#include <TVector.h>
#include <TGeometry.h>
#include <TNode.h>
-#include <TObjectTable.h>
#include <TBRIK.h>
#include <TPGON.h>
-#include "GParticle.h"
#include "AliTRD.h"
#include "AliRun.h"
-#include <iostream.h>
-#include <fstream.h>
-#include "TGeant3.h"
+#include "AliMC.h"
+#include "AliConst.h"
ClassImp(AliTRD)
//
// Default constructor
//
- fIshunt = 0;
+ fIshunt = 0;
+ fGasMix = 0;
+ fSensSelect = 0;
+ fSensPlane = 0;
+ fSensChamber = 0;
+ fSensSector = 0;
}
//_____________________________________________________________________________
fHits = new TClonesArray("AliTRDhit", 405);
- fIshunt = 0;
+ fIshunt = 0;
+ fGasMix = 0;
+ fSensSelect = 0;
+ fSensPlane = 0;
+ fSensChamber = 0;
+ fSensSector = 0;
SetMarkerColor(kWhite);
}
TNode *Node, *Top;
TPGON *pgon;
const Int_t kColorTRD = 46;
- //
+
// Find the top node alice
Top=gAlice->GetGeometry()->GetNode("alice");
- //
- pgon = new TPGON("S_TRD","TRD","void",0,360,18,2);
- pgon->DefineSection(0,-351.2,285.335,355.686);
- pgon->DefineSection(1, 351.2,285.335,355.686);
+
+ pgon = new TPGON("S_TRD","TRD","void",0,360,nsect,4);
+ Float_t ff = TMath::Cos(kDegrad * 180 / nsect);
+ Float_t rrmin = rmin / ff;
+ Float_t rrmax = rmax / ff;
+ pgon->DefineSection(0,-zmax1,rrmax,rrmax);
+ pgon->DefineSection(1,-zmax2,rrmin,rrmax);
+ pgon->DefineSection(2, zmax2,rrmin,rrmax);
+ pgon->DefineSection(3, zmax1,rrmax,rrmax);
Top->cd();
Node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
Node->SetLineColor(kColorTRD);
fNodes->Add(Node);
+
}
//_____________________________________________________________________________
void AliTRD::CreateMaterials()
{
+
//
// Create the materials for the TRD
// Origin Y.Foka
Int_t ISXFLD = gAlice->Field()->Integ();
Float_t SXMGMX = gAlice->Field()->Max();
- // --- For polyethilene (CH2)
- Float_t ape[2] = { 12.,1. };
- Float_t zpe[2] = { 6.,1. };
- Float_t wpe[2] = { .33,.67 };
- Float_t dpe = .95;
- // --- For mylar (C5H4O2)
- Float_t amy[3] = { 12.,1.,16. };
- Float_t zmy[3] = { 6.,1.,8. };
- Float_t wmy[3] = { 5.,4.,2. };
+ // For polyethilene (CH2)
+ Float_t ape[2] = { 12., 1. };
+ Float_t zpe[2] = { 6., 1. };
+ Float_t wpe[2] = { 1., 2. };
+ Float_t dpe = 0.95;
+
+ // For mylar (C5H4O2)
+ Float_t amy[3] = { 12., 1., 16. };
+ Float_t zmy[3] = { 6., 1., 8. };
+ Float_t wmy[3] = { 5., 4., 2. };
Float_t dmy = 1.39;
- // --- For CO2
- Float_t aco[2] = { 12.,16. };
- Float_t zco[2] = { 6.,8. };
- Float_t wco[2] = { 1.,2. };
- Float_t dco = .001977;
- // --- For Xe/CO2-gas-mixture
- // --- Xe-content of the gas-mixture (90% / 10%)
- Float_t fxe = .9;
+
+ // For CO2
+ Float_t aco[2] = { 12., 16. };
+ Float_t zco[2] = { 6., 8. };
+ Float_t wco[2] = { 1., 2. };
+ Float_t dco = 0.001977;
+
+ // For water
+ Float_t awa[2] = { 1., 16. };
+ Float_t zwa[2] = { 1., 8. };
+ Float_t wwa[2] = { 2., 1. };
+ Float_t dwa = 1.0;
+
+ // For isobutane (C4H10)
+ Float_t ais[2] = { 12., 1. };
+ Float_t zis[2] = { 6., 1. };
+ Float_t wis[2] = { 4., 10. };
+ Float_t dis = 0.00267;
+
+ // For Xe/CO2-gas-mixture
+ // Xe-content of the Xe/CO2-mixture (90% / 10%)
+ Float_t fxc = .90;
+ // Xe-content of the Xe/Isobutane-mixture (97% / 3%)
+ Float_t fxi = .97;
Float_t dxe = .005858;
- // --- General tracking parameter
+ // General tracking parameter
Float_t tmaxfd = -10.;
Float_t stemax = -1e10;
- Float_t deemax = -.1;
- Float_t epsil = 1e-4;
- Float_t stmin = -.001;
+ Float_t deemax = -0.1;
+ Float_t epsil = 1e-4;
+ Float_t stmin = -0.001;
Float_t absl, radl, d, buf[1];
Float_t agm[2], dgm, zgm[2], wgm[2];
- Int_t nbuf;
+ Int_t nbuf;
+ //////////////////////////////////////////////////////////////////////////
// Define Materials
-
