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 // -*- C++ -*-
 #ifndef HERWIG_StrongHeavyBaryonDecayer_H
 #define HERWIG_StrongHeavyBaryonDecayer_H
 // This is the declaration of the StrongHeavyBaryonDecayer class.
 
 #include "Baryon1MesonDecayerBase.h"
 
 namespace Herwig {
 using namespace ThePEG;
 
 /** \ingroup Decay
  *
  *  The <code>StrongHeavyBaryonDecayer</code> class implements the strong
  *  decays of charm baryons using the results of hep-ph/9904421.
  *
  * @see Baryon1MesonDecayerBase.
  * 
  */
 class StrongHeavyBaryonDecayer: public Baryon1MesonDecayerBase {
 
 public:
 
   /**
    * Default constructor.
    */
   StrongHeavyBaryonDecayer();
 
   /**
    * Which of the possible decays is required
    * @param cc Is this mode the charge conjugate
    * @param parent The decaying particle
    * @param children The decay products
    */
   virtual int modeNumber(bool & cc, tcPDPtr parent, 
              const tPDVector & children) const;
 
   /**
    * Output the setup information for the particle database
    * @param os The stream to output the information to
    * @param header Whether or not to output the information for MySQL
    */
   virtual void dataBaseOutput(ofstream & os,bool header) const;
 
 public:
 
   /** @name Functions used by the persistent I/O system. */
   //@{
   /**
    * Function used to write out object persistently.
    * @param os the persistent output stream written to.
    */
   void persistentOutput(PersistentOStream & os) const;
 
   /**
    * Function used to read in object persistently.
    * @param is the persistent input stream read from.
    * @param version the version number of the object when written.
    */
   void persistentInput(PersistentIStream & is, int version);
   //@}
 
   /**
    * Standard Init function used to initialize the interfaces.
    */
   static void Init();
 
 protected:
 
   /**
    *  Coupling Members.
    */
   //@{
   /**
    * Couplings for spin-\f$\frac12\f$ to spin-\f$\frac12\f$ and a scalar.
    * @param imode The mode
    * @param m0 The mass of the decaying particle.
    * @param m1 The mass of the outgoing baryon.
    * @param m2 The mass of the outgoing meson.
    * @param A The coupling \f$A\f$ described above.
    * @param B The coupling \f$B\f$ described above.
    */
   virtual void halfHalfScalarCoupling(int imode,Energy m0,Energy m1,Energy m2,
                       Complex& A,Complex& B) const;
 
   /**
    * Couplings for spin-\f$\frac12\f$ to spin-\f$\frac32\f$ and a scalar.
    * This method must be implemented in any class inheriting from this one
    * which includes \f$\frac12\to\frac32+0\f$ or \f$\frac32\to\frac12+0\f$ decays. 
    * @param imode The mode
    * @param m0 The mass of the decaying particle.
    * @param m1 The mass of the outgoing baryon.
    * @param m2 The mass of the outgoing meson.
    * @param A The coupling \f$A\f$ described above.
    * @param B The coupling \f$B\f$ described above.
    */
   virtual void halfThreeHalfScalarCoupling(int imode, Energy m0, Energy m1, Energy m2,
                        Complex& A,Complex& B) const;
 
   /**
    * Couplings for spin-\f$\frac12\f$ to spin-\f$\frac32\f$ and a scalar. 
    * @param imode The mode
    * @param m0 The mass of the decaying particle.
    * @param m1 The mass of the outgoing baryon.
    * @param m2 The mass of the outgoing meson.
    * @param A The coupling \f$A\f$ described above.
    * @param B The coupling \f$B\f$ described above.
    */
   virtual void threeHalfHalfScalarCoupling(int imode,Energy m0,Energy m1,Energy m2,
                        Complex& A,Complex& B) const;
 
