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pam-fi |
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/* |
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* TofBetaRigCut.h |
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* |
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* Created on: 22-apr-2009 |
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* Author: S. Ricciarini |
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*/ |
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/*! @file TofBetaRigCut.h The TofBetaRigCut class definition file */ |
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#ifndef TOFBETARIGCUT_H_ |
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#define TOFBETARIGCUT_H_ |
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#include "../../PamCutBase/PamCutBase.h" |
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#include <TH2F.h> |
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/*! @brief The match between TOF beta modulus and TRK beta modulus. |
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* This cut discards all the events for which the absolute RELATIVE difference between TRK beta modulus (calculated from rigidity of TRK track, mass M and charge Z) and TOF beta modulus is greater than the threshold. |
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* Rigidity is defined as p/Z (GV) where Z is the particle charge and p the momentum modulus. |
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* CUT DEPENDENCIES: TrkPhysSin for object trkTrack |
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*/ |
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class TofBetaRigCut: public PamCut { |
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public: |
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/*! @brief Constructor. |
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* |
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* @param cutName The cut's name. |
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* @param charge The particle charge (in units of proton charge: e.g. Z=1) |
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* @param mass The particle mass (in GeV; e.g. m=0.93827203 GeV) |
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* @param threshold The rigidity-difference threshold (in GV) |
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*/ |
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TofBetaRigCut(const char *cutName, float threshold, int charge=1, float mass=0.93827203) : |
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PamCut(cutName), _threshold(threshold), _charge(charge), _mass(mass) { |
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#ifdef DEBUGPAMCUT |
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TString hId; |
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TString hTitle; |
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for (UInt_t j = 0; j < 2; j++) { |
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hId.Form("h_trk_vs_tof_betamod_%i", j); |
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hTitle.Form("TRK |beta| vs TOF |beta| (%i)", j); |
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h_trk_vs_tof_betamod[j] = new TH2F(hId.Data(), hTitle.Data(), 50, 0, 1, 50, 0, 1); |
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} |
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#endif |
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} |
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/*! @brief Destructor. */ |
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~TofBetaRigCut() { |
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#ifdef DEBUGPAMCUT |
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for (UInt_t j = 0; j < 2; j++) { |
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h_trk_vs_tof_betamod[j]->Write(); |
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} |
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#endif |
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} |
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/*! @brief The rigidity check. |
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* |
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* @param event The event to analyze. |
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* @return #CUTOK if the beta difference is less than the threshold |
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* @return 0 otherwise. |
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*/ |
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int Check(PamLevel2 *event); |
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private: |
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#ifdef DEBUGPAMCUT |
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TH2F* h_trk_vs_tof_betamod[2]; |
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#endif |
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float _threshold; |
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int _charge; |
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float _mass; |
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}; |
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#endif /* TOFBETARIGCUT_H_ */ |
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