::xpomeron(t, Q2, W2, mMV);
if (xprobe<0 || xprobe>1)
result = false;
kinematicPoint[3]=xprobe;
return result;
}
void IntegralsExclusive::calculate()
{
//
// This function calls a wrapper from where the
// integral is calculated with the Cuhre method.
// Pass this Integrals object as the fourth (void*) argument of the Cuhre function.
//
const double epsrel=1.e-3, epsabs=1e-12;
- const int flags=0, mineval=1e4, maxeval=1e8, key=0;
+ const int flags=0, mineval=3e6, maxeval=1e9, key=0;
int nregionsTIm, nevalTIm, failTIm;
int nregionsTRe, nevalTRe, failTRe;
int nregionsLIm, nevalLIm, failLIm;
int nregionsLRe, nevalLRe, failLRe;
double valTIm=0, errTIm=0, probTIm=0;
double valLIm=0, errLIm=0, probLIm=0;
double valTRe=0, errTRe=0, probTRe=0;
double valLRe=0, errLRe=0, probLRe=0;
const char* statefile=0;
const int nvec=1;
// double probabilityCutOff=1e-6;
//
// Do the integrations
//
Cuhre(4, 1, integrandWrapperTIm, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsTIm, &nevalTIm, &failTIm, &valTIm, &errTIm, &probTIm);
if(failTIm!=0 and mVerbose)
printf("IntegralsExclusive::calculate(): Warning: Integration TIm did not reach desired precision! Error code=%d \n", failTIm);
//
// For UPC, calculate only transverse polarisation case
//
if(!mIsUPC){
Cuhre(4, 1, integrandWrapperLIm, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsLIm, &nevalLIm, &failLIm, &valLIm, &errLIm, &probLIm);
if(failLIm!=0 and mVerbose)
printf("IntegralsExclusive::calculate(): Warning: Integration LIm did not reach desired precision! Error code=%d \n", failLIm);
}
Cuhre(4, 1, integrandWrapperTRe, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsTRe, &nevalTRe, &failTRe, &valTRe, &errTRe, &probTRe);
if(failTRe!=0 and mVerbose)
printf("IntegralsExclusive::calculate(): Warning: Integration TRe did not reach desired precision! Error code=%d \n", failTRe);
//
// For UPC, calculate only transverse polarisation case
//
if(!mIsUPC){
Cuhre(4, 1, integrandWrapperLRe, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsLRe, &nevalLRe, &failLRe, &valLRe, &errLRe, &probLRe);
if(failLRe!=0 and mVerbose)
printf("IntegralsExclusive::calculate(): Warning: Integration LRe did not reach desired precision! Error code=%d \n", failLRe);
}
//
// Store the results:
//
mIntegralImT=valTIm;
mIntegralReT=valTRe;
mIntegralImL=valLIm;
mIntegralReL=valLRe;
//
// Store the errors:
//
mErrorImT=errTIm;
mErrorImL=errLIm;
mErrorReT=errTRe;
mErrorReL=errLRe;
//
// Store the probabilities:
//
mProbImT=probTIm;
mProbImL=probLIm;
mProbReT=probTRe;
mProbReL=probLRe;
}
void IntegralsExclusive::calculateEp()
{
//
// This function calls a wrapper from where the
// integral is calculated with the Cuhre method.
// Pass this Integrals object as the fourth (void*) argument of the Cuhre function.
//
const double epsrel=1.e-4, epsabs=1e-12;
const int flags=0, maxeval=1e9, key=0;
const int mineval=3e6;
int nregionsT, nevalT, failT;
int nregionsL, nevalL, failL;
double valT=0, errT=0, probT=0;
double valL=0, errL=0, probL=0;
const char* statefile=0;
const int nvec=1;
//
// Do the integrations
//
/*
bool bContinue=true;
bool isFirst=true;
while(bContinue){
double valTOld=valT;
Cuhre(4, 1, integrandWrapperTep, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsT, &nevalT, &failT, &valT, &errT, &probT);
if(abs(valT-valTOld)/valT > epsrel){
mineval*=3;
if(isFirst)
mineval*=30;
isFirst=false;
if(mineval>1e4)
PR(mineval);
}
else
bContinue=false;
}
*/
Cuhre(4, 1, integrandWrapperTep, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsT, &nevalT, &failT, &valT, &errT, &probT);
if(failT!=0 and mVerbose)
printf("IntegralsExclusive::calculateEp(): Warning: Integration T did not reach desired precision! Error code=%d \n", failT);
/*
if(errT/valT > epsrel)
PR(errT/valT);
if(errT < epsabs)
PR(errT);
if(probT>0.5)
PR(probT);
PR(nevalT);
PR(nregionsT);
*/
//
// For UPC, calculate only transverse polarisation case
//
if(!mIsUPC){
Cuhre(4, 1, integrandWrapperLep, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsL, &nevalL, &failL, &valL, &errL, &probL);
if(failL!=0 and mVerbose)
printf("IntegralsExclusive::calculateEp(): Warning: Integration L did not reach desired precision! Error code=%d \n", failL);
}
//
// Store the results:
//
mIntegralImT=valT;
mIntegralImL=valL;
//
// Store the errors:
//
mErrorImT=errT;
mErrorImL=errL;
//
// Store the probabilities:
//
mProbImT=probT;
mProbImL=probL;
}
void IntegralsExclusive::calculateSkewedness()
{
//
// This function calls a wrapper from where the
// integral is calculated with the Cuhre method.
// Pass this Integrals object as the fourth (void*) argument of the Cuhre function.
//
const double epsrel=1.e-4, epsabs=1e-12;
const int flags=0, maxeval=1e9, key=0;
const int mineval=3e6;
int nregionsT, nevalT, failT;
int nregionsL, nevalL, failL;
double valT=0, errT=0, probT=0;
double valL=0, errL=0, probL=0;
const char* statefile=0;
const int nvec=1;
//
// Do the integrations
//
/*
bool bContinue=true;
bool isFirst=true;
while(bContinue){
double valTOld=valT;
Cuhre(4, 1, integrandWrapperTForSkewedness, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsT, &nevalT, &failT, &valT, &errT, &probT);
if(abs(valT-valTOld)/valT > epsrel){
mineval*=3;
if(isFirst)
mineval*=30;
isFirst=false;
if(mineval>1e4)
PR(mineval);
}
else
bContinue=false;
}
*/
Cuhre(4, 1, integrandWrapperTForSkewedness, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsT, &nevalT, &failT, &valT, &errT, &probT);
if(failT!=0 and mVerbose)
printf("IntegralsExclusive::calculateSkweedness(): Warning: Integration T did not reach desired precision! Error code=%d \n", failT);
//
// For UPC, calculate only transverse polarisation case
//
if(!mIsUPC){
Cuhre(4, 1, integrandWrapperLForSkewedness, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsL, &nevalL, &failL, &valL, &errL, &probL);
if(failL!=0 and mVerbose)
printf("IntegralsExclusive::calculateSkweedness(): Warning: Integration L did not reach desired precision! Error code=%d \n", failL);
}
//
// Store the results:
//
mIntegralTForSkewedness=valT;
mIntegralLForSkewedness=valL;
//
// Store the errors:
//
mErrorTForSkewedness=errT;
mErrorLForSkewedness=errL;
//
// Store the probabilities:
//
mProbImTForSkewedness=probT;
mProbImLForSkewedness=probL;
}
void IntegralsExclusive::calculateCoherent()
{
//
// As calculate() but for the coherent case
//
const double epsrel=1e-6, epsabs=1e-12;
- const int flags=0, mineval=1e1, maxeval=1e8, key=0;
+ const int flags=0, mineval=1e1, maxeval=1e9, key=0;
int nregionsT, nevalT, failT;
int nregionsL, nevalL, failL;
double valT, errT, probT;
double valL, errL, probL;
const int nvec=1;
const char* statefile=0;
//
// Do the integrations
//
Cuhre(3, 1, integrandWrapperCoherentAmplitudeT, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsT, &nevalT, &failT, &valT, &errT, &probT);
if(failT!=0 and mVerbose)
printf("IntegralsExclusive::calculateCoherent(): Warning: Integration T did not reach desired precision! Error code=%d \n", failT);
Cuhre(3, 1, integrandWrapperCoherentAmplitudeL, this, nvec,
epsrel, epsabs, flags,
mineval, maxeval, key, statefile, 0, &nregionsL, &nevalL, &failL, &valL, &errL, &probL);
if(failL!=0 and mVerbose)
printf("IntegralsExclusive::calculateCoherent(): Warning: Integration L did not reach desired precision! Error code=%d \n", failL);
//
// Store the results
//
mIntegralImT=valT;
mIntegralImL=valL;
//
// Store the errors
//
mErrorImT=errT;
mErrorImL=errL;
}
//
// The following functions are the Integrands in the Amplitudes:
//
double IntegralsExclusive::uiAmplitudeTIm(double b, double z, double r, double phi, double Q2, double xprobe, double Delta)
{
double cosArg = (b/hbarc)*Delta*cos(phi);
double waveOverlap = mWaveOverlap->T(z, Q2, r);
double dsigdb2 = dipoleModel()->dsigmadb2(r , b , phi, xprobe);
double BesselJ0 = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*
BesselJ0*b*cos(cosArg)*dsigdb2;
return result;
}
double IntegralsExclusive::uiAmplitudeTRe(double b, double z, double r, double phi, double Q2, double xprobe, double Delta)
