* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.5 2000/06/12 19:39:01 morsch
-New structure of beam pipe and heating jacket.
-
-Revision 1.4 2000/04/03 08:13:40 fca
-Introduce extra scope for non ANSI compliant C++ compilers
-
-Revision 1.3 2000/01/18 17:49:56 morsch
-Serious overlap of ABSM with shield corrected
-Small error in ARPB parameters corrected
-
-Revision 1.2 2000/01/13 11:23:59 morsch
-Last layer of Pb outer angle corrected
-
-Revision 1.1 2000/01/12 15:39:30 morsch
-Standard version of ABSO
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <TVirtualMC.h>
+#include <TGeoManager.h>
+#include <TGeoVolume.h>
+#include <TGeoMatrix.h>
+#include <TGeoCompositeShape.h>
+#include <TGeoBBox.h>
+#include <TGeoXtru.h>
+#include <TGeoTube.h>
+#include <TGeoPgon.h>
+#include <TGeoArb8.h>
+#include <TGeoMedium.h>
+
#include "AliABSOv0.h"
-#include "AliRun.h"
#include "AliConst.h"
+#include "AliRun.h"
+#include "AliLog.h"
ClassImp(AliABSOv0)
//
// Standard constructor
//
- SetMarkerColor(7);
- SetMarkerStyle(2);
- SetMarkerSize(0.4);
}
//_____________________________________________________________________________
//
enum {kC=1605, kAl=1608, kFe=1609, kCu=1610, kW=1611, kPb=1612,
- kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616,
- kPolyCH2=1617, kSteel=1609, kInsulation=1613};
+ kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616,
+ kPolyCH2=1617, kSteel=1618, kInsulation=1613, kPolyCc=1619};
Int_t *idtmed = fIdtmed->GetArray()-1599;
Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3];
Float_t dz;
-
#include "ABSOSHILConst.h"
#include "ABSOConst.h"
- Float_t dTube=0.1; // tube thickness
- Float_t dInsu=0.5; // insulation thickness
- Float_t dEnve=0.1; // protective envelope thickness
- Float_t dFree=0.5; // clearance thickness
+//
+// Structure of Tracking Region
+//
+ Float_t dzFe = 25.;
+
+// 3 < theta < 9
+ fNLayers[0] = 5;
+ fMLayers[0][0] = kAir; fZLayers[0][0] = kZAbsStart;
+ fMLayers[0][1] = kC; fZLayers[0][1] = kZAbsCc;
+ fMLayers[0][2] = kConcrete; fZLayers[0][2] = kZRear - kDRear - dzFe;
+ fMLayers[0][3] = kSteel; fZLayers[0][3] = kZRear - kDRear;
+ fMLayers[0][4] = kSteel; fZLayers[0][4] = kZRear;
+// 2 < theta < 3
+ fNLayers[1] = 6;
+
+ fMLayers[1][0] = kAir ; fZLayers[1][0] = fZLayers[0][0] - 10.;
+ fMLayers[1][1] = kAl ; fZLayers[1][1] = fZLayers[0][0];
+ fMLayers[1][2] = fMLayers[0][1]; fZLayers[1][2] = fZLayers[0][1];
+ fMLayers[1][3] = fMLayers[0][2]; fZLayers[1][3] = fZLayers[0][2];
+ fMLayers[1][4] = fMLayers[0][3]; fZLayers[1][4] = fZLayers[0][3];
+ fMLayers[1][5] = kNiCuW; fZLayers[1][5] = fZLayers[0][4];
+//
+
+ Float_t dTube = 0.1; // tube thickness
+ Float_t dInsu = 0.5; // insulation thickness
+ Float_t dEnve = 0.1; // protective envelope thickness
