#ifndef PARTICLE_H
#define PARTICLE_H

#include <TObject.h>
#include <TString.h>

/* ------------- Particle Types ---------------- */
enum	ParticleType {
	PTGamma,
	PTNeutron,
	PTAntiNeutron,
	PTNeutrino,
	PTAntiNeutrino,
	PTProton,
	PTAntiProton,
	PTElectron,
	PTPositron,
	PTPionPlus,
	PTPionMinus,
	PTMuonPlus,
	PTMuonMinus,
	PTKaonPlus,
	PTKaonMinus,
	PTKaonLong,
	PTKaonShort,
	PTKaonZero,
	PTLambda,
	PTAlpha
};

/* ------------ Particle Class ---------------- */
class NdbParticle : public TObject
{
protected:
	Long_t		pId;		// Unique id of each particle
	TString		pName;		// Particle Name
	TString		pMnemonic;	// Particle Mnemonic
	ParticleType	pType;		// Type of particle
	Int_t		pCharge;	// Particle charge
	Float_t		pMass;		// mass in MeV/c^2
	Float_t		pHalfLife;	// Half life in sec.

public:
	NdbParticle() { pId = -1; }

	NdbParticle(
		const char *aName,
		ParticleType aType,
		long anId = 0)
	: TObject(), pName(aName)
	{
		pType = aType;
		pId = anId;
	}

	~NdbParticle() {}

	// --- Access Functions ---
	inline TString Name()		const { return pName; }
	inline TString Mnemonic()	const { return pMnemonic; }
	inline Long_t  Id()		const { return pId; }
	inline Float_t Mass()		const { return pMass; }
	inline Float_t HalfLife()	const { return pHalfLife; }
	inline Int_t   Charge()		const { return pCharge; }

	ClassDef(NdbParticle,1)

}; // NdbParticle

#endif