UserPhotonFlux Class Reference

Tool to implement Pythi8 main70 functionality. More...

#include <UserPhotonFlux.h>

Inheritance diagram for UserPhotonFlux:

Collaboration diagram for UserPhotonFlux:

Public Member Functions
virtual	~UserPhotonFlux ()
	Destructor.
StatusCode	initialize () override
	AlgTool initialize method.
StatusCode	finalize () override
	AlgTool finalize method.
StatusCode	ModifyPythiaEvent (Pythia8::Pythia &pythia) const override
	Update the pythia event Probably not used for this application.
virtual double	CrossSectionScaleFactor () const override
	Return how much the cross section is modified.
StatusCode	InitializePythiaInfo (Pythia8::Pythia &) const override

Private Attributes
Gaudi::Property< int >	m_process {this, "Process", 1}
Gaudi::Property< double >	m_flux_Z {this, "NuclearCharge", 82.}
Gaudi::Property< double >	m_flux_min_b {this, "MinimumB", 13.24}
Gaudi::Property< double >	m_flux_min_x {this, "MinimumX", -1}

Detailed Description

Tool to implement Pythi8 main70 functionality.

Definition at line 79 of file UserPhotonFlux.h.

Constructor & Destructor Documentation

~UserPhotonFlux()

virtual UserPhotonFlux::~UserPhotonFlux ( )

inlinevirtual

Destructor.

Definition at line 87 of file UserPhotonFlux.h.

{};

Member Function Documentation

CrossSectionScaleFactor()

double UserPhotonFlux::CrossSectionScaleFactor ( ) const

overridevirtual

Return how much the cross section is modified.

Probably not used for this application

Definition at line 47 of file UserPhotonFlux.cxx.

                                                       {
    ATH_MSG_INFO( "CrossSectionScaleFactor" << name());
    return 1.0;
  }

finalize()

StatusCode UserPhotonFlux::finalize ( )

override

AlgTool finalize method.

Definition at line 37 of file UserPhotonFlux.cxx.

                                     {
    ATH_MSG_INFO( "Finalize" << name());
    return StatusCode::SUCCESS;
  }

initialize()

StatusCode UserPhotonFlux::initialize ( )

override

AlgTool initialize method.

Definition at line 6 of file UserPhotonFlux.cxx.

                                        {
    ATH_MSG_INFO( "Initialisation of " << name() << " was successful" );
    return StatusCode::SUCCESS;
  }

InitializePythiaInfo()

StatusCode UserPhotonFlux::InitializePythiaInfo ( Pythia8::Pythia & pythia ) const

override

Definition at line 11 of file UserPhotonFlux.cxx.

                                                                             {
 
    ATH_MSG_INFO( "InitializePythiaInfo " << name() << " with process " << m_process);
    if (m_process == 1) {
      PDFPtr photonFlux = PNEW(Lepton2gamma2, -11);
      pythia.setPhotonFluxPtr(std::move(photonFlux), 0);
      return StatusCode::SUCCESS;
    }
    else if(m_process ==2 || m_process ==3) {    
      ATH_MSG_INFO( "InitializePythiaInfo " << name() << " using nuclear photon flux with Z = " << m_flux_Z << ", bmin = " << m_flux_min_b);
      Nucleus2gammaPtr photonFlux = PNEW(Nucleus2gamma2,-11);
      photonFlux->setZ(m_flux_Z);
      photonFlux->setMinB(m_flux_min_b);
      photonFlux->setMinX(m_flux_min_x);
      Nucleus2gammaPtr photonFlux2 = nullptr; PNEW(Nucleus2gamma2,-11);
      if(m_process==3) photonFlux2=photonFlux;
      pythia.setPhotonFluxPtr(photonFlux, photonFlux2);
      return StatusCode::SUCCESS;
    }
    else {
      ATH_MSG_ERROR("Unknown process: "<< m_process);
      return StatusCode::FAILURE;
    }
 
  }

ModifyPythiaEvent()

StatusCode UserPhotonFlux::ModifyPythiaEvent ( Pythia8::Pythia & pythia ) const

override

Update the pythia event Probably not used for this application.

Definition at line 43 of file UserPhotonFlux.cxx.

                                                                   {
    return StatusCode::SUCCESS;
  }

Member Data Documentation

m_flux_min_b

Gaudi::Property<double> UserPhotonFlux::m_flux_min_b {this, "MinimumB", 13.24}

private

Definition at line 109 of file UserPhotonFlux.h.

{this, "MinimumB", 13.24};

m_flux_min_x

Gaudi::Property<double> UserPhotonFlux::m_flux_min_x {this, "MinimumX", -1}

private

Definition at line 110 of file UserPhotonFlux.h.

{this, "MinimumX", -1};//default applies no cut since sampled x's always >0.

m_flux_Z

Gaudi::Property<double> UserPhotonFlux::m_flux_Z {this, "NuclearCharge", 82.}

private

Definition at line 108 of file UserPhotonFlux.h.

{this, "NuclearCharge", 82.};

m_process

Gaudi::Property<int> UserPhotonFlux::m_process {this, "Process", 1}

private

Definition at line 107 of file UserPhotonFlux.h.

{this, "Process", 1};

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

• UserPhotonFlux.h
• UserPhotonFlux.cxx