* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
/* $Id$ */
//
///////////////////////////////////////////////////////////////////////////////
// //
// Photon Multiplicity Detector Version 1 //
+// Bedanga Mohanty : February 14th 2006
// //
//Begin_Html
/*
////
#include "Riostream.h"
-
#include <TVirtualMC.h>
#include "AliConst.h"
+#include "AliLog.h"
+#include "AliMC.h"
#include "AliMagF.h"
#include "AliPMDv1.h"
#include "AliRun.h"
-
-static Int_t kdet, ncell_sm, ncell_hole;
-static Float_t zdist, zdist1;
-static Float_t sm_length, sm_thick, cell_radius, cell_wall, cell_depth;
-static Float_t boundary, th_base, th_air, th_pcb;
-static Float_t th_lead, th_steel;
+const Int_t AliPMDv1::fgkNcolUM1 = 48; // Number of cols in UM, type 1
+const Int_t AliPMDv1::fgkNcolUM2 = 96; // Number of cols in UM, type 2
+const Int_t AliPMDv1::fgkNrowUM1 = 96; // Number of rows in UM, type 1
+const Int_t AliPMDv1::fgkNrowUM2 = 48; // Number of rows in UM, type 2
+const Float_t AliPMDv1::fgkCellRadius = 0.25; // Radius of a hexagonal cell
+const Float_t AliPMDv1::fgkCellWall = 0.02; // Thickness of cell Wall
+const Float_t AliPMDv1::fgkCellDepth = 0.50; // Gas thickness
+const Float_t AliPMDv1::fgkThBase = 0.2; // Thickness of Base plate
+const Float_t AliPMDv1::fgkThBKP = 0.1; // Thickness of Back plane
+const Float_t AliPMDv1::fgkThAir = 1.03; // Thickness of Air
+const Float_t AliPMDv1::fgkThPCB = 0.16; // Thickness of PCB
+const Float_t AliPMDv1::fgkThLead = 1.5; // Thickness of Pb
+const Float_t AliPMDv1::fgkThSteel = 0.5; // Thickness of Steel
+const Float_t AliPMDv1::fgkGap = 0.025; // Air Gap
+const Float_t AliPMDv1::fgkZdist = 361.5; // z-position of the detector
+const Float_t AliPMDv1::fgkSqroot3 = 1.7320508;// Square Root of 3
+const Float_t AliPMDv1::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2
+const Float_t AliPMDv1::fgkSSBoundary = 0.3;
+const Float_t AliPMDv1::fgkThSS = 1.03;
+const Float_t AliPMDv1::fgkThG10 = 1.03;
ClassImp(AliPMDv1)
- //_____________________________________________________________________________
- AliPMDv1::AliPMDv1()
+//_____________________________________________________________________________
+AliPMDv1::AliPMDv1():
+ fSMthick(0.),
+ fDthick(0.),
+ fSMLengthax(0.),
+ fSMLengthay(0.),
+ fSMLengthbx(0.),
+ fSMLengthby(0.),
+ fMedSens(0)
{
//
// Default constructor
//
- fMedSens=0;
+ for (Int_t i = 0; i < 3; i++)
+ {
+ fDboxmm1[i] = 0.;
+ fDboxmm12[i] = 0.;
+ fDboxmm2[i] = 0.;
+ fDboxmm22[i] = 0.;
+ }
}
//_____________________________________________________________________________
-AliPMDv1::AliPMDv1(const char *name, const char *title)
- : AliPMD(name,title)
+AliPMDv1::AliPMDv1(const char *name, const char *title):
+ AliPMD(name,title),
+ fSMthick(0.),
+ fDthick(0.),
+ fSMLengthax(0.),
+ fSMLengthay(0.),
+ fSMLengthbx(0.),
+ fSMLengthby(0.),
+ fMedSens(0)
{
//
// Standard constructor
//
- fMedSens=0;
+ for (Int_t i = 0; i < 3; i++)
+ {
+ fDboxmm1[i] = 0.;
+ fDboxmm12[i] = 0.;
+ fDboxmm2[i] = 0.;
+ fDboxmm22[i] = 0.;
+ }
}
//_____________________________________________________________________________
void AliPMDv1::CreateGeometry()
{
- //
- // Create geometry for Photon Multiplicity Detector Version 3 :
- // April 2, 2001
- //
- //Begin_Html
- /*
- <img src="picts/AliPMDv1.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliPMDv1Tree.gif">
- */
- //End_Html
+ // Create geometry for Photon Multiplicity Detector
+
GetParameters();
CreateSupermodule();
CreatePMD();
//_____________________________________________________________________________
void AliPMDv1::CreateSupermodule()
{
- //
- // Creates the geometry of the cells, places them in supermodule which
- // is a rhombus object.
-
- // *** DEFINITION OF THE GEOMETRY OF THE PMD ***
- // *** HEXAGONAL CELLS WITH CELL RADIUS 0.25 cm (see "GetParameters")
- // -- Author : S. Chattopadhyay, 02/04/1999.
-
- // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is placed inside another
- // hexagonal cell made of Cu (ECCU) with larger radius, compared to ECAR. The difference
- // in radius gives the dimension of half width of each cell wall.
- // These cells are placed as 72 x 72 array in a
- // rhombus shaped supermodule (EHC1). The rhombus shaped modules are designed
- // to have closed packed structure.
- //
- // Each supermodule (ESMA, ESMB), made of G10 is filled with following components
- // EAIR --> Air gap between gas hexagonal cells and G10 backing.
- // EHC1 --> Rhombus shaped parallelopiped containing the hexagonal cells
- // EAIR --> Air gap between gas hexagonal cells and G10 backing.
- //
- // ESMA, ESMB are placed in EMM1 along with EMPB (Pb converter)
- // and EMFE (iron support)
-
- // EMM1 made of
- // ESMB --> Normal supermodule, mirror image of ESMA
- // EMPB --> Pb converter
- // EMFE --> Fe backing
- // ESMA --> Normal supermodule
- //
- // ESMX, ESMY are placed in EMM2 along with EMPB (Pb converter)
+ //
+ // Creates the geometry of the cells of PMD, places them in supermodule
+ // which is a rectangular object.
+ // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is
+ // placed inside another hexagonal cell made of Cu (ECCU) with larger
+ // radius, compared to ECAR. The difference in radius gives the dimension
+ // of half width of each cell wall.
+ // These cells are placed in a rectangular strip which are of 2 types
+ // EST1 and EST2
+ // 2 types of unit modules are made EUM1 and EUM2 which contains these strips
+ // placed repeatedly
+ // Each supermodule (ESMA, ESMB), made of G10 is filled with following
+ //components. They have 6 unit moudles inside them
+ // ESMA, ESMB are placed in EPMD along with EMPB (Pb converter)
// and EMFE (iron support)
- // EMM2 made of
- // ESMY --> Special supermodule, mirror image of ESMX,
- // EMPB --> Pb converter
- // EMFE --> Fe backing
- // ESMX --> First of the two Special supermodules near the hole
-
- // EMM3 made of
- // ESMQ --> Special supermodule, mirror image of ESMX,
- // EMPB --> Pb converter
- // EMFE --> Fe backing
- // ESMP --> Second of the two Special supermodules near the hole
- // EMM2 and EMM3 are used to create the hexagonal HOLE
-
- //
- // EPMD
- // |
- // |
- // ---------------------------------------------------------------------------
- // | | | | |
- // EHOL EMM1 EMM2 EMM3 EALM
- // | | |
- // -------------------- -------------------- --------------------
- // | | | | | | | | | | | |
- // ESMB EMPB EMFE ESMA ESMY EMPB EMFE ESMX ESMQ EMPB EMFE ESMP
- // | | |
- // ------------ ------------ -------------
- // | | | | | | | | |
- // EAIR EHC1 EAIR EAIR EHC2 EAIR EAIR EHC3 EAIR
- // | | |
- // ECCU ECCU ECCU
- // | | |
- // ECAR ECAR ECAR
-
-
- Int_t i, j;
- Float_t xb, yb, zb;
+ Int_t i,j;
Int_t number;
Int_t ihrotm,irotdm;
- const Float_t root3_2 = TMath::Sqrt(3.) /2.;
+ Float_t xb, yb, zb;
+
Int_t *idtmed = fIdtmed->GetArray()-599;
AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
- zdist = TMath::Abs(zdist1);
-
-
- //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu
- // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension
- //(1mm tolerance on both side and 5mm thick G10 wall)
- //
-
- // **** CELL SIZE 20 mm^2 EQUIVALENT
-
+ // STEP - I
+ //******************************************************//
+ // First create the sensitive medium of a hexagon cell (ECAR)
// Inner hexagon filled with gas (Ar+CO2)
-
+
Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23};
-
- hexd2[4]= - cell_depth/2.;
- hexd2[7]= cell_depth/2.;
- hexd2[6]= cell_radius - cell_wall;
- hexd2[9]= cell_radius - cell_wall;
+ hexd2[4] = -fgkCellDepth/2.;
+ hexd2[7] = fgkCellDepth/2.;
+ hexd2[6] = fgkCellRadius - fgkCellWall;
+ hexd2[9] = fgkCellRadius - fgkCellWall;
gMC->Gsvolu("ECAR", "PGON", idtmed[604], hexd2,10);
gMC->Gsatt("ECAR", "SEEN", 0);
+ //******************************************************//
+ // STEP - II
+ //******************************************************//
+ // Place the sensitive medium inside a hexagon copper cell (ECCU)
// Outer hexagon made of Copper
-
+
Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25};
- //total wall thickness=0.2*2
-
- hexd1[4]= - cell_depth/2.;
- hexd1[7]= cell_depth/2.;
- hexd1[6]= cell_radius;
- hexd1[9]= cell_radius;
+ hexd1[4] = -fgkCellDepth/2.;
+ hexd1[7] = fgkCellDepth/2.;
+ hexd1[6] = fgkCellRadius;
+ hexd1[9] = fgkCellRadius;
gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10);
- gMC->Gsatt("ECCU", "SEEN", 1);
-
- // --- place inner hex inside outer hex
+ gMC->Gsatt("ECCU", "SEEN", 0);
+ gMC->Gsatt("ECCU", "COLO", 4);
+ // Place inner hex (sensitive volume) inside outer hex (copper)
+
gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY");
+ //******************************************************//
-// Rhombus shaped supermodules (defined by PARA)
-
-// volume for SUPERMODULE
-
- Float_t dpara_sm1[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_sm1[0]=(ncell_sm+0.25)*hexd1[6] ;
- dpara_sm1[1] = dpara_sm1[0] *root3_2;
- dpara_sm1[2] = sm_thick/2.;
+ // STEP - III
+ //******************************************************//
+ // Now create Rectangular TWO strips (EST1, EST2)
+ // of 1 column and 48 or 96 cells length
-//
- gMC->Gsvolu("ESMA","PARA", idtmed[607], dpara_sm1, 6);
- gMC->Gsatt("ESMA", "SEEN", 0);
- //
- gMC->Gsvolu("ESMB","PARA", idtmed[607], dpara_sm1, 6);
- gMC->Gsatt("ESMB", "SEEN", 0);
+ // volume for first strip EST1 made of AIR
- // Air residing between the PCB and the base
-
- Float_t dpara_air[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_air[0]= dpara_sm1[0];
- dpara_air[1]= dpara_sm1[1];
- dpara_air[2]= th_air/2.;
-
- gMC->Gsvolu("EAIR","PARA", idtmed[698], dpara_air, 6);
- gMC->Gsatt("EAIR", "SEEN", 0);
-
- // volume for honeycomb chamber EHC1
-
- Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.};
- dpara1[0] = dpara_sm1[0];
- dpara1[1] = dpara_sm1[1];
- dpara1[2] = cell_depth/2.;
-
- gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6);
- gMC->Gsatt("EHC1", "SEEN", 1);
+ Float_t dbox1[3];
+ dbox1[0] = fgkCellRadius/fgkSqroot3by2;
+ dbox1[1] = fgkNrowUM1*fgkCellRadius;
+ dbox1[2] = fgkCellDepth/2.;
+ gMC->Gsvolu("EST1","BOX", idtmed[698], dbox1, 3);
+ gMC->Gsatt("EST1", "SEEN", 0);
+ // volume for second strip EST2
- // Place hexagonal cells ECCU cells inside EHC1 (72 X 72)
- Int_t xrow=1;
+ Float_t dbox2[3];
+ dbox2[1] = fgkNrowUM2*fgkCellRadius;
+ dbox2[0] = dbox1[0];
+ dbox2[2] = dbox1[2];
- yb = -dpara1[1] + (1./root3_2)*hexd1[6];
- zb = 0.;
+ gMC->Gsvolu("EST2","BOX", idtmed[698], dbox2, 3);
+ gMC->Gsatt("EST2", "SEEN", 0);
- for (j = 1; j <= ncell_sm; ++j) {
- xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg)
- if(xrow >= 2){
- xb = xb+(xrow-1)*hexd1[6];
- }
- for (i = 1; i <= ncell_sm; ++i) {
- number = i+(j-1)*ncell_sm;
- gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY");
- xb += (hexd1[6]*2.);
+ // Place hexagonal cells ECCU placed inside EST1
+ xb = 0.;
+ zb = 0.;
+ yb = (dbox1[1]) - fgkCellRadius;
+ for (i = 1; i <= fgkNrowUM1; ++i)
+ {
+ number = i;
+ gMC->Gspos("ECCU", number, "EST1", xb,yb,zb, 0, "ONLY");
+ yb -= (fgkCellRadius*2.);
}
- xrow = xrow+1;
- yb += (hexd1[6]*TMath::Sqrt(3.));
- }
-
-
- // Place EHC1 and EAIR into ESMA and ESMB
-
- Float_t z_air1,z_air2,z_gas;
-
- //ESMA is normal supermodule with base at bottom, with EHC1
- z_air1= -dpara_sm1[2] + th_base + dpara_air[2];
- gMC->Gspos("EAIR", 1, "ESMA", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara_air[2]+ th_pcb + dpara1[2];
- gMC->Gspos("EHC1", 1, "ESMA", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara1[2]+ th_pcb + dpara_air[2];
- gMC->Gspos("EAIR", 2, "ESMA", 0., 0., z_air2, 0, "ONLY");
-
- // ESMB is mirror image of ESMA, with base at top, with EHC1
-
- z_air1= -dpara_sm1[2] + th_pcb + dpara_air[2];
- gMC->Gspos("EAIR", 3, "ESMB", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara_air[2]+ th_pcb + dpara1[2];
- gMC->Gspos("EHC1", 2, "ESMB", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara1[2]+ th_pcb + dpara_air[2];
- gMC->Gspos("EAIR", 4, "ESMB", 0., 0., z_air2, 0, "ONLY");
-
-
-// special supermodule EMM2(GEANT only) containing 6 unit modules
-
-// volume for SUPERMODULE
-
- Float_t dpara_sm2[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_sm2[0]=(ncell_sm+0.25)*hexd1[6] ;
- dpara_sm2[1] = (ncell_sm - ncell_hole + 0.25) * root3_2 * hexd1[6];
- dpara_sm2[2] = sm_thick/2.;
-
- gMC->Gsvolu("ESMX","PARA", idtmed[607], dpara_sm2, 6);
- gMC->Gsatt("ESMX", "SEEN", 0);
- //
- gMC->Gsvolu("ESMY","PARA", idtmed[607], dpara_sm2, 6);
- gMC->Gsatt("ESMY", "SEEN", 0);
-
- Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.};
- dpara2[0] = dpara_sm2[0];
- dpara2[1] = dpara_sm2[1];
- dpara2[2] = cell_depth/2.;
-
- gMC->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6);
- gMC->Gsatt("EHC2", "SEEN", 1);
-
- // Air residing between the PCB and the base
-
- Float_t dpara2_air[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara2_air[0]= dpara_sm2[0];
- dpara2_air[1]= dpara_sm2[1];
- dpara2_air[2]= th_air/2.;
-
- gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2_air, 6);
- gMC->Gsatt("EAIX", "SEEN", 0);
-
- // Place hexagonal single cells ECCU inside EHC2
- // skip cells which go into the hole in top left corner.
-
- xrow=1;
- yb = -dpara2[1] + (1./root3_2)*hexd1[6];
+ // Place hexagonal cells ECCU placed inside EST2
+ xb = 0.;
zb = 0.;
- for (j = 1; j <= (ncell_sm - ncell_hole); ++j) {
- xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6];
- if(xrow >= 2){
- xb = xb+(xrow-1)*hexd1[6];
- }
- for (i = 1; i <= ncell_sm; ++i) {
- number = i+(j-1)*ncell_sm;
- gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY");
- xb += (hexd1[6]*2.);
+ yb = (dbox2[1]) - fgkCellRadius;
+ for (i = 1; i <= fgkNrowUM2; ++i)
+ {
+ number = i;
+ gMC->Gspos("ECCU", number, "EST2", xb,yb,zb, 0, "ONLY");
+ //PH cout << "ECCU in EST2 ==> " << number << "\t"<<xb << "\t"<<yb <<endl;
+ yb -= (fgkCellRadius*2.);
}
- xrow = xrow+1;
- yb += (hexd1[6]*TMath::Sqrt(3.));
- }
- // ESMX is normal supermodule with base at bottom, with EHC2
+ //******************************************************//
+
+
+ // STEP - IV
+ //******************************************************//
+ // 2 types of rectangular shaped unit modules EUM1 and EUM2 (defined by BOX)
+ //---------------------------------EHC1 Start----------------------//
+ // Create EHC1 : The honey combs for a unit module type 1
+ // First step is to create a honey comb unit module.
+ // This is named as EHC1, we will lay the EST1 strips of
+ // honey comb cells inside it.
- z_air1= -dpara_sm2[2] + th_base + dpara2_air[2];
- gMC->Gspos("EAIX", 1, "ESMX", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara2_air[2]+ th_pcb + dpara2[2];
- gMC->Gspos("EHC2", 1, "ESMX", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara2[2]+ th_pcb + dpara2_air[2];
- gMC->Gspos("EAIX", 2, "ESMX", 0., 0., z_air2, 0, "ONLY");
-
- // ESMY is mirror image of ESMX with base at bottom, with EHC2
+ //Dimensions of EHC1
+ //X-dimension = Number of columns + cell radius
+ //Y-dimension = Number of rows * cell radius/sqrt3by2 - (some factor)
+ //Z-dimension = cell depth/2
+
+ Float_t dbox3[3];
+ dbox3[0] = (dbox1[0]*fgkNcolUM1)-(fgkCellRadius*fgkSqroot3*(fgkNcolUM1-1)/6.);
+ dbox3[1] = dbox1[1]+fgkCellRadius/2.;
+ dbox3[2] = fgkCellDepth/2.;
+
+ //Create a BOX, Material AIR
+ gMC->Gsvolu("EHC1","BOX", idtmed[698], dbox3, 3);
+ gMC->Gsatt("EHC1", "SEEN", 0);
+ // Place rectangular strips EST1 inside EHC1 unit module
+ xb = dbox3[0]-dbox1[0];
- z_air1= -dpara_sm2[2] + th_pcb + dpara2_air[2];
- gMC->Gspos("EAIX", 3, "ESMY", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara2_air[2]+ th_pcb + dpara2[2];
- gMC->Gspos("EHC2", 2, "ESMY", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara2[2]+ th_pcb + dpara2_air[2];
- gMC->Gspos("EAIX", 4, "ESMY", 0., 0., z_air2, 0, "ONLY");
-
-//
-
-
-// special supermodule EMM3 (GEANT only) containing 2 unit modules
-
-// volume for SUPERMODULE
-
- Float_t dpara_sm3[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_sm3[0]=(ncell_sm - ncell_hole +0.25)*hexd1[6] ;
- dpara_sm3[1] = (ncell_hole + 0.25) * hexd1[6] * root3_2;
- dpara_sm3[2] = sm_thick/2.;
-
- gMC->Gsvolu("ESMP","PARA", idtmed[607], dpara_sm3, 6);
- gMC->Gsatt("ESMP", "SEEN", 0);
- //
- gMC->Gsvolu("ESMQ","PARA", idtmed[607], dpara_sm3, 6);
- gMC->Gsatt("ESMQ", "SEEN", 0);
-
- Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.};
- dpara3[0] = dpara_sm3[0];
- dpara3[1] = dpara_sm3[1];
- dpara3[2] = cell_depth/2.;
-
- gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6);
- gMC->Gsatt("EHC3", "SEEN", 1);
+ for (j = 1; j <= fgkNcolUM1; ++j)
+ {
+ if(j%2 == 0)
+ {
+ yb = -fgkCellRadius/2.0;
+ }
+ else
+ {
+ yb = fgkCellRadius/2.0;
+ }
+ number = j;
+ gMC->Gspos("EST1",number, "EHC1", xb, yb , 0. , 0, "MANY");
+ //The strips are being placed from top towards bottom of the module
+ //This is because the first cell in a module in hardware is the top
+ //left corner cell
+ xb = (dbox3[0]-dbox1[0])-j*fgkCellRadius*fgkSqroot3;
+ }
+ //--------------------EHC1 done----------------------------------//
- // Air residing between the PCB and the base
- Float_t dpara3_air[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara3_air[0]= dpara_sm3[0];
- dpara3_air[1]= dpara_sm3[1];
- dpara3_air[2]= th_air/2.;
+ //---------------------------------EHC2 Start----------------------//
+ // Create EHC2 : The honey combs for a unit module type 2
+ // First step is to create a honey comb unit module.
+ // This is named as EHC2, we will lay the EST2 strips of
+ // honey comb cells inside it.
- gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3_air, 6);
- gMC->Gsatt("EAIP", "SEEN", 0);
+ //Dimensions of EHC2
+ //X-dimension = Number of columns + cell radius
+ //Y-dimension = Number of rows * cell radius/sqrt3by2 - (some factor)
+ //Z-dimension = cell depth/2
+ dbox3[0] = (dbox1[0]*fgkNcolUM1)-(fgkCellRadius*fgkSqroot3*(fgkNcolUM1-1)/6.);
+ dbox3[1] = dbox1[1]+fgkCellRadius/2.;
+ dbox3[2] = fgkCellDepth/2.;
- // Place hexagonal single cells ECCU inside EHC3
- // skip cells which go into the hole in top left corner.
+ Float_t dbox4[3];
- xrow=1;
- yb = -dpara3[1] + (1./root3_2)*hexd1[6];
- zb = 0.;
- for (j = 1; j <= ncell_hole; ++j) {
- xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6];
- if(xrow >= 2){
- xb = xb+(xrow-1)*hexd1[6];
- }
- for (i = 1; i <= (ncell_sm - ncell_hole); ++i) {
- number = i+(j-1)*(ncell_sm - ncell_hole);
- gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY");
- xb += (hexd1[6]*2.);
- }
- xrow = xrow+1;
- yb += (hexd1[6]*TMath::Sqrt(3.));
+ dbox4[0] =(dbox2[0]*fgkNcolUM2)-(fgkCellRadius*fgkSqroot3*(fgkNcolUM2-1)/6.);
+ dbox4[1] = dbox2[1] + fgkCellRadius/2.;
+ dbox4[2] = dbox3[2];
+
+ //Create a BOX of AIR
+ gMC->Gsvolu("EHC2","BOX", idtmed[698], dbox4, 3);
+ gMC->Gsatt("EHC2", "SEEN", 0);
+
+ // Place rectangular strips EST2 inside EHC2 unit module
+ xb = dbox4[0]-dbox2[0];
+ for (j = 1; j <= fgkNcolUM2; ++j)
+ {
+ if(j%2 == 0)
+ {
+ yb = -fgkCellRadius/2.0;
+ }
+ else
+ {
+ yb = +fgkCellRadius/2.0;
}
+ number = j;
+ gMC->Gspos("EST2",number, "EHC2", xb, yb , 0. ,0, "MANY");
+ xb = (dbox4[0]-dbox2[0])-j*fgkCellRadius*fgkSqroot3;
+ }
+
- // ESMP is normal supermodule with base at bottom, with EHC3
+ //--------------------EHC2 done----------------------------------//
+
+
+ // Now the job is to assmeble an Unit module
+ // It will have the following components
+ // (a) Base plate of G10 of 0.2 cm
+ // (b) Air gap of 0.05 cm
+ // (c) Bottom PCB of 0.16 cm G10
+ // (d) Honey comb 0f 0.5 cm
+ // (e) Top PCB of 0.16 cm G10
+ // (f) Air gap of 0.16 cm
+ // (g) Back Plane of 0.1 cm G10
+ // (h) Then all around then we have an air gap of 0.5mm
+ // (i) Then all around 0.5mm thick G10 insulation
+ // (h) Then all around Stainless Steel boundary channel 0.3 cm thick
+ //Let us first create them one by one
+ //---------------------------------------------------//
+
+ // ---------------- Lets do it first for UM Type A -----//
+
+ //--------------------------------------------------//
+ //Bottom and Top PCB : EPCA
+ //===========================
+ // Make a 1.6mm thick G10 Bottom and Top PCB for Unit module A
+ // X-dimension same as EHC1 - dbox3[0]
+ // Y-dimension same as EHC1 - dbox3[1]
+ // Z-dimension 0.16/2 = 0.08 cm
+ //-------------------------------------------------//
+ Float_t dboxPcbA[3];
+ dboxPcbA[0] = dbox3[0];
+ dboxPcbA[1] = dbox3[1];
+ dboxPcbA[2] = fgkThPCB/2.;
- z_air1= -dpara_sm3[2] + th_base + dpara3_air[2];
- gMC->Gspos("EAIP", 1, "ESMP", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara3_air[2]+ th_pcb + dpara3[2];
- gMC->Gspos("EHC3", 1, "ESMP", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara3[2]+ th_pcb + dpara3_air[2];
- gMC->Gspos("EAIP", 2, "ESMP", 0., 0., z_air2, 0, "ONLY");
-
- // ESMQ is mirror image of ESMP with base at bottom, with EHC3
+ //Top and Bottom PCB is a BOX of Material G10
+ gMC->Gsvolu("EPCA","BOX", idtmed[607], dboxPcbA, 3);
+ gMC->Gsatt("EPCA", "SEEN", 0);
+ //--------------------------------------------------------//
+ //Back Plane : EBKA
+ //==================
+ // Make a 1.0mm thick Back Plane PCB for Unit module A
+ // X-dimension same as EHC1 - dbox3[0]
+ // Y-dimension same as EHC1 - dbox3[1]
+ // Z-dimension 0.1/2 = 0.05 cm
+ //------------------------------------------------------//
+ Float_t dboxBPlaneA[3];
+ dboxBPlaneA[0] = dbox3[0];
+ dboxBPlaneA[1] = dbox3[1];
+ dboxBPlaneA[2] = fgkThBKP/2.;
- z_air1= -dpara_sm3[2] + th_pcb + dpara3_air[2];
- gMC->Gspos("EAIP", 3, "ESMQ", 0., 0., z_air1, 0, "ONLY");
- z_gas=z_air1+dpara3_air[2]+ th_pcb + dpara3[2];
- gMC->Gspos("EHC3", 2, "ESMQ", 0., 0., z_gas, 0, "ONLY");
- z_air2=z_gas+dpara3[2]+ th_pcb + dpara3_air[2];
- gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., z_air2, 0, "ONLY");
-
-}
-
-//_____________________________________________________________________________
-
-void AliPMDv1::CreatePMD()
-{
- //
- // Create final detector from supermodules
- //
- // -- Author : Y.P. VIYOGI, 07/05/1996.
- // -- Modified: P.V.K.S.Baba(JU), 15-12-97.
- // -- Modified: For New Geometry YPV, March 2001.
+ //Back PLane PCB of MAterial G10
+ gMC->Gsvolu("EBKA","BOX", idtmed[607], dboxBPlaneA, 3);
+ gMC->Gsatt("EBKA", "SEEN", 0);
+ //-------------------------------------------------------------//
+
+ //---------- That was all in the Z -direction of Unit Module A----//
+
+ // Now lets us construct the boundary arround the Unit Module --//
+ // This boundary has
+ // (a) 0.5 mm X and Y and 10.3 mm Z dimension AIR gap
+ // (b) 0.5 mm X and Y and 10.3 mm Z dimension G10
+ // (c) 3.0 mm X and Y and 12.3 mm Z dimension Stainless Steel
+
+
+
+ //-------------------------------------------------//
+ //AIR GAP between UM and Boundary : ECGA FOR PRESHOWER PLANE
+ //==========================================================
+ // Make a 10.3mm thick Air gap for Unit module A
+ // X-dimension same as EHC1+0.05
+ // Y-dimension same as EHC1+0.05
+ // Z-dimension 1.03/2 = 0.515 cm
+ Float_t dboxAir3A[3];
+ dboxAir3A[0] = dbox3[0]+(2.0*fgkGap);
+ dboxAir3A[1] = dbox3[1]+(2.0*fgkGap);
+ dboxAir3A[2] = fgkThAir/2.;
+
+ //FOR PRESHOWER
+ //Air gap is a BOX of Material Air
+ gMC->Gsvolu("ECGA","BOX", idtmed[698], dboxAir3A, 3);
+ gMC->Gsatt("ECGA", "SEEN", 0);
+
+ //FOR VETO
+ //Air gap is a BOX of Material Air
+ gMC->Gsvolu("ECVA","BOX", idtmed[698], dboxAir3A, 3);
+ gMC->Gsatt("ECVA", "SEEN", 0);
+ //-------------------------------------------------//
+
+ //-------------------------------------------------//
+ //G10 boundary between honeycomb and SS : EDGA
+ //================================================
+ // Make a 10.3mm thick G10 Boundary for Unit module A
+ // X-dimension same as EHC1+Airgap+0.05
+ // Y-dimension same as EHC1+Airgap+0.05
+ // Z-dimension 1.03/2 = 0.515 cm
+ Float_t dboxGGA[3];
+ dboxGGA[0] = dboxAir3A[0]+(2.0*fgkGap);
+ dboxGGA[1] = dboxAir3A[1]+(2.0*fgkGap);
+ dboxGGA[2] = fgkThG10/2.;
+
+ //FOR PRESHOWER
+ //G10 BOX
+ gMC->Gsvolu("EDGA","BOX", idtmed[607], dboxGGA, 3);
+ gMC->Gsatt("EDGA", "SEEN", 0);
+
+ //FOR VETO
+ //G10 BOX
+ gMC->Gsvolu("EDVA","BOX", idtmed[607], dboxGGA, 3);
+ gMC->Gsatt("EDVA", "SEEN", 0);
+
+ //-------------------------------------------------//
+ //----------------------------------------------------------//
+ //Stainless Steel Bounadry : ESSA
+ //==================================
+ // Make a 10.3mm thick Stainless Steel boundary for Unit module A
+ // X-dimension same as EHC1 + Airgap + G10 + 0.3
+ // Y-dimension same as EHC1 + Airgap + G10 + 0.3
+ // Z-dimension 1.03/2 = 0.515 cm
+ //------------------------------------------------------//
+ // A Stainless Steel Boundary Channel to house the unit module
+
+ Float_t dboxSS1[3];
+ dboxSS1[0] = dboxGGA[0]+fgkSSBoundary;
+ dboxSS1[1] = dboxGGA[1]+fgkSSBoundary;
+ dboxSS1[2] = fgkThSS/2.;
+
+ //FOR PRESHOWER
+ //Stainless Steel boundary - Material Stainless Steel
+ gMC->Gsvolu("ESSA","BOX", idtmed[618], dboxSS1, 3);
+ gMC->Gsatt("ESSA", "SEEN", 0);
- const Float_t root3_2 = TMath::Sqrt(3.)/2.;
- const Float_t pi = 3.14159;
- Int_t i,j;
+ //FOR VETO
+ //Stainless Steel boundary - Material Stainless Steel
+ gMC->Gsvolu("ESVA","BOX", idtmed[618], dboxSS1, 3);
+ gMC->Gsatt("ESVA", "SEEN", 0);
- Float_t xp, yp, zp;
+ //----------------------------------------------------------------//
- Int_t num_mod;
- Int_t jhrot12,jhrot13, irotdm;
+ //----------------------------------------------------------------//
+ // Here we need to place the volume in order ESSA -> EDGA -> ECGA
+ // this makes the SS boundary and the 0.5mm thick FR4 insulation in place,
+ // and the air volume ECGA acts as mother for the rest of components.
+ // The above placeemnt is done at (0.,0.,0.) relative coordiante
+ // Now we place bottom PCB, honeycomb, top PCB in this volume. We donot place
+ // unnecessary air volumes now. Just leave the gap as we are placing them
+ // in air only. This also reduces the number of volumes for geant to track.
- Int_t *idtmed = fIdtmed->GetArray()-599;
+// Tree structure for different volumes
+//
+// EUM1
+// |
+// --------------------
+// | | |
+// EBPA ESSA EBKA
+// |
+// EDGA
+// |
+// ECGA
+// |
+// --------------------
+// | | |
+// EPCA(1) EHC1 EPCA(2)
+// (bottom) | (top PCB)
+// |
+// Sensitive volume
+// (gas)
+//
+
+
+ //FOR VETO
+//Creating the side channels
+// SS boundary channel, followed by G10 and Air Gap
+ gMC->Gspos("EDVA", 1, "ESVA", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("ECVA", 1, "EDVA", 0., 0., 0., 0, "ONLY");
+
+//FOR PRESHOWER
+ gMC->Gspos("EDGA", 1, "ESSA", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("ECGA", 1, "EDGA", 0., 0., 0., 0, "ONLY");
+
+ // now other components, using Bedanga's code, but changing the values.
+ //Positioning Bottom PCB, Honey Comb abd Top PCB in AIR
+
+ //For veto plane
+ //Positioning the Bottom 0.16 cm PCB
+ Float_t zbpcb = -dboxAir3A[2] + (2.0*fgkGap) + fgkThPCB/2.;
+ gMC->Gspos("EPCA", 1, "ECVA", 0., 0., zbpcb, 0, "ONLY");
+ //Positioning the Honey Comb 0.5 cm
+ Float_t zhc = zbpcb + fgkThPCB/2. + fgkCellDepth/2.;
+ gMC->Gspos("EHC1", 1, "ECVA", 0., 0., zhc, 0, "ONLY");
+ //Positioning the Top PCB 0.16 cm
+ Float_t ztpcb = zhc + fgkCellDepth/2 + fgkThPCB/2.;
+ gMC->Gspos("EPCA", 2, "ECVA", 0., 0., ztpcb, 0, "ONLY");
+
+
+ //For Preshower plane the ordering is reversed
+ //Positioning the Bottom 0.16 cm PCB
+ zbpcb = -dboxAir3A[2] + fgkThPCB + fgkThPCB/2.;
+ gMC->Gspos("EPCA", 1, "ECGA", 0., 0., zbpcb, 0, "ONLY");
+ //Positioning the Honey Comb 0.5 cm
+ zhc = zbpcb + fgkThPCB/2. + fgkCellDepth/2.;
+ gMC->Gspos("EHC1", 1, "ECGA", 0., 0., zhc, 0, "ONLY");
+ //Positioning the Top PCB 0.16 cm
+ ztpcb = zhc + fgkCellDepth/2 + fgkThPCB/2.;
+ gMC->Gspos("EPCA", 2, "ECGA", 0., 0., ztpcb, 0, "ONLY");
+
+
+
+
+ //--------------Now let us construct final UM ---------------//
+ // We will do it as follows :
+ // (i) First make a UM of air. which will have dimensions
+ // of the SS boundary Channel (in x,y) and of height 13.3mm
+ //(ii) Then we will place all the components
+
+ //----------------------------------------------------------//
+ // A unit module type A of Air
+ // Dimensions of Unit Module same as SS boundary channel
+ Float_t dboxUM1[3];
+ dboxUM1[0] = dboxSS1[0];
+ dboxUM1[1] = dboxSS1[1];
+ dboxUM1[2] = fgkThSS/2. +0.15; // 0.15 added to accomodate Base Plate at
+ // the bottom and the backplane PCB at the top.
+
+ //FOR PRESHOWER
+ //Create a Unit module of above dimensions Material : AIR
+ gMC->Gsvolu("EUM1","BOX", idtmed[698], dboxUM1, 3);
+ gMC->Gsatt("EUM1", "SEEN", 0);
+ //FOR VETO
+ gMC->Gsvolu("EUV1","BOX", idtmed[698], dboxUM1, 3);
+ gMC->Gsatt("EUV1", "SEEN", 0);
+
+ //----------------------------------------------------------------//
+
+ //BASE PLATE : EBPA
+ //==================
+ // Make a 2mm thick G10 Base plate for Unit module A
+ // Base plate is as big as the final UM dimensions that is as
+ // SS boundary channel
+ Float_t dboxBaseA[3];
+ dboxBaseA[0] = dboxSS1[0];
+ dboxBaseA[1] = dboxSS1[1];
+ dboxBaseA[2] = fgkThBase/2.;
- // VOLUMES Names : begining with "E" for all PMD volumes,
- // The names of SIZE variables begin with S and have more meaningful
- // characters as shown below.
+ //Base Blate is a G10 BOX
+ gMC->Gsvolu("EBPA","BOX", idtmed[607], dboxBaseA, 3);
+ gMC->Gsatt("EBPA", "SEEN", 0);
+ //----------------------------------------------------//
+
+ //FOR VETO
+ //- Placing of all components of UM in AIR BOX EUM1--//
+ //(1) FIRST PUT THE BASE PLATE
+ Float_t zbaseplate = -dboxUM1[2] + fgkThBase/2.;
+ gMC->Gspos("EBPA", 1, "EUV1", 0., 0., zbaseplate, 0, "ONLY");
+
+ //(2) NEXT PLACING the SS BOX
+ Float_t zss = zbaseplate + fgkThBase/2. + fgkThSS/2.;
+ gMC->Gspos("ESVA", 1, "EUV1", 0., 0., zss, 0, "ONLY");
- // VOLUME SIZE MEDIUM : REMARKS
- // ------ ----- ------ : ---------------------------
+ // (3) Positioning the Backplane PCB 0.1 cm
+ Float_t zbkp = zss + fgkThSS/2. + fgkThBKP/2.;
+ gMC->Gspos("EBKA", 1, "EUV1", 0., 0., zbkp, 0, "ONLY");
+
+ //FOR PRESHOWER
+ // (3) Positioning the Backplane PCB 0.1 cm
+ zbkp = -dboxUM1[2] + fgkThBKP/2.;
+ gMC->Gspos("EBKA", 1, "EUM1", 0., 0., zbkp, 0, "ONLY");
+
+ //(2) NEXT PLACING the SS BOX
+ zss = zbkp + fgkThBKP/2. + fgkThSS/2.;
+ gMC->Gspos("ESSA", 1, "EUM1", 0., 0., zss, 0, "ONLY");
- // EPMD GASPMD AIR : INSIDE PMD and its SIZE
+ //(1) FIRST PUT THE BASE PLATE
+ zbaseplate = zss + fgkThSS/2 + fgkThBase/2.;
+ gMC->Gspos("EBPA", 1, "EUM1", 0., 0., zbaseplate, 0, "ONLY");
+ //-------------------- UM Type A completed ------------------------//
+
+
+
+ //-------------------- Lets do the same thing for UM type B -------//
+ //--------------------------------------------------//
+ //Bottom and Top PCB : EPCB
+ //===========================
+ // Make a 1.6mm thick G10 Bottom and Top PCB for Unit module B
+ // X-dimension same as EHC2 - dbox4[0]
+ // Y-dimension same as EHC2 - dbox4[1]
+ // Z-dimension 0.16/2 = 0.08 cm
+ //-------------------------------------------------//
+ Float_t dboxPcbB[3];
+ dboxPcbB[0] = dbox4[0];
+ dboxPcbB[1] = dbox4[1];
+ dboxPcbB[2] = fgkThPCB/2.;
- // *** Define the EPMD Volume and fill with air ***
-
-
- // Gaspmd, the dimension of HEXAGONAL mother volume of PMD,
-
-
- Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.};
-
- gaspmd[5] = ncell_hole * cell_radius * 2. * root3_2;
- gaspmd[8] = gaspmd[5];
-
- gMC->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10);
- gMC->Gsatt("EPMD", "SEEN", 0);
-
- AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
-
- AliMatrix(jhrot12, 90., 120., 90., 210., 0., 0.);
- AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
-
-
- Float_t dm_thick = 2. * sm_thick + th_lead + th_steel;
-
- // dpara_emm1 array contains parameters of the imaginary volume EMM1,
- // EMM1 is a master module of type 1, which has 24 copies in the PMD.
- // EMM1 : normal volume as in old cases
-
-
- Float_t dpara_emm1[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_emm1[0] = sm_length/2.;
- dpara_emm1[1] = dpara_emm1[0] *root3_2;
- dpara_emm1[2] = dm_thick/2.;
-
- gMC->Gsvolu("EMM1","PARA", idtmed[698], dpara_emm1, 6);
- gMC->Gsatt("EMM1", "SEEN", 1);
-
- //
- // --- DEFINE Modules, iron, and lead volumes
+ //Top and Bottom PCB is a BOX of Material G10
+ gMC->Gsvolu("EPCB","BOX", idtmed[607], dboxPcbB, 3);
+ gMC->Gsatt("EPCB", "SEEN", 0);
+ //--------------------------------------------------------//
+ //Back Plane : EBKB
+ //==================
+ // Make a 1.0mm thick Back Plane PCB for Unit module B
+ // X-dimension same as EHC2 - dbox4[0]
+ // Y-dimension same as EHC2 - dbox4[1]
+ // Z-dimension 0.1/2 = 0.05 cm
+ //------------------------------------------------------//
+ Float_t dboxBPlaneB[3];
+ dboxBPlaneB[0] = dbox4[0];
+ dboxBPlaneB[1] = dbox4[1];
+ dboxBPlaneB[2] = fgkThBKP/2.;
- // Pb Convertor for EMM1
- Float_t dpara_pb1[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_pb1[0] = sm_length/2.;
- dpara_pb1[1] = dpara_pb1[0] * root3_2;
- dpara_pb1[2] = th_lead/2.;
-
- gMC->Gsvolu("EPB1","PARA", idtmed[600], dpara_pb1, 6);
- gMC->Gsatt ("EPB1", "SEEN", 0);
-
- // Fe Support for EMM1
- Float_t dpara_fe1[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_fe1[0] = dpara_pb1[0];
- dpara_fe1[1] = dpara_pb1[1];
- dpara_fe1[2] = th_steel/2.;
-
- gMC->Gsvolu("EFE1","PARA", idtmed[618], dpara_fe1, 6);
- gMC->Gsatt ("EFE1", "SEEN", 0);
+ //Back PLane PCB of MAterial G10
+ gMC->Gsvolu("EBKB","BOX", idtmed[607], dboxBPlaneB, 3);
+ gMC->Gsatt("EBKB", "SEEN", 0);
+ //-------------------------------------------------------------//
+
+ //---------- That was all in the Z -direction of Unit Module B----//
+
+ // Now lets us construct the boundary arround the Unit Module --//
+ // This boundary has
+ // (a) 0.5 mm X and Y and 10.3 mm Z dimension AIR gap
+ // (b) 0.5 mm X and Y and 10.3 mm Z dimension G10
+ // (c) 3.0 mm X and Y and 12.3 mm Z dimension Stainless Steel
+
+ //-------------------------------------------------//
+ //AIR GAP between UM and Boundary : ECGB
+ //================================================
+ // Make a 10.3mm thick Air gap for Unit module B
+ // X-dimension same as EHC2+0.05
+ // Y-dimension same as EHC2+0.05
+ // Z-dimension 1.03/2 = 0.515 cm
+ Float_t dboxAir3B[3];
+ dboxAir3B[0] = dbox4[0]+(2.0*fgkGap);
+ dboxAir3B[1] = dbox4[1]+(2.0*fgkGap);
+ dboxAir3B[2] = fgkThAir/2.;
+
+ //PRESHOWER
+ //Air gap is a BOX of Material Air
+ gMC->Gsvolu("ECGB","BOX", idtmed[698], dboxAir3B, 3);
+ gMC->Gsatt("ECGB", "SEEN", 0);
+ //VETO
+ gMC->Gsvolu("ECVB","BOX", idtmed[698], dboxAir3B, 3);
+ gMC->Gsatt("ECVB", "SEEN", 0);
+
+ //-------------------------------------------------//
+
+ //-------------------------------------------------//
+ //G10 boundary between honeycomb and SS : EDGB
+ //================================================
+ // Make a 10.3mm thick G10 Boundary for Unit module B
+ // X-dimension same as EHC2+Airgap+0.05
+ // Y-dimension same as EHC2+Airgap+0.05
+ // Z-dimension 1.03/2 = 0.515 cm
+ Float_t dboxGGB[3];
+ dboxGGB[0] = dboxAir3B[0]+(2.0*fgkGap);
+ dboxGGB[1] = dboxAir3B[1]+(2.0*fgkGap);
+ dboxGGB[2] = fgkThG10/2.;
+
+ //PRESHOWER
+ //G10 BOX
+ gMC->Gsvolu("EDGB","BOX", idtmed[607], dboxGGB, 3);
+ gMC->Gsatt("EDGB", "SEEN", 0);
+ //VETO
+ gMC->Gsvolu("EDVB","BOX", idtmed[607], dboxGGB, 3);
+ gMC->Gsatt("EDVB", "SEEN", 0);
+ //-------------------------------------------------//
+ //----------------------------------------------------------//
+ //Stainless Steel Bounadry : ESSB
+ //==================================
+ // Make a 10.3mm thick Stainless Steel boundary for Unit module B
+ // X-dimension same as EHC2 + Airgap + G10 + 0.3
+ // Y-dimension same as EHC2 + Airgap + G10 + 0.3
+ // Z-dimension 1.03/2 = 0.515 cm
+ //------------------------------------------------------//
+ // A Stainless Steel Boundary Channel to house the unit module
+
+ Float_t dboxSS2[3];
+ dboxSS2[0] = dboxGGB[0] + fgkSSBoundary;
+ dboxSS2[1] = dboxGGB[1] + fgkSSBoundary;
+ dboxSS2[2] = fgkThSS/2.;
+
+ //PRESHOWER
+ //Stainless Steel boundary - Material Stainless Steel
+ gMC->Gsvolu("ESSB","BOX", idtmed[618], dboxSS2, 3);
+ gMC->Gsatt("ESSB", "SEEN", 0);
+ //VETO
+ gMC->Gsvolu("ESVB","BOX", idtmed[618], dboxSS2, 3);
+ gMC->Gsatt("ESVB", "SEEN", 0);
+ //----------------------------------------------------------------//
+
+ //----------------------------------------------------------------//
+ // Here we need to place the volume in order ESSB -> EDGB -> ECGB
+ // this makes the SS boiundary and the 0.5mm thick FR4 insulation in place,
+ // and the air volume ECGB acts as mother for the rest of components.
+ // The above placeemnt is done at (0.,0.,0.) relative coordiante
+ // Now we place bottom PCB, honeycomb, top PCB in this volume. We donot place
+ // unnecessary air volumes now. Just leave the gap as we are placing them
+ // in air only. This also reduces the number of volumes for geant to track.
+
+// Tree structure for different volumes
+//
+// EUM2
+// |
+// --------------------
+// | | |
+// EBPB ESSB EBKB
+// |
+// EDGB
+// |
+// ECGB
+// |
+// --------------------
+// | | |
+// EPCB(1) EHC2 EPCB(2)
+// (bottom) | (top PCB)
+// |
+// Sensitive volume
+// (gas)
+//
+
+//PRESHOWER
+//Creating the side channels
+// SS boundary channel, followed by G10 and Air Gap
+ gMC->Gspos("EDGB", 1, "ESSB", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("ECGB", 1, "EDGB", 0., 0., 0., 0, "ONLY");
+ //VETO
+ gMC->Gspos("EDVB", 1, "ESVB", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("ECVB", 1, "EDVB", 0., 0., 0., 0, "ONLY");
+
+ // now other components, using Bedang's code, but changing the values.
+ //Positioning Bottom PCB, Honey Comb abd Top PCB in AIR
+
+ //VETO
+ //Positioning the Bottom 0.16 cm PCB
+ Float_t zbpcb2 = -dboxAir3B[2] + (2.0*fgkGap) + fgkThPCB/2.;
+ gMC->Gspos("EPCB", 1, "ECVB", 0., 0., zbpcb2, 0, "ONLY");
+ //Positioning the Honey Comb 0.5 cm
+ Float_t zhc2 = zbpcb2 + fgkThPCB/2. + fgkCellDepth/2.;
+ gMC->Gspos("EHC2", 1, "ECVB", 0., 0., zhc2, 0, "ONLY");
+ //Positioning the Top PCB 0.16 cm
+ Float_t ztpcb2 = zhc2 + fgkCellDepth/2 + fgkThPCB/2.;
+ gMC->Gspos("EPCB", 2, "ECVB", 0., 0., ztpcb2, 0, "ONLY");
+
+ //PRESHOWER
+ //For preshower plane the ordering is reversed
+ //Positioning the Bottom 0.16 cm PCB
+ zbpcb2 = -dboxAir3B[2] + fgkThPCB + fgkThPCB/2.;
+ gMC->Gspos("EPCB", 1, "ECGB", 0., 0., zbpcb2, 0, "ONLY");
+ //Positioning the Honey Comb 0.5 cm
+ zhc2 = zbpcb2 + fgkThPCB/2. + fgkCellDepth/2.;
+ gMC->Gspos("EHC2", 1, "ECGB", 0., 0., zhc2, 0, "ONLY");
+ //Positioning the Top PCB 0.16 cm
+ ztpcb2 = zhc2 + fgkCellDepth/2 + fgkThPCB/2.;
+ gMC->Gspos("EPCB", 2, "ECGB", 0., 0., ztpcb2, 0, "ONLY");
+
+
+
+ //--------------Now let us construct final UM ---------------//
+ // We will do it as follows :
+ // (i) First make a UM of air. which will have dimensions
+ // of the SS boundary Channel (in x,y) and of height 13.3mm
+ //(ii) Then we will place all the components
+
+ //----------------------------------------------------------//
+ // A unit module type B of Air
+ // Dimensions of Unit Module same as SS boundary channel
+
+ Float_t dboxUM2[3];
+ dboxUM2[0] = dboxSS2[0];
+ dboxUM2[1] = dboxSS2[1];
+ dboxUM2[2] = fgkThSS/2. +0.15; // 0.15 added to accomodate Base Plate at
+ // the bottom and the backplane PCB at the top.
+
+ //PRESHOWER
+ //Create a Unit module of above dimensions Material : AIR
+ gMC->Gsvolu("EUM2","BOX", idtmed[698], dboxUM2, 3);
+ gMC->Gsatt("EUM2", "SEEN", 0);
+
+ //VETO
+ gMC->Gsvolu("EUV2","BOX", idtmed[698], dboxUM2, 3);
+ gMC->Gsatt("EUV2", "SEEN", 0);
+ //----------------------------------------------------------------//
+
+ //BASE PLATE : EBPB
+ //==================
+ // Make a 2mm thick G10 Base plate for Unit module B
+ // Base plate is as big as the final UM dimensions that is as
+ // SS boundary channel
+ Float_t dboxBaseB[3];
+ dboxBaseB[0] = dboxSS2[0];
+ dboxBaseB[1] = dboxSS2[1];
+ dboxBaseB[2] = fgkThBase/2.;
+
+ //Base Blate is a G10 BOX
+ gMC->Gsvolu("EBPB","BOX", idtmed[607], dboxBaseB, 3);
+ gMC->Gsatt("EBPB", "SEEN", 0);
+ //----------------------------------------------------//
+
+ //VETO
+ //- Placing of all components of UM in AIR BOX EUM2--//
+ //(1) FIRST PUT THE BASE PLATE
+ Float_t zbaseplate2 = -dboxUM2[2] + fgkThBase/2.;
+ gMC->Gspos("EBPB", 1, "EUV2", 0., 0., zbaseplate2, 0, "ONLY");
+
+ //(2) NEXT PLACING the SS BOX
+ Float_t zss2 = zbaseplate2 + fgkThBase/2. + fgkThSS/2.;
+ gMC->Gspos("ESVB", 1, "EUV2", 0., 0., zss2, 0, "ONLY");
+
+ // (3) Positioning the Backplane PCB 0.1 cm
+ Float_t zbkp2 = zss2 + fgkThSS/2. + fgkThBKP/2.;
+ gMC->Gspos("EBKB", 1, "EUV2", 0., 0., zbkp2, 0, "ONLY");
- //
- // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1
+ //FOR PRESHOWER
+ // (3) Positioning the Backplane PCB 0.1 cm
+ zbkp2 = -dboxUM2[2] + fgkThBKP/2.;
+ gMC->Gspos("EBKB", 1, "EUM2", 0., 0., zbkp2, 0, "ONLY");
- Float_t z_ps,z_pb,z_fe,z_cv;
+ //(2) NEXT PLACING the SS BOX
+ zss2 = zbkp2 + fgkThBKP/2. + fgkThSS/2.;
+ gMC->Gspos("ESSB", 1, "EUM2", 0., 0., zss2, 0, "ONLY");
- z_ps = - dpara_emm1[2] + sm_thick/2.;
- gMC->Gspos("ESMB", 1, "EMM1", 0., 0., z_ps, 0, "ONLY");
- z_pb=z_ps+sm_thick/2.+dpara_pb1[2];
- gMC->Gspos("EPB1", 1, "EMM1", 0., 0., z_pb, 0, "ONLY");
- z_fe=z_pb+dpara_pb1[2]+dpara_fe1[2];
- gMC->Gspos("EFE1", 1, "EMM1", 0., 0., z_fe, 0, "ONLY");
- z_cv=z_fe+dpara_fe1[2]+sm_thick/2.;
- gMC->Gspos("ESMA", 1, "EMM1", 0., 0., z_cv, 0, "ONLY");
-
-
-
- // EMM2 : special master module having full row of cells but the number
- // of rows limited by hole.
+ //(1) FIRST PUT THE BASE PLATE
+ zbaseplate2 = zss2 + fgkThSS/2 + fgkThBase/2.;
+ gMC->Gspos("EBPB", 1, "EUM2", 0., 0., zbaseplate2, 0, "ONLY");
+ //-------------------- UM Type B completed ------------------------//
- Float_t dpara_emm2[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_emm2[0] = sm_length/2.;
- dpara_emm2[1] = (ncell_sm - ncell_hole + 0.25) * cell_radius * root3_2;
- dpara_emm2[2] = dm_thick/2.;
- gMC->Gsvolu("EMM2","PARA", idtmed[698], dpara_emm2, 6);
- gMC->Gsatt("EMM2", "SEEN", 1);
+ //--- Now we need to make Lead plates of UM dimension -----//
+ /**************************/
+ //----------------------------------------------------------//
+ // The lead convertor is of unit module size
+ // Dimensions of Unit Module same as SS boundary channel
- // Pb Convertor for EMM2
- Float_t dpara_pb2[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_pb2[0] = dpara_emm2[0];
- dpara_pb2[1] = dpara_emm2[1];
- dpara_pb2[2] = th_lead/2.;
+ Float_t dboxPba[3];
+ dboxPba[0] = dboxUM1[0];
+ dboxPba[1] = dboxUM1[1];
+ dboxPba[2] = fgkThLead/2.;
+ // Lead of UM dimension
+ gMC->Gsvolu("EPB1","BOX", idtmed[600], dboxPba, 3);
+ gMC->Gsatt ("EPB1", "SEEN", 0);
- gMC->Gsvolu("EPB2","PARA", idtmed[600], dpara_pb2, 6);
+ Float_t dboxPbb[3];
+ dboxPbb[0] = dboxUM2[0];
+ dboxPbb[1] = dboxUM2[1];
+ dboxPbb[2] = fgkThLead/2.;
+ // Lead of UM dimension
+ gMC->Gsvolu("EPB2","BOX", idtmed[600], dboxPbb, 3);
gMC->Gsatt ("EPB2", "SEEN", 0);
- // Fe Support for EMM2
- Float_t dpara_fe2[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_fe2[0] = dpara_pb2[0];
- dpara_fe2[1] = dpara_pb2[1];
- dpara_fe2[2] = th_steel/2.;
-
- gMC->Gsvolu("EFE2","PARA", idtmed[618], dpara_fe2, 6);
- gMC->Gsatt ("EFE2", "SEEN", 0);
+ //----------------------------------------------------------------//
+ // 2 types of Rectangular shaped supermodules (BOX)
+ //each with 6 unit modules
+
+ // volume for SUPERMODULE ESMA
+ //Space added to provide a gapping for HV between UM's
+ //There is a gap of 0.15 cm between two Modules (UMs)
+ // in x-direction and 0.1cm along y-direction
+
+ Float_t dboxSM1[3];
+ dboxSM1[0] = 3.0*dboxUM1[0] + (2.0*0.075);
+ dboxSM1[1] = 2.0*dboxUM1[1] + 0.05;
+ dboxSM1[2] = dboxUM1[2];
+
+ //FOR PRESHOWER
+ gMC->Gsvolu("ESMA","BOX", idtmed[698], dboxSM1, 3);
+ gMC->Gsatt("ESMA", "SEEN", 0);
+
+ //FOR VETO
+ gMC->Gsvolu("EMVA","BOX", idtmed[698], dboxSM1, 3);
+ gMC->Gsatt("EMVA", "SEEN", 0);
+
+ //Position the 6 unit modules in EMSA
+ Float_t xa1,xa2,xa3,ya1,ya2;
+ xa1 = dboxSM1[0] - dboxUM1[0];
+ xa2 = xa1 - dboxUM1[0] - 0.15 - dboxUM1[0];
+ xa3 = xa2 - dboxUM1[0] - 0.15 - dboxUM1[0];
+ ya1 = dboxSM1[1] - dboxUM1[1];
+ ya2 = ya1 - dboxUM1[1] - 0.1 - dboxUM1[1];
+
+ //PRESHOWER
+ gMC->Gspos("EUM1", 1, "ESMA", xa1, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUM1", 2, "ESMA", xa2, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUM1", 3, "ESMA", xa3, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUM1", 4, "ESMA", xa1, ya2, 0., 0, "ONLY");
+ gMC->Gspos("EUM1", 5, "ESMA", xa2, ya2, 0., 0, "ONLY");
+ gMC->Gspos("EUM1", 6, "ESMA", xa3, ya2, 0., 0, "ONLY");
+
+ //VETO
+ gMC->Gspos("EUV1", 1, "EMVA", xa1, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUV1", 2, "EMVA", xa2, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUV1", 3, "EMVA", xa3, ya1, 0., 0, "ONLY");
+ gMC->Gspos("EUV1", 4, "EMVA", xa1, ya2, 0., 0, "ONLY");
+ gMC->Gspos("EUV1", 5, "EMVA", xa2, ya2, 0., 0, "ONLY");
+ gMC->Gspos("EUV1", 6, "EMVA", xa3, ya2, 0., 0, "ONLY");
+
+
+ // volume for SUPERMODULE ESMB
+ //Space is added to provide a gapping for HV between UM's
+ Float_t dboxSM2[3];
+ dboxSM2[0] = 2.0*dboxUM2[0] + 0.075;
+ dboxSM2[1] = 3.0*dboxUM2[1] + (2.0*0.05);
+ dboxSM2[2] = dboxUM2[2];
+
+ //PRESHOWER
+ gMC->Gsvolu("ESMB","BOX", idtmed[698], dboxSM2, 3);
+ gMC->Gsatt("ESMB", "SEEN", 0);
+ //VETO
+ gMC->Gsvolu("EMVB","BOX", idtmed[698], dboxSM2, 3);
+ gMC->Gsatt("EMVB", "SEEN", 0);
+
+ //Position the 6 unit modules in EMSB
+ Float_t xb1,xb2,yb1,yb2,yb3;
+ xb1 = dboxSM2[0] - dboxUM2[0];
+ xb2 = xb1 - dboxUM2[0] - 0.15 - dboxUM2[0];
+ yb1 = dboxSM2[1] - dboxUM2[1];
+ yb2 = yb1 - dboxUM2[1] - 0.1 - dboxUM2[1];
+ yb3 = yb2 - dboxUM2[1] - 0.1 - dboxUM2[1];
+
+
+ //PRESHOWER
+ gMC->Gspos("EUM2", 1, "ESMB", xb1, yb1, 0., 0, "ONLY");
+ gMC->Gspos("EUM2", 2, "ESMB", xb2, yb1, 0., 0, "ONLY");
+ gMC->Gspos("EUM2", 3, "ESMB", xb1, yb2, 0., 0, "ONLY");
+ gMC->Gspos("EUM2", 4, "ESMB", xb2, yb2, 0., 0, "ONLY");
+ gMC->Gspos("EUM2", 5, "ESMB", xb1, yb3, 0., 0, "ONLY");
+ gMC->Gspos("EUM2", 6, "ESMB", xb2, yb3, 0., 0, "ONLY");
+
+ //VETO
+ gMC->Gspos("EUV2", 1, "EMVB", xb1, yb1, 0., 0, "ONLY");
+ gMC->Gspos("EUV2", 2, "EMVB", xb2, yb1, 0., 0, "ONLY");
+ gMC->Gspos("EUV2", 3, "EMVB", xb1, yb2, 0., 0, "ONLY");
+ gMC->Gspos("EUV2", 4, "EMVB", xb2, yb2, 0., 0, "ONLY");
+ gMC->Gspos("EUV2", 5, "EMVB", xb1, yb3, 0., 0, "ONLY");
+ gMC->Gspos("EUV2", 6, "EMVB", xb2, yb3, 0., 0, "ONLY");
+
+ // Make smiliar stucture for lead as for PMD plane
+ //================================================
+ // 2 types of Rectangular shaped supermodules (BOX)
+ //each with 6 unit modules
+
+ // volume for SUPERMODULE ESMPbA
+ //Space added to provide a gapping for HV between UM's
- // position supermodule ESMX, ESMY inside EMM2
+ Float_t dboxSMPb1[3];
+ dboxSMPb1[0] = 3.0*dboxUM1[0] + (2.0*0.075);
+ dboxSMPb1[1] = 2.0*dboxUM1[1] + 0.05;
+ dboxSMPb1[2] = fgkThLead/2.;
+
+ gMC->Gsvolu("ESPA","BOX", idtmed[698], dboxSMPb1, 3);
+ gMC->Gsatt("ESPA", "SEEN", 0);
+
- z_ps = - dpara_emm2[2] + sm_thick/2.;
- gMC->Gspos("ESMY", 1, "EMM2", 0., 0., z_ps, 0, "ONLY");
- z_pb = z_ps + sm_thick/2.+dpara_pb2[2];
- gMC->Gspos("EPB2", 1, "EMM2", 0., 0., z_pb, 0, "ONLY");
- z_fe = z_pb + dpara_pb2[2]+dpara_fe2[2];
- gMC->Gspos("EFE2", 1, "EMM2", 0., 0., z_fe, 0, "ONLY");
- z_cv = z_fe + dpara_fe2[2]+sm_thick/2.;
- gMC->Gspos("ESMX", 1, "EMM2", 0., 0., z_cv, 0, "ONLY");
- //
+ //Position the 6 unit modules in ESMPbA
+ Float_t xpa1,xpa2,xpa3,ypa1,ypa2;
+ xpa1 = -dboxSMPb1[0] + dboxUM1[0];
+ xpa2 = xpa1 + dboxUM1[0] + 0.15 + dboxUM1[0];
+ xpa3 = xpa2 + dboxUM1[0] + 0.15 + dboxUM1[0];
+ ypa1 = dboxSMPb1[1] - dboxUM1[1];
+ ypa2 = ypa1 - dboxUM1[1] - 0.1 - dboxUM1[1];
- // EMM3 : special master module having truncated rows and columns of cells
- // limited by hole.
+ gMC->Gspos("EPB1", 1, "ESPA", xpa1, ypa1, 0., 0, "ONLY");
+ gMC->Gspos("EPB1", 2, "ESPA", xpa2, ypa1, 0., 0, "ONLY");
+ gMC->Gspos("EPB1", 3, "ESPA", xpa3, ypa1, 0., 0, "ONLY");
+ gMC->Gspos("EPB1", 4, "ESPA", xpa1, ypa2, 0., 0, "ONLY");
+ gMC->Gspos("EPB1", 5, "ESPA", xpa2, ypa2, 0., 0, "ONLY");
+ gMC->Gspos("EPB1", 6, "ESPA", xpa3, ypa2, 0., 0, "ONLY");
- Float_t dpara_emm3[6] = {12.5,12.5,0.8,30.,0.,0.};
- dpara_emm3[0] = dpara_emm2[1]/root3_2;
- dpara_emm3[1] = (ncell_hole + 0.25) * cell_radius *root3_2;
- dpara_emm3[2] = dm_thick/2.;
- gMC->Gsvolu("EMM3","PARA", idtmed[698], dpara_emm3, 6);
- gMC->Gsatt("EMM3", "SEEN", 1);
+ // volume for SUPERMODULE ESMPbB
+ //Space is added to provide a gapping for HV between UM's
+ Float_t dboxSMPb2[3];
+ dboxSMPb2[0] = 2.0*dboxUM2[0] + 0.075;
+ dboxSMPb2[1] = 3.0*dboxUM2[1] + (2.0*0.05);
+ dboxSMPb2[2] = fgkThLead/2.;
+ gMC->Gsvolu("ESPB","BOX", idtmed[698], dboxSMPb2, 3);
+ gMC->Gsatt("ESPB", "SEEN", 0);
+
+ //Position the 6 unit modules in ESMPbB
+ Float_t xpb1,xpb2,ypb1,ypb2,ypb3;
+ xpb1 = -dboxSMPb2[0] + dboxUM2[0];
+ xpb2 = xpb1 + dboxUM2[0] + 0.15 + dboxUM2[0];
+ ypb1 = dboxSMPb2[1] - dboxUM2[1];
+ ypb2 = ypb1 - dboxUM2[1] - 0.1 - dboxUM2[1];
+ ypb3 = ypb2 - dboxUM2[1] - 0.1 - dboxUM2[1];
+
+
+ gMC->Gspos("EPB2", 1, "ESPB", xpb1, ypb1, 0., 0, "ONLY");
+ gMC->Gspos("EPB2", 2, "ESPB", xpb2, ypb1, 0., 0, "ONLY");
+ gMC->Gspos("EPB2", 3, "ESPB", xpb1, ypb2, 0., 0, "ONLY");
+ gMC->Gspos("EPB2", 4, "ESPB", xpb2, ypb2, 0., 0, "ONLY");
+ gMC->Gspos("EPB2", 5, "ESPB", xpb1, ypb3, 0., 0, "ONLY");
+ gMC->Gspos("EPB2", 6, "ESPB", xpb2, ypb3, 0., 0, "ONLY");
+
+
+ //---------------------------------------------------
+ /// ALICE PMD FEE BOARDS IMPLEMENTATION
+ // Dt: 25th February 2006
+ // - M.M. Mondal, S.K. Prasad and P.K. Netrakanti
+ //---------------------------------------------------
+
+ //FEE boards
+ // It is FR4 board of length 7cm
+ // breadth of 2.4 cm and thickness 0.1cm
+ Float_t dboxFEE[3];
+ dboxFEE[0] = 0.05;
+ dboxFEE[1] = 3.50;
+ dboxFEE[2] = 1.20;
+
+ gMC->Gsvolu("EFEE","BOX", idtmed[607], dboxFEE, 3);
+ gMC->Gsatt("EFEE", "SEEN", 0);
+ gMC->Gsatt("EFEE", "COLO", 4);
+
+ //Mother volume to accomodate FEE boards
+ // It should have the dimension
+ // as the back plane or the
+ //corresponding UM
+ //TYPE A
+ //------------------------------------------------------//
+
+ Float_t dboxFEEBPlaneA[3];
+ dboxFEEBPlaneA[0] = dboxBPlaneA[0]; //dbox3[0];
+ dboxFEEBPlaneA[1] = dboxBPlaneA[1];//dbox3[1];
+ dboxFEEBPlaneA[2] = 1.2;
+
+ //Volume of same dimension as Back PLane of Material AIR
+ gMC->Gsvolu("EFBA","BOX", idtmed[698], dboxFEEBPlaneA, 3);
+ gMC->Gsatt("EFBA", "SEEN", 0);
+
+ //TYPE B
+ Float_t dboxFEEBPlaneB[3];
+ dboxFEEBPlaneB[0] = dboxBPlaneB[0]; //dbox4[0];
+ dboxFEEBPlaneB[1] = dboxBPlaneB[1];//dbox4[1];
+ dboxFEEBPlaneB[2] = 1.2;
+
+ //Back PLane PCB of MAterial G10
+ gMC->Gsvolu("EFBB","BOX", idtmed[698], dboxFEEBPlaneB, 3);
+ gMC->Gsatt("EFBB", "SEEN", 0);
- // Pb Convertor for EMM3
- Float_t dpara_pb3[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_pb3[0] = dpara_emm3[0];
- dpara_pb3[1] = dpara_emm3[1];
- dpara_pb3[2] = th_lead/2.;
+ //Placing the FEE boards in the Mother volume of AIR
- gMC->Gsvolu("EPB3","PARA", idtmed[600], dpara_pb3, 6);
- gMC->Gsatt ("EPB3", "SEEN", 0);
+ //Type A
- // Fe Support for EMM3
- Float_t dpara_fe3[6] = {12.5,12.5,8.,30.,0.,0.};
- dpara_fe3[0] = dpara_pb3[0];
- dpara_fe3[1] = dpara_pb3[1];
- dpara_fe3[2] = th_steel/2.;
+ Float_t xFee; // X-position of FEE board
+ Float_t yFee; // Y-position of FEE board
+ Float_t zFee = 0.0; // Z-position of FEE board
- gMC->Gsvolu("EFE3","PARA", idtmed[618], dpara_fe3, 6);
- gMC->Gsatt ("EFE3", "SEEN", 0);
+ Float_t xA = 0.25; //distance from the border to 1st FEE board
+ Float_t yA = 4.00; //distance from the border to 1st FEE board
+ Float_t xSepa = 1.70; //Distance between two FEE boards
+ Float_t ySepa = 8.00; //Distance between two FEE boards
+
+ // FEE Boards EFEE placed inside EFBA
+ number = 1;
+ yFee = dboxFEEBPlaneA[1] - yA;
+ for (i = 1; i <= 6; ++i)
+ {
+ xFee = -dboxFEEBPlaneA[0] + xA;
+ for (j = 1; j <= 12; ++j)
+ {
+ gMC->Gspos("EFEE", number, "EFBA", xFee,yFee,zFee, 0, "ONLY");
+ xFee += xSepa;
+ number += 1;
+ }
+ yFee -= ySepa;
+ }
+ // FEE Boards EFEE placed inside EFBB
+ number = 1;
+ yFee = dboxFEEBPlaneB[1] - yA;
+ for (i = 1; i <= 3; ++i)
+ {
+ xFee = -dboxFEEBPlaneB[0] + xA;
+ for (j = 1; j <= 24; ++j)
+ {
+ gMC->Gspos("EFEE", number, "EFBB", xFee,yFee,zFee, 0, "ONLY");
+ xFee += xSepa;
+ number += 1;
+ }
+ yFee -= ySepa;
+ }
- // position supermodule ESMP, ESMQ inside EMM3
+ //Distance between the two backplanes of two UMs
+ //in x-direction is 0.92 and ydirection is 0.95
+ Float_t dboxEFSA[3];
+ dboxEFSA[0] = 3.0*dboxFEEBPlaneA[0] + 0.92;
+ dboxEFSA[1] = 2.0*dboxFEEBPlaneA[1] + (0.95/2.0);
+ dboxEFSA[2] = dboxFEEBPlaneA[2];
- z_ps = - dpara_emm3[2] + sm_thick/2.;
- gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., z_ps, 0, "ONLY");
- z_pb = z_ps + sm_thick/2.+dpara_pb3[2];
- gMC->Gspos("EPB3", 1, "EMM3", 0., 0., z_pb, 0, "ONLY");
- z_fe = z_pb + dpara_pb3[2]+dpara_fe3[2];
- gMC->Gspos("EFE3", 1, "EMM3", 0., 0., z_fe, 0, "ONLY");
- z_cv = z_fe + dpara_fe3[2] + sm_thick/2.;
- gMC->Gspos("ESMP", 1, "EMM3", 0., 0., z_cv, 0, "ONLY");
- //
+ //Type A
+ gMC->Gsvolu("EFSA","BOX", idtmed[698],dboxEFSA, 3);
+ gMC->Gsatt("EFSA", "SEEN", 0);
- // EHOL is a tube structure made of air
- //
- //Float_t d_hole[3];
- //d_hole[0] = 0.;
- //d_hole[1] = ncell_hole * cell_radius *2. * root3_2 + boundary;
- //d_hole[2] = dm_thick/2.;
- //
- //gMC->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3);
- //gMC->Gsatt("EHOL", "SEEN", 1);
+ //Distance between the two backplanes of two UMs
+ //in x-direction is 0.92 and ydirection is 0.95
+ Float_t dboxEFSB[3];
+ dboxEFSB[0] = 2.0*dboxFEEBPlaneB[0] + (0.938/2.0);
+ dboxEFSB[1] = 3.0*dboxFEEBPlaneB[1] + 1.05;
+ dboxEFSB[2] = dboxFEEBPlaneB[2];
- //Al-rod as boundary of the supermodules
+ //Type A
+ gMC->Gsvolu("EFSB","BOX", idtmed[698],dboxEFSB, 3);
+ gMC->Gsatt("EFSB", "SEEN", 0);
- Float_t Al_rod[3] ;
- Al_rod[0] = sm_length * 3/2. - gaspmd[5]/2 - boundary ;
- Al_rod[1] = boundary - 0.5*cell_radius*root3_2;
- Al_rod[2] = dm_thick/2.;
- gMC->Gsvolu("EALM","BOX ", idtmed[698], Al_rod, 3);
- gMC->Gsatt ("EALM", "SEEN", 1);
- Float_t xalm[3];
- xalm[0]=Al_rod[0] + gaspmd[5] + 3.0*boundary;
- xalm[1]=-xalm[0]/2.;
- xalm[2]=xalm[1];
+ Float_t xfs1,xfs2,xfs3,yfs1,yfs2,yfs3;
+ xfs1 = -dboxEFSA[0] + dboxFEEBPlaneA[0];
+ xfs2 = xfs1 + dboxFEEBPlaneA[0] + 0.92 + dboxFEEBPlaneA[0];
+ xfs3 = xfs2 + dboxFEEBPlaneA[0] + 0.92 + dboxFEEBPlaneA[0];
+ yfs1 = dboxEFSA[1] - dboxFEEBPlaneA[1];
+ yfs2 = yfs1 - dboxFEEBPlaneA[1] - 0.95 - dboxFEEBPlaneA[1];
- Float_t yalm[3];
- yalm[0]=0.;
- yalm[1]=xalm[0]*root3_2;
- yalm[2]=-yalm[1];
- // delx = full side of the supermodule
- Float_t delx=sm_length * 3.;
- Float_t x1= delx*root3_2 /2.;
- Float_t x4=delx/4.;
+ gMC->Gspos("EFBA", 1, "EFSA", xfs1, yfs1, 0., 0, "ONLY");
+ gMC->Gspos("EFBA", 2, "EFSA", xfs2, yfs1, 0., 0, "ONLY");
+ gMC->Gspos("EFBA", 3, "EFSA", xfs3, yfs1, 0., 0, "ONLY");
+ gMC->Gspos("EFBA", 4, "EFSA", xfs1, yfs2, 0., 0, "ONLY");
+ gMC->Gspos("EFBA", 5, "EFSA", xfs2, yfs2, 0., 0, "ONLY");
+ gMC->Gspos("EFBA", 6, "EFSA", xfs3, yfs2, 0., 0, "ONLY");
- // placing master modules and Al-rod in PMD
- Float_t dx = sm_length;
- Float_t dy = dx * root3_2;
+ //Type B positioning
- Float_t xsup[9] = {-dx/2., dx/2., 3.*dx/2.,
- -dx, 0., dx,
- -3.*dx/2., -dx/2., dx/2.};
+ xfs1 = -dboxEFSB[0] + dboxFEEBPlaneB[0];
+ xfs2 = xfs1 + dboxFEEBPlaneB[0] + 0.938 + dboxFEEBPlaneB[0];
+ yfs1 = dboxEFSB[1] - dboxFEEBPlaneB[1];
+ yfs2 = yfs1 - dboxFEEBPlaneB[1] - 1.05 - dboxFEEBPlaneB[1];
+ yfs3 = yfs2 - dboxFEEBPlaneB[1] - 1.05 - dboxFEEBPlaneB[1];
- Float_t ysup[9] = {dy, dy, dy,
- 0., 0., 0.,
- -dy, -dy, -dy};
- // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes
- Float_t xoff = boundary * TMath::Tan(pi/6.);
- Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-boundary/root3_2};
- Float_t ymod[3] = {-x1 - boundary, x1 + boundary, 0.};
- Float_t xpos[9], ypos[9], x2, y2, x3, y3;
+ gMC->Gspos("EFBB", 1, "EFSB", xfs1, yfs1, 0., 0, "ONLY");
+ gMC->Gspos("EFBB", 2, "EFSB", xfs2, yfs1, 0., 0, "ONLY");
+ gMC->Gspos("EFBB", 3, "EFSB", xfs1, yfs2, 0., 0, "ONLY");
+ gMC->Gspos("EFBB", 4, "EFSB", xfs2, yfs2, 0., 0, "ONLY");
+ gMC->Gspos("EFBB", 5, "EFSB", xfs1, yfs3, 0., 0, "ONLY");
+ gMC->Gspos("EFBB", 6, "EFSB", xfs2, yfs3, 0., 0, "ONLY");
- Float_t xemm2 = sm_length/2. -
- (ncell_sm + ncell_hole + 0.25) * cell_radius * 0.5
- + xoff;
- Float_t yemm2 = -(ncell_sm + ncell_hole + 0.25) * cell_radius * root3_2
- - boundary;
- Float_t xemm3 = (ncell_sm + 0.5 * ncell_hole + 0.25) * cell_radius + xoff;
- Float_t yemm3 = - (ncell_hole - 0.25) * cell_radius * root3_2 - boundary;
+}
+
+//_____________________________________________________________________________
- Float_t theta[3] = {0., 2.*pi/3., 4.*pi/3.};
- Int_t irotate[3] = {0, jhrot12, jhrot13};
+void AliPMDv1::CreatePMD()
+{
+ //
+ // Create final detector from supermodules
+ // -- Author : Bedanga and Viyogi June 2003
- num_mod=0;
- for (j=0; j<3; ++j)
- {
- gMC->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY");
- x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]);
- y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]);
+ Float_t zp;
+ Int_t jhrot12,jhrot13, irotdm;
+ Int_t *idtmed = fIdtmed->GetArray()-599;
+
+ //VOLUMES Names : begining with "E" for all PMD volumes,
+
+ // --- DEFINE Iron volumes for SM A
+ // Fe Support
+ Float_t dboxFea[3];
+ dboxFea[0] = fSMLengthax;
+ dboxFea[1] = fSMLengthay;
+ dboxFea[2] = fgkThSteel/2.;
+
+ gMC->Gsvolu("EFEA","BOX", idtmed[618], dboxFea, 3);
+ gMC->Gsatt ("EFEA", "SEEN", 0);
- gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY");
+ // --- DEFINE Iron volumes for SM B
+
+ // Fe Support
+ Float_t dboxFeb[3];
+ dboxFeb[0] = fSMLengthbx;
+ dboxFeb[1] = fSMLengthby;
+ dboxFeb[2] = fgkThSteel/2.;
+
+ gMC->Gsvolu("EFEB","BOX", idtmed[618], dboxFeb, 3);
+ gMC->Gsatt ("EFEB", "SEEN", 0);
- x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]);
- y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]);
+ AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
+ AliMatrix(jhrot12, 90., 180., 90., 270., 0., 0.);
+ AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
- gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY");
+ // Gaspmd, the dimension of RECTANGULAR mother volume of PMD,
+ // Four mother volumes EPM1,EPM2 for A-type and
+ // volumes EPM3 and EPM4 for B-type. Four to create a hole
+ // and avoid overlap with beam pipe
+
+ Float_t gaspmd[3];
+ gaspmd[0] = fSMLengthax;
+ gaspmd[1] = fSMLengthay;
+ gaspmd[2] = fSMthick;
+
+ gMC->Gsvolu("EPM1", "BOX", idtmed[698], gaspmd, 3);
+ gMC->Gsatt("EPM1", "SEEN", 1);
+ gMC->Gsvolu("EPM2", "BOX", idtmed[698], gaspmd, 3);
+ gMC->Gsatt("EPM2", "SEEN", 1);
+
+ //Complete detector for Type A
+ //Position Super modules type A for both CPV and PMD in EPMD
+ Float_t zpsa,zpba,zfea,zcva,zfee;
+
+ // zpsa = - gaspmd[2] + fSMthick/2.;
+ // -2.5 is given to place PMD at -361.5
+ // BM : In future after putting proper electronics
+ // -2.5 will be replaced by -gaspmd[2]
+
+ //TYPE A
+ //Fee board
+ zfee=-gaspmd[2] + 1.2;
+ gMC->Gspos("EFSA", 1, "EPM1", 0., 0., zfee, 0, "ONLY");
+ gMC->Gspos("EFSA", 2, "EPM2", 0., 0., zfee, jhrot12, "ONLY");
+ //VETO
+ zcva = zfee + 1.2 + fDthick;
+ gMC->Gspos("EMVA", 1, "EPM1", 0., 0., zcva, 0, "ONLY");
+ gMC->Gspos("EMVA", 2, "EPM2", 0., 0., zcva, jhrot12, "ONLY");
+ //Iron support
+ zfea = zcva + fDthick + fgkThSteel/2.;
+ gMC->Gspos("EFEA", 1, "EPM1", 0., 0., zfea, 0, "ONLY");
+ gMC->Gspos("EFEA", 2, "EPM2", 0., 0., zfea, 0, "ONLY");
+ //Lead
+ zpba=zfea+fgkThSteel/2.+ fgkThLead/2.;
+ gMC->Gspos("ESPA", 1, "EPM1", 0., 0., zpba, 0, "ONLY");
+ gMC->Gspos("ESPA", 2, "EPM2", 0., 0., zpba, 0, "ONLY");
+ //Preshower
+ zpsa = zpba + fgkThLead/2. + fDthick;
+ gMC->Gspos("ESMA", 1, "EPM1", 0., 0., zpsa, 0, "ONLY");
+ gMC->Gspos("ESMA", 2, "EPM2", 0., 0., zpsa, jhrot12, "ONLY");
+ //FEE boards
+ zfee=zpsa + fDthick + 1.2;
+ gMC->Gspos("EFSA", 3, "EPM1", 0., 0., zfee, 0, "ONLY");
+ gMC->Gspos("EFSA", 4, "EPM2", 0., 0., zfee, jhrot12, "ONLY");
- for (i=1; i<9; ++i)
- {
- xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - ysup[i]*TMath::Sin(theta[j]);
- ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + ysup[i]*TMath::Cos(theta[j]);
+
+ //TYPE - B
+ gaspmd[0] = fSMLengthbx;
+ gaspmd[1] = fSMLengthby;
+ gaspmd[2] = fSMthick;
+
+ gMC->Gsvolu("EPM3", "BOX", idtmed[698], gaspmd, 3);
+ gMC->Gsatt("EPM3", "SEEN", 1);
+ gMC->Gsvolu("EPM4", "BOX", idtmed[698], gaspmd, 3);
+ gMC->Gsatt("EPM4", "SEEN", 1);
+
+ //Complete detector for Type B
+ //Position Super modules type B for both CPV and PMD in EPMD
+ Float_t zpsb,zpbb,zfeb,zcvb;
+ // zpsb = - gaspmd[2] + fSMthick/2.;
+ // -2.5 is given to place PMD at -361.5
+ // BM: In future after putting proper electronics
+ // -2.5 will be replaced by -gaspmd[2]
+
+ //Fee board
+ zfee=-gaspmd[2] + 1.2;
+ gMC->Gspos("EFSB", 5, "EPM3", 0., 0., zfee, 0, "ONLY");
+ gMC->Gspos("EFSB", 6, "EPM4", 0., 0., zfee, jhrot12, "ONLY");
+ //VETO
+ zcvb= zfee + 1.2 + fDthick;
+ gMC->Gspos("EMVB", 3, "EPM3", 0., 0., zcvb, 0, "ONLY");
+ gMC->Gspos("EMVB", 4, "EPM4", 0., 0., zcvb, jhrot12, "ONLY");
+
+ //IRON SUPPORT
+ zfeb= zcvb + fDthick + fgkThSteel/2.;
+ gMC->Gspos("EFEB", 3, "EPM3", 0., 0., zfeb, 0, "ONLY");
+ gMC->Gspos("EFEB", 4, "EPM4", 0., 0., zfeb, 0, "ONLY");
+ //LEAD
+ zpbb= zfeb + fgkThSteel/2.+ fgkThLead/2.;
+ gMC->Gspos("ESPB", 3, "EPM3", 0., 0., zpbb, 0, "ONLY");
+ gMC->Gspos("ESPB", 4, "EPM4", 0., 0., zpbb, 0, "ONLY");
+ //PRESHOWER
+ zpsb = zpbb + fgkThLead/2.+ fDthick;
+ gMC->Gspos("ESMB", 3, "EPM3", 0., 0., zpsb, 0, "ONLY");
+ gMC->Gspos("ESMB", 4, "EPM4", 0., 0., zpsb, jhrot12, "ONLY");
+ //FEE boards
+ zfee=zpsb + fDthick + 1.2;
+ gMC->Gspos("EFSB", 7, "EPM3", 0., 0., zfee, 0, "ONLY");
+ gMC->Gspos("EFSB", 8, "EPM4", 0., 0., zfee, jhrot12, "ONLY");
- if(fDebug)
- printf("%s: %f %f \n", ClassName(), xpos[i], ypos[i]);
- num_mod = num_mod+1;
+ // --- Place the EPMD in ALICE
+ //Z-distance of PMD from Interaction Point
+ zp = fgkZdist;
- if(fDebug)
- printf("\n%s: Num_mod %d\n",ClassName(),num_mod);
+ //X and Y-positions of the PMD planes
+ Float_t xfinal,yfinal;
+ Float_t xsmb,ysmb;
+ Float_t xsma,ysma;
- gMC->Gspos("EMM1", num_mod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY");
+ xfinal = fSMLengthax + 0.48/2 + fSMLengthbx;
+ yfinal = fSMLengthay + 0.20/2 + fSMLengthby;
+
- }
- }
+ xsma = xfinal - fSMLengthax;
+ ysma = yfinal - fSMLengthay;
+ xsmb = -xfinal + fSMLengthbx;
+ ysmb = yfinal - fSMLengthby;
-
- // place EHOL in the centre of EPMD
- // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY");
- // --- Place the EPMD in ALICE
- xp = 0.;
- yp = 0.;
- zp = zdist1;
-
- gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY");
-
+//Position Full PMD in ALICE
+//
+// EPM1 EPM3
+//
+// EPM4 EPM2
+// (rotated (rotated EPM1)
+// EPM3)
+//
+ gMC->Gspos("EPM1", 1, "ALIC", xsma,ysma,zp, 0, "ONLY");
+ gMC->Gspos("EPM2", 1, "ALIC", -xsma,-ysma,zp, 0, "ONLY");
+ gMC->Gspos("EPM3", 1, "ALIC", xsmb,ysmb,zp, 0, "ONLY");
+ gMC->Gspos("EPM4", 1, "ALIC", -xsmb,-ysmb,zp, 0, "ONLY");
}
//_____________________________________________________________________________
-void AliPMDv1::DrawModule()
+void AliPMDv1::DrawModule() const
{
- //
// Draw a shaded view of the Photon Multiplicity Detector
//
+ // cout << " Inside Draw Modules " << endl;
gMC->Gsatt("*", "seen", -1);
gMC->Gsatt("alic", "seen", 0);
//
gMC->Gsatt("ECAR","seen",0);
gMC->Gsatt("ECCU","seen",1);
- gMC->Gsatt("EHC1","seen",1);
- gMC->Gsatt("EHC1","seen",1);
- gMC->Gsatt("EHC2","seen",1);
- gMC->Gsatt("EMM1","seen",1);
- gMC->Gsatt("EHOL","seen",1);
- gMC->Gsatt("EPMD","seen",0);
+ gMC->Gsatt("EST1","seen",1);
+ gMC->Gsatt("EST2","seen",1);
+ gMC->Gsatt("EUM1","seen",1);
+ gMC->Gsatt("EUM2","seen",1);
+ gMC->Gsatt("ESMA","seen",1);
+ gMC->Gsatt("EPMD","seen",1);
//
gMC->Gdopt("hide", "on");
gMC->Gdopt("shad", "on");
//gMC->Gdman(17, 5, "MAN");
gMC->Gdopt("hide", "off");
+
+ AliDebug(1,"Outside Draw Modules");
}
//_____________________________________________________________________________
void AliPMDv1::CreateMaterials()
{
- //
// Create materials for the PMD
//
// ORIGIN : Y. P. VIYOGI
//
-
- // --- The Argon- CO2 mixture ---
- Float_t ag[2] = { 39.95 };
- Float_t zg[2] = { 18. };
- Float_t wg[2] = { .8,.2 };
- Float_t dar = .001782; // --- Ar density in g/cm3 ---
- // --- CO2 ---
- Float_t ac[2] = { 12.,16. };
- Float_t zc[2] = { 6.,8. };
- Float_t wc[2] = { 1.,2. };
- Float_t dc = .001977;
- Float_t dco = .002; // --- CO2 density in g/cm3 ---
-
- Float_t absl, radl, a, d, z;
- Float_t dg;
- Float_t x0ar;
- //Float_t x0xe=2.4;
- //Float_t dxe=0.005858;
- Float_t buf[1];
- Int_t nbuf;
- Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
- Float_t zsteel[4] = { 26.,24.,28.,14. };
- Float_t wsteel[4] = { .715,.18,.1,.005 };
-
+ // cout << " Inside create materials " << endl;
+
Int_t *idtmed = fIdtmed->GetArray()-599;
Int_t isxfld = gAlice->Field()->Integ();
Float_t sxmgmx = gAlice->Field()->Max();
// --- Define the various materials for GEANT ---
+
AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
- x0ar = 19.55 / dar;
- AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
- AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
+
+ // Argon
+
+ Float_t dAr = 0.001782; // --- Ar density in g/cm3 ---
+ Float_t x0Ar = 19.55 / dAr;
+ AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4);
+
+ // --- CO2 ---
+
+ Float_t aCO2[2] = { 12.,16. };
+ Float_t zCO2[2] = { 6.,8. };
+ Float_t wCO2[2] = { 1.,2. };
+ Float_t dCO2 = 0.001977;
+ AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2);
+
AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
+
+ // ArCO2
+
+ Float_t aArCO2[3] = {39.948,12.0107,15.9994};
+ Float_t zArCO2[3] = {18.,6.,8.};
+ Float_t wArCO2[3] = {0.7,0.08,0.22};
+ Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3;
+ AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2);
+
AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
- AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
- AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.);
- AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
- AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
- AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
- AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
- AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.);
- AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
- // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4);
-
- AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
- AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
- AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
- AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
-
- // define gas-mixtures
+
+ // G10
- char namate[21];
- gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
- ag[1] = a;
- zg[1] = z;
- dg = (dar * 4 + dco) / 5;
- AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
+ Float_t aG10[4]={1.,12.011,15.9994,28.086};
+ Float_t zG10[4]={1.,6.,8.,14.};
+ Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714};
+ AliMixture(8,"G10",aG10,zG10,1.7,4,wG10);
+ AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
+
+ // Steel
+ Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zSteel[4] = { 26.,24.,28.,14. };
+ Float_t wSteel[4] = { .715,.18,.1,.005 };
+ Float_t dSteel = 7.88;
+ AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel);
+
+ //Air
+
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir1 = 1.20479E-10;
+ Float_t dAir = 1.20479E-3;
+ AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir);
+ AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir);
+
// Define tracking media
- AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
- AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
- AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
- AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
- AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(19, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
+ AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1);
+ AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10);
+ AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1);
// --- Generate explicitly delta rays in the iron, aluminium and lead ---
gMC->Gstpar(idtmed[600], "LOSS", 3.);
gMC->Gstpar(idtmed[605], "LOSS", 3.);
gMC->Gstpar(idtmed[605], "DRAY", 1.);
- gMC->Gstpar(idtmed[606], "LOSS", 3.);
- gMC->Gstpar(idtmed[606], "DRAY", 1.);
-
gMC->Gstpar(idtmed[607], "LOSS", 3.);
gMC->Gstpar(idtmed[607], "DRAY", 1.);
gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
+
gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
+
gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
-
+// gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
+// gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
+// gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
+// gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
// --- Prevent particles stopping in the gas due to energy cut-off ---
gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
+
+ AliDebug(1,"Outside create materials");
+
}
//_____________________________________________________________________________
//
// Initialises PMD detector after it has been built
//
- Int_t i;
- kdet=1;
+
//
- if(fDebug) {
- printf("\n%s: ",ClassName());
- for(i=0;i<35;i++) printf("*");
- printf(" PMD_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n%s: ",ClassName());
- printf(" PMD simulation package (v1) initialised\n");
- printf("%s: parameters of pmd\n",ClassName());
- printf("%s: %10.2f %10.2f %10.2f \
- %10.2f\n",ClassName(),cell_radius,cell_wall,cell_depth,zdist1 );
- printf("%s: ",ClassName());
- for(i=0;i<80;i++) printf("*");
- printf("\n");
- }
-
+ AliDebug(2,"Inside Init");
+ AliDebug(2,"PMD simulation package (v1) initialised");
+ AliDebug(2,"parameters of pmd");
+ AliDebug(2,Form("%10.2f %10.2f %10.2f %10.2f\n",
+ fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist));
Int_t *idtmed = fIdtmed->GetArray()-599;
fMedSens=idtmed[605-1];
+
}
//_____________________________________________________________________________
//
// Called at each step in the PMD
//
+
Int_t copy;
Float_t hits[4], destep;
Float_t center[3] = {0,0,0};
- Int_t vol[5];
- //char *namep;
+ Int_t vol[10];
+ // const char *namep;
- if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
+ if(gMC->CurrentMedium() == fMedSens && (destep = gMC->Edep())) {
gMC->CurrentVolID(copy);
-
- //namep=gMC->CurrentVolName();
- //printf("Current vol is %s \n",namep);
-
+ // namep=gMC->CurrentVolName();
+ // printf("Current vol is %s \n",namep);
vol[0]=copy;
- gMC->CurrentVolOffID(1,copy);
+ gMC->CurrentVolOffID(1,copy);
//namep=gMC->CurrentVolOffName(1);
- //printf("Current vol 11 is %s \n",namep);
-
+ // printf("Current vol 11 is %s \n",namep);
vol[1]=copy;
- gMC->CurrentVolOffID(2,copy);
+ gMC->CurrentVolOffID(2,copy);
//namep=gMC->CurrentVolOffName(2);
//printf("Current vol 22 is %s \n",namep);
-
vol[2]=copy;
// if(strncmp(namep,"EHC1",4))vol[2]=1;
gMC->CurrentVolOffID(3,copy);
-
- //namep=gMC->CurrentVolOffName(3);
+ // namep=gMC->CurrentVolOffName(3);
//printf("Current vol 33 is %s \n",namep);
-
vol[3]=copy;
+
gMC->CurrentVolOffID(4,copy);
+ // namep=gMC->CurrentVolOffName(4);
+ // printf("Current vol 44 is %s \n",namep);
+ vol[4]=copy;
- //namep=gMC->CurrentVolOffName(4);
- //printf("Current vol 44 is %s \n",namep);
+ gMC->CurrentVolOffID(5,copy);
+ // namep=gMC->CurrentVolOffName(5);
+ // printf("Current vol 55 is %s \n",namep);
+ vol[5]=copy;
- vol[4]=copy;
- //printf("volume number %d,%d,%d,%d,%d,%f \n",vol[0],vol[1],vol[2],vol[3],vol[4],destep*1000000);
+ gMC->CurrentVolOffID(6,copy);
+ // namep=gMC->CurrentVolOffName(6);
+ // printf("Current vol 66 is %s \n",namep);
+ vol[6]=copy;
+
+ gMC->CurrentVolOffID(7,copy);
+ // namep=gMC->CurrentVolOffName(7);
+ // printf("Current vol 77 is %s \n",namep);
+ vol[7]=copy;
+ gMC->CurrentVolOffID(8,copy);
+ // namep=gMC->CurrentVolOffName(8);
+ // printf("Current vol 88 is %s \n",namep);
+ vol[8]=copy;
+
+
+ gMC->CurrentVolOffID(9,copy);
+ // namep=gMC->CurrentVolOffName(9);
+ // printf("Current vol 99 is %s \n",namep);
+ vol[9]=copy;
+
+
+ // printf("volume number %4d %4d %4d %4d %4d %4d %4d %4d %4d %4d %10.3f \n",vol[0],vol[1],vol[2],vol[3],vol[4],vol[5],vol[6],vol[7],vol[8],vol[9],destep*1000000);
+
gMC->Gdtom(center,hits,1);
hits[3] = destep*1e9; //Number in eV
- AddHit(gAlice->GetCurrentTrackNumber(), vol, hits);
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
+
}
}
void AliPMDv1::GetParameters()
{
- Int_t ncell_um, num_um;
- ncell_um=24;
- num_um=3;
- ncell_hole=24;
- cell_radius=0.25;
- cell_wall=0.02;
- cell_depth=0.25 * 2.;
- //
- boundary=0.7;
- ncell_sm=ncell_um * num_um; //no. of cells in a row in one supermodule
- sm_length= ((ncell_sm + 0.25 ) * cell_radius) * 2.;
- //
- th_base=0.3;
- th_air=0.1;
- th_pcb=0.16;
+ // This gives all the parameters of the detector
+ // such as Length of Supermodules, type A, type B,
+ // thickness of the Supermodule
//
- sm_thick = th_base + th_air + th_pcb + cell_depth + th_pcb + th_air + th_pcb;
- //
- th_lead=1.5;
- th_steel=0.5;
- //
- zdist1 = -365.;
-}
-
-
-
-
-
-
-
-
-
-
-
+
+ fSMLengthax = 32.7434;
+ //The total length in X is due to the following components
+ // Factor 3 is because of 3 module length in X for this type
+ // fgkNcolUM1*fgkCellRadius (48 x 0.25): Total span of each module in X
+ // fgkCellRadius/2. : There is offset of 1/2 cell
+ // 0.05+0.05 : Insulation gaps etc
+ // fgkSSBoundary (0.3) : Boundary frame
+ // double XA = 3.0*((fgkCellRadius/fgkSqroot3by2*fgkNcolUM1)-(fgkCellRadius*fgkSqroot3*(fgkNcolUM1-1)/6.)+(2.0*fgkGap)+(2.0*fgkGap)+fgkSSBoundary) + (2.0*0.075);
+
+ fSMLengthbx = 42.5886;
+ //The total length in X is due to the following components
+ // Factor 2 is because of 2 module length in X for this type
+ // fgkNcolUM2*fgkCellRadius (96 x 0.25): Total span of each module in X
+ // fgkCellRadius/2. : There is offset of 1/2 cell
+ // 0.05+0.05 : Insulation gaps etc
+ // fgkSSBoundary (0.3) : Boundary frame
+ //double XB = 2.0*((fgkCellRadius/fgkSqroot3by2*fgkNcolUM2)-(fgkCellRadius*fgkSqroot3*(fgkNcolUM2-1)/6.)+(2.0*fgkGap)+(2.0*fgkGap)+fgkSSBoundary) + 0.075;
+
+
+
+ fSMLengthay = 49.1;
+ //The total length in Y is due to the following components
+ // Factor 2 is because of 2 module length in Y for this type
+ // fgkCellRadius/fgkSqroot3by2)*fgkNrowUM1 (0.25/sqrt3/2 * 96): Total span of each module in Y
+ // of strips
+ // 0.05+0.05 : Insulation gaps etc
+ // fgkSSBoundary (0.3) : Boundary frame
+ // double YA = 2.0*(fgkNrowUM1*fgkCellRadius+fgkCellRadius/2.+(2.0*fgkGap)+(2.0*fgkGap)+fgkSSBoundary) + 0.05;
+
+ fSMLengthby = 37.675;
+ //The total length in Y is due to the following components
+ // Factor 3 is because of 3 module length in Y for this type
+ // fgkCellRadius/fgkSqroot3by2)*fgkNrowUM2 (0.25/sqrt3/2 * 48): Total span of each module in Y
+ // of strips
+ // 0.05+0.05 : Insulation gaps etc
+ // fgkSSBoundary (0.3) : Boundary frame
+ //double YB = 3.0*((fgkNrowUM2*fgkCellRadius + fgkCellRadius/2.)+(2.0*fgkGap)+(2.0*fgkGap)+fgkSSBoundary) + (2.0*0.05);
+
+
+ //Thickness of a pre/veto plane
+ fDthick = fgkThSS/2. +0.15;
+
+ //Thickness of the PMD ; 2.4 added for FEE boards
+ fSMthick = 2.0*(fgkThSS/2. +0.15)
+ +fgkThSteel/2.+fgkThLead/2.0 + 2.4;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff