/***************************************************************************
* 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. *
**************************************************************************/
/*
$Log$
Revision 1.36 2004/06/26 08:01:14 bnandi
syntax correction for Mylar
Revision 1.35 2004/01/07 10:49:49 hristov
Initialization to avoid runtime problems (valgrind)
Revision 1.34 2003/12/18 04:25:03 bnandi
overlap with beam pipe fixed and Gsposp changed to Gspos
Revision 1.33 2003/11/03 14:33:26 hristov
Correct initialization of static data members
Revision 1.32 2003/11/03 11:53:05 bnandi
global variables are removed
Revision 1.31 2003/10/31 12:25:36 bnandi
variable names are changed according to ALICE convention
Revision 1.30 2003/10/23 16:32:19 hristov
MC-dependent part of AliRun extracted in AliMC (F.Carminati)
Revision 1.29 2003/10/13 05:28:59 bnandi
gaspmd[2] value changed 0.25->7.0 because of overlap
Revision 1.28 2003/10/08 12:59:08 bnandi
zpos is positive
Revision 1.27 2003/10/08 12:56:58 bnandi
gaspmd[2] value changed from 7.0 to 0.25
Revision 1.26 2003/10/03 06:04:10 bnandi
z_psa and z_psb bugs fixed
Revision 1.25 2003/10/01 11:08:04 bnandi
changes for NewIO
Revision 1.24 2003/10/01 08:32:51 hristov
CurrentTrack replaced by GetCurrentTrackNumber
Revision 1.23 2003/10/01 05:07:51 bnandi
New geometry in new Alice Coordinate system
New rectangular geometry for ALICE PMD - Bedanga Mohanty and Y. P. Viyogi
June 2003
*/
//
///////////////////////////////////////////////////////////////////////////////
// //
// Photon Multiplicity Detector Version 1 //
// //
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
////
#include "AliPMDv1.h"
#include "AliRun.h"
#include "AliConst.h"
#include "AliMagF.h"
#include "Riostream.h"
#include
#include "AliMC.h"
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::fgkBoundary = 0.7; // Thickness of Boundary wall
const Float_t AliPMDv1::fgkThBase = 0.3; // Thickness of Base plate
const Float_t AliPMDv1::fgkThAir = 0.1; // 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
ClassImp(AliPMDv1)
//_____________________________________________________________________________
AliPMDv1::AliPMDv1()
{
//
// Default constructor
//
fMedSens=0;
}
//_____________________________________________________________________________
AliPMDv1::AliPMDv1(const char *name, const char *title)
: AliPMD(name,title)
{
//
// Standard constructor
//
fMedSens=0;
}
//_____________________________________________________________________________
void AliPMDv1::CreateGeometry()
{
// Create geometry for Photon Multiplicity Detector
GetParameters();
CreateSupermodule();
CreatePMD();
}
//_____________________________________________________________________________
