AliInfo("Start MFT materials");
- //---------------------- Materials and Mixtures ----------------------------------------------------------------------------------------------------
-
- // data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm]
-
- Float_t aSi = 28.085 , zSi = 14. , dSi = 2.329 , radSi = 21.82/dSi , absSi = 108.4/dSi ; // Silicon
- Float_t aCarb = 12.01 , zCarb = 6. , dCarb = 2.265 , radCarb = 18.8 , absCarb = 49.9 ; // Carbon
- Float_t aAlu = 26.98 , zAlu = 13. , dAlu = 2.70 , radAlu = 8.897 , absAlu = 39.70 ; // Aluminum
-
- const Int_t nAir = 4;
- const Int_t nWater = 2;
- const Int_t nSiO2 = 2;
-
- Float_t aAir[nAir] = {12,14,16,40} , zAir[nAir] = {6,7,8,18} , wAir[nAir] = {0.000124,0.755267,0.231781,0.012827} , dAir=0.00120479; // Air mixture
- Float_t aWater[nWater] = {1.00794,15.9994} , zWater[nWater] = {1,8} , wWater[nWater] = {0.111894,0.888106} , dWater=1.; // Water mixture
- Float_t aSiO2[nSiO2] = {15.9994,28.0855} , zSiO2[nSiO2] = {8.,14.} , wSiO2[nSiO2] = {0.532565,0.467435} , dSiO2=2.20; // SiO2 mixture
-
- //---------------------------------------------------------------------------------------------------------------------------------------------------
-
+ // data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm]
+ Float_t aSi = 28.085 , zSi = 14. , dSi = 2.329 , radSi = 21.82/dSi , absSi = 108.4/dSi ; // Silicon
+ Float_t aCarb = 12.01 , zCarb = 6. , dCarb = 2.265 , radCarb = 18.8 , absCarb = 49.9 ; // Carbon
+ Float_t aAlu = 26.98 , zAlu = 13. , dAlu = 2.70 , radAlu = 8.897 , absAlu = 39.70 ; // Aluminum
+
+ // Air mixture
+ const Int_t nAir = 4;
+ Float_t aAir[nAir] = {12, 14, 16, 36} , zAir[nAir] = {6, 7, 8, 18} , wAir[nAir]={0.000124, 0.755267, 0.231781, 0.012827} , dAir=0.00120479;
+
+ // Water mixture
+ const Int_t nWater = 2;
+ Float_t aWater[nWater] = {1.00794, 15.9994} , zWater[nWater] = {1, 8} , wWater[nWater] = {0.111894, 0.888106} , dWater=1.;
+
+ // SiO2 mixture
+ const Int_t nSiO2 = 2;
+ Float_t aSiO2[nSiO2] = {15.9994, 28.0855} , zSiO2[nSiO2] = {8., 14.} , wSiO2[nSiO2] = {0.532565, 0.467435} , dSiO2 = 2.20;
+
+ // Inox mixture
+ const Int_t nInox = 9;
+ Float_t aInox[nInox] = {12.0107, 54.9380, 28.0855, 30.9738, 32.0660, 58.6928, 51.9961, 95.9400, 55.8450} ;
+ Float_t zInox[nInox] = { 6, 25, 14, 15, 16, 28, 24, 42, 26 } ;
+ Float_t wInox[nInox] = {0.0003, 0.02, 0.01, 0.00045, 0.0003, 0.12, 0.17, 0.025, 0.65395} ;
+ Float_t dInox = 8.03;
+
Int_t matId = 0; // tmp material id number
Int_t unsens = 0, sens=1; // sensitive or unsensitive medium
Int_t itgfld = 3; // type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z
Float_t epsil = 0.001; // tracking precision [cm]
Float_t stmin = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically)
- Float_t tmaxfdSi = 0.1; // max deflection angle due to magnetic field in one step
- Float_t stemaxSi = 5.0e-4; // maximum step allowed [cm]
- Float_t deemaxSi = 0.1; // maximum fractional energy loss in one step 0<deemax<=1
- Float_t epsilSi = 0.5e-4; // tracking precision [cm]
+ Float_t tmaxfdSi = 0.1; // max deflection angle due to magnetic field in one step
+ Float_t stemaxSi = 5.0e-4; // maximum step allowed [cm]
+ Float_t deemaxSi = 0.1; // maximum fractional energy loss in one step 0<deemax<=1
+ Float_t epsilSi = 0.5e-4; // tracking precision [cm]
Float_t stminSi = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically)
Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx
Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx
- AliMixture(++matId,"Air", aAir, zAir, dAir, nAir, wAir);
+ AliMixture(++matId,"Air", aAir, zAir, dAir, nAir, wAir);
AliMedium(kAir, "Air", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
- AliMaterial(++matId, "Si", aSi, zSi, dSi, radSi, absSi );
+ AliMaterial(++matId, "Si", aSi, zSi, dSi, radSi, absSi);
AliMedium(kSi, "Si", matId, sens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
- AliMaterial(++matId, "Readout", aSi, zSi, dSi, radSi, absSi );
+ AliMaterial(++matId, "Readout", aSi, zSi, dSi, radSi, absSi);
AliMedium(kReadout, "Readout", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
- AliMaterial(++matId, "Support", aSi, zSi, dSi*fDensitySupportOverSi, radSi/fDensitySupportOverSi, absSi/fDensitySupportOverSi);
- AliMedium(kSupport, "Support", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
+ AliMaterial(++matId, "Support", aSi, zSi, dSi*fDensitySupportOverSi, radSi/fDensitySupportOverSi, absSi/fDensitySupportOverSi);
+ AliMedium(kSupport, "Support", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
- AliMaterial(++matId, "Carbon", aCarb, zCarb, dCarb, radCarb, absCarb );
- AliMedium(kCarbon, "Carbon", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMaterial(++matId, "Carbon", aCarb, zCarb, dCarb, radCarb, absCarb );
+ AliMedium(kCarbon, "Carbon", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMaterial(++matId, "Alu", aAlu, zAlu, dAlu, radAlu, absAlu );
- AliMedium(kAlu, "Alu", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMaterial(++matId, "Alu", aAlu, zAlu, dAlu, radAlu, absAlu);
+ AliMedium(kAlu, "Alu", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMixture(++matId,"Water", aWater, zWater, dWater, nWater, wWater);
- AliMedium(kWater, "Water", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMixture(++matId, "Water", aWater, zWater, dWater, nWater, wWater);
+ AliMedium(kWater, "Water", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
- AliMixture(++matId,"SiO2", aSiO2, zSiO2, dSiO2, nSiO2, wSiO2);
+ AliMixture(++matId, "SiO2", aSiO2, zSiO2, dSiO2, nSiO2, wSiO2);
AliMedium(kSiO2, "SiO2", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMixture(++matId, "Inox", aInox, zInox, dInox, nInox, wInox);
+ AliMedium(kInox, "Inox", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
AliInfo("End MFT materials");
detElemNumber.Remove(0,19);
planeNumber.Remove(2);
detElemNumber.Remove(3);
- Int_t detElemID = fSegmentation->GetDetElemID(planeNumber.Atoi(), detElemNumber.Atoi());
+ Int_t detElemID = fSegmentation->GetDetElemGlobalID(planeNumber.Atoi(), detElemNumber.Atoi());
if (gMC->IsTrackExiting()) {
AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kMFT);
hit.SetMomentum(momentum);
hit.SetStatus(status);
hit.SetEloss(gMC->Edep());
+ // hit.SetShunt(GetIshunt());
+// if (gMC->IsTrackEntering()) {
+// hit.SetStartPosition(position);
+// hit.SetStartTime(gMC->TrackTime());
+// hit.SetStartStatus(status);
+// return; // don't save entering hit.
+// }
// Fill hit structure with this new hit.
new ((*fHits)[fNhits++]) AliMFTHit(hit);
+ // Save old position... for next hit.
+// hit.SetStartPosition(position);
+// hit.SetStartTime(gMC->TrackTime());
+// hit.SetStartStatus(status);
+
return;
}
TGeoMedium *silicon = gGeoManager->GetMedium("MFT_Si");
TGeoMedium *readout = gGeoManager->GetMedium("MFT_Readout");
TGeoMedium *support = gGeoManager->GetMedium("MFT_Support");
- TGeoMedium *carbon = gGeoManager->GetMedium("MFT_Carbon");
- TGeoMedium *alu = gGeoManager->GetMedium("MFT_Alu");
- TGeoMedium *water = gGeoManager->GetMedium("MFT_Water");
- TGeoMedium *si02 = gGeoManager->GetMedium("MFT_SiO2");
-
- // ---- Cage & Services Description --------------------------------------------------------------------
+ TGeoMedium *carbon = gGeoManager->GetMedium("MFT_Carbon");
+ TGeoMedium *alu = gGeoManager->GetMedium("MFT_Alu");
+ TGeoMedium *water = gGeoManager->GetMedium("MFT_Water");
+ TGeoMedium *si02 = gGeoManager->GetMedium("MFT_SiO2");
+ TGeoMedium *inox = gGeoManager->GetMedium("MFT_Inox");
+ // ---- Cage & Services Description --------------------------------------------
// R. Tieulent - 17/01/2014 - Basic description for ITS/TPC matching studies
+ // -----------------------------------------------------------------------------
TGeoVolumeAssembly *cageNservices = new TGeoVolumeAssembly("MFT_cageNservices");
// cage definition
- Float_t cage_dz = 150./2.;
- Float_t cage_rMin = 50.;
- Float_t cage_rMax = cage_rMin + 0.188; // 1% of X0 for Carbon
+ Float_t cageDz = 150./2.;
+ Float_t cageRMax = 49.5;
+ Float_t cageRMin = cageRMax - 0.120; // 0.64% of X0
- TGeoVolume *cage = gGeoManager->MakeTube("MFT_cage", carbon, cage_rMin, cage_rMax, cage_dz);
+ TGeoVolume *cage = gGeoManager->MakeTube("MFT_cage", carbon, cageRMin, cageRMax, cageDz);
+ cage->SetLineColor(kBlue);
+
cageNservices->AddNode(cage,1,new TGeoTranslation(0., 0., 0. ));
// Services definition
TGeoVolumeAssembly *services = new TGeoVolumeAssembly("MFT_services");
// Aluminum bus-Bar
- Float_t busBar_dz = 150.;
- Float_t busBar_thick = 0.1 ;
- Float_t busBar_large = 1.;
+ Float_t busBarDz = 150.;
+ Float_t busBarThick = 0.1 ;
+ Float_t busBarWidth = 1.;
- TGeoVolume *aluBusBar = gGeoManager->MakeBox("MFT_busBar", alu, busBar_large/2., busBar_thick/2., busBar_dz/2.);
+ TGeoVolume *aluBusBar = gGeoManager->MakeBox("MFT_busbar", alu, busBarWidth/2., busBarThick/2., busBarDz/2.);
+ aluBusBar->SetLineColor(kYellow);
Int_t nBusBar = 30;
- Float_t dPhi_busBar = 2.*TMath::Pi() / nBusBar;
- Float_t dShift = cage_rMin - busBar_thick/2.;
+ Float_t dPhiBusBar = 2.*TMath::Pi() / nBusBar;
+ Float_t dShift = cageRMin - busBarThick;
- TGeoRotation *rot = 0;
+ TGeoRotation *rot;
for (Int_t iBusBar=0; iBusBar<nBusBar; iBusBar++) {
- Float_t phi = dPhi_busBar*iBusBar;
- Float_t xp = dShift*TMath::Cos(phi);
- Float_t yp = dShift*TMath::Sin(phi);
+ Float_t phi = dPhiBusBar*iBusBar;
+ Float_t xp = dShift*TMath::Cos(phi);
+ Float_t yp = dShift*TMath::Sin(phi);
rot = new TGeoRotation();
- rot -> RotateZ(phi*TMath::RadToDeg()+90.);
- services -> AddNode(aluBusBar,iBusBar+1,new TGeoCombiTrans(xp,yp,0,rot));
+ rot->RotateZ(phi*TMath::RadToDeg()+90.);
+ services->AddNode(aluBusBar, iBusBar+1, new TGeoCombiTrans(xp,yp,0,rot));
}
- // Cooling Water Pipes
- Float_t cooling_dz = 150.;
- Float_t cooling_r = 0.3/2. ; // 3mm in diameter
+ // Cooling Services definition
+ TGeoVolumeAssembly *cooling = new TGeoVolumeAssembly("MFT_cooling");
+ // Cooling Water
+ Float_t coolingDz = 150.;
+ Float_t coolingR = 0.3 /2. ; // 3mm in diameter
+ Float_t coolingDR = 0.02 ; // Thickness of the pipe 0.2mm
- TGeoVolume *cooling = gGeoManager->MakeTube("MFT_cooling", water, 0., cooling_r, cooling_dz/2.);
+ TGeoVolume *coolingWater = gGeoManager->MakeTube("MFT_coolingWater", water, 0., coolingR, coolingDz/2.);
+ coolingWater->SetLineColor(kCyan);
+ cooling->AddNode(coolingWater, 1, new TGeoTranslation(0,0,0 ));
+
+ // Cooling Pipes
+ TGeoVolume *coolingPipes = gGeoManager->MakeTube("MFT_coolingPipes", inox, coolingR, coolingR+coolingDR, coolingDz/2.);
+ coolingPipes->SetLineColor(kGray);
+ cooling->AddNode(coolingPipes,1,new TGeoTranslation(0,0,0 ));
Int_t nCooling = 18;
- dShift = cage_rMin - cooling_r ;
+ dShift = cageRMin - coolingR ;
Float_t phi0 = 0.02;
for (Int_t iCooling=0; iCooling<nCooling; iCooling++) {
- Float_t phi;
- if (iCooling < nCooling/2) phi = dPhi_busBar*(iCooling+3) + phi0;
- else phi = dPhi_busBar*(iCooling+9) + phi0;
+ Float_t phi ;
+ if (iCooling<nCooling/2) phi = dPhiBusBar*(iCooling+3) + phi0;
+ else phi = dPhiBusBar*(iCooling+9) + phi0;
Float_t xp = dShift*TMath::Cos(phi);
Float_t yp = dShift*TMath::Sin(phi);
- services -> AddNode(cooling,iCooling+1,new TGeoTranslation(xp,yp,0 ));
+ services->AddNode(cooling, iCooling+1, new TGeoTranslation(xp,yp,0 ));
}
// Optical Fibers
- Float_t fiber_dz = 150.;
- Float_t fiber_r = 0.0125/2. ; // 0.125mm in diameter
-
- TGeoVolume *fiber = gGeoManager->MakeTube("MFT_fiber", si02, 0., fiber_r, fiber_dz/2.);
+ Float_t fiberDz = 150.;
+ Float_t fiberRadius = 0.0125 /2. ; // 0.125mm in diameter
+ TGeoVolume *fiber = gGeoManager->MakeTube("MFT_fiber", si02, 0., fiberRadius, fiberDz/2.);
+ fiber->SetLineColor(kCyan);
+
Int_t nFiber = 340;
- dShift = cage_rMin - fiber_r - cooling_r;
+ dShift = cageRMin - 2*fiberRadius;
phi0 = 0.03;
for (Int_t iFiber=0; iFiber<nFiber; iFiber++) {
- Float_t phi = dPhi_busBar*(Int_t)(iFiber/11+1) - phi0-(iFiber%11)*2.*TMath::ATan(fiber_r/dShift);
+ Float_t phi = dPhiBusBar*(Int_t)(iFiber/11) - phi0-(iFiber%11)*2.*TMath::ATan(fiberRadius/dShift);
Float_t xp = dShift*TMath::Cos(phi);
Float_t yp = dShift*TMath::Sin(phi);
- services->AddNode(fiber,iFiber+1,new TGeoTranslation(xp,yp,0 ));
+ services->AddNode(fiber, iFiber+1, new TGeoTranslation(xp,yp,0 ));
}
- cageNservices->AddNode(services,1,new TGeoTranslation(0., 0., 0. ));
-
+ cageNservices->AddNode(services, 1, new TGeoTranslation(0., 0., 0. ));
+
vol->AddNode(cageNservices,1,new TGeoTranslation(0., 0., 0. ));
- // ---------------- Planes description ------------------------------------------------------------------
+ // ------------------- Creating volumes for MFT planes --------------------------------
Double_t origin[3] = {0};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff