/usr/include/ThePEG/Helicity/ScalarSpinInfo.h is in libthepeg-dev 1.8.0-1.1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | // -*- C++ -*-
//
// ScalarSpinInfo.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 2003-2011 Peter Richardson, 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_ScalarSpinInfo_H
#define ThePEG_ScalarSpinInfo_H
// This is the declaration of the ScalarSpinInfo class.
#include "ThePEG/EventRecord/SpinInfo.h"
#include "ScalarSpinInfo.fh"
namespace ThePEG {
namespace Helicity {
/**
* The ScalarSpinInfo class is designed to be the implementation of
* the spin information for a scalar particle. Obviously it is pretty
* trival in this case.
*
* @author Peter Richardson
*
*/
class ScalarSpinInfo: public SpinInfo {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* Default constructor.
*/
ScalarSpinInfo() : SpinInfo(PDT::Spin0) {}
/**
* Standard Constructor.
* @param p the production momentum.
* @param time true if the particle is time-like.
*/
ScalarSpinInfo(const Lorentz5Momentum & p, bool time)
: SpinInfo(PDT::Spin0, p, time) {}
//@}
public:
/**
* Standard Init function.
*/
static void Init();
/**
* Standard clone methods.
*/
virtual EIPtr clone() const
{
tcSpinPtr temp = this;
return const_ptr_cast<SpinPtr>(temp);
}
/**
* Perform a lorentz rotation of the spin information
*/
virtual void transform(const LorentzMomentum &,const LorentzRotation &);
private:
/**
* Describe a concrete class without persistent data.
*/
static NoPIOClassDescription<ScalarSpinInfo> initScalarSpinInfo;
/**
* Private and non-existent assignment operator.
*/
ScalarSpinInfo & operator=(const ScalarSpinInfo &);
};
}
}
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/**
* This template specialization informs ThePEG about the base class of
* ScalarSpinInfo.
*/
template <>
struct BaseClassTrait<ThePEG::Helicity::ScalarSpinInfo,1>
: public ClassTraitsType {
/** Typedef of the base class of ScalarSpinInfo. */
typedef ThePEG::SpinInfo NthBase;
};
/**
* This template specialization informs ThePEG about the name of the
* ScalarSpinInfo class and the shared object where it is defined.
*/
template <>
struct ClassTraits<ThePEG::Helicity::ScalarSpinInfo>
: public ClassTraitsBase<ThePEG::Helicity::ScalarSpinInfo> {
/**
* Return the class name.
*/
static string className() { return "ThePEG::Helicity::ScalarSpinInfo"; }
};
/** @endcond */
}
#endif /* ThePEG_ScalarSpinInfo_H */
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