// Header file for the Oxbridge Stransverse Mass Library -- oxbridgekinetics. // See http://www.hep.phy.cam.ac.uk/~lester/mt2/index.html // Authors: Christopher Lester and Alan Barr #ifndef MT2_AsymmParents332_CALCULATOR_H #define MT2_AsymmParents332_CALCULATOR_H #include "Mt2Vectors.h" #include "Mt2Calculator.h" namespace Mt2 { /** Class which knows how to calculate the specialisation of M_T2 to the case of disimilar parent masses (but with a fixed ratio of parent masses). Please take care when choosing the appropriate function to use for your analysis. @author Alan Barr & Chris Lester @date 9 Feb 2006 and onwards */ class Mt2_AsymmParents332_Calculator : public Mt2Calculator { public: /** mt2_AsymmParents332 assumes that the heavy parent particles have different masses .... whose ratio is fixed in terms of the paramter theta according to: tan(theta) = mHeavyB/mHeavyA. */ virtual double mt2_AsymmParents332(const double theta, // tan(theta) is mHeavyB/mHeavyA. 0<=theta<=Pi/2 const LorentzTransverseVector& visibleA, // 3 d.o.f. const LorentzTransverseVector& visibleB, // 3 d.o.f. const TwoVector& ptmiss, // 2 d.o.f. double mInvisible) = 0; virtual double mt2_AsymmParents332_Sq(const double theta, // tan(theta) is mHeavyB/mHeavyA. 0<=theta<=Pi/2 const LorentzTransverseVector& visibleA, // 3 d.o.f. const LorentzTransverseVector& visibleB, // 3 d.o.f. const TwoVector& ptmiss, // 2 d.o.f. double mInvisible) = 0; Mt2_AsymmParents332_Calculator(const std::string & algName) : Mt2Calculator(algName) {}; }; } #endif