/usr/include/ThePEG/Handlers/SimpleZGenerator.h is in libthepeg-dev 1.8.0-3build1.
This file is owned by root:root, with mode 0o644.
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//
// SimpleZGenerator.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_SimpleZGenerator_H
#define THEPEG_SimpleZGenerator_H
// This is the declaration of the SimpleZGenerator class.
#include "ThePEG/Handlers/ZGenerator.h"
namespace ThePEG {
/**
* SimpleZGenerator is a very simple concrete subclass of
* ZGenerator. It implements a naive unphysical model to generate the
* momentum fraction, \f$z\f$, taken by hadrons produced in a hadronization
* scenario. It should only be used for testing purposes.
*
* @see \ref SimpleZGeneratorInterfaces "The interfaces"
* defined for SimpleZGenerator.
*/
class SimpleZGenerator: public ZGenerator {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* Destructor.
*/
virtual ~SimpleZGenerator();
//@}
public:
/** @name Virtual functions mandated by the ZGenerator base class. */
//@{
/**
* Return the momentum fraction. Assume that an initial
* (anti-)(di-)quark \a q1 produces a hadron and leaves behind
* another (anti-)(di-)quark \a q2. The hadron is assumed to have a
* squared transverse mass, \a mT2, w.r.t. the initial quark
* direction.
* @return the energy fraction distributed as \f$\sqrt{z}\f$ (or
* \f$1-\sqrt{z}\f$) if \a q1 (or \a q2) is a diquark. Otherwise a
* flat distribution is used.
*/
virtual double generate(cPDPtr q1, cPDPtr q2, Energy2 mT2 ) 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:
/**
* Describe a concrete class with persistent data.
*/
static ClassDescription<SimpleZGenerator> initSimpleZGenerator;
/**
* Private and non-existent assignment operator.
*/
SimpleZGenerator & operator=(const SimpleZGenerator &);
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/**
* This template specialization informs ThePEG about the base class of
* SimpleZGenerator.
*/
template <>
struct BaseClassTrait<SimpleZGenerator,1>: public ClassTraitsType {
/** Typedef of the base class of SimpleZGenerator. */
typedef ZGenerator NthBase;
};
/**
* This template specialization informs ThePEG about the name of the
* SimpleZGenerator class and the shared object where it is defined.
*/
template <>
struct ClassTraits<SimpleZGenerator>
: public ClassTraitsBase<SimpleZGenerator> {
/** Return the class name. */
static string className() { return "ThePEG::SimpleZGenerator"; }
/**
* Return the name of the shared library to be loaded to get access
* to the SimpleZGenerator class and every other class it uses
* (except the base class).
*/
static string library() { return "SimpleZGenerator.so"; }
};
/** @endcond */
}
#endif /* THEPEG_SimpleZGenerator_H */
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