Symmetric_Moeller.h

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//! \file
//!
//! Header file for the Symmetric_Moeller class.
//!
//! The Symmetric_Moeller class is used to build the symmetric moeller / 
//! bhabha luminosity monitor for the OLYMPUS detector simulation.
//! This file declares the Symmetric_Moeller
//! class and the member routines which build the SM luminosity monitor.
//!
//! \author Y. Ma based on the sample provided by Olympus simulation package
//! \version 1.0
//! \date 2010-10-11
//!
//! \ingroup detector

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// Include this file just once.

#ifndef SYMMETRIC_MOELLER_H
#define SYMMETRIC_MOELLER_H

// Define the number of GT sensitive detectors.

#define N_SM 20

// Declare the classes referenced here.

class G4VPhysicalVolume;

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//! Class used to create the Symmetric_Moeller class.
//!
//! This class builds the Symmetric_Moeller detector.  It is
//! instantiated by the OLYMPUS_Detector class memeber function Construct()
//! and then the Build() member function builds the detector and places it in
//! the world volume.  The Build member function also creates an instance
//! of the SM_SD class.

class Symmetric_Moeller {

public:

     //! Constructor for the Symmetric_Moeller class.
     //!
     //! Called by OLYMPUS_Detector member Construct() to create an instance of
     //! this class.

     Symmetric_Moeller();

     //! Destructor for the Symmetric_Moeller class.
     //!
     //! Called by OLYMPUS_Detector member Construct() to delete this instance.

     ~Symmetric_Moeller();

     // Member functions.

     //! Member function to build the the Symmetric_Moeller.
     //!
     //! Called by OLYMPUS_Detector member Construct() to build the detector.
     //! and place it in the world volume.  This function also creates an
     //! instance of SM_SD, the Symmetric_Moeller sensitive detector class.

     void Build( G4VPhysicalVolume * World_phys );

private:

};

#endif