--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//////////////////////////////////////////////////////////////////////
+// //
+// (V-zero) detector version 5 as designed by the Lyon group //
+// All comments should be sent to Brigitte CHEYNIS : //
+// b.cheynis@ipnl.in2p3.fr //
+// Geometry of the 16 th of june 2004 //
+// (now 8 sectors instead of 12 sectors as in previous version) //
+// V0R (now V0C) sits between Z values -89.6 and -84.9 cm //
+// V0L (now V0A) sits between Z values +339.0 and +341.0 cm //
+// New coordinate system has been implemented in october 2003 //
+// //
+//////////////////////////////////////////////////////////////////////
+
+// --- Standard libraries ---
+#include <Riostream.h>
+#include <stdlib.h>
+#include <string.h>
+
+// --- ROOT libraries ---
+#include <TClonesArray.h>
+#include <TGeant3.h>
+#include <TGeometry.h>
+#include <TLorentzVector.h>
+#include <TMath.h>
+#include <TNode.h>
+#include <TObjectTable.h>
+#include <TTUBE.h>
+#include <TTUBS.h>
+#include <TVirtualMC.h>
+#include <TParticle.h>
+
+// --- AliRoot header files ---
+#include "AliRun.h"
+#include "AliMC.h"
+#include "AliConst.h"
+#include "AliMagF.h"
+#include "AliVZEROLoader.h"
+#include "AliVZEROdigit.h"
+#include "AliVZEROhit.h"
+#include "AliVZEROv5.h"
+
+ClassImp(AliVZEROv5)
+
+//_____________________________________________________________________________
+AliVZEROv5:: AliVZEROv5():AliVZERO()
+{
+// Standard default constructor
+}
+
+//_____________________________________________________________________________
+AliVZEROv5::AliVZEROv5(const char *name, const char *title):
+ AliVZERO(name,title)
+{
+
+// Standard constructor for V-zero Detector version 5
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<26;i++) printf("*");
+ printf(" Create VZERO object ");
+ for(i=0;i<26;i++) printf("*");
+ printf("\n");
+
+ fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon)
+ fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter)
+ fnMeters = 15.0; // Number of meters of clear fibers to PM
+ fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::CreateGeometry()
+{
+
+// Creates the GEANT geometry of the V-zero Detector version 5
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<26;i++) printf("*");
+ printf(" Create VZERO Geometry ");
+ for(i=0;i<26;i++) printf("*");
+ printf("\n");
+
+ Int_t *idtmed = fIdtmed->GetArray()-2999;
+
+ Int_t ndetR = 1;
+ Int_t ndetL = 1;
+
+ Int_t ncellsR = 1;
+ Int_t ncellsL = 1;
+
+ Int_t idrotm[999];
+
+ Float_t height1Right, height2Right, height3Right, height4Right;
+ Float_t heightRight;
+ Float_t theta;
+
+ Float_t halfThickQua;
+
+ Float_t zdet;
+ Float_t r0Right, r4Right, rBoxRight;
+ Float_t pi = TMath::Pi();
+
+ height1Right = 2.6; // height of cell 1, in cm
+ height2Right = 4.6; // height of cell 2, in cm
+ height3Right = 7.6; // height of cell 3, in cm
+ height4Right = 12.7; // height of cell 4, in cm
+
+ theta = pi/4.0/2.0; // half angular opening = 22.5 degrees
+
+ halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring)
+
+// distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from
+// absorber nose sitting at 90 cm. Will use -zdet later...
+// size of V0R box (fThickness) is increased by 3 mm as compared to basic version
+
+ fThickness = fThickness + 0.3; // now 4.7 cm instead of 4.4 cm
+ zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis)
+ r0Right = 4.20; // closest distance to center of the beam pipe
+ heightRight = height1Right + height2Right + height3Right + height4Right;
+ r4Right = r0Right + heightRight + 0.3;
+ rBoxRight = 38.0; // external radius of right box
+
+// Creation of mother volume v0LE - left part - :
+// Entrance face at +339.0 cm (new coordinate system) ...
