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#include <MaterialProperties.h>
Public Member Functions | |
| MaterialProperties (int DebugLevel, double SiAbsLengthScale) | |
| constructor | |
| ~MaterialProperties () | |
| destructor | |
Private Member Functions | |
| void | setMaterialProperties () |
| define optical properties of materials in the detector | |
Private Attributes | |
| const G4MaterialTable * | theMaterialTable |
| int | theMPDebugLevel |
| G4MaterialPropertiesTable * | theMPT |
| double | theSiAbsLengthScalingFactor |
| G4Material * | theTECWafer |
| G4Material * | theTIBWafer |
| G4Material * | theTOBWafer |
Class to define custom material properties
Definition at line 15 of file MaterialProperties.h.
| MaterialProperties::MaterialProperties | ( | int | DebugLevel, |
| double | SiAbsLengthScale | ||
| ) |
constructor
Definition at line 14 of file MaterialProperties.cc.
References g, setMaterialProperties(), theMPDebugLevel, theSiAbsLengthScalingFactor, theTECWafer, theTIBWafer, and theTOBWafer.
: theMaterialTable(), theMPDebugLevel(0), theSiAbsLengthScalingFactor(0), theMPT(), theTECWafer(), theTOBWafer(), theTIBWafer() { theMPDebugLevel = DebugLevel; theSiAbsLengthScalingFactor = SiAbsLengthScale; /* *********************************************************************** */ /* define the materials for the sensitive detectors in TEC, TIB and TOB we need this to specify different properties for Barrel and Endcap detectors, which is by default no longer possible in CMSSW due to the fact that all modules are made out of the same G4Material */ /* *********************************************************************** */ G4double theDensity = 2.33*g/cm3; G4double theAtomicWeight = 28.09*g/mole; G4double theAtomicNumber = 14.0; theTECWafer = new G4Material("TEC_Wafer", theAtomicNumber, theAtomicWeight, theDensity); theTOBWafer = new G4Material("TOB_Wafer", theAtomicNumber, theAtomicWeight, theDensity); theTIBWafer = new G4Material("TIB_Wafer", theAtomicNumber, theAtomicWeight, theDensity); // set the properties of the materials setMaterialProperties(); }
| MaterialProperties::~MaterialProperties | ( | ) |
destructor
Definition at line 42 of file MaterialProperties.cc.
References theMPT, theTECWafer, theTIBWafer, and theTOBWafer.
{
if ( theMPT != 0 ) { delete theMPT; }
if ( theTECWafer != 0 ) { delete theTECWafer; }
if ( theTOBWafer != 0 ) { delete theTOBWafer; }
if ( theTIBWafer != 0 ) { delete theTIBWafer; }
}
| void MaterialProperties::setMaterialProperties | ( | ) | [private] |
define optical properties of materials in the detector
Definition at line 51 of file MaterialProperties.cc.
References gather_cfg::cout, LogDebug, m, theMaterialTable, theMPDebugLevel, theMPT, theTECWafer, theTIBWafer, and theTOBWafer.
Referenced by MaterialProperties().
{
/* *********************************************************************** */
/*
use this function to define material properties (like refraction
index, absorptionlenght and so on) and add them to the
MaterialPropertiesTable. Finally set the MPT to a give Material.
*/
/* *********************************************************************** */
// get the MaterialTable as it is defined in OSCAR (CMSSW now)
theMaterialTable = G4Material::GetMaterialTable();
/* *********************************************************************** */
/*
with the following code one can access the MaterialTable defined in
OSCAR. This contains all the materials needed for the CMS detector,
which are defined in the Geometry and DDD packages. COBRA takes care
of the proper conversion between a DDMaterial and a G4Material.