// Mother volume and outer shielding: Pb
par[1] = 360.;
par[2] = 7.;
- par[3] = -(zRear-zAbsStart)/2.;
- par[4] = rAbs;
- par[5] = zAbsStart * TMath::Tan(theta1);
-
- par[6] = par[3]+(zNose-zAbsStart);
- par[7] = rAbs;
- par[8] = zNose * TMath::Tan(theta1);
-
- par[9] = par[3]+(zConeTPC-zAbsStart);
- par[10] = rAbs;
- par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(theta2);
-
- par[12] = par[3]+(zOpen-zAbsStart);
- par[13] = rAbs;
- par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(accMax);
-
- par[15] = par[3]+(zRear-dRear-zAbsStart);
- par[16] = rAbs + (par[15] - par[12]) * TMath::Tan(thetaOpen1) ;
- par[17] = par[14] + (par[15] - par[12]) * TMath::Tan(accMax);
-
- par[18] = par[3]+(zRear-dRear-zAbsStart);
- par[19] = (zRear-dRear) * TMath::Tan(accMin);
- par[20] = par[14] + (par[18] - par[12]) * TMath::Tan(accMax);
-
- par[21] = -par[3];
- par[22] = zRear* TMath::Tan(accMin);
- par[23] = par[20] + (par[21] - par[18]) * TMath::Tan(accMax);
- gMC->Gsvolu("ABSS", "PCON", idtmed[kPb], par, 24);
- { // Begin local scope for i
- for (Int_t i=4; i<18; i+=3) par[i] = 0;
- } // End local scope for i
+ par[21] = (kZRear - kZAbsStart) / 2.;
+ par[22] = kRAbs;
+ par[23] = kZAbsStart * TMath::Tan(kTheta1);
+
+ par[18] = par[21] - (kZNose - kZAbsStart);
+ par[19] = kRAbs;
+ par[20] = kZNose * TMath::Tan(kTheta1);
+
+ par[15] = par[21] - (kZConeTPC - kZAbsStart);
+ par[16] = kRAbs;
+ par[17] = par[20] - (par[15] - par[18]) * TMath::Tan(kTheta2);
+
+ par[12] = par[21] - (kZOpen - kZAbsStart);
+ par[13] = kRAbs;
+ par[14] = par[17] - (par[12] - par[15]) * TMath::Tan(kAccMax);
+
+ par[9] = par[21] - (kZRear - kDRear - kZAbsStart);
+ par[10] = kRAbs - (par[9] - par[12]) * TMath::Tan(kThetaOpen1) ;
+ par[11] = par[14] - (par[9] - par[12]) * TMath::Tan(kAccMax);
+
+ par[6] = par[21] - (kZRear - kDRear - kZAbsStart);
+ par[7] = (kZRear - kDRear) * TMath::Tan(kAccMin);
+ par[8] = par[14] - (par[6] - par[12]) * TMath::Tan(kAccMax);
+
+ par[3] = - par[21];
+ par[4] = kZRear * TMath::Tan(kAccMin);
+ par[5] = par[8] - (par[3] - par[6]) * TMath::Tan(kAccMax);
+ gMC->Gsvolu("ABSS", "PCON", idtmed[kPb+40], par, 24);
+
+ for (Int_t i = 22; i > 7; i -= 3) par[i] = 0;
+
gMC->Gsvolu("ABSM", "PCON", idtmed[kVacuum+40], par, 24);
gMC->Gspos("ABSS", 1, "ABSM", 0., 0., 0., 0, "ONLY");
//
// Steel envelope
//
- par[4] = par[5] -dSteel;
- par[7] = par[8] -dSteel;
- par[10]= par[11]-dSteel;
- par[13]= par[14]-dSteel;
- par[16]= par[17]-dSteel;
- par[19]= par[20]-dSteel;
- par[22]= par[23]-dSteel;
+ par[4] = par[5] - kDSteel;
+ par[7] = par[8] - kDSteel;
+ par[10]= par[11] - kDSteel;
+ par[13]= par[14] - kDSteel;
+ par[16]= par[17] - kDSteel;
+ par[19]= par[20] - kDSteel;
+ par[22]= par[23] - kDSteel;
+
gMC->Gsvolu("ABST", "PCON", idtmed[kSteel], par, 24);
