O1AlphaS.h

// -*- C++ -*-
//
// O1AlphaS.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2007 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_O1AlphaS_H
#define ThePEG_O1AlphaS_H
// This is the declaration of the O1AlphaS class.

#include "AlphaSBase.h"

namespace ThePEG {

class O1AlphaS: public AlphaSBase {

public:

  O1AlphaS()
    : theLambdaQCD(0.25*GeV), theLambdaFlavour(4), 
      theMaxFlav(6), Q0(ZERO) {}

public:

  virtual double value(Energy2 scale, const StandardModelBase &) const;

  virtual unsigned int nloops () const { return 1; }

  virtual vector<Energy2> flavourThresholds() const;

  virtual vector<Energy> LambdaQCDs() const;

  unsigned int getMaxFlav() const { return theMaxFlav; }

public:

  void persistentOutput(PersistentOStream & os) const;

  void persistentInput(PersistentIStream & is, int version);

  static void Init();

protected:

  virtual IBPtr clone() const;

  virtual IBPtr fullclone() const;


private:

  Energy theLambdaQCD;

  unsigned int theLambdaFlavour;

  unsigned int theMaxFlav;

  Energy Q0;

private:

  static ClassDescription<O1AlphaS> initO1AlphaS;

  O1AlphaS & operator=(const O1AlphaS &);

};

template <>
struct BaseClassTrait<O1AlphaS,1>: public ClassTraitsType {
  typedef AlphaSBase NthBase;
};

template <>
struct ClassTraits<O1AlphaS>: public ClassTraitsBase<O1AlphaS> {
  static string className() { return "ThePEG::O1AlphaS"; }
  static string library() { return "O1AlphaS.so"; }
};

}

#endif /* ThePEG_O1AlphaS_H */

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