Herwig++
2.7.0
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00001 // -*- C++ -*- 00002 // 00003 // QTildeShowerKinematics1to2.h is a part of Herwig++ - A multi-purpose Monte Carlo event generator 00004 // Copyright (C) 2002-2011 The Herwig Collaboration 00005 // 00006 // Herwig++ is licenced under version 2 of the GPL, see COPYING for details. 00007 // Please respect the MCnet academic guidelines, see GUIDELINES for details. 00008 // 00009 #ifndef HERWIG_QTildeShowerKinematics1to2_H 00010 #define HERWIG_QTildeShowerKinematics1to2_H 00011 // 00012 // This is the declaration of the QTildeShowerKinematics1to2 class. 00013 // 00014 00015 #include "Herwig++/Shower/Base/ShowerKinematics.h" 00016 #include "ThePEG/Vectors/Lorentz5Vector.h" 00017 #include "QTildeShowerKinematics1to2.fh" 00018 00019 namespace Herwig { 00020 00021 using namespace ThePEG; 00022 00034 class QTildeShowerKinematics1to2: public ShowerKinematics { 00035 00036 public: 00037 00044 virtual vector<Lorentz5Momentum> getBasis() const; 00045 00049 const Lorentz5Momentum & pVector() const {return _pVector;} 00050 00054 const Lorentz5Momentum & nVector() const {return _nVector;} 00055 00059 Energy2 p_dot_n() const {return _pVector*_nVector;} 00060 00074 Lorentz5Momentum sudakov2Momentum(double alpha, double beta, Energy px, Energy py, 00075 unsigned int iopt) const; 00076 00077 protected: 00078 00082 void setBasis(const Lorentz5Momentum &p, const Lorentz5Momentum & n); 00083 00084 private: 00085 00090 QTildeShowerKinematics1to2 & operator=(const QTildeShowerKinematics1to2 &); 00091 00092 private: 00093 00097 Lorentz5Momentum _pVector; 00098 00102 Lorentz5Momentum _nVector; 00103 00104 }; 00105 00106 } 00107 00108 #endif /* HERWIG_QTildeShowerKinematics1to2_H */