void AliPMDv1::CreateSupermodule()
{
//
// 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 9 unit moudles inside them
// ESMA, ESMB are placed in EPMD along with EMPB (Pb converter)
// and EMFE (iron support)
Int_t i,j;
Int_t number;
Int_t ihrotm,irotdm;
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.);
// 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] = -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);
// 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};
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", 0);
// Place inner hex (sensitive volume) inside outer hex (copper)
gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY");
// Now create Rectangular TWO strips (EST1, EST2)
// of 1 column and 48 or 96 cells length
// volume for first strip EST1 made of AIR
Float_t dbox1[3];
dbox1[0] = fgkNcolUM1*fgkCellRadius;
dbox1[1] = fgkCellRadius/fgkSqroot3by2;
dbox1[2] = fgkCellDepth/2.;
gMC->Gsvolu("EST1","BOX", idtmed[698], dbox1, 3);
gMC->Gsatt("EST1", "SEEN", 0);
// volume for second strip EST2
Float_t dbox2[3];
dbox2[0] = fgkNcolUM2*fgkCellRadius;
dbox2[1] = dbox1[1];
dbox2[2] = dbox1[2];
gMC->Gsvolu("EST2","BOX", idtmed[698], dbox2, 3);
gMC->Gsatt("EST2", "SEEN", 0);
// Place hexagonal cells ECCU placed inside EST1
yb = 0.;
zb = 0.;
xb = -(dbox1[0]) + fgkCellRadius;
for (i = 1; i <= fgkNcolUM1; ++i)
{
number = i;
gMC->Gspos("ECCU", number, "EST1", xb,yb,zb, ihrotm, "ONLY");
xb += (fgkCellRadius*2.);
}
// Place hexagonal cells ECCU placed inside EST2
yb = 0.;
zb = 0.;
xb = -(dbox2[0]) + fgkCellRadius;
for (i = 1; i <= fgkNcolUM2; ++i)
{
number = i;
gMC->Gspos("ECCU", number, "EST2", xb,yb,zb, ihrotm, "ONLY");
xb += (fgkCellRadius*2.);
}
// 2 types of rectangular shaped unit modules EUM1 and EUM2 (defined by BOX)
// Create EUM1
Float_t dbox3[3];
dbox3[0] = dbox1[0]+fgkCellRadius/2.;
dbox3[1] = (dbox1[1]*fgkNrowUM1)-(fgkCellRadius*fgkSqroot3*(fgkNrowUM1-1)/6.);
dbox3[2] = fgkCellDepth/2.;
gMC->Gsvolu("EUM1","BOX", idtmed[698], dbox3, 3);
gMC->Gsatt("EUM1", "SEEN", 1);
// Place rectangular strips EST1 inside EUM1 unit module
yb = -dbox3[1]+dbox1[1];
for (j = 1; j <= fgkNrowUM1; ++j)
{
if(j%2 == 0)
{
xb = fgkCellRadius/2.0;
}
else
{
xb = -fgkCellRadius/2.0;
}
number = j;
gMC->Gspos("EST1",number, "EUM1", xb, yb , 0. , 0, "MANY");
yb = (-dbox3[1]+dbox1[1])+j*1.0*fgkCellRadius*fgkSqroot3;
}
// Create EUM2
Float_t dbox4[3];
dbox4[0] = dbox2[0] + fgkCellRadius/2.;
dbox4[1] =(dbox2[1]*fgkNrowUM2)-(fgkCellRadius*fgkSqroot3*(fgkNrowUM2-1)/6.);
dbox4[2] = dbox3[2];
gMC->Gsvolu("EUM2","BOX", idtmed[698], dbox4, 3);
gMC->Gsatt("EUM2", "SEEN", 1);
// Place rectangular strips EST2 inside EUM2 unit module
yb = -dbox4[1]+dbox2[1];
for (j = 1; j <= fgkNrowUM2; ++j)
{
if(j%2 == 0)
{
xb = fgkCellRadius/2.0;
}
else
{
xb = -fgkCellRadius/2.0;
}
number = j;
gMC->Gspos("EST2",number, "EUM2", xb, yb , 0. , 0, "MANY");
yb = (-dbox4[1]+dbox2[1])+j*1.0*fgkCellRadius*fgkSqroot3;
}
// 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
Float_t dboxSM1[3];
dboxSM1[0] = 3.0*dbox3[0]+(2.0*0.025);
dboxSM1[1] = 2.0*dbox3[1]+0.025;
dboxSM1[2] = fgkCellDepth/2.;
gMC->Gsvolu("ESMA","BOX", idtmed[698], dboxSM1, 3);
gMC->Gsatt("ESMA", "SEEN", 1);
//Position the 6 unit modules in EMSA
Float_t xa1,xa2,xa3,ya1,ya2;
xa1 = -dboxSM1[0] + dbox3[0];
xa2 = 0.;
xa3 = dboxSM1[0] - dbox3[0];
ya1 = dboxSM1[1] - dbox3[1];
ya2 = -dboxSM1[1] + dbox3[1];
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");
// volume for SUPERMODULE ESMB
//Space is added to provide a gapping for HV between UM's
Float_t dboxSM2[3];
dboxSM2[0] = 2.0*dbox4[0]+0.025;
dboxSM2[1] = 3.0*dbox4[1]+(2.0*0.025);
dboxSM2[2] = fgkCellDepth/2.;
gMC->Gsvolu("ESMB","BOX", idtmed[698], dboxSM2, 3);
gMC->Gsatt("ESMB", "SEEN", 1);
//Position the 6 unit modules in EMSB
Float_t xb1,xb2,yb1,yb2,yb3;
xb1 = -dboxSM2[0] +dbox4[0];
xb2 = dboxSM2[0]-dbox4[0];
yb1 = dboxSM2[1]-dbox4[1];
yb2 = 0.;
yb3 = -dboxSM2[1]+dbox4[1];
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");
// Make a 3mm thick G10 Base plate for ESMA
Float_t dboxG1a[3];
dboxG1a[0] = dboxSM1[0];
dboxG1a[1] = dboxSM1[1];
dboxG1a[2] = fgkThBase/2.;
gMC->Gsvolu("EBPA","BOX", idtmed[607], dboxG1a, 3);
gMC->Gsatt("EBPA", "SEEN", 1);
// Make a 1.6mm thick G10 PCB for ESMA
Float_t dboxG2a[3];
dboxG2a[0] = dboxSM1[0];
dboxG2a[1] = dboxSM1[1];
dboxG2a[2] = fgkThPCB/2.;
gMC->Gsvolu("EPCA","BOX", idtmed[607], dboxG2a, 3);
gMC->Gsatt("EPCA", "SEEN", 1);
// Make a Full module EFPA of AIR to place EBPA,
// 1mm AIR, EPCA, ESMA,EPCA for PMD
Float_t dboxAlla[3];
dboxAlla[0] = dboxSM1[0];
dboxAlla[1] = dboxSM1[1];
dboxAlla[2] = (fgkThBase+fgkThAir+fgkThPCB+dboxSM1[2]+fgkThPCB)/2.;
gMC->Gsvolu("EFPA","BOX", idtmed[698], dboxAlla, 3);
gMC->Gsatt("EFPA", "SEEN", 1);
// Make a Full module EFCA of AIR to place EBPA,
// 1mm AIR, EPCA, ESMA,EPC for CPV
Float_t dboxAlla2[3];
dboxAlla2[0] = dboxSM1[0];
dboxAlla2[1] = dboxSM1[1];
dboxAlla2[2] = (fgkThBase+fgkThAir+fgkThPCB+dboxSM1[2]+fgkThPCB)/2.;
gMC->Gsvolu("EFCA","BOX", idtmed[698], dboxAlla2, 3);
gMC->Gsatt("EFCA", "SEEN", 1);
// Now place everything in EFPA for PMD
Float_t zbpa,zpcba1,zpcba2,zsma;
zpcba1 = - dboxAlla[2]+fgkThPCB/2.0;
gMC->Gspos("EPCA", 1, "EFPA", 0., 0., zpcba1, 0, "ONLY");
zsma = zpcba1+dboxSM1[2];
gMC->Gspos("ESMA", 1, "EFPA", 0., 0., zsma, 0, "ONLY");
zpcba2 = zsma+fgkThPCB/2.0;
gMC->Gspos("EPCA", 2, "EFPA", 0., 0., zpcba2, 0, "ONLY");
zbpa = zpcba2+fgkThAir+fgkThBase/2.0;
gMC->Gspos("EBPA", 1, "EFPA", 0., 0., zbpa, 0, "ONLY");
