G4_RICH.C

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4_RICH.C

// $Id: G4_RICH.C,v 1.2 2013/10/09 01:08:17 jinhuang Exp $

using namespace std;

// global macro parameters

void
RICHInit()
{
}

void
RICHSetup(PHG4Reco* g4Reco, //
          const int N_RICH_Sector = 8, //
          const double min_eta = 1.45, //
          const double R_mirror_ref = 195, //cm
          const double z_shift = 75, // cm
          const double R_shift = 18.5 // cm
          )
{

  /* Use dedicated RICH subsystem */
  PHG4RICHSubsystem *rich = new PHG4RICHSubsystem("RICH");
  rich->get_RICH_geometry().set_N_RICH_Sector(N_RICH_Sector);
  rich->get_RICH_geometry().set_min_eta(min_eta);

  //  rich->get_RICH_geometry().set_R_shift(10 * ePHENIXRICH::RICH_Geometry::Unit_cm()); // For compact RICH of 2<Eta<4

  rich->get_RICH_geometry().set_R_mirror_ref(R_mirror_ref * ePHENIXRICH::RICH_Geometry::Unit_cm());

  rich->get_RICH_geometry().set_z_shift(z_shift * ePHENIXRICH::RICH_Geometry::Unit_cm());
  rich->get_RICH_geometry().set_R_shift(R_shift * ePHENIXRICH::RICH_Geometry::Unit_cm());

  /* Register RICH module */
  rich->OverlapCheck( overlapcheck );

  g4Reco->registerSubsystem( rich );

}