/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Muon Shield Class //
// This class contains a description of the muon shield //
// //
//Begin_Html
/*
*/
//End_Html
// //
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include "AliSHIL.h"
#include "AliRun.h"
#include "AliMagF.h"
#include "AliConst.h"
#include "AliLog.h"
ClassImp(AliSHIL)
//_____________________________________________________________________________
AliSHIL::AliSHIL()
{
//
// Default constructor for muon shield
//
}
//_____________________________________________________________________________
AliSHIL::AliSHIL(const char *name, const char *title)
: AliModule(name,title)
{
//
// Standard constructor for muon shield
//
//PH SetMarkerColor(7);
//PH SetMarkerStyle(2);
//PH SetMarkerSize(0.4);
}
//_____________________________________________________________________________
void AliSHIL::CreateGeometry()
{
//
// Build muon shield geometry
//
}
//_____________________________________________________________________________
void AliSHIL::CreateMaterials()
{
//
// Defines materials for the muon shield
//
Int_t isxfld1 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
Int_t isxfld2 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->PrecInteg();
Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
// 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 };
// PbW
Float_t apbw[2] = { 207.2,183.85 };
Float_t zpbw[2] = { 82.,74. };
Float_t wpbw[2] = { .5,.5 };
// Concrete
Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,
28.086,39.1,40.08,55.85 };
Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,
.337021,.013,.044,.014 };
// Ni-Cu-W alloy
Float_t aniwcu[3] ={58.6934, 183.84, 63.546};
Float_t zniwcu[3] ={28., 74., 29.};
Float_t wniwcu[3] ={ 0.015, 0.95, 0.035};
//
// Insulation powder
// Si O Ti Al
Float_t ains[4] ={28.0855, 15.9994, 47.867, 26.982};
Float_t zins[4] ={14., 8. , 22. , 13. };
Float_t wins[4] ={ 0.3019, 0.4887, 0.1914, 0.018};
//
// 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 dAir = 1.20479E-3;
Float_t dAir1 = 1.20479E-10;
Float_t epsil, stmin, tmaxfd, deemax, stemax;
// STEEL
// LEAD/TUNGSTEN MIXTURE
// --- Define the various materials for GEANT ---
// Aluminum
AliMaterial(9, "ALU1 ", 26.98, 13., 2.7, 8.9, 37.2);
AliMaterial(29, "ALU2 ", 26.98, 13., 2.7, 8.9, 37.2);
AliMaterial(49, "ALU3 ", 26.98, 13., 2.7, 8.9, 37.2);
// Iron
AliMaterial(10, "IRON1 ", 55.85, 26., 7.87, 1.76, 17.1);
AliMaterial(30, "IRON2 ", 55.85, 26., 7.87, 1.76, 17.1);
AliMaterial(50, "IRON3 ", 55.85, 26., 7.87, 1.76, 17.1);
//
// Copper
AliMaterial(11, "COPPER1 ", 63.55, 29., 8.96, 1.43, 15.1);
AliMaterial(31, "COPPER2 ", 63.55, 29., 8.96, 1.43, 15.1);
AliMaterial(51, "COPPER3 ", 63.55, 29., 8.96, 1.43, 15.1);
// Tungsten
AliMaterial(12, "TUNGSTEN1 ", 183.85, 74., 19.3, .35, 10.3);
AliMaterial(32, "TUNGSTEN2 ", 183.85, 74., 19.3, .35, 10.3);
AliMaterial(52, "TUNGSTEN3 ", 183.85, 74., 19.3, .35, 10.3);
// Lead
AliMaterial(13, "LEAD1 ", 207.19, 82., 11.35, .56, 18.5);
AliMaterial(33, "LEAD2 ", 207.19, 82., 11.35, .56, 18.5);
AliMaterial(53, "LEAD3 ", 207.19, 82., 11.35, .56, 18.5);
// Air
AliMixture(15, "AIR1 ", aAir, zAir, dAir, 4, wAir);
AliMixture(35, "AIR2 ", aAir, zAir, dAir, 4, wAir);
AliMixture(55, "AIR3 ", aAir, zAir, dAir, 4, wAir);
AliMixture(75, "AIR_MUON ", aAir, zAir, dAir, 4, wAir);
// Vacuum
AliMixture(16, "VACUUM1 ", aAir, zAir, dAir1, 4, wAir);
AliMixture(36, "VACUUM2 ", aAir, zAir, dAir1, 4, wAir);
AliMixture(56, "VACUUM3 ", aAir, zAir, dAir1, 4, wAir);
// Stainless Steel
AliMixture(19, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel);
AliMixture(39, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel);
AliMixture(59, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel);
// Lead/Tungsten
AliMixture(20, "LEAD/TUNGSTEN1", apbw, zpbw, 15.325, 2, wpbw);
AliMixture(40, "LEAD/TUNGSTEN2", apbw, zpbw, 15.325, 2, wpbw);
AliMixture(60, "LEAD/TUNGSTEN3", apbw, zpbw, 15.325, 2, wpbw);
// Ni-W-Cu
AliMixture(21, "Ni-W-Cu1", aniwcu, zniwcu, 18.78, 3, wniwcu);
AliMixture(41, "Ni-W-Cu2", aniwcu, zniwcu, 18.78, 3, wniwcu);
AliMixture(61, "Ni-W-Cu3", aniwcu, zniwcu, 18.78, 3, wniwcu);
// Concrete
AliMixture(17, "CONCRETE1", aconc, zconc, 2.35, 10, wconc);