gMC->Gspos("ABST", 1, "ABSS", 0., 0., 0., 0, "ONLY");
//
// Polyethylene shield
//
- cpar[0] = (zRear - zConeTPC) / 2.;
- cpar[1] = zConeTPC * TMath::Tan(accMax);
- cpar[2] = cpar[1] + dPoly;
- cpar[3] = zRear * TMath::Tan(accMax);
- cpar[4] = cpar[3] + dPoly;
+ cpar[0] = (kZRear - kZConeTPC) / 2.;
+ cpar[1] = kZRear * TMath::Tan(kAccMax);
+ cpar[2] = cpar[1] + kDPoly;
+ cpar[3] = kZConeTPC * TMath::Tan(kAccMax);
+ cpar[4] = cpar[3] + kDPoly;
+
gMC->Gsvolu("APOL", "CONE", idtmed[kPolyCH2+40], cpar, 5);
- dz = (zRear-zAbsStart)/2.-cpar[0];
+ dz = - (kZRear - kZAbsStart) / 2. + cpar[0];
gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY");
//
// Tungsten nose to protect TPC
//
- cpar[0] = (zNose - zAbsStart) / 2.;
- cpar[1] = zAbsStart * TMath::Tan(accMax);
- cpar[2] = zAbsStart * TMath::Tan(theta1)-dSteel;
- cpar[3] = zNose * TMath::Tan(accMax);
- cpar[4] = zNose * TMath::Tan(theta1)-dSteel;
- gMC->Gsvolu("ANOS", "CONE", idtmed[kW], cpar, 5);
-//
- dz = -(zRear-zAbsStart)/2.+cpar[0];
+ cpar[0] = (kZNose - kZAbsStart) / 2.;
+ cpar[1] = kZNose * TMath::Tan(kAccMax);
+ cpar[2] = kZNose * TMath::Tan(kTheta1) - kDSteel;
+ cpar[3] = kZAbsStart * TMath::Tan(kAccMax);
+ cpar[4] = kZAbsStart * TMath::Tan(kTheta1) - kDSteel;
+
+ gMC->Gsvolu("ANOS", "CONE", idtmed[kNiCuW], cpar, 5);
+ //
+ dz = (kZRear - kZAbsStart) / 2. - cpar[0];
gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY");
-//
-// Tungsten inner shield
-//
- Float_t zW=zTwoDeg+.1;
- Float_t dZ = zW+(zRear-dRear-zW)/2.;
+ //
+ // Tungsten inner shield
+ //
+ Float_t zW = kZTwoDeg + .1;
+ Float_t dZ = zW + (kZRear - kDRear - zW) / 2.;
//
pcpar[0] = 0.;
pcpar[1] = 360.;
pcpar[2] = 3.;
- pcpar[3] = zW-dZ;
- pcpar[4] = rAbs;
- pcpar[5] = zW * TMath::Tan(accMin);
- pcpar[6] = zOpen-dZ;
- pcpar[7] = rAbs;
- pcpar[8] = zOpen * TMath::Tan(accMin);
- pcpar[9] = zRear-dRear-dZ;
- pcpar[10] = rAbs+(zRear-dRear-zOpen) * TMath::Tan(thetaOpen1);
- pcpar[11] = (zRear-dRear) * TMath::Tan(accMin);
+ pcpar[9] = - (zW - dZ);
+ pcpar[10] = kRAbs;
+ pcpar[11] = zW * TMath::Tan(kAccMin);
+ pcpar[6] = - (kZOpen - dZ);
+ pcpar[7] = kRAbs;
+ pcpar[8] = kZOpen * TMath::Tan(kAccMin);
+ pcpar[3] = - (kZRear - kDRear - dZ);
+ pcpar[4] = kRAbs + (kZRear - kDRear - kZOpen) * TMath::Tan(kThetaOpen1);
+ pcpar[5] = (kZRear - kDRear) * TMath::Tan(kAccMin);
gMC->Gsvolu("AWIN", "PCON", idtmed[kNiCuW+40], pcpar, 12);
- //
- dz=(zW+zRear-dRear)/2-(zAbsStart+zRear)/2.;
+ dz = -(zW + kZRear - kDRear) / 2 + (kZAbsStart + kZRear) / 2.;
gMC->Gspos("AWIN", 1, "ABSS", 0., 0., dz, 0, "ONLY");
-
+//
+// First part replaced by Carbon
+//
+ cpar[0] = (200.-zW)/2.;
+
+ cpar[1] = kRAbs;
+ cpar[2] = 200. * TMath::Tan(kAccMin);
+ cpar[3] = kRAbs;
+ cpar[4] = pcpar[11];
+
+ gMC->Gsvolu("ACNO", "CONE", idtmed[kC], cpar, 5);