{
double sinArg = b*Delta*cos(phi)/hbarc;
double waveOverlap = mWaveOverlap->T(z, Q2, r);
double dsigdb2 = dipoleModel()->dsigmadb2(r, b, phi, xprobe);
double BesselJ0 = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*
BesselJ0*b*sin(sinArg)*dsigdb2;
return result;
}
double IntegralsExclusive::uiAmplitudeLIm(double b, double z, double r, double phi, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->L(z, Q2, r);
double cosArg = b*Delta*cos(phi)/hbarc;
double dsigdb2 = dipoleModel()->dsigmadb2(r, b, phi, xprobe);
double BesselJ0 = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*
BesselJ0*b*cos(cosArg)*dsigdb2;
return result;
}
double IntegralsExclusive::uiAmplitudeLRe(double b, double z, double r, double phi, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->L(z, Q2, r);
double sinArg = b*Delta*cos(phi)/hbarc;
double dsigdb2 = dipoleModel()->dsigmadb2(r, b, phi, xprobe);
double BesselJ0 = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*
BesselJ0*b*sin(sinArg)*dsigdb2;
return result;
}
double IntegralsExclusive::uiCoherentAmplitudeT(double b, double z, double r, double Q2, double Delta)
{
double waveOverlap = mWaveOverlap->T(z, Q2, r);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double xprobe=kinematicPoint[3];
double dsigmadb2Mean=dipoleModel()->coherentDsigmadb2(r, b, xprobe);
double result = M_PI*r*b/hbarc2*waveOverlap*BesselJ0r*BesselJ0b*dsigmadb2Mean;
return result;
}
double IntegralsExclusive::uiCoherentAmplitudeL(double b, double z, double r, double Q2, double Delta)
{
double waveOverlap = mWaveOverlap->L(z, Q2, r);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double xprobe=kinematicPoint[3];
double dsigmadb2Mean=dipoleModel()->coherentDsigmadb2(r, b, xprobe);
double result = M_PI*r*b/hbarc2*waveOverlap*BesselJ0r*BesselJ0b*dsigmadb2Mean;
return result;
}
double IntegralsExclusive::uiAmplitudeTep(double b, double z, double r, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->T(z, Q2, r);
double dsigdb2 = dipoleModel()->dsigmadb2ep(r , b, xprobe);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*BesselJ0r*b*BesselJ0b*dsigdb2;
result*=2*M_PI;
return result;
}
double IntegralsExclusive::uiAmplitudeLep(double b, double z, double r, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->L(z, Q2, r);
double dsigdb2 = dipoleModel()->dsigmadb2ep(r , b, xprobe);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*BesselJ0r*b*BesselJ0b*dsigdb2;
result*=2*M_PI;
return result;
}
//
// Only for calculating the lamdba for Skewedness Corrections:
//
double IntegralsExclusive::uiAmplitudeTForSkewedness(double b, double z, double r, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->T(z, Q2, r);
double dsigdb2 = dipoleModelForSkewednessCorrection()->dsigmadb2ep(r , b, xprobe);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*BesselJ0r*b*BesselJ0b*dsigdb2;
result*=2*M_PI;
return result;
}
double IntegralsExclusive::uiAmplitudeLForSkewedness(double b, double z, double r, double Q2, double xprobe, double Delta)
{
double waveOverlap = mWaveOverlap->L(z, Q2, r);
double dsigdb2 = dipoleModelForSkewednessCorrection()->dsigmadb2ep(r, b, xprobe);
double BesselJ0r = TMath::BesselJ0((1-z)*r*Delta/hbarc);
double BesselJ0b = TMath::BesselJ0(b*Delta/hbarc);
double result=0.5*r/hbarc2*waveOverlap*BesselJ0r*b*BesselJ0b*dsigdb2;
result*=2*M_PI;
return result;
}

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