* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.1 2000/01/12 15:39:30 morsch
-Standar version of ABSO
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <TVirtualMC.h>
+
#include "AliABSOv0.h"
-#include "AliRun.h"
#include "AliConst.h"
-
+#include "AliRun.h"
+
ClassImp(AliABSOv0)
//_____________________________________________________________________________
//_____________________________________________________________________________
void AliABSOv0::CreateGeometry()
{
- //
- // Creation of the geometry of the muon absorber
- //
- //Begin_Html
- /*
- <img src="picts/AliABSOv0Tree.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliABSOv0.gif">
- */
- //End_Html
-
-
- Int_t *idtmed = fIdtmed->GetArray()-1599;
-
- Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3];
- Float_t dz;
-#include "ShieldConst.h"
-// Mother volume and outer shielding: Pb
+ //
+ // Creation of the geometry of the muon absorber
+ //
+ //Begin_Html
+ /*
+ <img src="picts/AliABSOv0Tree.gif">
+ */
+ //End_Html
+ //Begin_Html
+ /*
+ <img src="picts/AliABSOv0.gif">
+ */
+ //End_Html
+
+ //
+ //
+
+ 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, 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;
+ Int_t idrotm[1699];
+#include "ABSOSHILConst.h"
+#include "ABSOConst.h"
+//
+// 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[0] = 0.;
par[1] = 360.;
par[2] = 7.;
+
+ par[21] = (kZRear - kZAbsStart) / 2.;
+ par[22] = kRAbs;
+ par[23] = kZAbsStart * TMath::Tan(kTheta1);
- par[3] = -(abs_l-abs_d)/2.;
- par[4] = r_abs;
- par[5] = abs_d * TMath::Tan(theta1);
+ par[18] = par[21] - (kZNose - kZAbsStart);
+ par[19] = kRAbs;
+ par[20] = kZNose * TMath::Tan(kTheta1);
- par[6] = par[3]+(z_nose-abs_d);
- par[7] = r_abs;
- par[8] = z_nose * TMath::Tan(theta1);
+ par[15] = par[21] - (kZConeTPC - kZAbsStart);
+ par[16] = kRAbs;
+ par[17] = par[20] - (par[15] - par[18]) * TMath::Tan(kTheta2);
- par[9] = par[3]+(z_cone-abs_d);
- par[10] = r_abs;
- par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(theta2);
+ par[12] = par[21] - (kZOpen - kZAbsStart);
+ par[13] = kRAbs;
+ par[14] = par[17] - (par[12] - par[15]) * TMath::Tan(kAccMax);
- par[12] = par[3]+(abs_c-abs_d);
- par[13] = r_abs;
- par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(acc_max);
+ 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[15] = par[3]+(abs_l-d_rear-abs_d);
- par[16] = r_abs + (par[15] - par[12]) * TMath::Tan(theta_open1) ;
- par[17] = par[14] + (par[15] - par[12]) * TMath::Tan(acc_max);
+ 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[18] = par[3]+(abs_l-d_rear-abs_d);
- par[19] = (abs_l-d_rear) * TMath::Tan(acc_min);
- par[20] = par[14] + (par[15] - par[12]) * TMath::Tan(acc_max);
+ 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], par, 24);
- par[21] = -par[3];
- par[22] = abs_l* TMath::Tan(acc_min);
- par[23] = par[20] + (par[21] - par[18]) * TMath::Tan(acc_max);
- gMC->Gsvolu("ABSS", "PCON", idtmed[1612], par, 24);
- for (Int_t i=4; i<24; i+=3) par[i] = 0;
- gMC->Gsvolu("ABSM", "PCON", idtmed[1655], 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] -d_steel;
- par[7] = par[8] -d_steel;
- par[10]= par[11]-d_steel;
- par[13]= par[14]-d_steel;
- par[16]= par[17]-d_steel;
- par[19]= par[20]-d_steel;
- par[22]= par[23]-d_steel;
- gMC->Gsvolu("ABST", "PCON", idtmed[1618], par, 24);
+ 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] = (abs_l - z_cone) / 2.;
- cpar[1] = z_cone * TMath::Tan(acc_max);
- cpar[2] = cpar[1] + d_poly;
- cpar[3] = abs_l * TMath::Tan(acc_max);
- cpar[4] = cpar[3] + d_poly;
- gMC->Gsvolu("APOL", "CONE", idtmed[1657], cpar, 5);
- dz = (abs_l-abs_d)/2.-cpar[0];
+ 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 = - (kZRear - kZAbsStart) / 2. + cpar[0];
gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY");
//
// Tungsten nose to protect TPC
//
- cpar[0] = (z_nose - abs_d) / 2.;
- cpar[1] = abs_d * TMath::Tan(acc_max);
- cpar[2] = abs_d * TMath::Tan(theta1)-d_steel;
- cpar[3] = z_nose * TMath::Tan(acc_max);
- cpar[4] = z_nose * TMath::Tan(theta1)-d_steel;
- gMC->Gsvolu("ANOS", "CONE", idtmed[1611], cpar, 5);
+ 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[kW], cpar, 5);
//
- dz = -(abs_l-abs_d)/2.+cpar[0];
+ dz = (kZRear - kZAbsStart) / 2. - cpar[0];
gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY");
-//
-// Tungsten inner shield
-//
- cpar[0] = (abs_l-d_rear - abs_c)/ 2.;
- cpar[1] = r_abs;
- cpar[2] = abs_c * TMath::Tan(acc_min);
- cpar[3] = r_abs + 2. * cpar[0] * TMath::Tan(theta_open1);
- cpar[4] = (abs_l-d_rear) * TMath::Tan(acc_min);
- gMC->Gsvolu("AWIN", "CONE", idtmed[1651], cpar, 5);
//
- dz = (abs_l-abs_d)/2.-cpar[0]-d_rear;
+ // 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[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 + 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] = -(abs_l-abs_d)/2.;
- pcpar[4] = r_abs;
- pcpar[5] = abs_d * TMath::Tan(acc_max);
- pcpar[6] = pcpar[3]+(z_2deg-abs_d);
- pcpar[7] = r_abs;
- pcpar[8] = z_2deg * TMath::Tan(acc_max);
- pcpar[9] = -par[3];
- pcpar[10] = abs_l * TMath::Tan(acc_min);
- pcpar[11] = abs_l * TMath::Tan(acc_max);
- gMC->Gsvolu("AITR", "PCON", idtmed[1612], 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
- zr=abs_l-5;
- cpar[0] = 2.5;
- cpar[1] = zr * TMath::Tan(theta_r);
- cpar[2] = zr * TMath::Tan(acc_max);
- cpar[3] = cpar[1] + TMath::Tan(acc_min) * 5;
- cpar[4] = cpar[2] + TMath::Tan(acc_max) * 5;
- gMC->Gsvolu("ARPB", "CONE", idtmed[1632], cpar, 5);
- dz=(abs_l-abs_d)/2.-cpar[0];
+ Float_t zr = kZRear - 2. - 0.001;
+ cpar[0] = 1.0;
+ 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] = par[3]+(abs_l-d_rear-abs_d);
- pcpar[10] = (abs_l-d_rear) * TMath::Tan(acc_min);
- pcpar[11] = (abs_l-d_rear) * TMath::Tan(acc_max);
- gMC->Gsvolu("ACON", "PCON", idtmed[1616], 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]+(abs_cc-abs_d);
- pcpar[10] = abs_cc * TMath::Tan(acc_min);
- pcpar[11] = abs_cc * TMath::Tan(acc_max);
- gMC->Gsvolu("ACAR", "PCON", idtmed[1605], 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[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[fMLayers[0][1]], cpar, 5);
+ dz= (kZRear-kZAbsStart) / 2. - cpar[0];
+ gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY");
//
// inner W shield
- zr=abs_l-d_rear;
- cpar[0] = d_rear/2.;
- cpar[1] = zr * TMath::Tan(acc_min);
- cpar[2] = zr * TMath::Tan(theta_r);
- cpar[3] = cpar[1] + TMath::Tan(acc_min) * 35;
- cpar[4] = cpar[2] + TMath::Tan(theta_r) * 35;
- gMC->Gsvolu("ARW0", "CONE", idtmed[1611], cpar, 5);
- dz=(abs_l-abs_d)/2.-cpar[0];
+ Float_t epsi = 0.;
+ Float_t repsi = 1.;
+
+ 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][4]+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=abs_l-5;
+ zr = kZRear - 5;
cpar[0] = 2.5;
- cpar[1] = zr * TMath::Tan(acc_min);
- cpar[2] = zr * TMath::Tan(theta_r);
- cpar[3] = cpar[1] + TMath::Tan(acc_min) * 5.;
- cpar[4] = cpar[2] + TMath::Tan(theta_r) * 5.;
- gMC->Gsvolu("ARW1", "CONE", idtmed[1631], cpar, 5);
- dz=d_rear/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][4]+20], cpar, 5);
+ dz = - (kDRear-epsi) / 2. + cpar[0];
gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY");
//
- // PolyEthylene Layers
- Float_t dr_min=TMath::Tan(theta_r) * 5;
- Float_t dr_max=TMath::Tan(acc_max) * 5;
- gMC->Gsvolu("ARPE", "CONE", idtmed[1617], cpar, 0);
- cpar[0]=2.5;
- for (Int_t i=0; i<3; i++) {
- zr=abs_l-d_rear+5+i*10.;
- cpar[1] = zr * TMath::Tan(theta_r);
- cpar[2] = zr * TMath::Tan(acc_max);
- cpar[3] = cpar[1] + dr_min;
- cpar[4] = cpar[2] + dr_max;
- dz=(abs_l-abs_d)/2.-cpar[0]-5.-(2-i)*10;
+ // 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 = (abs_l-abs_d)/2.+abs_d;
+ dz = - (kZRear - kZAbsStart) / 2. - kZAbsStart;
gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
//
//
//
//
// cylindrical piece
- tpar0[2]=(abs_c-abs_d)/2;
- tpar0[0]=r_vacu;
- tpar0[1]=r_abs;
- gMC->Gsvolu("AV11", "TUBE", idtmed[1658], tpar0, 3);
+ 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]=tpar0[0]+d_tube;
- tpar[1]=tpar0[0]+d_tube+d_insu;
- gMC->Gsvolu("AI11", "TUBE", idtmed[1653], tpar, 3);
+
+ 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]=tpar0[1]-d_prot-d_free;
- tpar[1]=tpar0[1]-d_prot;
- gMC->Gsvolu("AP11", "TUBE", idtmed[1655], tpar, 3);
- gMC->Gspos("AP11", 1, "AV11", 0., 0., 0., 0, "ONLY");
-
- dz=-(abs_l-abs_d)/2.+tpar0[2];
+ dz = (kZRear - kZAbsStart) / 2. - tpar0[2];
gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY");
-
//
// conical piece
- cpar0[0]=(abs_l-d_rear-abs_c)/2;
- cpar0[1]=r_vacu;
- cpar0[2]=r_abs;
- cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open1);
- cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open1);
- gMC->Gsvolu("AV21", "CONE", idtmed[1658], cpar0, 5);
+
+ 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;
+
//
// insulation
- cpar[0]=cpar0[0];
- cpar[1]=cpar0[1]+d_tube;
- cpar[2]=cpar0[1]+d_tube+d_insu;
- cpar[3]=cpar0[3]+d_tube;
- cpar[4]=cpar0[3]+d_tube+d_insu;
- gMC->Gsvolu("AI21", "CONE", idtmed[1653], cpar, 5);
+ 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[2]-d_prot-d_free;
- cpar[2]=cpar0[2]-d_prot;
- cpar[3]=cpar0[4]-d_prot-d_free;
- cpar[4]=cpar0[4]-d_prot;
- gMC->Gsvolu("AP21", "CONE", idtmed[1655], cpar, 5);
- gMC->Gspos("AP21", 1, "AV21", 0., 0., 0., 0, "ONLY");
- dz=(abs_l-abs_d)/2.-cpar0[0]-d_rear;
+ dz = - (kZRear - kZAbsStart) / 2. + cpar0[0] + kDRear;
gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY");
+//
+// Support cone
+ par[0] = 22.5;
+ par[1] = 360.0;
+ par[2] = 8.0;
+ par[3] = 4.0;
+
+ par[13] = - kZRear;
+ par[14] = 100.;
+ par[15] = 180.;
+
+ par[10] = - kZRear - 20.;
+ par[11] = 100.;
+ par[12] = 180.;
+
+ par[7] = - kZRear - 20.;
+ par[8] = 178.;
+ par[9] = 180.;
+
+ par[4] = - 600.;
+ par[5] = 178.;
+ par[6] = 180.;
+
+
+ gMC->Gsvolu("ASSS", "PGON", idtmed[kAl], par, 16);
+ gMC->Gspos("ASSS", 1, "ALIC", 0., 0., 0., 0, "ONLY");
+
+ Float_t trap[11];
+ trap[ 0] = (530. - 170.) / 2.;
+ trap[ 2] = 0.;
+ trap[ 3] = 2.;
+ trap[ 4] = (600. - (kZRear + 2.)) / 2.;;
+ trap[ 5] = trap[4];
+ trap[ 6] = 0.;
+ trap[ 7] = 2.;
+ trap[ 8] = 5.;
+ trap[ 9] = 5.;
+ trap[10] = 0.;
+ trap[ 1] = -TMath::ATan((trap[4] - trap[8]) / 2. / trap[0]) * 180. / TMath::Pi();
+ AliMatrix(idrotm[1600], 180., 0., 90., 0., 90., 90.);
+ AliMatrix(idrotm[1601], 180., 0., 90., 0., 90., 270.);
+ gMC->Gsvolu("ASST", "TRAP", idtmed[kSteel], trap, 11);
+ //PH dz = (600.+kZRear+2.)/2.+(trap[4]-trap[8])/2.;
+ //PH Float_t dy = 170.+trap[0];
+
+// gMC->Gspos("ASST", 1, "ALIC", 0., dy, - dz, idrotm[1600], "ONLY");
+// gMC->Gspos("ASST", 2, "ALIC", 0., -dy, - dz, idrotm[1601], "ONLY");
}
//_____________________________________________________________________________
// 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(fDebug) {
+ 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