/usr/include/ThePEG/Handlers/GaussianPtGenerator.h is in libthepeg-dev 1.8.0-3build1.
This file is owned by root:root, with mode 0o644.
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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 | // -*- C++ -*-
//
// GaussianPtGenerator.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_GaussianPtGenerator_H
#define THEPEG_GaussianPtGenerator_H
// This is the declaration of the GaussianPtGenerator class.
#include "ThePEG/Handlers/PtGenerator.h"
namespace ThePEG {
/**
* GaussianPtGenerator inherits from the abstract PtGenerator
* class. It will generate a transverse momentum distributed according
* to a gaussian.
*
* @see \ref GaussianPtGeneratorInterfaces "The interfaces"
* defined for GaussianPtGenerator.
*/
class GaussianPtGenerator: public PtGenerator {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* Default constructor.
*/
GaussianPtGenerator() : theSigma(1.0*GeV), theUpperCut(5.0*GeV) {}
/**
* Destructor.
*/
virtual ~GaussianPtGenerator();
//@}
public:
/** @name Virtual functions required by the PtGenerator class. */
//@{
/**
* Generate (\f$k_x, k_y\f$) components of the transverse
* momentum. They will be distributed as
* \f$\exp(-k_\perp^2/\sigma^2)k_\perp dk_\perp\f$ with
* \f$k_\perp^2=k_x^2+k_y^2\f$ and \f$\sigma=\f$ theSigma. The
* distribution is cutoff at \f$k_\perp=\f$ theUpperCut.
*/
virtual TransverseMomentum generate() 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:
/** @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:
/**
* The width of the Gaussian distribution. The average squared
* transverse momentum is theSigma squared.
*/
Energy theSigma;
/**
* Upper cutoff for the transverse momentum distribution.
*/
Energy theUpperCut;
private:
/**
* Describe a concrete class with persistent data.
*/
static ClassDescription<GaussianPtGenerator> initGaussianPtGenerator;
/**
* Private and non-existent assignment operator.
*/
GaussianPtGenerator & operator=(const GaussianPtGenerator &);
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/**
* This template specialization informs ThePEG about the
* base class of GaussianPtGenerator.
*/
template <>
struct BaseClassTrait<GaussianPtGenerator,1>: public ClassTraitsType {
/** Typedef of the base class of GaussianPtGenerator. */
typedef PtGenerator NthBase;
};
/**
* This template specialization informs ThePEG about the name of the
* GaussianPtGenerator class and the shared object where it is
* defined.
*/
template <>
struct ClassTraits<GaussianPtGenerator>
: public ClassTraitsBase<GaussianPtGenerator> {
/** Return the class name. */
static string className() { return "ThePEG::GaussianPtGenerator"; }
/** Return the name of the shared library to be loaded to get access
* to the GaussianPtGenerator class and every other class it uses
* (except the base class). */
static string library() { return "GaussianPtGenerator.so"; }
};
/** @endcond */
}
#endif /* THEPEG_GaussianPtGenerator_H */
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