DVCS/cross_section/DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated.h

0001 #ifndef DVCSCROSSSECTIONUUVIRTUALPHOTOPRODUCTIONPHIINTEGRATED_H
0002 #define DVCSCROSSSECTIONUUVIRTUALPHOTOPRODUCTIONPHIINTEGRATED_H
0003
0004 /**
0005  * @file DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated.h
0006  * @author Luca COLANERI (IPNO)
0007  * @date April 24, 2017
0008  * @version 1.0
0009  */
0010
0011 #include <ElementaryUtils/parameters/Parameters.h>
0012 #include <string>
0013 #include <vector>
0014
0015 #include "../../../../beans/gpd/GPDType.h"
0016 #include "../../../../beans/List.h"
0017 #include "../../../../utils/type/PhysicalType.h"
0018 #include "../../../MathIntegratorModule.h"
0019 #include "DVCSCrossSectionUUVirtualPhotoProduction.h"
0020
0021 namespace PARTONS {
0022
0023 /**
0024  * @class DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated
0025  * @brief Unpolarized cross-section for virtual photo-production integrated over \f$\phi\f$.
0026  *
0027  * Unit: \f$\mathrm{nbarn}/\mathrm{GeV}^4\f$.
0028  */
0029 class DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated: public DVCSCrossSectionUUVirtualPhotoProduction,
0030         public MathIntegratorModule {
0031
0032 public:
0033
0034     /**
0035      * Unique ID to automatically register the class in the registry.
0036      */
0037     static const unsigned int classId;
0038
0039     /**
0040      * Constructor.
0041      * @param className Name of class.
0042      */
0043     DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated(
0044             const std::string &className);
0045
0046     /**
0047      * Destructor.
0048      */
0049     virtual ~DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated();
0050
0051     virtual DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated* clone() const;
0052     virtual void configure(const ElemUtils::Parameters &parameters);
0053
0054 protected:
0055
0056     /**
0057      * Copy constructor.
0058      * @param other Object to be copied.
0059      */
0060     DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated(
0061             const DVCSCrossSectionUUVirtualPhotoProductionPhiIntegrated &other);
0062
0063     virtual PhysicalType<double> computeObservable(
0064             const DVCSObservableKinematic& kinematic,
0065             const List<GPDType>& gpdType);
0066
0067     /**
0068      * Functor to perform the integration.
0069      */
0070     NumA::FunctionType1D* m_pFunctionToIntegrateObservable;
0071
0072     /**
0073      * Function to be integrated.
0074      */
0075     virtual double functionToIntegrateObservable(double x,
0076             std::vector<double> params);
0077
0078     /**
0079      * Initialize functors.
0080      */
0081     void initFunctorsForIntegrations();
0082 };
0083
0084 } /* namespace PARTONS */
0085
0086 #endif /* DVCSCROSSSECTIONUUVIRTUALPHOTOPRODUCTIONPHIINTEGRATED_H */