- // ***********************************************************************
- AliMaterial(1, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial(2, "Air$", 14.61, 7.3, .001205, 30420., 67500);
- AliMaterial(4, "Xe $", 131.29, 54., dxe, 1447.59, 0);
- AliMaterial(5, "Cu $", 63.54, 29., 8.96, 1.43, 14.8);
- AliMaterial(6, "C $", 12.01, 6., 2.265, 18.8, 74.4);
- // --- Mixtures
- AliMixture(3, "Polyethilene$", ape, zpe, dpe, -2, wpe);
- AliMixture(7, "Mylar$", amy, zmy, dmy, -3, wmy);
- AliMixture(8, "CO2$", aco, zco, dco, -2, wco);
+ //////////////////////////////////////////////////////////////////////////
+
+ AliMaterial( 1, "Al $", 26.98, 13.0, 2.7 , 8.9 , 37.2);
+ AliMaterial( 2, "Air$", 14.61, 7.3, 0.001205, 30420.0 , 67500.0);
+ AliMaterial( 4, "Xe $", 131.29, 54.0, dxe , 1447.59, 0.0);
+ AliMaterial( 5, "Cu $", 63.54, 29.0, 8.96 , 1.43, 14.8);
+ AliMaterial( 6, "C $", 12.01, 6.0, 2.265 , 18.8 , 74.4);
+ AliMaterial(12, "G10$", 20.00, 10.0, 1.7 , 19.4 , 999.0);
+
+ // Mixtures
+ AliMixture(3, "Polyethilene$", ape, zpe, dpe, -2, wpe);
+ AliMixture(7, "Mylar$", amy, zmy, dmy, -3, wmy);
+ AliMixture(8, "CO2$", aco, zco, dco, -2, wco);
+ AliMixture(9, "Isobutane$", ais, zis, dis, -2, wis);
+ AliMixture(13, "Water$" , awa, zwa, dwa, -2, wwa);
+
+ // Gas mixtures
char namate[21];
- // --- Get properties of Xe
+ // Xe/CO2-mixture
+ // Get properties of Xe
pMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // --- Get properties of CO2
+ // Get properties of CO2
pMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // --- Create gas mixture
- wgm[0] = fxe;
- wgm[1] = 1. - fxe;
+ // Create gas mixture
+ wgm[0] = fxc;
+ wgm[1] = 1. - fxc;
dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(9, "Gas mixture$", agm, zgm, dgm, 2, wgm);
- // ***********************************************************************
-
+ AliMixture(10, "Gas mixture 1$", agm, zgm, dgm, 2, wgm);
+ // Xe/Isobutane-mixture
+ // Get properties of Xe
+ pMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
+ // Get properties of Isobutane
+ pMC->Gfmate((*fIdmate)[9], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
+ // Create gas mixture
+ wgm[0] = fxi;
+ wgm[1] = 1. - fxi;
+ dgm = wgm[0] * dxe + wgm[1] * dis;
+ AliMixture(11, "Gas mixture 2$", agm, zgm, dgm, 2, wgm);
+
+ //////////////////////////////////////////////////////////////////////////
// Tracking Media Parameters
-
- // ***********************************************************************
- // --- Al Frame
- AliMedium(1301, "Al Frame$", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Air
- AliMedium(1302, "Air$", 2, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Polyethilene
- AliMedium(1303, "Radiator$", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Xe
- AliMedium(1304, "Xe$", 4, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Cu pads
- AliMedium(1305, "Padplane$", 5, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Fee + cables
- AliMedium(1306, "Readout$", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- C frame
- AliMedium(1307, "C Frame$", 6, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Mylar foils
- AliMedium(1308, "Mylar$", 7, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Gas-mixture
- AliMedium(1309, "Gas-mix$", 9, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Nomex-honeycomb (use carbon for the time being)
- AliMedium(1310, "Nomex$", 6, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Kapton foils (use Mylar for the time being)
- AliMedium(1311, "Kapton$", 7, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Gas-filling of the radiator