AliMixture(37, "CONCRETE2", aconc, zconc, 2.35, 10, wconc);
AliMixture(57, "CONCRETE3", aconc, zconc, 2.35, 10, wconc);
// Insulation powder
AliMixture(14, "INSULATION1", ains, zins, 0.41, 4, wins);
AliMixture(34, "INSULATION2", ains, zins, 0.41, 4, wins);
AliMixture(54, "INSULATION3", ains, zins, 0.41, 4, wins);
// ****************
// Defines tracking media parameters.
// Les valeurs sont commentees pour laisser le defaut
// a GEANT (version 3-21, page CONS200), f.m.
epsil = .001; // Tracking precision,
stemax = -1.; // Maximum displacement for multiple scat
tmaxfd = -20.; // Maximum angle due to field deflection
deemax = -.3; // Maximum fractional energy loss, DLS
stmin = -.8;
// ***************
// Aluminum
AliMedium(9, "ALU_C0 ", 9, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(29, "ALU_C1 ", 29, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(49, "ALU_C2 ", 49, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Iron
AliMedium(10, "FE_C0 ", 10, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(30, "FE_C1 ", 30, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(50, "FE_C2 ", 50, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Copper
AliMedium(11, "Cu_C0 ", 11, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(31, "Cu_C1 ", 31, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(51, "Cu_C2 ", 51, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Tungsten
AliMedium(12, "W_C0 ", 12, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(32, "W_C1 ", 32, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(52, "W_C2 ", 52, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Lead
AliMedium(13, "PB_C0 ", 13, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(33, "PB_C1 ", 33, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(53, "PB_C2 ", 53, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Insulation Powder
AliMedium(14, "INS_C0 ", 14, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(34, "INS_C1 ", 34, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(54, "INS_C2 ", 54, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Air
AliMedium(15, "AIR_C0 ", 15, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(35, "AIR_C1 ", 35, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(55, "AIR_C2 ", 55, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(75, "AIR_MUON ", 75, 0, isxfld2, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Vacuum
AliMedium(16, "VA_C0 ", 16, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(36, "VA_C1 ", 36, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(56, "VA_C2 ", 56, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Steel
AliMedium(19, "ST_C0 ", 19, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(39, "ST_C1 ", 39, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(59, "ST_C3 ", 59, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Lead/Tungsten
AliMedium(20, "PB/W0 ", 20, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(40, "PB/W1 ", 40, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(60, "PB/W3 ", 60, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Ni/Tungsten
AliMedium(21, "Ni/W0 ", 21, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(41, "Ni/W1 ", 41, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(61, "Ni/W3 ", 61, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Concrete
AliMedium(17, "CC_C0 ", 17, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(37, "CC_C1 ", 37, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(57, "CC_C2 ", 57, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
}
//_____________________________________________________________________________
void AliSHIL::DrawModule () const
{
// Drawing options
}
//_____________________________________________________________________________
void AliSHIL::Init()
{
//
// Initialise the muon shield after it has been built
//
Int_t i;
//
if(AliLog::GetGlobalDebugLevel()>0) {
printf("\n%s: ",ClassName());
for(i=0;i<35;i++) printf("*");
printf(" SHIL_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n%s: ",ClassName());
//
// Here the SHIL initialisation code (if any!)
for(i=0;i<80;i++) printf("*");
printf("\n");
}
}