CbmAnaConversionCutSettings.h

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/* Copyright (C) 2015-2016 Fakultaet fuer Mathematik und Naturwissenschaften, Bergische Universitaet Wuppertal, Wuppertal
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Sascha Reinecke [committer], Florian Uhlig */
 
#ifndef CBM_ANA_CONVERSION_CUT_SETTINGS
#define CBM_ANA_CONVERSION_CUT_SETTINGS
 
#include "CbmMCTrack.h"
 
#include "TLorentzVector.h"
#include "TMath.h"
 
#define M2E 2.6112004954086e-7
 
class CbmAnaConversionCutSettings {
public:
  /*
         * Calculate cut for opening angle between electrons
         */
  static Double_t CalcOpeningAngleCut(Double_t pt)
  {
    Double_t cut = 0;
    //cut = 1.5 - 0.5 * pt;
    cut = 1.8 - 0.6 * pt;
    return cut;
  }
 
 
  static Double_t CalcOpeningAngleCutAlt1(Double_t pt)
  {
    Double_t cut = 0;
    cut          = 1.5 - 0.5 * pt;
    return cut;
  }
 
 
  static Double_t CalcOpeningAngleCutAlt2(Double_t /*pt*/)
  {
    Double_t cut = 0;
    cut          = 1.8;
    return cut;
  }
 
 
  static Double_t CalcOpeningAngleCutAlt3(Double_t /*pt*/)
  {
    Double_t cut = 0;
    cut          = 1.5;
    return cut;
  }
 
 
  static Double_t CalcOpeningAngleCutAlt4(Double_t pt)
  {
    Double_t cut = 0;
    if (pt <= 1) cut = 1.5 - 0.5 * pt;
    if (pt > 1) cut = 1.0;
    return cut;
  }
 
 
  static Double_t CalcOpeningAngleCutAlt5(Double_t pt)
  {
    Double_t cut = 0;
    if (pt <= 1) cut = 1.0 + 1.0 * pt;
    if (pt > 1) cut = 2.0;
    return cut;
  }
 
 
  /*
         * Calculate cut for chi for reconstructed momenta
         */
  static Double_t CalcChiCut(Double_t pt)
  {
    Double_t cut = 0;
    if (pt < 0.4) { cut = 31. - 70. * pt; }
    if (pt >= 0.4) { cut = 3; }
    return cut;
  }
 
 
  static Double_t CalcChiCutAlt1(Double_t /*pt*/)
  {
    Double_t cut = 0;
    cut          = 3;
    return cut;
  }
 
 
  static Double_t CalcChiCutAlt2(Double_t pt)
  {
    Double_t cut = 0;
    if (pt < 0.4) { cut = 15. - 30. * pt; }
    if (pt >= 0.4) { cut = 3; }
    return cut;
  }
 
 
  static Double_t CalcChiCutAlt3(Double_t /*pt*/)
  {
    Double_t cut = 0;
    cut          = 4;
    return cut;
  }
};
 
#endif