+ dz = - (zW - dZ+cpar[0]);
+ gMC->Gspos("ACNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
+
+/*
+ Float_t zWW = 383.5;
+ cpar[0] = (kZRear-kDRear-zWW)/2.;
+ cpar[1] = kRAbs + (zWW-kZOpen) * TMath::Tan(kThetaOpen1);
+ cpar[2] = zWW * TMath::Tan(kAccMin);
+ cpar[3] = pcpar[10];
+ cpar[4] = pcpar[11];
+ gMC->Gsvolu("AWNO", "CONE", idtmed[kCu+40], cpar, 5);
+ dz = zWW-dZ+cpar[0];
+
+ gMC->Gspos("AWNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
+*/
+ //
// Inner tracking region
//
- // mother volume: Pb
+ //
//
pcpar[0] = 0.;
pcpar[1] = 360.;
pcpar[2] = 3.;
- pcpar[3] = -(zRear-zAbsStart)/2.;
- pcpar[4] = rAbs;
- pcpar[5] = zAbsStart * TMath::Tan(accMax);
- pcpar[6] = pcpar[3]+(zTwoDeg-zAbsStart);
- pcpar[7] = rAbs;
- pcpar[8] = zTwoDeg * TMath::Tan(accMax);
- pcpar[9] = -pcpar[3];
- pcpar[10] = zRear * TMath::Tan(accMin);
- pcpar[11] = zRear * TMath::Tan(accMax);
- gMC->Gsvolu("AITR", "PCON", idtmed[kPb], pcpar, 12);
+ pcpar[9] = (kZRear - kZAbsStart) / 2.;
+ pcpar[10] = kRAbs;
+ pcpar[11] = kZAbsStart * TMath::Tan(kAccMax);
+ pcpar[6] = pcpar[9] - (kZTwoDeg - kZAbsStart);
+ pcpar[7] = kRAbs;
+ pcpar[8] = kZTwoDeg * TMath::Tan(kAccMax);
+ pcpar[3] = - pcpar[9];
+ pcpar[4] = kZRear * TMath::Tan(kAccMin);
+ pcpar[5] = kZRear * TMath::Tan(kAccMax);
+ gMC->Gsvolu("AITR", "PCON", idtmed[fMLayers[0][4]], pcpar, 12);
//
// special Pb medium for last 5 cm of Pb
- Float_t zr=zRear-2.-0.001;
+ Float_t zr = kZRear - 2. - 0.001;
cpar[0] = 1.0;
- cpar[1] = zr * TMath::Tan(thetaR);
- cpar[2] = zr * TMath::Tan(accMax);
- cpar[3] = cpar[1] + TMath::Tan(thetaR) * 2;
- cpar[4] = cpar[2] + TMath::Tan(accMax) * 2;
- gMC->Gsvolu("ARPB", "CONE", idtmed[kPb], cpar, 5);
- dz=(zRear-zAbsStart)/2.-cpar[0]-0.001;
+ cpar[3] = zr * TMath::Tan(kThetaR);
+ cpar[4] = zr * TMath::Tan(kAccMax);
+ cpar[1] = cpar[3] + TMath::Tan(kThetaR) * 2;
+ cpar[2] = cpar[4] + TMath::Tan(kAccMax) * 2;
+
+ gMC->Gsvolu("ARPB", "CONE", idtmed[fMLayers[0][4]], cpar, 5);
+ dz= - (kZRear - kZAbsStart) / 2. + cpar[0] - 0.001;
gMC->Gspos("ARPB", 1, "AITR", 0., 0., dz, 0, "ONLY");
//
// concrete cone: concrete
//
- pcpar[9] = pcpar[3]+(zRear-dRear-zAbsStart);
- pcpar[10] = (zRear-dRear) * TMath::Tan(accMin);
- pcpar[11] = (zRear-dRear) * TMath::Tan(accMax);
- gMC->Gsvolu("ACON", "PCON", idtmed[kConcrete+40], pcpar, 12);
+ pcpar[3] = pcpar[9] - (kZRear - kDRear - kZAbsStart);
+ pcpar[4] = (kZRear-kDRear) * TMath::Tan(kAccMin);
+ pcpar[5] = (kZRear-kDRear) * TMath::Tan(kAccMax);
+ gMC->Gsvolu("ACON", "PCON", idtmed[fMLayers[0][2]+40], pcpar, 12);
gMC->Gspos("ACON", 1, "AITR", 0., 0., 0., 0, "ONLY");
+//
+// Fe Cone
+//
+ zr = kZRear - kDRear - dzFe;
+
+ cpar[0] = dzFe/2.;
+ cpar[3] = zr * TMath::Tan(kAccMin);
+ cpar[4] = zr * TMath::Tan(kAccMax);
+ cpar[1] = cpar[3] + TMath::Tan(kAccMin) * dzFe;
+ cpar[2] = cpar[4] + TMath::Tan(kAccMax) * dzFe;
+
+ gMC->Gsvolu("ACFE", "CONE",idtmed[fMLayers[0][3]], cpar, 5);
+
+ dz = - (kZRear - kZAbsStart) / 2. + kDRear + dzFe / 2.;
+
+ gMC->Gspos("ACFE", 1, "ACON", 0., 0., dz, 0, "ONLY");
+
+
+ //
//
// carbon cone: carbon
//
- pcpar[9] = pcpar[3]+(zAbsCc-zAbsStart);
- pcpar[10] = zAbsCc * TMath::Tan(accMin);
- pcpar[11] = zAbsCc * TMath::Tan(accMax);
- gMC->Gsvolu("ACAR", "PCON", idtmed[kC+40], pcpar, 12);
+ pcpar[3] = pcpar[9] - (kZAbsCc - kZAbsStart);
+ pcpar[4] = kZAbsCc * TMath::Tan(kAccMin);
+ pcpar[5] = kZAbsCc * TMath::Tan(kAccMax);
+ gMC->Gsvolu("ACAR", "PCON", idtmed[fMLayers[0][1]+40], pcpar, 12);
gMC->Gspos("ACAR", 1, "ACON", 0., 0., 0., 0, "ONLY");
//
// carbon cone outer region
//
cpar[0] = 10.;
- cpar[1] = rAbs;
- cpar[2] = zAbsStart* TMath::Tan(accMax);
- cpar[3] = rAbs;
- cpar[4] = cpar[2]+2. * cpar[0] * TMath::Tan(accMax);
+ cpar[3] = kRAbs;
+ cpar[4] = kZAbsStart * TMath::Tan(kAccMax);
+ cpar[1] = kRAbs;
+ cpar[2] = cpar[4] + 2. * cpar[0] * TMath::Tan(kAccMax);
- gMC->Gsvolu("ACAO", "CONE", idtmed[kC], cpar, 5);
- dz=-(zRear-zAbsStart)/2.+cpar[0];
+ gMC->Gsvolu("ACAO", "CONE", idtmed[fMLayers[0][1]], cpar, 5);
+ dz= (kZRear-kZAbsStart) / 2. - cpar[0];
gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY");
//
// inner W shield
- Float_t epsi=0.;
- Float_t repsi=1.;
+ Float_t epsi = 0.;
+ Float_t repsi = 1.;
- zr=zRear-(dRear-epsi);
- cpar[0] = (dRear-epsi)/2.;
- cpar[1] = zr * TMath::Tan(accMin);
- cpar[2] = zr * TMath::Tan(thetaR*repsi);
- cpar[3] = cpar[1] + TMath::Tan(accMin) * (dRear-epsi);
- cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * (dRear-epsi);
- gMC->Gsvolu("ARW0", "CONE", idtmed[kNiCuW+40], cpar, 5);
- dz=(zRear-zAbsStart)/2.-cpar[0];
+ zr = kZRear - (kDRear - epsi);
+ cpar[0] = (kDRear - epsi) / 2.;
+ cpar[3] = zr * TMath::Tan(kAccMin);
+ cpar[4] = zr * TMath::Tan(kThetaR * repsi);
+ cpar[1] = cpar[3] + TMath::Tan(kAccMin) * (kDRear - epsi);
+ cpar[2] = cpar[4] + TMath::Tan(kThetaR * repsi) * (kDRear - epsi);
+
+ gMC->Gsvolu("ARW0", "CONE", idtmed[fMLayers[1][5]+40], cpar, 5);
+ dz= - (kZRear - kZAbsStart) / 2. + cpar[0];
gMC->Gspos("ARW0", 1, "AITR", 0., 0., dz, 0, "ONLY");
//
// special W medium for last 5 cm of W
- zr=zRear-5;
+ zr = kZRear - 5;
cpar[0] = 2.5;
- cpar[1] = zr * TMath::Tan(accMin);
- cpar[2] = zr * TMath::Tan(thetaR*repsi);
- cpar[3] = cpar[1] + TMath::Tan(accMin) * 5.;
- cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * 5.;
- gMC->Gsvolu("ARW1", "CONE", idtmed[kNiCuW+20], cpar, 5);
- dz=(dRear-epsi)/2.-cpar[0];
+ cpar[3] = zr * TMath::Tan(kAccMin);
+ cpar[4] = zr * TMath::Tan(kThetaR * repsi);
+ cpar[1] = cpar[3] + TMath::Tan(kAccMin) * 5.;