+
+ Float_t partube[3];
+
+ partube[0] = 4.3;
+ partube[1] = 44.0;
+ partube[2] = fThickness1/2.0;
+
+ gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
+
+// Creation of five rings - left part - :
+// Entrance face at +339.0 cm (new coordinate system) ...
+
+// Mother volume v0L0 in which will be set 5 scintillator cells
+
+ Float_t partubs[5];
+
+ Float_t r0Left = 4.3;
+ Float_t height1Left = 3.3;
+ Float_t height2Left = 6.2;
+ Float_t height3Left = 8.9;
+ Float_t height4Left = 20.9;
+ Float_t heightLeft = height1Left + height2Left + height3Left + height4Left;
+
+ Float_t r4Left = r0Left + heightLeft;
+
+ partubs[0] = r0Left;
+ partubs[1] = r4Left;
+ partubs[2] = fThickness1/2.0;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 135.0-22.5;
+
+ gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume
+
+ Float_t r1Left = r0Left + height1Left;
+
+ partubs[0] = r0Left;
+ partubs[1] = r1Left;
+
+ gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume
+ gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
+
+ Float_t r2Left = r1Left + height2Left;
+
+ partubs[0] = r1Left;
+ partubs[1] = r2Left;
+
+ gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume
+ gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
+
+ Float_t r3Left = r2Left + height3Left;
+
+ partubs[0] = r2Left;
+ partubs[1] = r3Left;
+
+ gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume
+ gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
+
+ partubs[0] = r3Left;
+ partubs[1] = r4Left;
+
+ gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
+ gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
+
+// Creation of mother volume v0RI - right part - :
+
+ partube[0] = r0Right - 0.2;
+ partube[1] = r4Right + 1.0;
+ partube[2] = fThickness/2.0;
+
+ gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
+
+// Creation of carbon lids (3.0 mm thick) to keep v0RI box shut...
+
+ Float_t lidThickness = 0.30;
+
+ partube[0] = r0Right;
+ partube[1] = rBoxRight;
+ partube[2] = +lidThickness/2.0;
+
+ gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
+ gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
+ gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
+
+// Creation of aluminum rings 3.0 mm thick to maintain the v0RI pieces ...
+
+ partube[0] = r0Right;
+ partube[1] = r0Right + 0.3;
+ partube[2] = +fThickness/2.0;
+
+ gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
+ gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
+
+ partube[0] = rBoxRight - 0.3;
+ partube[1] = rBoxRight;
+ partube[2] = +fThickness/2.0;
+
+ gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
+ gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
+
+// Mother volume v0R0 in which will be set 6 scintillator cells
+
+ partubs[0] = r0Right;
+ partubs[1] = r4Right;
+ partubs[2] = fThickness/2.0;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 135.0-22.5;
+
+ gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
+
+// Elementary cell of ring 1 :
+// (cells of ring 1 will be shifted by 2.0 cm backwards to output fibers)
+
+ Float_t offsetFibers = 1.0;
+ Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0;
+ Float_t r1Right = r0Right + 0.3 + height1Right;
+
+ partubs[0] = r0Right + 0.3;
+ partubs[1] = r1Right;
+ partubs[2] = fThickness1/2.0;
+
+ gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY");
+
+// Elementary cell of ring 2 :
+// (cells of ring 2 will be shifted by 1.0 cm backwards to output fibers)
+
+ Float_t r2Right = r1Right + height2Right;
+
+ partubs[0] = r1Right;
+ partubs[1] = r2Right;
+
+ gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY");
+
+// Elementary cell of ring 3 :
+
+ Float_t r3Right = r2Right + height3Right;
+
+ partubs[0] = r2Right;
+ partubs[1] = r3Right;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 112.5-22.5;
+
+ gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
+
+ partubs[3] = 112.5-22.5;
+ partubs[4] = 135.0-22.5;
+ gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
+
+// Elementary cell of ring 4 :
+
+ partubs[0] = r3Right;
+ partubs[1] = r4Right;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 112.5-22.5;
+
+ gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
+
+ partubs[3] = 112.5-22.5;
+ partubs[4] = 135.0-22.5;
+ gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume
+ gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
+
+ Float_t phiDeg = 180./4.;
+
+// Right part :
+
+ for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg)
+ {
+ AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
+ gMC->Gspos("V0R0",ndetR,"V0RI",0.0,
+ 0.0,0.0,idrotm[902],"ONLY");
+ ndetR++;
+ }
+
+ gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY");
+
+ ncellsR = (ndetR - 1) * 6;
+ printf(" Number of cells on Right side = %d\n", ncellsR);
+
+// Left part :
+
+ for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg)
+ {
+ AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
+ gMC->Gspos("V0L0",ndetL,"V0LE",0.0,
+ 0.0,0.0,idrotm[902],"ONLY");
+ ndetL++;
+ }
+
+ gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,339.0+fThickness1/2.0,0,"ONLY");
+
+ ncellsL = (ndetL - 1) * 4;
+ printf(" Number of cells on Left side = %d\n", ncellsL);
+ for(i=0;i<75;i++) printf("*");
+ printf("\n");
+
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::BuildGeometry()
+{
+
+// Builds simple ROOT TNode geometry for event display
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<30;i++) printf("*");
+ printf(" VZERO BuildGeometry ");
+ for(i=0;i<30;i++) printf("*");
+ printf("\n");
+
+ TNode *top;
+
+ TNode *v0Rnode, *v0Rnode0, *v0Rnode7, *v0Rnode8, *v0Rnode9, *v0Rnode10;
+ TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4, *v0Rnode5, *v0Rnode6;
+ TNode *v0Lnode, *v0Lnode0;
+ TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4;
+
+ const int kColorVZERO = kGreen;
+
+ top = gAlice->GetGeometry()->GetNode("alice");
+
+ Float_t height1Right, height2Right, height3Right, height4Right;
+ Float_t heightRight;
+ Float_t theta;
+
+ Float_t halfThickQua;
+ Float_t zdet;
+ Float_t r0Right, r4Right, rBoxRight;
+ Float_t pi = TMath::Pi();
+
+ height1Right = 2.6; // height of cell 1, in cm
+ height2Right = 4.6; // height of cell 2, in cm
+ height3Right = 7.6; // height of cell 3, in cm
+ height4Right = 12.7; // height of cell 4, in cm
+
+ theta = pi/4.0/2.0;
+
+ halfThickQua = fThickness1/2.0;
+
+ zdet = 90.0 - 0.6 - fThickness/2.0;
+ r0Right = 4.20;
+ heightRight = height1Right + height2Right + height3Right + height4Right;
+ r4Right = r0Right + heightRight + 0.3;
+ rBoxRight = 38.0;
+
+ Int_t ndiv = 1;
+
+ Float_t partube[3];
+
+ partube[0] = r0Right - 0.2;
+ partube[1] = r4Right + 1.0;
+ partube[2] = fThickness/2.0;
+
+ TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]);
+
+ top->cd();
+
+ v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0);
+
+ v0Rnode->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode);
+ v0Rnode->SetVisibility(2);
+
+// Rondelles de carbone (epaisseur 3.0 mm) de maintien des cellules ...
+
+ Float_t lidThickness = 0.30;
+
+ partube[0] = r0Right;
+ partube[1] = rBoxRight;
+ partube[2] = +lidThickness/2.0;
+
+ TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]);
+
+ v0Rnode->cd();
+ v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0);
+ v0Rnode7->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode7);
+ v0Rnode->cd();
+ v0Rnode8 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0);
+ v0Rnode8->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode8);
+
+ partube[0] = r0Right;
+ partube[1] = r0Right + 0.3;
+ partube[2] = +fThickness/2.0;
+
+ TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]);
+
+ v0Rnode->cd();
+ v0Rnode9 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0);
+ v0Rnode9->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode9);
+
+ partube[0] = rBoxRight - 0.3;
+ partube[1] = rBoxRight;
+ partube[2] = +fThickness/2.0;
+
+ TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]);
+
+ v0Rnode->cd();
+ v0Rnode10 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0);
+ v0Rnode10->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode10);
+
+ Float_t partubs[5];
+
+ partubs[0] = r0Right;
+ partubs[1] = r4Right;
+ partubs[2] = fThickness/2.0;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 135.0-22.5;
+
+ TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+
+ v0R0->SetNumberOfDivisions(ndiv);
+
+ Float_t r1Right = r0Right + 0.3 + height1Right;
+ Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0;
+ Float_t offsetFibers = 1.0;
+
+ partubs[0] = r0Right + 0.3;
+ partubs[1] = r1Right;
+ partubs[2] = fThickness1/2.0;
+
+ TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+
+ v0R1->SetNumberOfDivisions(ndiv);
+
+ Float_t r2Right = r1Right + height2Right;
+
+ partubs[0] = r1Right;
+ partubs[1] = r2Right;
+
+ TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+
+ v0R2->SetNumberOfDivisions(ndiv);
+
+// Ring 3 :
+
+ Float_t r3Right = r2Right + height3Right;
+
+ partubs[0] = r2Right;
+ partubs[1] = r3Right;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 112.5-22.5;
+
+ TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0R3->SetNumberOfDivisions(ndiv);
+
+ partubs[3] = 112.5-22.5;
+ partubs[4] = 135.0-22.5;
+
+ TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0R4->SetNumberOfDivisions(ndiv);
+
+// Ring 4 :
+
+ partubs[0] = r3Right;
+ partubs[1] = r4Right;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 112.5-22.5;
+
+ TTUBS *v0R5 = new TTUBS("V0R5", "V0R5", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0R5->SetNumberOfDivisions(ndiv);
+
+ partubs[3] = 112.5-22.5;
+ partubs[4] = 135.0-22.5;
+
+ TTUBS *v0R6 = new TTUBS("V0R6", "V0R6", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0R6->SetNumberOfDivisions(ndiv);
+
+ Float_t phi;
+ Float_t phiDeg= 180./4.;
+
+ Int_t ndetR = 1;
+
+ char nameNode[12];
+
+ for (phi = 22.5; phi < 360.0; phi = phi + phiDeg)
+
+ {
+ TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+
+ v0Rnode->cd();
+ v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920);
+ v0Rnode0->SetLineColor(kYellow);
+ fNodes->Add(v0Rnode0);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset ,0);
+ v0Rnode1->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode1);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset + offsetFibers,0);
+ v0Rnode2->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode2);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset + 2.0*offsetFibers,0);
+ v0Rnode3->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode3);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset + 2.0*offsetFibers,0);
+ v0Rnode4->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode4);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode5 = new TNode(nameNode,nameNode,v0R5,0.0,0.0, -offset + 2.0*offsetFibers,0);
+ v0Rnode5->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode5);
+ ndetR++;
+
+ sprintf(nameNode,"SUBDER%d",ndetR);
+ v0Rnode0->cd();
+ v0Rnode6 = new TNode(nameNode,nameNode,v0R6,0.0,0.0, -offset + 2.0*offsetFibers,0);
+ v0Rnode6->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Rnode6);
+ ndetR++;
+
+ v0Rnode0->SetVisibility(2);
+ }
+
+// Left side of VZERO :
+
+ Float_t r0Left = 4.3;
+ Float_t height1Left = 3.3;
+ Float_t height2Left = 6.2;
+ Float_t height3Left = 8.9;
+ Float_t height4Left = 20.9;
+ Float_t heightLeft = height1Left + height2Left + height3Left + height4Left;
+
+ Float_t r4Left = r0Left + heightLeft;
+
+ partube[0] = r0Left;
+ partube[1] = r4Left;
+ partube[2] = fThickness1/2.0;
+
+ TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]);
+
+ top->cd();
+
+ v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,339.0+fThickness1/2.0,0);
+
+ v0Lnode->SetLineColor(kBlue);
+ fNodes->Add(v0Lnode);
+
+ v0Lnode->SetVisibility(2);
+
+ partubs[0] = r0Left;
+ partubs[1] = r4Left;
+ partubs[2] = fThickness1/2.0;
+ partubs[3] = 90.0-22.5;
+ partubs[4] = 135.0-22.5;
+
+ TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+
+ v0L0->SetNumberOfDivisions(ndiv);
+ v0L0->SetLineColor(7);
+
+ Float_t offsetLeft;
+ offsetLeft = - fThickness1/2.0;
+
+ Float_t r1Left = r0Left + height1Left;
+
+ partubs[0] = r0Left;
+ partubs[1] = r1Left;
+
+ TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0L1->SetNumberOfDivisions(ndiv);
+
+ Float_t r2Left = r1Left + height2Left;
+
+ partubs[0] = r1Left;
+ partubs[1] = r2Left;
+
+ TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0L2->SetNumberOfDivisions(ndiv);
+
+ Float_t r3Left = r2Left + height3Left;
+
+ partubs[0] = r2Left;
+ partubs[1] = r3Left;
+
+ TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0L3->SetNumberOfDivisions(ndiv);
+
+ partubs[0] = r3Left;
+ partubs[1] = r4Left;
+
+ TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2],
+ partubs[3], partubs[4]);
+ v0L4->SetNumberOfDivisions(ndiv);
+
+ Int_t ndetL = 1;
+
+ for (phi = 22.5; phi < 360.0; phi = phi + phiDeg)
+
+ {
+
+ TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
+
+ sprintf(nameNode,"SUBDEL%d",ndetL);
+
+ v0Lnode->cd();
+ v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920);
+ v0Lnode0->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Lnode0);
+ ndetL++;
+
+ sprintf(nameNode,"SUBDEL%d",ndetL);
+ v0Lnode0->cd();
+ v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0);
+ v0Lnode1->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Lnode1);
+ ndetL++;
+
+ sprintf(nameNode,"SUBDEL%d",ndetL);
+ v0Lnode0->cd();
+ v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0);
+ v0Lnode2->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Lnode2);
+ ndetL++;
+
+ sprintf(nameNode,"SUBDEL%d",ndetL);
+ v0Lnode0->cd();
+ v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0);
+ v0Lnode3->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Lnode3);
+ ndetL++;
+
+ sprintf(nameNode,"SUBDEL%d",ndetL);
+ v0Lnode0->cd();
+ v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0);
+ v0Lnode4->SetLineColor(kColorVZERO);
+ fNodes->Add(v0Lnode4);
+ ndetL++;
+
+ v0Lnode0->SetVisibility(2);
+ }
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::CreateMaterials()
+{
+
+// Creates materials used for geometry
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<25;i++) printf("*");
+ printf(" VZERO create materials ");
+ for(i=0;i<26;i++) printf("*");
+ printf("\n");
+
+/*
+ Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
+ 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
+
+
+ Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
+ 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
+
+ Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
+ 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
+ 1.662295, 1.68337 };
+
+ Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
+ 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
+
+ Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+
+
+ Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+
+
+ Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
+ 1e-4,1e-4,1e-4,1e-4 };
+ Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
+
+*/
+
+ Int_t *idtmed = fIdtmed->GetArray()-2999;
+
+// TGeant3 *geant3 = (TGeant3*) gMC;
+
+// Parameters related to Quarz (SiO2) :
+
+ Float_t aqua[2], zqua[2], densqua, wmatqua[2];
+ Int_t nlmatqua;
+
+ aqua[0] = 28.09;
+ aqua[1] = 16.;
+ zqua[0] = 14.;
+ zqua[1] = 8.;
+ densqua = 2.64;
+ nlmatqua = -2;
+ wmatqua[0] = 1.;
+ wmatqua[1] = 2.;
+
+// Parameters related to aluminum sheets :
+
+ Float_t aal = 26.98;
+ Float_t zal = 13.00;
+ Float_t densal= 2.7;
+ Float_t radlal= 8.9;
+
+// Parameters related to scintillator CH :
+
+ Float_t ascin[2] = {1.00794,12.011};
+ Float_t zscin[2] = {1.,6.};
+ Float_t wscin[2] = {1.,1.};
+ Float_t denscin = 1.032;
+
+// Definition of materials :
+
+ AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
+ AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
+ AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
+ AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
+ AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
+ AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
+
+ AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
+
+
+ Int_t iSXFLD = gAlice->Field()->Integ();
+ Float_t sXMGMX = gAlice->Field()->Max();
+
+ Float_t tmaxfd, stemax, deemax, epsil, stmin;
+
+ tmaxfd = 10.;
+ stemax = 0.1;
+ deemax = 0.1;
+ epsil = 0.001;
+ stmin = 0.001;
+
+// Active Air :
+ AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX,
+ 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
+
+// Inactive air :
+
+ AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX,
+ 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
+
+ AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX,
+ tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
+
+ AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX,
+ tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
+
+ AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX,
+ tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
+
+
+ AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX,
+ tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
+
+ AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0);
+
+ gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
+ gMC->Gstpar(idtmed[3000], "HADR", 1.);
+ gMC->Gstpar(idtmed[3000], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3000], "DRAY", 1.);
+
+ gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon
+ gMC->Gstpar(idtmed[3001], "HADR", 1.);
+ gMC->Gstpar(idtmed[3001], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3001], "DRAY", 1.);
+
+ gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
+ gMC->Gstpar(idtmed[3002], "HADR", 1.);
+ gMC->Gstpar(idtmed[3002], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3002], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
+ gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
+
+ gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
+ gMC->Gstpar(idtmed[3003], "HADR", 1.);
+ gMC->Gstpar(idtmed[3003], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3003], "DRAY", 1.);
+
+ gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum
+ gMC->Gstpar(idtmed[3004], "HADR", 1.);
+ gMC->Gstpar(idtmed[3004], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3004], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
+ gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
+
+ gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
+ gMC->Gstpar(idtmed[3005], "HADR", 1.);
+ gMC->Gstpar(idtmed[3005], "DCAY", 1.);
+ gMC->Gstpar(idtmed[3005], "DRAY", 1.);
+ gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ;
+ gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ;
+
+
+// geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
+// geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
+
+// gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
+// gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
+
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::DrawModule()
+{
+
+// Drawing is done in DrawVZERO.C
+
+ Int_t i;
+
+ printf("\n");
+ for(i=0;i<30;i++) printf("*");
+ printf(" VZERO DrawModule ");
+ for(i=0;i<30;i++) printf("*");
+ printf("\n");
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::Init()
+{
+// Initialises version 2 of the VZERO Detector
+// Just prints an information message
+
+ printf(" VZERO version %d initialized \n",IsVersion());
+
+// gMC->SetMaxStep(fMaxStepAlu);
+// gMC->SetMaxStep(fMaxStepQua);
+
+ AliVZERO::Init();
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::StepManager()
+{
+
+// Step Manager, called at each step
+
+ Int_t copy;
+ static Int_t vol[4];
+ static Float_t hits[21];
+ static Float_t eloss, tlength;
+ static Int_t nPhotonsInStep;
+ static Int_t nPhotons;
+ static Int_t numStep;
+ Float_t ringNumber;
+ Float_t destep, step;
+
+ numStep += 1;
+
+// We keep only charged tracks :
+
+ if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
+
+ vol[0] = gMC->CurrentVolOffID(1, vol[1]);
+ vol[2] = gMC->CurrentVolID(copy);
+ vol[3] = copy;
+
+ if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R1") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L1") )
+ ringNumber = 1.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R2") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L2") )
+ ringNumber = 2.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R3") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0R4") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L3") )
+ ringNumber = 3.0;
+ else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R5") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0R6") ||
+ gMC->CurrentVolID(copy) == gMC->VolId("V0L4") )
+ ringNumber = 4.0;
+ else
+ ringNumber = 0.0;
+
+ if ( ringNumber > 0.5 ) {
+
+ destep = gMC->Edep();
+ step = gMC->TrackStep();
+
+ nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) );
+ nPhotonsInStep = gRandom->Poisson(nPhotonsInStep);
+
+ eloss += destep;
+ tlength += step;
+
+ if ( gMC->IsTrackEntering() ) {
+
+ nPhotons = nPhotonsInStep;
+ gMC->TrackPosition(fTrackPosition);
+ gMC->TrackMomentum(fTrackMomentum);
+
+ Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() +
+ fTrackMomentum.Py() * fTrackMomentum.Py() );
+
+ hits[0] = fTrackPosition.X();
+ hits[1] = fTrackPosition.Y();
+ hits[2] = fTrackPosition.Z();
+ hits[3] = Float_t (gMC->TrackPid());
+
+ hits[4] = gMC->TrackTime();
+ hits[5] = gMC->TrackCharge();
+ hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg();
+ hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg();
+ hits[8] = ringNumber;
+
+ hits[9] = pt;
+ hits[10] = fTrackMomentum.P();
+ hits[11] = fTrackMomentum.Px();
+ hits[12] = fTrackMomentum.Py();
+ hits[13] = fTrackMomentum.Pz();
+
+ TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ hits[14] = par->Vx();
+ hits[15] = par->Vy();
+ hits[16] = par->Vz();
+
+ tlength = 0.0;
+ eloss = 0.0;
+ }
+
+ nPhotons = nPhotons + nPhotonsInStep;
+
+ if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
+
+ nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters));
+ nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot);
+
+ hits[17] = eloss;
+ hits[18] = tlength;
+ hits[19] = nPhotons;
+ hits[20] = GetCellId (vol, hits);
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
+
+ tlength = 0.0;
+ eloss = 0.0;
+ nPhotons = 0;
+ nPhotonsInStep = 0;
+
+ numStep = 0;
+ }
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::AddHit(Int_t track, Int_t *vol, Float_t *hits)
+{
+
+// Adds a VZERO hit
+
+ TClonesArray &lhits = *fHits;
+ new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::AddDigits(Int_t *tracks, Int_t* digits)
+{
+
+// Adds a VZERO digit
+
+ TClonesArray &ldigits = *fDigits;
+ new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
+}
+
+//_____________________________________________________________________________
+void AliVZEROv5::MakeBranch(Option_t *option)
+{
+
+// Creates new branches in the current Root Tree
+
+ char branchname[10];
+ sprintf(branchname,"%s",GetName());
+ printf(" fBufferSize = %d \n",fBufferSize);
+
+ const char *cH = strstr(option,"H");
+
+ if (fHits && TreeH() && cH) {
+ TreeH()->Branch(branchname,&fHits, fBufferSize);
+ printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname);
+ }
+
+ const char *cD = strstr(option,"D");
+
+ if (fDigits && fLoader->TreeD() && cD) {
+ fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize);
+ printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname);
+ }
+
+}
+
+//_____________________________________________________________________________
+Int_t AliVZEROv5::GetCellId(Int_t *vol, Float_t *hits)
+{
+
+ // Returns Id of scintillator cell
+ // Right side from 0 to 47
+ // Left side from 48 to 95
+
+ // hits[8] = ring number (1 to 4)
+ // vol[1] = copy number (1 to 8)
+
+ Int_t index = vol[1];
+ Int_t RingNumber = Int_t(hits[8]);
+ fCellId = 0;
+
+// cout << "volID = " << vol[0] << " copy = " << vol[1] << endl;
+// cout << "X = " << hits[0] << " Y = " << hits[1] << endl;
+
+ Float_t phi = Float_t(TMath::ATan2(Double_t(hits[1]),Double_t(hits[0])) );
+ Float_t kRaddeg = 180.0/TMath::Pi();
+ phi = kRaddeg * phi;
+
+ if (index < 7) index = index + 8;
+
+ if (hits[2] < 0.0) {
+ if(RingNumber < 3) {
+ index = (index - 7) + ( ( RingNumber - 1 ) * 8);}
+ else if(RingNumber >= 3){
+ if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R3")||
+ gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R5") )
+ {index = (index*2 - 14) + ( ( RingNumber - 2 ) * 16); }
+ if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R4")||
+ gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R6") )
+ {index = (index*2 - 13) + ( ( RingNumber - 2 ) * 16); }
+ }
+ fCellId = index;
+ }
+
+ else if (hits[2] > 0.0){
+ index = (index - 7 + 48) + ( ( RingNumber - 1 ) * 8);
+ fCellId = index;}
+
+// cout << " ring = " << RingNumber << " phi = "<< phi << endl;
+// cout << " cellID = " << fCellId << endl;
+// cout << "**********" << endl;
+
+ return fCellId;
+
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff