/usr/include/ThePEG/PDT/OmegaPhi3PiDecayer.h is in libthepeg-dev 1.8.0-3build1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | // -*- C++ -*-
//
// OmegaPhi3PiDecayer.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_OmegaPhi3PiDecayer_H
#define THEPEG_OmegaPhi3PiDecayer_H
// This is the declaration of the OmegaPhi3PiDecayer class.
#include "ThePEG/PDT/FlatDecayer.h"
namespace ThePEG {
/**
* The OmegaPhi3PiDecayer class inherits from performs FlatDecayer and
* will reweight the flat phase space suitable to describe the decay
* of a \f$\phi\f$ or an \f$\omega\f$ into \f$\pi^+\pi^-\pi^0\f$. It
* will in fact decay anything into \f$\pi^+\pi^-\pi^0\f$ assuming the
* same matrix element.
*
* @see \ref OmegaPhi3PiDecayerInterfaces "The interfaces"
* defined for OmegaPhi3PiDecayer.
* @see FlatDecayer
* @see ParticleData
*/
class OmegaPhi3PiDecayer: public FlatDecayer {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* Default constructor.
*/
OmegaPhi3PiDecayer() : margin(150.0) {}
//@}
public:
/** @name Virtual functions required by the Decayer class.
*/
//@{
/**
* Check if this decayer can perfom the decay specified by the
* given decay mode.
* @param dm the DecayMode describing the decay.
* @return true if this decayer can handle the given mode, otherwise false.
*/
virtual bool accept(const DecayMode & dm) const;
/**
* Give a weight to a phase space point. To be overridden by
* subclasses. For a given decay mode, \a dm, decaying \a parent
* particle and decayproducts, \a children, distributed according to
* a flat distribution in phase space, return a weight (less or
* equal to unity) modifying the flat distribution to the desired
* one. Note that the chosen phase space point may be rejected, but
* the chosen decay channel will not. This means that the weight
* returned by this function does not influence the branching
* ratios.
*/
virtual double reweight(const DecayMode & dm, const Particle & parent,
const ParticleVector & children) const;
//@}
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 interfaces.
*/
static void Init();
protected:
protected:
/** @name Clone Methods. */
//@{
/**
* Make a simple clone of this object.
* @return a pointer to the new object.
*/
virtual IBPtr clone() const;
/** Make a clone of this object, possibly modifying the cloned object
* to make it sane.
* @return a pointer to the new object.
*/
virtual IBPtr fullclone() const;
//@}
private:
/**
* Used to multiply the bare weight to get something below unity. In
* the Fortran pythia version it was set to 150 for unknown reasons.
*/
double margin;
private:
/**
* Describe a concrete class with persistent data.
*/
static ClassDescription<OmegaPhi3PiDecayer> initOmegaPhi3PiDecayer;
/**
* Private and non-existent assignment operator.
*/
OmegaPhi3PiDecayer & operator=(const OmegaPhi3PiDecayer &);
};
}
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the base classes
* of OmegaPhi3PiDecayer. */
template <>
struct BaseClassTrait<OmegaPhi3PiDecayer,1>: public ClassTraitsType {
/** Typedef of the first base class of OmegaPhi3PiDecayer. */
typedef FlatDecayer NthBase;
};
/** This template specialization informs ThePEG about the name of the
* OmegaPhi3PiDecayer class and the shared object where it is
* defined. */
template <>
struct ClassTraits<OmegaPhi3PiDecayer>
: public ClassTraitsBase<OmegaPhi3PiDecayer> {
/** Return a platform-independent class name */
static string className() { return "ThePEG::OmegaPhi3PiDecayer"; }
/** Return the name of the shared library be loaded to get access to
* the OmegaPhi3PiDecayer class and every other class it uses
* (except the base class). */
static string library() { return "OmegaPhi3PiDecayer.so"; }
};
/** @endcond */
}
#endif /* THEPEG_OmegaPhi3PiDecayer_H */
|