/[PAMELA software]/PamCut/TrkCuts/TrkRigCut/TrkRigCut.h
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revision 1.1 by pam-fi, Wed May 27 13:30:08 2009 UTC revision 1.2 by pam-fi, Fri May 27 12:44:45 2011 UTC
# Line 13  Line 13 
13  #include "../../PamCutBase/PamCutBase.h"  #include "../../PamCutBase/PamCutBase.h"
14    
15  /*! @brief The rigidity cut.  /*! @brief The rigidity cut.
16   * This cut discards all the events whose rigidity is less than the threshold.   * This cut discards all the events whose rigidity is above or below a threshold value.
17   * Here rigidity is defined as p/Z (GV) where Z is the particle charge (WITH SIGN) and p the momentum modulus: therefore rigidity can be positive or negative.   * Here rigidity is defined as p/Z (GV) where Z is the particle charge (WITH SIGN) and p the momentum modulus:
18     * therefore rigidity can be positive or negative.
19     *
20   */   */
21  class TrkRigCut: public PamCut {  class TrkRigCut: public PamCut {
22    
# Line 22  public: Line 24  public:
24    /*! @brief Constructor.    /*! @brief Constructor.
25     *     *
26     * @param cutName The cut's name.     * @param cutName The cut's name.
27     * @param minRigidity The minimum rigidity p/Z (in GV) below which an event     * @param minRigidity The threshold rigidity p/Z (in GV); can be positive or negative.
28     *        will be discarded. Can be positive or negative.     * @param discardBelow If true, events below the threshold rigidity will be discarded;
29       *                     otherwise, events above the threshold will be discarded.
30     */     */
31    TrkRigCut(const char *cutName, float minRigidity) :    TrkRigCut(const char *cutName, float thrRigidity, bool discardBelow = true ) :
32      PamCut(cutName), _minRigidity(minRigidity) {      PamCut(cutName), _thrRigidity(thrRigidity), _discardBelow(discardBelow) {
33    }    }
34    /*! @brief Destructor. */    /*! @brief Destructor. */
35    ~TrkRigCut() {    ~TrkRigCut() {
# Line 35  public: Line 38  public:
38    /*! @brief The rigidity check.    /*! @brief The rigidity check.
39     *     *
40     * @param event The event to analyze.     * @param event The event to analyze.
41     * @return #CUTOK if the rigidity is greater than the threshold     * @return #CUTOK if the rigidity is greater (lower) than the threshold and discardBelow is true (false).
42     * @return 0 otherwise.     * @return 0 otherwise.
43     */     */
44    int Check(PamLevel2 *event);    int Check(PamLevel2 *event);
45    
46  private:  private:
47    
48    float _minRigidity;    float _thrRigidity;
49      bool _discardBelow;
50    
51  };  };
52  #endif /* TRKRIGCUT_H_ */  #endif /* TRKRIGCUT_H_ */
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