/usr/include/Rivet/Projections/TotalVisibleMomentum.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_TotalVisibleMomentum_HH
#define RIVET_TotalVisibleMomentum_HH
#include "Rivet/Rivet.hh"
#include "Rivet/Projection.hh"
#include "Rivet/Projections/FinalState.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
namespace Rivet {
/// @brief Get the total energy vector, allowing missing \f$ E_T \f$ etc. to be calculated.
/// @deprecated This is confusing because the visibility is not automatic. Use MissingMomentum instead.
class TotalVisibleMomentum : public Projection {
public:
/// Constructor. Make sure you supply an appropriately vetoed FS!
TotalVisibleMomentum(const FinalState& fsp)
{
setName("TotalVisibleMomentum");
addProjection(fsp, "FS");
getLog() << Log::WARNING << "TotalVisibleMomentum projection is deprecated: "
<< "please use the MissingMomentum projection instead." << endl;
}
/// Clone on the heap.
virtual const Projection* clone() const {
return new TotalVisibleMomentum(*this);
}
public:
/// The projected four-momentum vector
FourMomentum& momentum() { return _momentum; }
/// The projected four-momentum vector
const FourMomentum& momentum() const { return _momentum; }
/// The projected scalar transverse energy
double scalarET() const { return _set; }
protected:
/// Apply the projection to the event.
void project(const Event& e);
/// Compare projections.
int compare(const Projection& p) const;
private:
/// The total visible momentum
FourMomentum _momentum;
/// Scalar transverse energy
double _set;
};
}
#endif
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