This utility class handles Lorentz boost between different referenence frames, using FourVector. More...

#include <COMBoost.hpp>

Public Member Functions
	COMBoost (FourVector< HEPEnergyType, MomentumVector > const &Pprojectile, HEPEnergyType const massTarget)
	construct a COMBoost given four-vector of projectile and mass of target (target at rest)

	COMBoost (MomentumVector const &momentum, HEPEnergyType mass)
	construct a COMBoost to boost into the rest frame given a 3-momentum and mass

template<typename FourVector >
FourVector	toCoM (FourVector const &p) const
	transforms a 4-momentum from lab frame to the center-of-mass frame

template<typename FourVector >
FourVector	fromCoM (FourVector const &p) const
	transforms a 4-momentum from the center-of-mass frame back to lab frame

CoordinateSystemPtr	getRotatedCS () const
	returns the rotated coordinate system

Protected Member Functions
void	setBoost (double coshEta, double sinhEta)
	internal method

Detailed Description

This utility class handles Lorentz boost between different referenence frames, using FourVector.

The class is initialized with projectile and optionally target energy/momentum data. During initialization, a rotation matrix is calculated to represent the projectile movement (and thus the boost) along the z-axis. Also the inverse of this rotation is calculated. The Lorentz boost matrix and its inverse are determined as 2x2 matrices considering the energy and pz-momentum.

Different constructors are offered with different specialization for the cases of collisions (projectile-target) or just decays (projectile only).

Definition at line 47 of file COMBoost.hpp.

The documentation for this class was generated from the following file:

corsika/framework/utility/COMBoost.hpp

Public Member Functions

Protected Member Functions

Detailed Description