IsoSpin.h

// -*- C++ -*-
//
// IsoSpin.h is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2017 The Herwig Collaboration
//
// Herwig is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef HERWIG_IsoSpin_H
#define HERWIG_IsoSpin_H
//
// This is the declaration of the Isospin namespace and values.
//
namespace Herwig {
  namespace IsoSpin {
    
    enum IsoSpin { IUnknown, IZero, IHalf, IOne, IThreeHalf};
    
    enum I3     { I3Unknown, I3MinusOne, I3MinusThreeHalf, I3MinusHalf, I3Zero, I3Half, I3One, I3ThreeHalf};
  }
  namespace Strangeness {
    enum Strange { Unknown, ssbar, Zero, PlusOne, MinusOne};
  }
  namespace Charm {
    enum Charm { Unknown, ccbar, Zero, PlusOne, MinusOne};
  }
  namespace Beauty {
    enum Bottom { Unknown, bbbar, Zero, PlusOne, MinusOne};
  }
 
  struct FlavourInfo {
 
    FlavourInfo() : I(IsoSpin::IUnknown), I3(IsoSpin::I3Unknown),
                    strange(Strangeness::Unknown), charm(Charm::Unknown), bottom(Beauty::Unknown)
    {}
    
    FlavourInfo(IsoSpin::IsoSpin Iin, IsoSpin::I3 I3in, Strangeness::Strange Sin=Strangeness::Unknown,
                Charm::Charm Cin=Charm::Unknown, Beauty::Bottom Bin=Beauty::Unknown) :
      I(Iin), I3(I3in),strange(Sin), charm(Cin), bottom(Bin)
    {}
 
    IsoSpin::IsoSpin I;
    
    IsoSpin::I3 I3;
 
    Strangeness::Strange strange;
 
    Charm::Charm charm;
 
    Beauty::Bottom bottom;
  };
}
 
#endif /* HERWIG_IsoSpin_H */