*/
/* *********************************************************************** */
// if (theMPDebugLevel > 1)
// {
// print the materialtable
LogDebug("SimLaserAlignment:MaterialProperties") << " **** here comes the material table **** "
<< *(G4Material::GetMaterialTable());
// }
// define the MateriapropertiesTable for the Sensitive Regions in the Tracker
// TOB_Wafer, TOB_Silicon, TID_Wafer, TIB_Wafer and TEC_Wafer
const G4int nEntries = 3;
// Photon energies
G4double PhotonEnergy[nEntries] = { 1.10 * eV, 1.15 * eV, 1.20 * eV };
// scintillation
G4double Scintillation[nEntries] = { 0.1, 1.0, 0.1 };
// Refractive Index
G4double RefractiveIndex[nEntries] = { 3.5400, 3.5425, 3.5450 };
// Refractive Index of the Mirrors (BK7)
G4double RefractiveIndexMirror[nEntries] = { 1.50669, 1.50669, 1.50669 };
/* *********************************************************************** */
/* set the refractive index for the other materials to 1.0. This is *
* needed to propagate the optical photons through the detector according *
* to Peter Gumplinger. */
/* *********************************************************************** */
G4double RefractiveIndexGeneral[nEntries] = { 1.0, 1.0, 1.0 };
// Absorption Length
// G4double AbsorptionLengthSi[nEntries] = { 198.8 * micrometer, 198.8 * micrometer, 198.8 * micrometer }; ///////////////////////////////////
G4double AbsorptionLengthSi[nEntries] = { 1136 * micrometer, 1136 * micrometer, 1136 * micrometer };
G4double AbsorptionLengthSiBarrel[nEntries] = { 0.1 * fermi,
0.1 * fermi,
0.1 * fermi };
// Absorption length of the mirrors
G4double AbsorptionLengthMirror[nEntries] = { 11.7 * cm, 0.5 * 11.7 * cm, 11.7 * cm };
// Absorption Length for dead material in the tracker; set to small values
// to kill the optical photons outside the TEC. Maybe this is later a problem
// when implementing Ray 1 to connect both TECs which eachother and with TIB
// and TOB!??
G4double AbsorptionLengthDead[nEntries] = { 0.001 * micrometer, 0.001 * micrometer,
0.001 * micrometer };
// Absorption Length of the other Materials in the Tracker
G4double AbsorptionLengthGeneral[nEntries] = { 75 * cm, 75 * cm, 75 * cm };
// Absorption Length of the Air in the Tracker
G4double AbsorptionLengthTAir[nEntries] = { 10 * m, 1.8 * m, 10 * m };
G4double AbsorptionLengthAl[nEntries] = { 10 * mm, 10 * mm, 10 * mm};
G4double AbsorptionLengthTOB_CF_Str[nEntries] = { 1 * cm, 10 * cm, 1 * cm };
G4double AbsorptionLengthTOBCF[nEntries] = { 0.1 * mm, 20 * mm, 0.1 * mm };
G4double AbsorptionLengthTIBCF[nEntries] = { 15.0 * cm, 15.0 * cm, 15.0 * cm };
// Reflectivity of the modules
G4double SiReflectivity[nEntries] = { 0.0, 0.0, 0.0 };
// Efficiency of the modules
G4double TECEfficiency[nEntries] = { 0.9, 0.9, 0.9 };
G4double BarrelEfficiency[nEntries] = { 1.0, 1.0, 1.0 };
// Reflectivity of the mirrors in the Alignment Tubes
G4double Reflectivity[nEntries] = { 0.05, 0.05, 0.05 };
/* *********************************************************************** */
/* *********************************************************************** */
/*
define the materials for the sensitive detectors in TEC, TIB and TOB
we need this to specify different properties for Barrel and Endcap
detectors, which is by default no longer possible in CMSSW due to
the fact that all modules are made out of the same G4Material
*/
/* *********************************************************************** */
// set the options for the materials
{
for(G4MaterialTable::const_iterator theMTEntry = theMaterialTable->begin();
theMTEntry != theMaterialTable->end(); theMTEntry++)
{
if(*theMTEntry)
{
G4Material * theMaterial = const_cast<G4Material*>(*theMTEntry);
if (theMaterial->GetMaterialPropertiesTable())
{
theMPT = theMaterial->GetMaterialPropertiesTable();
}
else
{
theMPT = new G4MaterialPropertiesTable;
}
// properties of the TEC_Wafer
if ( theMaterial->GetName() == "TEC_Wafer" )
{
theMPT->AddProperty("FASTCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("SLOWCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex, nEntries);
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthSi, nEntries);
theMPT->AddProperty("EFFICIENCY", PhotonEnergy, TECEfficiency, nEntries);
theMPT->AddConstProperty("SCINTILLATIONYIELD", 12000.0/MeV);
theMPT->AddConstProperty("RESOLTUIONSCALE", 1.0);
theMPT->AddConstProperty("FASTTIMECONSTANT", 20.0 * ns);
theMPT->AddConstProperty("SLOWTIMECONSTANT", 45.0 * ns);
theMPT->AddConstProperty("YIELDRATIO", 1.0);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of Silicon (used as Module Material in CMSSW)
