Differential D87 Diff 389 EvtGenBase/EvtGenKine.hh

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EvtGenBase/EvtGenKine.hh

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	* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *			* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
	***********************************************************************/			***********************************************************************/

	#ifndef EVTGENKINE_HH			#ifndef EVTGENKINE_HH
	#define EVTGENKINE_HH			#define EVTGENKINE_HH

	class EvtVector4R;			class EvtVector4R;
	class EvtParticle;			class EvtParticle;
				class EvtLinSample;

	class EvtGenKine {			class EvtGenKine {
	public:			public:
	static double PhaseSpace( int ndaug, double mass[30], EvtVector4R p4[30],			static double PhaseSpace( int ndaug, const double mass[30],
	double mp );			EvtVector4R p4[30], double mp );

	static double PhaseSpacePole( double M, double m1, double m2, double m3,			static double PhaseSpacePole( double M, double m1, double m2, double m3,
	double a, EvtVector4R p4[10] );			double a, EvtVector4R p4[10] );

				static double PhaseSpacePole2( double M, double m1, double m2, double m3,
				EvtVector4R p4[10], const EvtLinSample& );

	/*			/*
	* Function which takes two invariant masses squared in 3-body decay and			* Function which takes two invariant masses squared in 3-body decay and
	* parent after makeDaughters() and generateMassTree() and			* parent after makeDaughters() and generateMassTree() and
	* calculates/generates momenta of daughters and sets those.			* calculates/generates momenta of daughters and sets those.
	*/			*/
	static void ThreeBodyKine( const double m12Sq, const double m23Sq,			static void ThreeBodyKine( const double m12Sq, const double m23Sq,
	EvtParticle* p );			EvtParticle* p );
	};			};

	#endif			#endif