genie::NuclearData Class Reference

#include <NuclearData.h>

Collaboration diagram for genie::NuclearData:

Classes
struct	Cleaner

Public Member Functions
double	DeuteriumSuppressionFactor (double Q2)

Static Public Member Functions
static NuclearData *	Instance (void)

Private Member Functions
	NuclearData ()
	NuclearData (const NuclearData &nd)
	~NuclearData ()
void	Load (void)

Private Attributes
Spline *	fNuclSupprD2

Static Private Attributes
static NuclearData *	fInstance = 0

Friends
struct	Cleaner

Detailed Description

Author

Costas Andreopoulos <c.andreopoulos \at cern.ch> University of Liverpool

Created:\n Nov 20, 2009

License:\n Copyright (c) 2003-2025, The GENIE Collaboration

For the full text of the license visit http://copyright.genie-mc.org

Definition at line 26 of file NuclearData.h.

Constructor & Destructor Documentation

NuclearData() [1/2]

NuclearData::NuclearData ( )

private

Definition at line 39 of file NuclearData.cxx.

{
  this->Load();
  fInstance = 0;
}

References fInstance, and Load().

Referenced by Instance(), and NuclearData().

NuclearData() [2/2]

genie::NuclearData::NuclearData ( const NuclearData & nd )

private

References NuclearData().

~NuclearData()

NuclearData::~NuclearData ( )

private

Definition at line 45 of file NuclearData.cxx.

{
  if(!gAbortingInErr) {
    cout << "NuclearData singleton dtor: Deleting inputs... " << endl;
  }
 
  delete fNuclSupprD2;
}

References fNuclSupprD2, and genie::gAbortingInErr.

Member Function Documentation

DeuteriumSuppressionFactor()

double NuclearData::DeuteriumSuppressionFactor

(

double

Q2

)

Definition at line 65 of file NuclearData.cxx.

{
  if(Q2 > 0.20) return 1.; // no suppression
 
  if(Q2 < 3E-5) { Q2 = 3E-5; }
 
  double R = fNuclSupprD2->Evaluate(Q2);
  return R;
}

References fNuclSupprD2.

Referenced by genie::utils::nuclear::NuclQELXSecSuppression().

Instance()

NuclearData * NuclearData::Instance ( void )

static

Definition at line 54 of file NuclearData.cxx.

{
  if(fInstance == 0) {
    LOG("NuclData", pINFO) << "NuclearData late initialization";
    static NuclearData::Cleaner cleaner;
    cleaner.DummyMethodAndSilentCompiler();
    fInstance = new NuclearData;
  }
  return fInstance;
}

References genie::NuclearData::Cleaner::DummyMethodAndSilentCompiler(), fInstance, LOG, NuclearData(), and pINFO.

Referenced by genie::utils::nuclear::NuclQELXSecSuppression().

Load()

void NuclearData::Load ( void )

private

Definition at line 75 of file NuclearData.cxx.

{
  fNuclSupprD2 = 0;
 
  string data_dir = 
     string(gSystem->Getenv("GENIE")) + 
     string("/data/evgen/nucl");
  LOG("NuclData", pINFO)  
     << "Loading nuclear data from: " << data_dir;
 
  // Load D2 nuclear suppression factor
 
  string nuclsupprd2_file = data_dir + "/D2sup.data";
  assert( ! gSystem->AccessPathName(nuclsupprd2_file.c_str()) );
 
  TTree nuclsupprd2_tree;
  nuclsupprd2_tree.ReadFile(nuclsupprd2_file.c_str(), "Q2/D:R/D");
 
  fNuclSupprD2 = new Spline(&nuclsupprd2_tree, "Q2:R");
 
  LOG("NuclData", pINFO)  << "Done loading all data";
}

References fNuclSupprD2, LOG, and pINFO.

Referenced by NuclearData().

Friends And Related Symbol Documentation

Cleaner

friend struct Cleaner

friend

Definition at line 55 of file NuclearData.h.

Member Data Documentation

fInstance

NuclearData * NuclearData::fInstance = 0

staticprivate

Definition at line 40 of file NuclearData.h.

Referenced by Instance(), NuclearData(), and genie::NuclearData::Cleaner::~Cleaner().

fNuclSupprD2

Spline* genie::NuclearData::fNuclSupprD2

private

Definition at line 43 of file NuclearData.h.

Referenced by DeuteriumSuppressionFactor(), Load(), and ~NuclearData().

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

• NuclearData.h
• NuclearData.cxx