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/* |
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* TrkDeflCut.h |
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* |
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* Created on: 14-sep-2010 |
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* Author: Nicola Mori |
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*/ |
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/*! @file TrkDeflCut.h The TrkDeflCut class definition file */ |
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#ifndef TRKDEFLCUT_H_ |
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#define TRKDEFLCUT_H_ |
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#include "../../PamCutBase/PamCutBase.h" |
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/*! @brief The deflection cut. |
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* This cut discards all the events whose deflection is above or below a threshold value. |
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* Here deflection is defined as Z/p (1/GV) where Z is the particle charge (WITH SIGN) and p the momentum modulus: |
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* therefore deflection can be positive or negative. |
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* |
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*/ |
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class TrkDeflCut: 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 minDeflection The threshold p/Z (in GV); can be positive or negative. |
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* @param discardBelow If true, events below the threshold will be discarded; |
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* otherwise, events above the threshold will be discarded. |
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*/ |
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TrkDeflCut(const char *cutName, float thrDeflection, bool discardBelow = true ) : |
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PamCut(cutName), _thrDeflection(thrDeflection), _discardBelow(discardBelow) { |
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} |
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/*! @brief Destructor. */ |
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~TrkDeflCut() { |
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} |
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/*! @brief The check. |
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* |
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* @param event The event to analyze. |
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* @return #CUTOK if the deflection is greater (lower) than the threshold and discardBelow is true (false). |
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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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float _thrDeflection; |
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bool _discardBelow; |
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}; |
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#endif /* TRKDEFLCUT_H_ */ |
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