| 1 | pam-fi | 1.1 | /* | 
| 2 |  |  | * TrkChi2XDeflTimeCut.h | 
| 3 |  |  | * | 
| 4 |  |  | *  Created on: 6-oct-2009 | 
| 5 |  |  | *      Author: S. Ricciarini | 
| 6 |  |  | */ | 
| 7 |  |  |  | 
| 8 |  |  | /*! @file TrkChi2XDeflTimeCut.h The TrkChi2XDeflTimeCut class definition file */ | 
| 9 |  |  |  | 
| 10 |  |  | #ifndef TRKCHI2XDEFLTIMECUT_H_ | 
| 11 |  |  | #define TRKCHI2XDEFLTIMECUT_H_ | 
| 12 |  |  |  | 
| 13 |  |  | #include "../TrkChi2DeflTimeCut/TrkChi2DeflTimeCut.h" | 
| 14 |  |  |  | 
| 15 |  |  | /*! @brief The tracker chi2 for X view vs deflection cut. | 
| 16 |  |  | * | 
| 17 |  |  | * Events whose track has been fitted with a chi2 greater than Chi2(eta) are discarded. | 
| 18 |  |  | * Chi2(eta) is a function which gives the maximum value of chi2 associated to a certain | 
| 19 |  |  | * deflection eta; in current implementation it is parameterized as: | 
| 20 |  |  | * | 
| 21 |  |  | *   Chi2(eta) = p0 + p1 * eta^2 + p2 * eta ^4 | 
| 22 |  |  | * | 
| 23 |  |  | * where p0, p1 and p2 are parameters. These are read from a file, and are supposed to be | 
| 24 |  |  | * computed month by month. | 
| 25 |  |  | * | 
| 26 |  |  | */ | 
| 27 |  |  |  | 
| 28 |  |  | class TrkChi2XDeflTimeCut: public TrkChi2DeflTimeCut { | 
| 29 |  |  |  | 
| 30 |  |  | public: | 
| 31 |  |  | /*! @brief Constructor. | 
| 32 |  |  | * | 
| 33 |  |  | * @param cutName The cut's name. | 
| 34 |  |  | * @param calibFile Path for the calibration file. The format of the file's rows is: | 
| 35 |  |  | *                  YYMM efficiency p0 p1 p2 | 
| 36 |  |  | */ | 
| 37 |  |  | TrkChi2XDeflTimeCut(const char *cutName, const char *calibFile) : | 
| 38 |  |  | TrkChi2DeflTimeCut(cutName, calibFile) { | 
| 39 |  |  | } | 
| 40 |  |  |  | 
| 41 |  |  | /*! @brief Destructor. */ | 
| 42 |  |  | ~TrkChi2XDeflTimeCut() { | 
| 43 |  |  | } | 
| 44 |  |  |  | 
| 45 |  |  | private: | 
| 46 |  |  | double _GetChi2(PamLevel2 *event); | 
| 47 |  |  |  | 
| 48 |  |  | }; | 
| 49 |  |  | #endif /* TRKCHI2XDEFLTIMECUT_H_ */ |