New condtion for definition of bad anodes in SDD pedestal DA

[u/mrichter/AliRoot.git] / ITS / AliITSpidESD.cxx

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 * Author: The ALICE Off-line Project.                                    *
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/* $Id$ */

//-----------------------------------------------------------------
//           Implementation of the ITS PID class
// Very naive one... Should be made better by the detector experts...
//      Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
//-----------------------------------------------------------------

#include <TMath.h>

#include "AliITSpidESD.h"
#include "AliESDtrack.h"
#include "AliExternalTrackParam.h"

ClassImp(AliITSpidESD)


//______________________________________________________________________
AliITSpidESD::AliITSpidESD():TObject(){
  //Default constructor
 
}

Double_t AliITSpidESD::Bethe(Double_t p,Double_t mass) {
  // returns AliExternalTrackParam::BetheBloch normalized to 1 at the minimum
  Double_t density=2.33; // g/cm3
  Double_t thickness=0.03; // cm
  Double_t meanMIPSi=116.24; // keV in 300 microns of Si
  Double_t conv=density*1E6*thickness/meanMIPSi;
  Float_t betagamma=p/mass;
  return conv*AliExternalTrackParam::BetheBlochSolid(betagamma);

}