/usr/include/Rivet/Projections/ClusteredPhotons.hh is in librivet-dev 1.8.3-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef RIVET_ClusteredPhotons_HH
#define RIVET_ClusteredPhotons_HH
#include "Rivet/Tools/Logging.hh"
#include "Rivet/Rivet.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
#include "Rivet/Projection.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Projections/IdentifiedFinalState.hh"
namespace Rivet {
/// @brief Find final state photons which in a cone around any particle in the "signal" final state
class ClusteredPhotons : public FinalState {
public:
/// @name Constructors
//@{
/// Constructor with the two final states, and the maximum separation in dR
/// for clustered photons
ClusteredPhotons(const FinalState& fs, const FinalState& signal, double dRmax)
: _dRmax(dRmax)
{
setName("ClusteredPhotons");
IdentifiedFinalState photonfs(fs);
photonfs.acceptId(PHOTON);
addProjection(photonfs, "Photons");
addProjection(signal, "Signal");
}
/// Clone on the heap.
virtual const Projection* clone() const {
return new ClusteredPhotons(*this);
}
//@}
public:
protected:
/// Apply the projection on the supplied event.
void project(const Event& e);
/// Compare projections.
int compare(const Projection& p) const;
private:
/// maximum cone radius to find photons in
double _dRmax;
};
}
#endif
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