TrigMuonDefs.cxx

Go to the documentation of this file.

/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
// Local include(s).
#include "xAODTrigMuon/TrigMuonDefs.h"
 
// System include(s).
#include <cmath>
 
namespace xAOD{
 
namespace L2MuonParameters{
 
 
  ECRegions whichECRegion( const float eta, const float phi ){
      float absEta = std::fabs(eta);
      if( ( 1.3 <= absEta && absEta < 1.45) &&
      ( (0                 <= std::fabs(phi) && std::fabs(phi) < M_PI/48. )     ||
        (M_PI*11./48. <= std::fabs(phi) && std::fabs(phi) < M_PI*13./48. ) ||
        (M_PI*23./48. <= std::fabs(phi) && std::fabs(phi) < M_PI*25./48. ) ||
        (M_PI*35./48. <= std::fabs(phi) && std::fabs(phi) < M_PI*37./48. ) ||
        (M_PI*47./48. <= std::fabs(phi) && std::fabs(phi) < M_PI )
        )
      ) return WeakBFieldA;
      
      else if( ( 1.5 <= absEta && absEta < 1.65 ) &&
           ( (M_PI*3./32.  <= std::fabs(phi) && std::fabs(phi) < M_PI*5./32. ) ||
         (M_PI*11./32. <= std::fabs(phi) && std::fabs(phi) < M_PI*13./32.) ||
         (M_PI*19./32. <= std::fabs(phi) && std::fabs(phi) < M_PI*21./32.) ||
         (M_PI*27./32. <= std::fabs(phi) && std::fabs(phi) < M_PI*29./32.)
         )
           ) return WeakBFieldB;
      
      else return Bulk;
    }
 
}
 
}