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The Physics Vectors classes.

Several documents describing these classes are listed below:

- The main histogram class is documented in class TGeoManager.
- The Chapter about the Physics Vectors classes in the Users Guide

It is a combination of CLHEPs Vector package written by Leif Lonnblad, Andreas Nilsson and Evgueni Tcherniaev and a ROOT package written by Pasha Murat. for CLHEP see: http://www.cern.ch/clhep/

## Classes | |

class | TFeldmanCousins |

Class to calculate the CL upper limit using the Feldman-Cousins method as described in PRD V57 #7, p3873-3889. More... | |

class | TGenPhaseSpace |

Utility class to generate n-body event, with constant cross-section (default) or with Fermi energy dependence (opt="Fermi"). More... | |

class | TLorentzRotation |

The TLorentzRotation class describes Lorentz transformations including Lorentz boosts and rotations (see TRotation) More... | |

class | TLorentzVector |

class | TQuaternion |

Quaternion is a 4-component mathematic object quite convenient when dealing with space rotation (or reference frame transformation). More... | |

class | TRobustEstimator |

Minimum Covariance Determinant Estimator - a Fast Algorithm invented by Peter J.Rousseeuw and Katrien Van Dreissen "A Fast Algorithm for the Minimum covariance Determinant Estimator" Technometrics, August 1999, Vol.41, NO.3. More... | |

class | TRolke |

This class computes confidence intervals for the rate of a Poisson process in the presence of uncertain background and/or efficiency. More... | |

class | TRotation |

The TRotation class describes a rotation of objects of the TVector3 class. More... | |

class | TVector2 |

TVector2 is a general two vector class, which can be used for the description of different vectors in 2D. More... | |

class | TVector3 |

TVector3 is a general three vector class, which can be used for the description of different vectors in 3D. More... | |