/usr/include/Rivet/Projections/DISKinematics.hh is in librivet-dev 1.8.3-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | // -*- C++ -*-
#ifndef RIVET_DISKinematics_HH
#define RIVET_DISKinematics_HH
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
#include "Rivet/Projection.hh"
#include "Rivet/Projections/DISLepton.hh"
#include "Rivet/Projections/Beam.hh"
namespace Rivet {
/// @brief Get the DIS kinematic variables and relevant boosts for an event.
class DISKinematics : public Projection {
public:
/// The default constructor.
DISKinematics()
: _theQ2(-1.0), _theW2(-1.0), _theX(-1.0), _theY(-1.0), _theS(-1.0)
{
setName("DISKinematics");
//addPdgIdPair(ANY, hadid);
addProjection(Beam(), "Beam");
addProjection(DISLepton(), "Lepton");
}
/// Clone on the heap.
virtual const Projection* clone() const {
return new DISKinematics(*this);
}
protected:
/// Perform the projection operation on the supplied event.
virtual void project(const Event& e);
/// Compare with other projections.
virtual int compare(const Projection& p) const;
public:
/// The \f$Q^2\f$.
double Q2() const { return _theQ2; }
/// The \f$W^2\f$.
double W2() const { return _theW2; }
/// The Bjorken \f$x\f$.
double x() const { return _theX; }
/// The Inelasticity \f$y\f$
double y() const { return _theY; }
/// The centre of mass energy \f$s\f$
double s() const { return _theS; }
/// The LorentzRotation needed to boost a particle to the hadronic CM frame.
const LorentzTransform& boostHCM() const {
return _hcm;
}
/// The LorentzRotation needed to boost a particle to the hadronic Breit frame.
const LorentzTransform& boostBreit() const {
return _breit;
}
/// The incoming Hadron beam particle
const Particle& beamHadron() const {
return _inHadron;
}
private:
/// The \f$Q^2\f$.
double _theQ2;
/// The \f$W^2\f$.
double _theW2;
/// The Bjorken \f$x\f$.
double _theX;
/// The Inelasticity \f$y\f$
double _theY;
/// The centre of mass energy \f$s\f$
double _theS;
Particle _inHadron;
/// The LorentzRotation needed to boost a particle to the hadronic CM frame.
LorentzTransform _hcm;
/// The LorentzRotation needed to boost a particle to the hadronic Breit frame.
LorentzTransform _breit;
};
}
#endif
|