+ cpar[2] = cpar[4] + TMath::Tan(kThetaR*repsi) * 5.;
+
+ gMC->Gsvolu("ARW1", "CONE", idtmed[fMLayers[1][5]+20], cpar, 5);
+ dz = - (kDRear-epsi) / 2. + cpar[0];
gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY");
//
- // PolyEthylene Layers
- Float_t drMin=TMath::Tan(thetaR) * 5;
- Float_t drMax=TMath::Tan(accMax) * 5;
- gMC->Gsvolu("ARPE", "CONE", idtmed[kPolyCH2], cpar, 0);
- cpar[0]=2.5;
- { // Begin local scope for i
- for (Int_t i=0; i<3; i++) {
- zr=zRear-dRear+5+i*10.;
- cpar[1] = zr * TMath::Tan(thetaR);
- cpar[2] = zr * TMath::Tan(accMax);
- cpar[3] = cpar[1] + drMin;
- cpar[4] = cpar[2] + drMax;
- dz=(zRear-zAbsStart)/2.-cpar[0]-5.-(2-i)*10;
- gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5);
- }
- } // End local scope for i
+ // Cu
+ Float_t drMin = TMath::Tan(kThetaR) * 5;
+ Float_t drMax = TMath::Tan(kAccMax) * 5;
+ gMC->Gsvolu("ARPE", "CONE", idtmed[fMLayers[0][4]], cpar, 0);
+ cpar[0] = 2.5;
+
+ for (Int_t i = 0; i < 3; i++) {
+ zr = kZRear - kDRear + 5 + i * 10.;
+ cpar[3] = zr * TMath::Tan(kThetaR);
+ cpar[4] = zr * TMath::Tan(kAccMax);
+ cpar[1] = cpar[3] + drMin;
+ cpar[2] = cpar[4] + drMax;
+ dz = - (kZRear - kZAbsStart) / 2. + cpar[0] + 5. + (2 - i)*10;
+ gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5);
+ }
+
gMC->Gspos("AITR", 1, "ABSS", 0., 0., 0., 0, "ONLY");
- dz = (zRear-zAbsStart)/2.+zAbsStart;
+ dz = - (kZRear - kZAbsStart) / 2. - kZAbsStart;
gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
//
//
//
//
// cylindrical piece
- tpar0[2]=(zOpen-zAbsStart)/2;
- tpar0[0]=rVacu;
- tpar0[1]=rAbs;
+ tpar0[2] = (kZOpen-kZAbsStart)/2;
+ tpar0[0] = kRVacu;
+ tpar0[1] = kRVacu + dTube + dInsu + dEnve;
gMC->Gsvolu("AV11", "TUBE", idtmed[kSteel+40], tpar0, 3);
//
// insulation
- tpar[2]=tpar0[2];
- tpar[0]=rVacu+dTube;
- tpar[1]=tpar[0]+dInsu;
+ tpar[2] = tpar0[2];
+ tpar[0] = kRVacu + dTube;
+ tpar[1] = tpar[0] + dInsu;
gMC->Gsvolu("AI11", "TUBE", idtmed[kInsulation+40], tpar, 3);
gMC->Gspos("AI11", 1, "AV11", 0., 0., 0., 0, "ONLY");
//
-// clearance
- tpar[0]=tpar[1]+dEnve;
- tpar[1]=tpar[0]+dFree;
- gMC->Gsvolu("AP11", "TUBE", idtmed[kAir+40], tpar, 3);
- gMC->Gspos("AP11", 1, "AV11", 0., 0., 0., 0, "ONLY");
-//
- dz=-(zRear-zAbsStart)/2.+tpar0[2];
+ dz = (kZRear - kZAbsStart) / 2. - tpar0[2];
gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// conical piece
- cpar0[0]=(zRear-dRear-zOpen)/2;
- cpar0[1]=rVacu-0.05;
- cpar0[2]=rAbs;
- Float_t dR=2.*cpar0[0]*TMath::Tan(thetaOpen1);
- cpar0[3]=cpar0[1]+dR;
- cpar0[4]=cpar0[2]+dR;
+ cpar0[0] = (kZRear - kDRear - kZOpen) / 2.;
+ cpar0[3] = kRVacu - 0.05;
+ cpar0[4] = kRVacu + dTube + dInsu + dEnve;
+ Float_t dR = 2. * cpar0[0] * TMath::Tan(kThetaOpen1);
+ cpar0[1]=cpar0[3] + dR;
+ cpar0[2]=cpar0[4] + dR;
gMC->Gsvolu("AV21", "CONE", idtmed[kSteel+40], cpar0, 5);