// Now place everything in EFCA for CPV
Float_t zbpa2,zpcba12,zpcba22,zsma2;
zbpa2 = - dboxAlla2[2]+fgkThBase/2.0;
gMC->Gspos("EBPA", 1, "EFCA", 0., 0., zbpa2, 0, "ONLY");
zpcba12 = zbpa2+fgkThAir+fgkThPCB/2.0;
gMC->Gspos("EPCA", 1, "EFCA", 0., 0., zpcba12, 0, "ONLY");
zsma2 = zpcba12+dboxSM1[2];
gMC->Gspos("ESMA", 1, "EFCA", 0., 0., zsma2, 0, "ONLY");
zpcba22 = zsma2+fgkThPCB/2.0;
gMC->Gspos("EPCA", 2, "EFCA", 0., 0., zpcba22, 0, "ONLY");
// Make a 3mm thick G10 Base plate for ESMB
Float_t dboxG1b[3];
dboxG1b[0] = dboxSM2[0];
dboxG1b[1] = dboxSM2[1];
dboxG1b[2] = fgkThBase/2.;
gMC->Gsvolu("EBPB","BOX", idtmed[607], dboxG1b, 3);
gMC->Gsatt("EBPB", "SEEN", 1);
// Make a 1.6mm thick G10 PCB for ESMB
Float_t dboxG2b[3];
dboxG2b[0] = dboxSM2[0];
dboxG2b[1] = dboxSM2[1];
dboxG2b[2] = fgkThPCB/2.;
gMC->Gsvolu("EPCB","BOX", idtmed[607], dboxG2b, 3);
gMC->Gsatt("EPCB", "SEEN", 1);
// Make a Full module EFPB of AIR to place EBPB,
//1mm AIR, EPCB, ESMB,EPCB for PMD
Float_t dboxAllb[3];
dboxAllb[0] = dboxSM2[0];
dboxAllb[1] = dboxSM2[1];
dboxAllb[2] = (fgkThBase+fgkThAir+fgkThPCB+dboxSM2[2]+fgkThPCB)/2.;
gMC->Gsvolu("EFPB","BOX", idtmed[698], dboxAllb, 3);
gMC->Gsatt("EFPB", "SEEN", 1);
// Make a Full module EFCB of AIR to place EBPB,
//1mm AIR, EPCB, ESMB,EPCB for CPV
Float_t dboxAllb2[3];
dboxAllb2[0] = dboxSM2[0];
dboxAllb2[1] = dboxSM2[1];
dboxAllb2[2] = (fgkThBase+fgkThAir+fgkThPCB+dboxSM2[2]+fgkThPCB)/2.;
gMC->Gsvolu("EFCB","BOX", idtmed[698], dboxAllb2, 3);
gMC->Gsatt("EFCB", "SEEN", 1);
// Now place everything in EFPB for PMD
Float_t zbpb,zpcbb1,zpcbb2,zsmb;
zpcbb1 = - dboxAllb[2]+fgkThPCB/2.0;
gMC->Gspos("EPCB", 1, "EFPB", 0., 0., zpcbb1, 0, "ONLY");
zsmb = zpcbb1+dboxSM2[2];
gMC->Gspos("ESMB", 1, "EFPB", 0., 0., zsmb, 0, "ONLY");
zpcbb2 = zsmb+fgkThPCB/2.0;
gMC->Gspos("EPCB", 2, "EFPB", 0., 0., zpcbb2, 0, "ONLY");
zbpb = zpcbb2+fgkThAir+fgkThBase/2.0;
gMC->Gspos("EBPB", 1, "EFPB", 0., 0., zbpb, 0, "ONLY");
// Now place everything in EFCB for CPV
Float_t zbpb2,zpcbb12,zpcbb22,zsmb2;
zbpb2 = - dboxAllb2[2]+fgkThBase/2.0;
gMC->Gspos("EBPB", 1, "EFCB", 0., 0., zbpb2, 0, "ONLY");
zpcbb12 = zbpb2+0.1+fgkThPCB/2.0;
gMC->Gspos("EPCB", 1, "EFCB", 0., 0., zpcbb12, 0, "ONLY");
zsmb2 = zpcbb12+dboxSM2[2];
gMC->Gspos("ESMB", 1, "EFCB", 0., 0., zsmb2, 0, "ONLY");
zpcbb22 = zsmb2+fgkThPCB/2.0;
gMC->Gspos("EPCB", 2, "EFCB", 0., 0., zpcbb22, 0, "ONLY");
// Master MODULE EMPA of aluminum for PMD
fDboxmm1[0] = dboxSM1[0]+fgkBoundary;
fDboxmm1[1] = dboxSM1[1]+fgkBoundary;
fDboxmm1[2] = dboxAlla[2];
gMC->Gsvolu("EMPA","BOX", idtmed[603], fDboxmm1, 3);
gMC->Gsatt("EMPA", "SEEN", 1);
// Master MODULE EMCA of aluminum for CPV
fDboxmm12[0] = dboxSM1[0]+fgkBoundary;
fDboxmm12[1] = dboxSM1[1]+fgkBoundary;
fDboxmm12[2] = dboxAlla[2];
gMC->Gsvolu("EMCA","BOX", idtmed[603], fDboxmm12, 3);
gMC->Gsatt("EMCA", "SEEN", 1);
//Position EFMA inside EMMA for PMD and CPV
gMC->Gspos("EFPA", 1, "EMPA", 0., 0., 0., 0, "ONLY");
gMC->Gspos("EFCA", 1, "EMCA", 0., 0., 0., 0, "ONLY");
// Master MODULE EMPB of aluminum for PMD
fDboxmm2[0] = dboxSM2[0]+fgkBoundary;
fDboxmm2[1] = dboxSM2[1]+fgkBoundary;
fDboxmm2[2] = dboxAllb[2];
gMC->Gsvolu("EMPB","BOX", idtmed[603], fDboxmm2, 3);
gMC->Gsatt("EMPB", "SEEN", 1);
// Master MODULE EMCB of aluminum for CPV
fDboxmm22[0] = dboxSM2[0]+fgkBoundary;
fDboxmm22[1] = dboxSM2[1]+fgkBoundary;
fDboxmm22[2] = dboxAllb[2];
gMC->Gsvolu("EMCB","BOX", idtmed[603], fDboxmm22, 3);
gMC->Gsatt("EMCB", "SEEN", 1);
//Position EFMB inside EMMB
gMC->Gspos("EFPB", 1, "EMPB", 0., 0., 0., 0, "ONLY");
gMC->Gspos("EFCB", 1, "EMCB", 0., 0., 0., 0, "ONLY");
}
//_____________________________________________________________________________
void AliPMDv1::CreatePMD()
{
//
// Create final detector from supermodules
// -- Author : Bedanga and Viyogi June 2003
Float_t xp, yp, zp;
Int_t jhrot12,jhrot13, irotdm;
Int_t *idtmed = fIdtmed->GetArray()-599;
//VOLUMES Names : begining with "E" for all PMD volumes,
// --- DEFINE Iron, and lead volumes for SM A
Float_t dboxPba[3];
dboxPba[0] = fSMLengthax;
dboxPba[1] = fSMLengthay;
dboxPba[2] = fgkThLead/2.;
gMC->Gsvolu("EPBA","BOX", idtmed[600], dboxPba, 3);
gMC->Gsatt ("EPBA", "SEEN", 0);
// 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);
// --- DEFINE Iron, and lead volumes for SM B
Float_t dboxPbb[3];
dboxPbb[0] = fSMLengthbx;
dboxPbb[1] = fSMLengthby;
dboxPbb[2] = fgkThLead/2.;
gMC->Gsvolu("EPBB","BOX", idtmed[600], dboxPbb, 3);
gMC->Gsatt ("EPBB", "SEEN", 0);
// 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);
AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
AliMatrix(jhrot12, 90., 180., 90., 270., 0., 0.);
AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
// 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] = fDboxmm1[0];
gaspmd[1] = fDboxmm1[1];
gaspmd[2] = 7.0; // for the entire detector, including connectors etc
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;
// 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]
zpsa = -2.5 + fSMthick/2.;
gMC->Gspos("EMPA", 1, "EPM1", 0., 0., zpsa, 0, "ONLY");
gMC->Gspos("EMPA", 2, "EPM2", 0., 0., zpsa, jhrot12, "ONLY");
zpba=zpsa+fSMthick/2.+dboxPba[2];
gMC->Gspos("EPBA", 1, "EPM1", 0., 0., zpba, 0, "ONLY");
gMC->Gspos("EPBA", 2, "EPM2", 0., 0., zpba, 0, "ONLY");
zfea=zpba+dboxPba[2]+dboxFea[2];
gMC->Gspos("EFEA", 1, "EPM1", 0., 0., zfea, 0, "ONLY");
gMC->Gspos("EFEA", 2, "EPM2", 0., 0., zfea, 0, "ONLY");
zcva=zfea+dboxFea[2]+fSMthick/2.;
gMC->Gspos("EMCA", 1, "EPM1", 0., 0., zcva, 0, "ONLY");
gMC->Gspos("EMCA", 2, "EPM2", 0., 0., zcva, jhrot12, "ONLY");
gaspmd[0] = fDboxmm2[0];
gaspmd[1] = fDboxmm2[1];
gaspmd[2] = 7.0; // for the entire detector, including connectors etc
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]
zpsb = -2.5 + fSMthick/2.;
gMC->Gspos("EMPB", 3, "EPM3", 0., 0., zpsb, 0, "ONLY");
gMC->Gspos("EMPB", 4, "EPM4", 0., 0., zpsb, jhrot12, "ONLY");
zpbb=zpsb+fSMthick/2.+dboxPbb[2];
gMC->Gspos("EPBB", 3, "EPM3", 0., 0., zpbb, 0, "ONLY");
gMC->Gspos("EPBB", 4, "EPM4", 0., 0., zpbb, 0, "ONLY");
zfeb=zpbb+dboxPbb[2]+dboxFeb[2];
gMC->Gspos("EFEB", 3, "EPM3", 0., 0., zfeb, 0, "ONLY");
gMC->Gspos("EFEB", 4, "EPM4", 0., 0., zfeb, 0, "ONLY");
zcvb=zfeb+dboxFeb[2]+fSMthick/2.;
gMC->Gspos("EMCB", 3, "EPM3", 0., 0., zcvb, 0, "ONLY");
gMC->Gspos("EMCB", 4, "EPM4", 0., 0., zcvb, jhrot12, "ONLY");
// --- Place the EPMD in ALICE
xp = 0.;
yp = 0.;
zp = fgkZdist;
Float_t xsma,ysma;
Float_t xsmb,ysmb;
xsma = -fSMLengthbx;
ysma = fSMLengthby;
xsmb = -fSMLengthax;
ysmb = -fSMLengthay;
//Position Full PMD in ALICE
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() const
{
// Draw a shaded view of the Photon Multiplicity Detector
//
// cout << " Inside Draw Modules " << endl;
gMC->Gsatt("*", "seen", -1);
gMC->Gsatt("alic", "seen", 0);
//
// Set the visibility of the components
//
gMC->Gsatt("ECAR","seen",0);
gMC->Gsatt("ECCU","seen",1);
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->Gsatt("*", "fill", 7);
gMC->SetClipBox(".");
gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
gMC->DefaultRange();
gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02);
gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
//gMC->Gdman(17, 5, "MAN");
gMC->Gdopt("hide", "off");
cout << " Outside Draw Modules " << endl;
}
//_____________________________________________________________________________
void AliPMDv1::CreateMaterials()
{
// Create materials for the PMD
//
// ORIGIN : Y. P. VIYOGI
//
// 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 $", 207.19, 82., 11.35, .56, 18.5);
// Argon
Float_t dAr = 0.001782; // --- Ar density in g/cm3 ---
Float_t x0Ar = 19.55 / dAr;
AliMaterial(2, "Argon$", 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);
// G10
Float_t aG10[4]={1.,12.011,15.9994,28.086};
Float_t zG10[4]={1.,6.,8.,14.};
Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667};
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(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[600], "DRAY", 1.);
gMC->Gstpar(idtmed[603], "LOSS", 3.);
gMC->Gstpar(idtmed[603], "DRAY", 1.);
gMC->Gstpar(idtmed[604], "LOSS", 3.);
gMC->Gstpar(idtmed[604], "DRAY", 1.);
gMC->Gstpar(idtmed[605], "LOSS", 3.);
gMC->Gstpar(idtmed[605], "DRAY", 1.);
gMC->Gstpar(idtmed[607], "LOSS", 3.);
gMC->Gstpar(idtmed[607], "DRAY", 1.);
// --- Energy cut-offs in the Pb and Al to gain time in tracking ---
// --- without affecting the hit patterns ---
gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
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[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);
// --- 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);
cout << " Outside create materials " << endl;
}
//_____________________________________________________________________________
void AliPMDv1::Init()
{
//
// Initialises PMD detector after it has been built
//
Int_t i;
// gAliKdet=1;
//
cout << " Inside Init " << endl;
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(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist );
printf("%s: ",ClassName());
for(i=0;i<80;i++) printf("*");
printf("\n");
}
Int_t *idtmed = fIdtmed->GetArray()-599;
fMedSens=idtmed[605-1];
}
//_____________________________________________________________________________
void AliPMDv1::StepManager()
{
//
// 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[8];
//const char *namep;
if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
gMC->CurrentVolID(copy);
//namep=gMC->CurrentVolName();
//printf("Current vol is %s \n",namep);
vol[0]=copy;
gMC->CurrentVolOffID(1,copy);
//namep=gMC->CurrentVolOffName(1);
//printf("Current vol 11 is %s \n",namep);
vol[1]=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);
//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;
gMC->CurrentVolOffID(5,copy);
//namep=gMC->CurrentVolOffName(5);
//printf("Current vol 55 is %s \n",namep);
vol[5]=copy;
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;
//printf("volume number %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],destep*1000000);
gMC->Gdtom(center,hits,1);
hits[3] = destep*1e9; //Number in eV
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
}
}
//------------------------------------------------------------------------
// Get parameters
void AliPMDv1::GetParameters()
{
// This gives all the parameters of the detector
// such as Length of Supermodules, type A, type B,
// thickness of the Supermodule
//
fSMLengthax = (3.0*(fgkNcolUM1*fgkCellRadius+fgkCellRadius/2.)
+ (2.0*fgkGap)) + fgkBoundary;
fSMLengthbx = 2.0*(fgkNcolUM2*fgkCellRadius+fgkCellRadius/2.)
+ fgkGap + fgkBoundary;
fSMLengthay = 2.0*(((fgkCellRadius/fgkSqroot3by2)*fgkNrowUM1)
- (fgkCellRadius*fgkSqroot3*(fgkNrowUM1-1)/6.))
+ fgkGap + fgkBoundary;
fSMLengthby = 3.0*(((fgkCellRadius/fgkSqroot3by2)*fgkNrowUM2)
- (fgkCellRadius*fgkSqroot3*(fgkNrowUM2-1)/6.))
+ (2.0*fgkGap) + fgkBoundary;
fSMthick = fgkThBase + fgkThAir + fgkThPCB
+ fgkCellDepth + fgkThPCB + fgkThAir + fgkThPCB;
}