/usr/include/ThePEG/PDF/PolarizedBeamParticleData.h is in libthepeg-dev 1.8.0-1.
This file is owned by root:root, with mode 0o644.
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//
// PolarizedBeamParticleData.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2011 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_PolarizedPolarizedBeamParticleData_H
#define ThePEG_PolarizedPolarizedBeamParticleData_H
// This is the declaration of the PolarizedBeamParticleData class.
#include "BeamParticleData.h"
#include "ThePEG/EventRecord/RhoDMatrix.h"
#include "PolarizedBeamParticleData.fh"
namespace ThePEG {
/**
* PolarizedBeamParticleData inherits from the BeamParticleData class and is used
* for polarized beam particles
*
* @see \ref PolarizedBeamParticleDataInterfaces "The interfaces"
* defined for PolarizedBeamParticleData.
* @see BeamParticleData
* @see PDFBase
*/
class PolarizedBeamParticleData: public virtual BeamParticleData {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* Default constructor.
*/
PolarizedBeamParticleData() : theLongPolarization(0.0) {}
//@}
/** @name The Create methods are special interfaces for ParticleData
classes. */
//@{
/**
* Create a Particle which is its own anti-particle.
*/
static PDPtr Create(long newId, string newPDGName);
/**
* Create a particle - anti particle pair. Note that setting the
* parton density object on this particle does not change the parton
* density of the anti particle iven if synchronized() is true.
*/
static PDPair Create(long newId, string newPDGName, string newAntiPDGName);
//@}
/**
* Set-up the spin density matrix
*/
RhoDMatrix rhoMatrix() const;
/**
* The longitudinal polarization
*/
double longitudinalPolarization() const {return theLongPolarization;}
public:
/** @name Functions used by the persistent I/O system. */
//@{
/**
* Function used to write out object persistently.
* @param os the persistent output stream written to.
*/
void persistentOutput(PersistentOStream & os) const;
/**
* Function used to read in object persistently.
* @param is the persistent input stream read from.
* @param version the version number of the object when written.
*/
void persistentInput(PersistentIStream & is, int version);
//@}
/**
* Standard Init function used to initialize the interface.
*/
static void Init();
protected:
/**
* Protected constructor only to be used by subclasses or by the
* Create method.
*/
PolarizedBeamParticleData(long newId, string newPDGName);
/**
* ParticleData clone method
*/
virtual PDPtr pdclone() const;
private:
/**
* The longitudinal polarization
*/
double theLongPolarization;
private:
/**
* Describe a concrete class with persistent data.
*/
static ClassDescription<PolarizedBeamParticleData> initPolarizedBeamParticleData;
/**
* Private and non-existent assignment operator.
*/
PolarizedBeamParticleData & operator=(const PolarizedBeamParticleData &);
};
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of PolarizedBeamParticleData. */
template <>
struct BaseClassTrait<PolarizedBeamParticleData,1>: public ClassTraitsType {
/** Typedef of the first base class of PolarizedBeamParticleData. */
typedef BeamParticleData NthBase;
};
/** This template specialization informs ThePEG about the name of the
* PolarizedBeamParticleData class. */
template <>
struct ClassTraits<PolarizedBeamParticleData>:
public ClassTraitsBase<PolarizedBeamParticleData> {
/** Return a platform-independent class name */
static string className() { return "ThePEG::PolarizedBeamParticleData"; }
};
/** @endcond */
}
#endif /* ThePEG_PolarizedBeamParticleData_H */
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