else if ( theMaterial->GetName() == "Silicon" )
{
theMPT->AddProperty("FASTCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("SLOWCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex, nEntries);
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthSi, nEntries);
theMPT->AddProperty("EFFICIENCY", PhotonEnergy, TECEfficiency, nEntries);
theMPT->AddConstProperty("SCINTILLATIONYIELD", 12000.0/MeV);
theMPT->AddConstProperty("RESOLTUIONSCALE", 1.0);
theMPT->AddConstProperty("FASTTIMECONSTANT", 20.0 * ns);
theMPT->AddConstProperty("SLOWTIMECONSTANT", 45.0 * ns);
theMPT->AddConstProperty("YIELDRATIO", 1.0);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of the TOB_Wafer, TOB_Silicon, TIB_Wafer
else if ( ( theMaterial->GetName() == "TOB_Wafer" ) ||
( theMaterial->GetName() == "TIB_Wafer" ) )
{
theMPT->AddProperty("FASTCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("SLOWCOMPONENT", PhotonEnergy, Scintillation, nEntries);
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndex, nEntries);
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthSiBarrel, nEntries);
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
theMPT->AddProperty("EFFICIENCY", PhotonEnergy, BarrelEfficiency, nEntries);
theMPT->AddConstProperty("SCINTILLATIONYIELD", 12000.0/MeV);
theMPT->AddConstProperty("RESOLTUIONSCALE", 1.0);
theMPT->AddConstProperty("FASTTIMECONSTANT", 20.0 * ns);
theMPT->AddConstProperty("SLOWTIMECONSTANT", 45.0 * ns);
theMPT->AddConstProperty("YIELDRATIO", 1.0);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of the TIB_ledge_side
else if ( theMaterial->GetName() == "TIB_ledge_side" )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthGeneral, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of air
else if ( ( theMaterial->GetName() == "T_Air" ) ||
( theMaterial->GetName() == "Air" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthTAir, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of some materials in the Barrel
// used to absorb photons to avoid hits in other TEC
else if ( ( theMaterial->GetName() == "TIB_connector" ) ||
( theMaterial->GetName() == "TIB_cylinder" ) ||
( theMaterial->GetName() == "TID_Connector" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthDead, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of SiO2; used for the mirrors of the Alignment Tubes
else if ( theMaterial->GetName() == "Si O_2" )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy,RefractiveIndexMirror, nEntries);
//set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthMirror, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY",PhotonEnergy,Reflectivity, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of Aluminium
else if ( ( theMaterial->GetName() == "TOB_Aluminium" ) ||
( theMaterial->GetName() == "Aluminium" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthAl, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of TOB_CF_Str
else if ( ( theMaterial->GetName() == "TOB_CF_Str" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthTOB_CF_Str, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// some other Tracker materials
else if ( ( theMaterial->GetName() == "TID_CF" ) ||
( theMaterial->GetName() == "Nomex" ) ||
( theMaterial->GetName() == "TOB_Nomex" ) ||
( theMaterial->GetName() == "TID_Nomex" ) ||
( theMaterial->GetName() == "TOB_plate_C" ) ||
( theMaterial->GetName() == "TOB_rod" ) ||
( theMaterial->GetName() == "TOB_cool_DS" ) ||
( theMaterial->GetName() == "TOB_cool_SS" ) ||
( theMaterial->GetName() == "TID_in_cable" ) ||
( theMaterial->GetName() == "TOB_PA_rphi" ) ||
( theMaterial->GetName() == "TOB_frame_ele" ) ||
( theMaterial->GetName() == "TOB_PA_ster" ) ||
( theMaterial->GetName() == "TOB_ICB" ) ||
( theMaterial->GetName() == "TOB_CONN1" ) ||
( theMaterial->GetName() == "TOB_CONN2" ) ||
( theMaterial->GetName() == "TOB_CONN3" ) ||
( theMaterial->GetName() == "TOB_rail" ) ||
( theMaterial->GetName() == "TOB_sid_rail1" ) ||
( theMaterial->GetName() == "TOB_sid_rail2" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthTOBCF, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of some TIB materials
else if ( ( theMaterial->GetName() == "TIB_CF" ) ||
( theMaterial->GetName() == "TIB_cables_ax_out" ) ||
( theMaterial->GetName() == "TIB_outer_supp" ) ||
( theMaterial->GetName() == "TIB_PA_rphi" ) ||
( theMaterial->GetName() == "TIB_rail" ) ||
( theMaterial->GetName() == "TIB_sid_rail1" ) ||
( theMaterial->GetName() == "TIB_sid_rail2" ) ||
( theMaterial->GetName() == "TIB_mod_cool" ) )
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the reflectivity
theMPT->AddProperty("REFLECTIVITY", PhotonEnergy, SiReflectivity, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthTIBCF, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
// properties of all other materials in the detector
else
{
// set the refractive index
theMPT->AddProperty("RINDEX", PhotonEnergy, RefractiveIndexGeneral, nEntries);
// set the absorptionlength
theMPT->AddProperty("ABSLENGTH", PhotonEnergy, AbsorptionLengthGeneral, nEntries);
// set the MaterialPropertiesTable
theMaterial->SetMaterialPropertiesTable(theMPT);
}
}
}
}
// loop over the logical volumes and set the material for the sensitive detectors
const G4LogicalVolumeStore * theLogicalVolumeStore = G4LogicalVolumeStore::GetInstance();
std::vector<G4LogicalVolume*>::const_iterator theLogicalVolume;
for ( theLogicalVolume = theLogicalVolumeStore->begin(); theLogicalVolume != theLogicalVolumeStore->end(); theLogicalVolume++ )
{
if ( ( (*theLogicalVolume)->GetName() == "TECModule0StereoActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule0RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule1StereoActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule1RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule2RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule3RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule4StereoActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule4RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule5RphiActive" ) ||
( (*theLogicalVolume)->GetName() == "TECModule6RphiActive" ) )
{
// set the material
(*theLogicalVolume)->SetMaterial(theTECWafer);
if (theMPDebugLevel > 2)
{
std::cout << " AC1CMS: found a logical volume: " << (*theLogicalVolume)->GetName() << std::endl;
std::cout << " AC1CMS: the logical volume material = " << (*theLogicalVolume)->GetMaterial()->GetName() << std::endl;
std::cout << " AC1CMS: the MaterialPropertiesTable = " << std::endl;
(*theLogicalVolume)->GetMaterial()->GetMaterialPropertiesTable()->DumpTable();
}
}
else if ( ( (*theLogicalVolume)->GetName() == "TOBActiveSter0" ) ||
( (*theLogicalVolume)->GetName() == "TOBActiveRphi0" ) ||
( (*theLogicalVolume)->GetName() == "TOBActiveRphi2" ) ||
( (*theLogicalVolume)->GetName() == "TOBActiveRphi4" ) )
{
// set the material
(*theLogicalVolume)->SetMaterial(theTOBWafer);
if (theMPDebugLevel > 2)
{
std::cout << " AC1CMS: found a logical volume: " << (*theLogicalVolume)->GetName() << std::endl;
std::cout << " AC1CMS: the logical volume material = " << (*theLogicalVolume)->GetMaterial()->GetName() << std::endl;
std::cout << " AC1CMS: the MaterialPropertiesTable = " << std::endl;
(*theLogicalVolume)->GetMaterial()->GetMaterialPropertiesTable()->DumpTable();
}
}
else if ( ( (*theLogicalVolume)->GetName() == "TIBActiveSter0" ) ||
( (*theLogicalVolume)->GetName() == "TIBActiveRphi0" ) ||
( (*theLogicalVolume)->GetName() == "TIBActiveRphi2" ) )
{
// set the material
(*theLogicalVolume)->SetMaterial(theTIBWafer);
if (theMPDebugLevel > 2)
{
std::cout << " AC1CMS: found a logical volume: " << (*theLogicalVolume)->GetName() << std::endl;
std::cout << " AC1CMS: the logical volume material = " << (*theLogicalVolume)->GetMaterial()->GetName() << std::endl;
std::cout << " AC1CMS: the MaterialPropertiesTable = " << std::endl;
(*theLogicalVolume)->GetMaterial()->GetMaterialPropertiesTable()->DumpTable();
}
}
}
}
const G4MaterialTable* MaterialProperties::theMaterialTable [private] |
Definition at line 28 of file MaterialProperties.h.
Referenced by setMaterialProperties().
int MaterialProperties::theMPDebugLevel [private] |
Definition at line 31 of file MaterialProperties.h.
Referenced by MaterialProperties(), and setMaterialProperties().
G4MaterialPropertiesTable* MaterialProperties::theMPT [private] |
Definition at line 33 of file MaterialProperties.h.
Referenced by setMaterialProperties(), and ~MaterialProperties().
double MaterialProperties::theSiAbsLengthScalingFactor [private] |
Definition at line 32 of file MaterialProperties.h.
Referenced by MaterialProperties().
G4Material* MaterialProperties::theTECWafer [private] |
Definition at line 34 of file MaterialProperties.h.
Referenced by MaterialProperties(), setMaterialProperties(), and ~MaterialProperties().
G4Material* MaterialProperties::theTIBWafer [private] |
Definition at line 36 of file MaterialProperties.h.
Referenced by MaterialProperties(), setMaterialProperties(), and ~MaterialProperties().
G4Material* MaterialProperties::theTOBWafer [private] |
Definition at line 35 of file MaterialProperties.h.
Referenced by MaterialProperties(), setMaterialProperties(), and ~MaterialProperties().
1.7.3