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IS_QtildaShowerKinematics1to2.h
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IS_QtildaShowerKinematics1to2.h
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// -*- C++ -*-
#ifndef HERWIG_IS_QtildaShowerKinematics1to2_H
#define HERWIG_IS_QtildaShowerKinematics1to2_H
//
// This is the declaration of the <!id>IS_QtildaShowerKinematics1to2<!!id> class.
//
// CLASSDOC SUBSECTION Description:
//
// This (concrete) class provides the specific Intial State shower <BR>
// kinematics information.
//
// CLASSDOC SUBSECTION See also:
//
// <a href="http:QtildaShowerKinematics1to2.html">QtildaShowerKinematics1to2.h</a>, <BR>
// <a href="http:QtildaShowerKinematics1to2.html">FS_QtildaShowerKinematics1to2.h</a>, <BR>
// <a href="http:KinematicsReconstructor.html">KinematicsReconstructor.h</a>.
//
#include "QtildaShowerKinematics1to2.h"
namespace Herwig {
using namespace ThePEG;
class IS_QtildaShowerKinematics1to2: public QtildaShowerKinematics1to2 {
public:
inline IS_QtildaShowerKinematics1to2();
inline IS_QtildaShowerKinematics1to2(const IS_QtildaShowerKinematics1to2 &);
virtual ~IS_QtildaShowerKinematics1to2();
// Standard ctors and dtor.
virtual void updateChildren( const double parentSudAlpha,
const Energy parentSudPx, const Energy parentSudPy,
vector<double> & sudAlphaVect,
vector<Energy> & sudPxVect, vector<Energy> & sudPyVect );
// Along with the showering evolution --- going forward for
// time-like (forward) evolution, and going backward for space-like
// (backward) evolution --- the Sudakov variables associated to the
// branching products are calcalted and returned, from the knowledge
// of the parent Sudakov variables.
// Note that only <I>alpha</I> and <I>p_perp</I> can be reconstructed
// at this moment and we will obtain instead beta only later,
// using <!id>updateParent()<!!id>.
virtual void updateParent( tCollecShoKinPtr & shoKinChildren );
// update the parent Kinematics from the knowledge of the kinematics
// of the children. This method will be used by the
// <!class>KinematicsReconstructor<!!class>.
virtual Energy jetMass();
// The method returns the mass of jet.
// It should be used only if <!id>isTheJetStartingPoint()<!!id> is true,
// and only after the jet kinematics reconstruction.
// (performed by the <!class>KinematicsReconstructor<!!class> class).
private:
IS_QtildaShowerKinematics1to2 & operator=(const IS_QtildaShowerKinematics1to2 &);
// Private and non-existent assignment operator.
};
}
#include "IS_QtildaShowerKinematics1to2.icc"
#endif /* HERWIG_IS_QtildaShowerKinematics1to2_H */

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