   /**
    * Couplings for spin-\f$\frac32\f$ to spin-\f$\frac32\f$ and a scalar.
    * This method must be implemented in any class inheriting from this one
    * which includes \f$\frac32\to\frac32+0\f$ decays. 
    * @param imode The mode
    * @param m0 The mass of the decaying particle.
    * @param m1 The mass of the outgoing baryon.
    * @param m2 The mass of the outgoing meson.
    * @param A1 The coupling \f$A_1\f$ described above.
    * @param A2 The coupling \f$A_2\f$ described above.
    * @param B1 The coupling \f$B_1\f$ described above.
    * @param B2 The coupling \f$B_2\f$ described above.
    */
   virtual void threeHalfThreeHalfScalarCoupling(int imode,Energy m0,Energy m1,Energy m2,
                         Complex& A1,Complex& A2,
                         Complex& B1,Complex& B2) const;
   //@}
 
 protected:
 
   /** @name Clone Methods. */
   //@{
   /**
    * Make a simple clone of this object.
    * @return a pointer to the new object.
    */
   virtual IBPtr clone() const {return new_ptr(*this);}
 
   /** Make a clone of this object, possibly modifying the cloned object
    * to make it sane.
    * @return a pointer to the new object.
    */
   virtual IBPtr fullclone() const {return new_ptr(*this);}
   //@}
 
 protected:
 
   /** @name Standard Interfaced functions. */
   //@{
 
   /**
    * Initialize this object after the setup phase before saving and
    * EventGenerator to disk.
    * @throws InitException if object could not be initialized properly.
    */
   virtual void doinit();
 
   /**
    * Initialize this object to the begining of the run phase.
    */
   virtual void doinitrun();
   //@}
 
 private:
 
   /**
    * Private and non-existent assignment operator.
    */
   StrongHeavyBaryonDecayer & operator=(const StrongHeavyBaryonDecayer &) = delete;
 
 public:
 
   /**
    *   Set the parameters for a decay mode
    */
   string setUpDecayMode(string arg);
 
 private:
 
   /**
    * Strong coupling for the \f$\Sigma_c\to\Lambda_c\pi\f$.
    */
   InvEnergy _gsigma_clambda_cpi;
 
   /**
    * strong coupling for \f$\Xi^*_c\to\Xi_c\pi\f$.
    */
   InvEnergy _gxistar_cxi_cpi;
 
   /**
    * Strong coupling for \f$\Lambda_{c1}\to\Sigma_c\pi\f$.
    */
   double _flambda_c1sigma_cpi;
 
   /**
    * Strong coupling for \f$\Xi_{c1}\to\Xi'_c\pi\f$.
    */
   double _fxi_c1xi_cpi;
 
   /**
    * Strong coupling for \f$\Lambda_{c1}^*\to\Sigma_c\pi\f$.
    */
   InvEnergy2 _flambda_c1starsigma_cpi;
 
   /**
    * Strong couplng for \f$\Xi_{c1}^*\to\Xi'_c\pi\f$.
    */
   InvEnergy2 _fxi_c1starxi_cpi;
 
   /**
    * Strong coupling for the \f$\Sigma_b\to\Lambda_b\pi\f$.
    */
   InvEnergy _gsigma_blambda_bpi;
 
   /**
    * Strong coupling for \f$\Xi^*_b \to \Xi_b \pi\f$.
    */
   InvEnergy _gxistar_bxi_bpi;
 
   /**
    * Strong coupling for \f$\Lambda_{b1} \to \Sigma_b \pi\f$.
    */
   double _flambda_b1sigma_bpi;
 
   /**
    * Strong coupling for \f$\Xi_{b1}\to\Xi'_b\pi\f$.
    */
   double _fxi_b1xi_bpi;
 
   /**
    * Strong coupling for \f$\Lambda_{b1}^* \to \Sigma_b \pi\f$.
    */
   InvEnergy2 _flambda_b1starsigma_bpi;
 
   /**
    * Strong couplng for \f$\Xi_{b1}^*\to\Xi'_b\pi\f$.
    */
   InvEnergy2 _fxi_b1starxi_bpi;
 
 
   /**
    * PDG code for the incoming baryons
    */
   vector<int> incoming_;
 
   /**
    * PDG code for the outgoing particles
    */
   vector<pair<int,int> > outgoing_;
 
   /**
    * max weight
    */
   vector<double> maxWeight_;
 
   /**
    * The couplings for the different modes.
    */
   vector<double> _prefactor;
 
   /**
    * The type of matrix element
    */
   vector<int> modeType_;
 };
 
 }
 
 
 #endif /* HERWIG_StrongHeavyBaryonDecayer_H */

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