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EvtRaritaSchwingerParticle.hh
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EvtRaritaSchwingerParticle.hh
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//--------------------------------------------------------------------------
//
// Environment:
// This software is part of the EvtGen package developed jointly
// for the BaBar and CLEO collaborations. If you use all or part
// of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
// Copyright (C) 1998 Caltech, UCSB
//
// Module: EvtGen/EvtRaritaSchwingerParticle.hh
//
// Description:Represents particles i.e. spin 3/2 particles.
//
// Modification history:
//
// RYD August 9, 2000 Module created
//
//------------------------------------------------------------------------
#ifndef EVTRARITASCHWINGERPARTICLE_HH
#define EVTRARITASCHWINGERPARTICLE_HH
#include "EvtGenBase/EvtRaritaSchwinger.hh"
#include "EvtGenBase/EvtId.hh"
#include "EvtGenBase/EvtParticle.hh"
class EvtVector4R;
class EvtRaritaSchwingerParticle:public EvtParticle {
public:
EvtRaritaSchwingerParticle();
virtual ~EvtRaritaSchwingerParticle();
void init(EvtId id,const EvtVector4R& p4);
void init(EvtId id,const EvtVector4R& p4,
const EvtRaritaSchwinger &,const EvtRaritaSchwinger &,
const EvtRaritaSchwinger &,const EvtRaritaSchwinger &,
const EvtRaritaSchwinger &,const EvtRaritaSchwinger &,
const EvtRaritaSchwinger &,const EvtRaritaSchwinger &);
EvtRaritaSchwinger spRSParent(int) const;
EvtRaritaSchwinger spRS(int) const;
EvtSpinDensity rotateToHelicityBasis() const;
EvtSpinDensity rotateToHelicityBasis(double alpha,
double beta,
double gamma) const;
private:
EvtRaritaSchwinger _spinorRest[4];
EvtRaritaSchwinger _spinor[4];
EvtRaritaSchwingerParticle(const EvtRaritaSchwingerParticle& d);
EvtRaritaSchwingerParticle& operator=(const EvtRaritaSchwingerParticle& d);
};
#endif

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