genie::rew::GReWeightNuXSecNC Class Reference

Tweak NC level in a gross way (scale by a given factor). More detailed rew. functions also exist for specific NC sources. RES NC cross section rew. is also handled by GReWeightNuXSecNCRES. DIS NC cross section rew. is also handled by GReWeightNuXSecDIS. More...

#include <GReWeightNuXSecNC.h>

Inheritance diagram for genie::rew::GReWeightNuXSecNC:

Public Member Functions
	GReWeightNuXSecNC ()
	~GReWeightNuXSecNC ()
bool	IsHandled (GSyst_t syst)
	does the current weight calculator handle the input nuisance param? More...
void	SetSystematic (GSyst_t syst, double val)
	update the value for the specified nuisance param More...
void	Reset (void)
	set all nuisance parameters to default values More...
void	Reconfigure (void)
	propagate updated nuisance parameter values to actual MC, etc More...
double	CalcWeight (const EventRecord &event)
	calculate a weight for the input event using the current nuisance param values More...
void	RewNue (bool tf)
void	RewNuebar (bool tf)
void	RewNumu (bool tf)
void	RewNumubar (bool tf)
void	RewQE (bool tf)
void	RewRES (bool tf)
void	RewDIS (bool tf)
Public Member Functions inherited from genie::rew::GReWeightI
virtual	~GReWeightI ()

Private Member Functions
void	Init (void)

Private Attributes
bool	fRewNue
	reweight nu_e? More...
bool	fRewNuebar
	reweight nu_e_bar? More...
bool	fRewNumu
	reweight nu_mu? More...
bool	fRewNumubar
	reweight nu_mu_bar? More...
bool	fRewQE
	reweight NC elastic? More...
bool	fRewRES
	reweight NC RES? More...
bool	fRewDIS
	reweight NC DIS? More...
double	fNCTwkDial
	tweaking dial More...

Additional Inherited Members
Protected Member Functions inherited from genie::rew::GReWeightI
	GReWeightI ()

Detailed Description

Tweak NC level in a gross way (scale by a given factor). More detailed rew. functions also exist for specific NC sources. RES NC cross section rew. is also handled by GReWeightNuXSecNCRES. DIS NC cross section rew. is also handled by GReWeightNuXSecDIS.

Author

Costas Andreopoulos <costas.andreopoulos stfc.ac.uk> University of Liverpool & STFC Rutherford Appleton Lab

Jim Dobson <J.Dobson07 imperial.ac.uk> Imperial College London

May 25, 2010

Copyright (c) 2003-2017, GENIE Neutrino MC Generator Collaboration For the full text of the license visit http://copyright.genie-mc.org or see $GENIE/LICENSE

Definition at line 33 of file GReWeightNuXSecNC.h.

Constructor & Destructor Documentation

GReWeightNuXSecNC::GReWeightNuXSecNC

(

)

Definition at line 39 of file GReWeightNuXSecNC.cxx.

{
  this->Init();
}

GReWeightNuXSecNC::~GReWeightNuXSecNC

(

)

Definition at line 44 of file GReWeightNuXSecNC.cxx.

{

}

Member Function Documentation

double GReWeightNuXSecNC::CalcWeight ( const EventRecord &  event )

virtual

calculate a weight for the input event using the current nuisance param values

Implements genie::rew::GReWeightI.

Definition at line 86 of file GReWeightNuXSecNC.cxx.

{
  bool tweaked = (TMath::Abs(fNCTwkDial) > controls::kASmallNum);
  if(!tweaked) return 1.;

  Interaction * interaction = event.Summary();
  bool is_nc  = interaction->ProcInfo().IsWeakNC();
  if(!is_nc) return 1.;

  bool is_qel = event.Summary()->ProcInfo().IsQuasiElastic();
  if(is_qel && !fRewQE) return 1.;

  bool is_res = event.Summary()->ProcInfo().IsResonant();
  if(is_res && !fRewRES) return 1.;

  bool is_dis = event.Summary()->ProcInfo().IsDeepInelastic();
  if(is_dis && !fRewDIS) return 1.;

  int nupdg = interaction->InitState().ProbePdg();
  if(nupdg==kPdgNuMu     && !fRewNumu   ) return 1.;
  if(nupdg==kPdgAntiNuMu && !fRewNumubar) return 1.;
  if(nupdg==kPdgNuE      && !fRewNue    ) return 1.;
  if(nupdg==kPdgAntiNuE  && !fRewNuebar ) return 1.;

  return fNCTwkDial;
}

void GReWeightNuXSecNC::Init ( void  )

private

Definition at line 113 of file GReWeightNuXSecNC.cxx.

{
  fNCTwkDial = 0.;

  this->RewNue       (true);
  this->RewNuebar    (true);
  this->RewNumu      (true);
  this->RewNumubar   (true);

  this->RewQE  (true );
  this->RewRES (false); // assume GReWeightNuXSecNCRES is going to be your 1st choice
  this->RewDIS (false); // assume GReWeightNuXSecDIS   is going to be your 1st choice

}

bool GReWeightNuXSecNC::IsHandled ( GSyst_t  syst )

virtual

does the current weight calculator handle the input nuisance param?

Implements genie::rew::GReWeightI.

Definition at line 49 of file GReWeightNuXSecNC.cxx.

{
   switch(syst) {
     case ( kXSecTwkDial_NC ) : 
       return true;
       break;
     default:
       return false;
       break;
   }
   return false;
}

void GReWeightNuXSecNC::Reconfigure ( void  )

virtual

propagate updated nuisance parameter values to actual MC, etc

Implements genie::rew::GReWeightI.

Definition at line 81 of file GReWeightNuXSecNC.cxx.

{
  fNCTwkDial = TMath::Max(0., fNCTwkDial);
}

void GReWeightNuXSecNC::Reset ( void  )

virtual

set all nuisance parameters to default values

Implements genie::rew::GReWeightI.

Definition at line 76 of file GReWeightNuXSecNC.cxx.

{
  fNCTwkDial = 0.;
}

void genie::rew::GReWeightNuXSecNC::RewDIS ( bool  tf )

inline

Definition at line 53 of file GReWeightNuXSecNC.h.

{ fRewDIS     = tf; }

void genie::rew::GReWeightNuXSecNC::RewNue ( bool  tf )

inline

Definition at line 47 of file GReWeightNuXSecNC.h.

{ fRewNue     = tf; }

void genie::rew::GReWeightNuXSecNC::RewNuebar ( bool  tf )

inline

Definition at line 48 of file GReWeightNuXSecNC.h.

{ fRewNuebar  = tf; }

void genie::rew::GReWeightNuXSecNC::RewNumu ( bool  tf )

inline

Definition at line 49 of file GReWeightNuXSecNC.h.

{ fRewNumu    = tf; }

void genie::rew::GReWeightNuXSecNC::RewNumubar ( bool  tf )

inline

Definition at line 50 of file GReWeightNuXSecNC.h.

{ fRewNumubar = tf; }

void genie::rew::GReWeightNuXSecNC::RewQE ( bool  tf )

inline

Definition at line 51 of file GReWeightNuXSecNC.h.

{ fRewQE      = tf; }

void genie::rew::GReWeightNuXSecNC::RewRES ( bool  tf )

inline

Definition at line 52 of file GReWeightNuXSecNC.h.

{ fRewRES     = tf; }

void GReWeightNuXSecNC::SetSystematic ( GSyst_t  syst, double  val  )

virtual

update the value for the specified nuisance param

Implements genie::rew::GReWeightI.

Definition at line 62 of file GReWeightNuXSecNC.cxx.

{
  if(!this->IsHandled(syst)) return;

   switch(syst) {
     case ( kXSecTwkDial_NC ) : 
       fNCTwkDial = twk_dial;
       break;
     default:
       return;
       break;
   }
}

Member Data Documentation

double genie::rew::GReWeightNuXSecNC::fNCTwkDial

private

tweaking dial

Definition at line 66 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewDIS

private

reweight NC DIS?

Definition at line 65 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewNue

private

reweight nu_e?

Definition at line 59 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewNuebar

private

reweight nu_e_bar?

Definition at line 60 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewNumu

private

reweight nu_mu?

Definition at line 61 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewNumubar

private

reweight nu_mu_bar?

Definition at line 62 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewQE

private

reweight NC elastic?

Definition at line 63 of file GReWeightNuXSecNC.h.

bool genie::rew::GReWeightNuXSecNC::fRewRES

private

reweight NC RES?

Definition at line 64 of file GReWeightNuXSecNC.h.

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

• GENIE/src/ReWeight/GReWeightNuXSecNC.h
• GENIE/src/ReWeight/GReWeightNuXSecNC.cxx