CalDetCerenkovId.cxx

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//$Id: CalDetCerenkovId.cxx,v 1.2 2001/11/09 21:54:02 rhatcher Exp $
//
//CalDetCerenkovId.cxx
//
//CalDetCerenkovId is a class to id particles in the CalDet using time of
//flight information 
//
//Author:  B. Rebel 7/2001

#include "CalDetPIDSR/CalDetCerenkovId.h"
#include "MessageService/MsgService.h"
#include "RawData/RawTOFDigit.h"
#include "TMath.h"
#include "Conventions/Munits.h"

ClassImp(CalDetCerenkovId)

//______________________________________________________________________
//CVSID("$Id: CalDetCerenkovId.cxx,v 1.2 2001/11/09 21:54:02 rhatcher Exp $");

//----------------------------------------------------------------------
CalDetCerenkovId::CalDetCerenkovId()
{
}

//----------------------------------------------------------------------
//  CalDetCerenkovId::CalDetCerenkovId(RawCerenkovDigit rcd) :
//    fRawCerenkovDigit(rcd),
//    fNpe(0.)
//  {
//    //insert code that takes the raw cerenkov digit and gets the 
//    //npe values here.  

//    //fNpe = fRawCerenkovDigit.GetNpe();
//  }

//----------------------------------------------------------------------
CalDetCerenkovId::~CalDetCerenkovId()
{
  //destructor
}

//----------------------------------------------------------------------
Double_t CalDetCerenkovId::GetParticleMassSquared(Double_t beta, Double_t momentum) const
{
  Double_t massSquared = -1.;

  Double_t energy = momentum / beta;
  massSquared = (energy*energy) - (momentum*momentum);
 
  return massSquared;

}

//----------------------------------------------------------------------
Double_t CalDetCerenkovId::GetNpe() const
{
  return fNpe;
}

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