/usr/include/Rivet/Projections/InitialQuarks.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 | // -*- C++ -*-
#ifndef RIVET_InitialQuarks_HH
#define RIVET_InitialQuarks_HH
#include "Rivet/Projection.hh"
#include "Rivet/Particle.hh"
#include "Rivet/Event.hh"
namespace Rivet {
/// @brief Project out quarks from the hard process in \f$ e^+ e^- \to Z^0 \f$ events
///
/// @warning This is a very dangerous and specific projection! Use
/// e.g. PID::hasBottom and friends instead whenever possible
class InitialQuarks : public Projection {
public:
/// @name Standard constructors and destructors.
//@{
/// The default constructor. May specify the minimum and maximum
/// pseudorapidity \f$ \eta \f$ and the min \f$ p_T \f$ (in GeV).
InitialQuarks()
{
setName("InitialQuarks");
}
/// Clone on the heap.
virtual const Projection* clone() const {
return new InitialQuarks(*this);
}
//@}
/// Access the projected final-state particles.
virtual const ParticleVector& particles() const { return _theParticles; }
/// Is this final state empty?
virtual bool empty() const { return _theParticles.empty(); }
/// @deprecated Is this final state empty?
virtual bool isEmpty() const { return _theParticles.empty(); }
protected:
/// Apply the projection to the event.
virtual void project(const Event& e);
/// Compare projections.
virtual int compare(const Projection& p) const;
protected:
/// The final-state particles.
ParticleVector _theParticles;
};
}
#endif
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