- dTube+=0.05;
+ dTube += 0.05;
//
// insulation
- cpar[0]=cpar0[0];
- cpar[1]=cpar0[1]+dTube;
- cpar[2]=cpar0[1]+dTube+dInsu;
- cpar[3]=cpar0[3]+dTube;
- cpar[4]=cpar0[3]+dTube+dInsu;
+ cpar[0] = cpar0[0];
+ cpar[1] = cpar0[1] + dTube;
+ cpar[2] = cpar0[1] + dTube + dInsu;
+ cpar[3] = cpar0[3] + dTube;
+ cpar[4] = cpar0[3] + dTube + dInsu;
+
gMC->Gsvolu("AI21", "CONE", idtmed[kInsulation+40], cpar, 5);
gMC->Gspos("AI21", 1, "AV21", 0., 0., 0., 0, "ONLY");
-//
-// clearance
- cpar[1]=cpar0[1]+dTube+dInsu+dEnve;
- cpar[2]=rAbs;
- cpar[3]=cpar0[1]+dTube+dInsu+dEnve+dR;
- cpar[4]=rAbs+dR;
-
- gMC->Gsvolu("AP21", "CONE", idtmed[kAir+40], cpar, 5);
- gMC->Gspos("AP21", 1, "AV21", 0., 0., 0., 0, "ONLY");
- dz=(zRear-zAbsStart)/2.-cpar0[0]-dRear;
+ dz = - (kZRear - kZAbsStart) / 2. + cpar0[0] + kDRear;
gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY");
+////////////////////////////////////////////////////
+// //
+// Front Absorber Support Structure FASS //
+// //
+// Drawing ALIP2A__0035 //
+// Drawing ALIP2A__0089 //
+// Drawing ALIP2A__0090 //
+// Drawing ALIP2A__0109 //
+////////////////////////////////////////////////////
+ TGeoTranslation* vec0 = new TGeoTranslation(0., 0., 0.);
+
+ TGeoVolumeAssembly* voFass = new TGeoVolumeAssembly("Fass");
+ const Float_t kDegRad = TMath::Pi() / 180.;
+ const TGeoMedium* kMedSteel = gGeoManager->GetMedium("ABSO_ST_C0");
+ const TGeoMedium* kMedAlu = gGeoManager->GetMedium("ABSO_ALU_C0");
+
+ const Float_t kFassUBFlangeH = 380.;
+ const Float_t kFassUBFlangeW = 77.;
+
+ const Float_t kFassUMFlangeH = 380.;
+ const Float_t kFassUMFlangeB = 246.;
+ const Float_t kFassUMFlangeT = 10.;
+ const Float_t kFassUMFalpha = - TMath::ATan((kFassUMFlangeB-kFassUMFlangeT)/ kFassUMFlangeH / 2.) / kDegRad;
+// Upper back flange
+// B1
+// 380 x 77
+ TGeoVolume* voFassUBFlange = new TGeoVolume("FassUBFlange", new TGeoBBox(kFassUBFlangeW/2.,
+ kFassUBFlangeH/2., 3./2.), kMedSteel);
+ voFass->AddNode(voFassUBFlange, 1, new TGeoTranslation(+1.5 + kFassUBFlangeW/2.,
+ 180. + kFassUBFlangeH/2.,
+ kFassUMFlangeB - 1.5));
+ voFass->AddNode(voFassUBFlange, 2, new TGeoTranslation(-1.5 - kFassUBFlangeW/2.,
+ 180. + kFassUBFlangeH/2.,
+ kFassUMFlangeB - 1.5));
+
+
+// Lower back flange
+// Upper median flange
+// Drawing ALIP2A__0090 //
+// Drawing ALIP2A__0089 //
+// A2
+
+ TGeoVolume* voFassUMFlange = new TGeoVolume("FassUMFlange",
+ new TGeoTrap(kFassUMFlangeH/2., kFassUMFalpha,
+ 0., 1.5,
+ kFassUMFlangeB/2., kFassUMFlangeB/2.,
+ 0., 1.5,
+ kFassUMFlangeT/2., kFassUMFlangeT/2.,
+ 0.), kMedSteel);
+
+ TGeoRotation* rotFass1 = new TGeoRotation("rotFass1", 180., 0., 90., 0., 90., 90.);
+ voFass->AddNode(voFassUMFlange,1 ,
+ new TGeoCombiTrans(0., 180. + kFassUMFlangeH/2., -(kFassUMFlangeB+kFassUMFlangeT)/4. + kFassUMFlangeB,
