/*
 * Chain.h
 *
 *  Created on: Jan 16, 2012
 *      Author: Anastasia Karavdina
 */

#ifndef CHAIN_H_
#define CHAIN_H_

/*
 * List of 2 particle states for chain amplitude calculation
 */

#include "TwoParticleState.h"
#include "Particle.h"
#include <list>

class Chain {
public:
	Chain(list<TwoParticleState> ls, Particle ip, list<Particle> lf);
	Chain(){}
	Chain(const Chain& t);
	virtual ~Chain();
	double Jc(){return _Jc;}
	vector<double> LyaFP(){return _lyafp;}
	list<TwoParticleState>  GetStates(){return _lstates;}
	void SetStates(list<TwoParticleState> ls){_lstates = ls;}
	void Print();
	void AddState(TwoParticleState add2st);//Add previous state to last one
	Particle GetIP(){return _ip;}
	void Update();
private:
	list<TwoParticleState> _lstates;//  List of 2 particle states for chain
	Particle _ip;// initial particle
	list<Particle> _lfp;//list of final particles;
	double _Jc;// spin of initial particle (describes multiplicity)
	vector<double> _lyafp;//helicity of final state
};

#endif /* CHAIN_H_ */