- AliMedium(1312, "CO2$", 8, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ //////////////////////////////////////////////////////////////////////////
+
+ // Al Frame
+ AliMedium(1301, "Al Frame$", 1, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Air
+ AliMedium(1302, "Air$", 2, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Polyethilene
+ AliMedium(1303, "Radiator$", 3, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Xe
+ AliMedium(1304, "Xe$", 4, 1, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Cu pads
+ AliMedium(1305, "Padplane$", 5, 1, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Fee + cables
+ AliMedium(1306, "Readout$", 1, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // C frame
+ AliMedium(1307, "C Frame$", 6, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Mylar foils
+ AliMedium(1308, "Mylar$", 7, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ if (fGasMix == 1) {
+ // Gas-mixture (Xe/CO2)
+ AliMedium(1309, "Gas-mix$", 10, 1, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ }
+ else {
+ // Gas-mixture (Xe/Isobutane)
+ AliMedium(1309, "Gas-mix$", 11, 1, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ }
+ // Nomex-honeycomb (use carbon for the time being)
+ AliMedium(1310, "Nomex$", 6, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Kapton foils (use Mylar for the time being)
+ AliMedium(1311, "Kapton$", 7, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Gas-filling of the radiator
+ AliMedium(1312, "CO2$", 8, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // G10-plates
+ AliMedium(1313, "G10-plates$",12, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Cooling water
+ AliMedium(1314, "Water$", 13, 0, ISXFLD, SXMGMX
+ , tmaxfd, stemax, deemax, epsil, stmin);
+
}
//_____________________________________________________________________________
printf(" TRD_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n");
- //
+
// Here the TRD initialisation code (if any!)
+ if (fGasMix == 1)
+ printf(" Gas Mixture: 90%% Xe + 10%% CO2\n");
+ else
+ printf(" Gas Mixture: 97%% Xe + 3%% Isobutane\n");
+ if (fSensPlane)
+ printf(" Only plane %d is sensitive\n",fSensPlane);
+ if (fSensChamber)
+ printf(" Only chamber %d is sensitive\n",fSensChamber);
+ if (fSensSector)
+ printf(" Only sector %d is sensitive\n",fSensSector);
+
for(i=0;i<80;i++) printf("*");
printf("\n");
}
+//_____________________________________________________________________________
+void AliTRD::SetGasMix(Int_t imix = 0)
+{
+
+ if ((imix < 0) || (imix > 1)) {
+ printf("Wrong input value: %d\n",imix);
+ printf("Use standard setting\n");
+ fGasMix = 0;
+ return;
+ }
+
+ fGasMix = imix;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetSensPlane(Int_t iplane = 0)
+{
+
+ if ((iplane < 0) || (iplane > 6)) {
+ printf("Wrong input value: %d\n",iplane);
+ printf("Use standard setting\n");
+ fSensPlane = 0;
+ fSensSelect = 0;
+ return;
+ }
+
+ fSensSelect = 1;
+ fSensPlane = iplane;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetSensChamber(Int_t ichamber = 0)
+{
+
+ if ((ichamber < 0) || (ichamber > 5)) {
+ printf("Wrong input value: %d\n",ichamber);
+ printf("Use standard setting\n");
+ fSensChamber = 0;
+ fSensSelect = 0;
+ return;
+ }
+
+ fSensSelect = 1;
+ fSensChamber = ichamber;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetSensSector(Int_t isector = 0)
+{
+
+ if ((isector < 0) || (isector > 18)) {
+ printf("Wrong input value: %d\n",isector);
+ printf("Use standard setting\n");
+ fSensSector = 0;
+ fSensSelect = 0;
+ return;
+ }
+
+ fSensSelect = 1;
+ fSensSector = isector;
+
+}
+
ClassImp(AliTRDhit)
//_____________________________________________________________________________