message: Fix custom PID
diff: @@ -733,10 +733,9 @@ float AliAnalysisTaskNucleiYield::GetTPCsigmas(AliVTrack* t) {
  if (fCustomTPCpid.GetSize() < 6 || fIsMC) {
  return fPID->NumberOfSigmasTPC(t, fParticle);
  } else {
  - const float p = t->GetTPCmomentum() / fPDGMassOverZ;
  - const float r = fCharge * fCharge * AliExternalTrackParam::BetheBlochAleph(p, fCustomTPCpid[0], fCustomTPCpid[1],
  - fCustomTPCpid[2], fCustomTPCpid[3],
  - fCustomTPCpid[4]);
  + const float p = t->GetTPCmomentum() / fPDGMass;
  + const float r = AliExternalTrackParam::BetheBlochAleph(p, fCustomTPCpid[0], fCustomTPCpid[1],
  + fCustomTPCpid[2], fCustomTPCpid[3], fCustomTPCpid[4]);
  return (t->GetTPCsignal() - r) / (fCustomTPCpid[5] * r);
  }
  