#ifndef __JPHYSICS__JABSTRACTPMT__
#define __JPHYSICS__JABSTRACTPMT__


/**
 * \author mdejong
 */

namespace JPHYSICS {}
namespace JPP { using namespace JPHYSICS; }

namespace JPHYSICS {
  
  /**
   * PMT interface.
   */
  class JAbstractPMT {
  public:
    /**
     * Virtual destructor.
     */
    virtual ~JAbstractPMT()
    {}


    /**
     * Photo-cathode area of PMT.
     *
     * \return            photo-cathode area [m^2]
     */ 
    virtual double getPhotocathodeArea() const = 0;


    /**
     * Quantum efficiency of PMT (incl. absorption in glass, gel, etc.).
     *
     * \param  lambda     wavelenth [nm]
     * \return            QE 
     */ 
    virtual double getQE(const double lambda) const = 0;


    /**
     * Angular acceptence of PMT.
     *
     * \param  ct         cosine angle of incidence
     * \return            acceptance
     */ 
    virtual double getAngularAcceptance(const double ct) const = 0;
  };
}

#endif