PndRichResolution Class Reference

#include <PndRichResolution.h>

Public Member Functions
	PndRichResolution ()
	~PndRichResolution ()
Double_t	Sigma (dbpoint pnt)
Double_t	Shift (dbpoint pnt)
Double_t	Efficiency (dbpoint pnt)

Private Attributes
PndRichCalDb *	caldb

Detailed Description

Definition at line 8 of file PndRichResolution.h.

Constructor & Destructor Documentation

PndRichResolution::PndRichResolution

(

)

Definition at line 10 of file PndRichResolution.cxx.

References caldb, PndRichCalDb::Init(), and PndRichCalDb::Print().

{
   caldb = new PndRichCalDb("rich_caldb_v313","R");
   caldb->Init();
   caldb->Print();
}

PndRichResolution::~PndRichResolution

(

)

Definition at line 5 of file PndRichResolution.cxx.

{
}

Member Function Documentation

Double_t PndRichResolution::Efficiency

(

dbpoint

pnt

)

Definition at line 41 of file PndRichResolution.cxx.

References caldb, and PndRichCalDb::GetBetaEff().

Referenced by PndRichHitProducer::Exec().

{
   return caldb->GetBetaEff(pnt);
}

Double_t PndRichResolution::Shift

(

dbpoint

pnt

)

Definition at line 35 of file PndRichResolution.cxx.

References caldb, and PndRichCalDb::GetBetaMean().

Referenced by PndRichRecoTask::Exec().

{
   return caldb->GetBetaMean(pnt);
}

Double_t PndRichResolution::Sigma

(

dbpoint

pnt

)

Definition at line 18 of file PndRichResolution.cxx.

References dbpoint::beta, caldb, Double_t, PndRichCalDb::GetBetaSig(), dbpoint::mass, and sqrt().

Referenced by PndRichRecoTask::Exec(), and PndRichHitProducer::Exec().

{
   Double_t sigmu = caldb->GetBetaSig(pnt);
   // temporary: multi scattering correction
   Double_t k = 0.41e-3;//0.462e-3;
   Double_t beta2 = pnt.beta*pnt.beta;
   k *= sqrt(1-beta2)/beta2;
   Double_t sigMultScattM  = k/pnt.mass;
   Double_t sigMultScattMu = k/0.1056583715;
   Double_t sigmar = sigmu*sigmu -
      sigMultScattMu*sigMultScattMu +
      sigMultScattM*sigMultScattM;
   sigmu = sigmar>0 ? sqrt(sigmar) : sigmu;
   return sigmu;
}

Member Data Documentation

PndRichCalDb* PndRichResolution::caldb

private

Definition at line 13 of file PndRichResolution.h.

Referenced by Efficiency(), PndRichResolution(), Shift(), and Sigma().

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

• PndRichResolution.h
• PndRichResolution.cxx