+ rotFass1));
+
+
+// Lower median flange
+// Drawing ALIP2A__0090 //
+// Drawing ALIP2A__0089 //
+// A1
+ const Float_t kFassLMFlangeH = 242.;
+ const Float_t kFassLMFlangeB = 246.;
+ const Float_t kFassLMFlangeT = 43.;
+ const Float_t kFassLMFalpha = - TMath::ATan((kFassLMFlangeB-kFassLMFlangeT)/ kFassLMFlangeH / 2.) / kDegRad;
+ TGeoVolume* voFassLMFlange = new TGeoVolume("FassLMFlange",
+ new TGeoTrap(kFassLMFlangeH/2., kFassLMFalpha,
+ 0., 1.5,
+ kFassLMFlangeB/2., kFassLMFlangeB/2.,
+ 0., 1.5,
+ kFassLMFlangeT/2., kFassLMFlangeT/2.,
+ 0.), kMedSteel);
+ TGeoRotation* rotFass2 = new TGeoRotation("rotFass2", 180., 0., 90., 0., 90., 270.);
+ voFass->AddNode(voFassLMFlange, 1,
+ new TGeoCombiTrans(0., -180. - kFassLMFlangeH/2., -(kFassLMFlangeB+kFassLMFlangeT)/4. + kFassLMFlangeB,
+ rotFass2));
+
+// Stiffeners
+// Support Plate
+//
+// Central cone
+ TGeoPgon* shFassCone = new TGeoPgon(22.5, 360., 8, 4);
+ shFassCone->DefineSection(0, 0., 0., 180.);
+ shFassCone->DefineSection(1, 3., 0., 180.);
+ shFassCone->DefineSection(2, 3., 177., 180.);
+ shFassCone->DefineSection(3, 246., 177., 180.);
+ shFassCone->SetName("FassCone");
+
+ TGeoBBox* shFassWindow = new TGeoBBox( 190., 53., 28.);
+ shFassWindow->SetName("FassWindow");
+ TGeoTranslation* tFassWindow = new TGeoTranslation("tFassWindow", 0., 0., 78.);
+ tFassWindow->RegisterYourself();
+
+ TGeoTube* shFassApperture = new TGeoTube(0., 104., 3.01);
+ shFassApperture->SetName("FassApperture");
+
+ TGeoCompositeShape* shFassCentral =
+ new TGeoCompositeShape("shFassCentral", "FassCone-(FassWindow:tFassWindow+FassApperture)");
+
+ TGeoVolume* voFassCentral = new TGeoVolume("FassCentral", shFassCentral, kMedSteel);
+ voFass->AddNode(voFassCentral, 1, vec0);
+
+//
+// Aluminum ring
+//
+ TGeoVolume* voFassAlRing = new TGeoVolume("FassAlRing", new TGeoTube(100., 180., 10.), kMedAlu);
+ voFass->AddNode(voFassAlRing, 1, new TGeoTranslation(0., 0., -11.));
+ TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
+ gGeoManager->GetVolume("ALIC")->AddNode(voFass, 1, new TGeoCombiTrans(0., 0., -388.45 - 90., rotxz));
}
//_____________________________________________________________________________
// Initialisation of the muon absorber after it has been built
Int_t i;
//
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" ABSOv0_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
- //
- for(i=0;i<80;i++) printf("*");
- printf("\n");
+ if(AliLog::GetGlobalDebugLevel()>0) {
+ printf("\n%s: ",ClassName());
+ for(i=0;i<35;i++) printf("*");
+ printf(" ABSOv0_INIT ");
+ for(i=0;i<35;i++) printf("*");
+ printf("\n%s: ",ClassName());
+ //
+ for(i=0;i<80;i++) printf("*");
+ printf("\n");
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff