///////////////////////////////////////////////////////////////////////////////
// //
// Muon ABSOrber //
// This class contains the description of the muon absorber geometry //
// //
//Begin_Html
/*
The responsible person for this module is
Andreas Morsch.
*/
//End_Html
// //
// //
///////////////////////////////////////////////////////////////////////////////
#include "AliABSO.h"
#include "AliRun.h"
#include "AliConst.h"
ClassImp(AliABSO)
//_____________________________________________________________________________
AliABSO::AliABSO()
{
//
// Default constructor
//
}
//_____________________________________________________________________________
AliABSO::AliABSO(const char *name, const char *title)
: AliModule(name,title)
{
//
// Standard constructor
//
SetMarkerColor(7);
SetMarkerStyle(2);
SetMarkerSize(0.4);
}
//_____________________________________________________________________________
void AliABSO::CreateGeometry()
{
//
// Creation of the geometry of the muon absorber
//
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
AliMC* pMC = AliMC::GetMC();
Int_t *idtmed = gAlice->Idtmed();
Float_t d_pb, cpar[5], dpar[12], tpar[3], zpos,
cpar1[5], cpar2[5], cpar3[5], cpar4[5], cpar5[12],
cpar7[5], cpar8[5], cpar9[5], abs_c, abs_d,
abs_l, cpar10[5], r_abs;
Float_t theta1, theta2, abs_cc, d_rear, dz, zr,
z_cone, d_poly, z_nose, theta_open;
Float_t acc_min, acc_max, par[50], d_steel, z_w,
theta_r, epsilon;
//
abs_d = 90.; // DEFINES DRIFT LENGTH
z_nose = 102.;
z_cone = 285.;
theta1 = 24.; // 1. angle defining the front absorber
theta2 = 5.; // 2. angle defining the front absorbe
acc_max = 9.; // ANGLE POLAIRE MAXIMUM
acc_min = 2.; // ANGLE POLAIRE MINIMUM DE DETECTION
abs_l = 503.;
d_steel = 1.; // THICKNESS OF STEEL SUPPORT
d_poly = 7.5;
d_pb = 2.5;
abs_cc = 315.; // DEFINES LENGTH OF CARBON
abs_c = 358.;
//abs_s = 150.; // DEFINES W-SHIELD LENGTH
//abs_n = 80.; // START OF NOSE
r_abs = 4.;
//r_pb = .1;
epsilon = .01;
theta_r = 3.;
d_rear = 35.;
theta_open = .75;
//
//z_l3 = 700.;
//zmag_in = 725.;
//zmag_out = 1225.;
//zfil_in = 1471.;
//zfil_out = 1591.;
//zcon_in = 1900.;
//zcon_out = 2e3;
//zcone_e = 859.0875;
//spec_l = 1800.;
//zplug_in = 1780.;
//zplug_out= 1900.;
//
// Chamber position
// CZ1=515.5
//cz1 = 511.;
//cz2 = 686.;
//cz3 = 971.;
//cz4 = 1245.;
//cz5 = 1445.;
//cz6 = 1610.;
//cz7 = 1710.;
//
// --- Outer shape of front absorber
par[0] = 0.;
par[1] = 360.;
par[2] = 4.;
par[3] = abs_d;
par[4] = 0.;
par[5] = abs_d * TMath::Tan(theta1 * kDegrad);
par[6] = z_nose;
par[7] = 0.;
par[8] = par[6] * TMath::Tan(theta1 * kDegrad);
par[9] = z_cone;
par[10] = 0.;
par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(theta2 * kDegrad);
par[12] = abs_l;
par[13] = 0.;
par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(acc_max * kDegrad);
pMC->Gsvolu("ABSM", "PCON", idtmed[1605], par, 15);
//
// --- Now define all elements of the absorber
//
// TUNGSTEN NOSE SEGMENT BETWEEN Z=90 AND 112 CM
// SHAPED ALONG A 24 DEG LINE
//
cpar1[0] = (z_nose - abs_d) / 2.;
cpar1[1] = abs_d * TMath::Tan(acc_max * kDegrad) + d_steel;
cpar1[2] = abs_d * TMath::Tan(theta1 * kDegrad);
cpar1[3] = z_nose * TMath::Tan(acc_max * kDegrad) + d_steel;
cpar1[4] = z_nose * TMath::Tan(theta1 * kDegrad);
pMC->Gsvolu("ANOS", "CONE", idtmed[1611], cpar1, 5);
//
dz = cpar1[0] + abs_d;
pMC->Gspos("ANOS", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// IRON SUPPORT STRUCTURE
//
cpar2[0] = (abs_l - abs_d) / 2.;
cpar2[1] = abs_d * TMath::Tan(acc_max * kDegrad);
cpar2[2] = cpar2[1] + d_steel;
cpar2[3] = abs_l * TMath::Tan(acc_max * kDegrad);
cpar2[4] = cpar2[3] + d_steel;
pMC->Gsvolu("ASST", "CONE", idtmed[1658], cpar2, 5);
dz = cpar2[0] + abs_d;
pMC->Gspos("ASST", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// PB FRONT SHIELD INNER SEGMENT, ALSO POLYETHYLENE WAS
// CONSIDERED FOR THIS REGION
//
cpar3[0] = (z_cone - z_nose) / 2.;
cpar3[1] = cpar1[3];
cpar3[2] = cpar1[3] + d_poly;
cpar3[3] = z_cone * TMath::Tan(acc_max * kDegrad) + d_steel;
cpar3[4] = cpar3[3] + d_poly;
pMC->Gsvolu("AWFS", "CONE", idtmed[1652], cpar3, 5);
dz = cpar3[0] + z_nose;
pMC->Gspos("AWFS", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// PB OUTER SURFACE
//
cpar5[0] = 0.;
cpar5[1] = 360.;
cpar5[2] = 3.;
cpar5[3] = z_nose;
cpar5[4] = z_nose * TMath::Tan(acc_max * kDegrad) + d_steel + d_poly;
cpar5[5] = z_nose * TMath::Tan(theta1 * kDegrad);
cpar5[6] = z_cone;
cpar5[7] = z_cone * TMath::Tan(acc_max * kDegrad) + d_steel + d_poly;
cpar5[8] = cpar5[7] + d_pb;
cpar5[9] = abs_l;
cpar5[10] = abs_l * TMath::Tan(acc_max * kDegrad) + d_steel + d_poly;
cpar5[11] = cpar5[10] + d_pb;
pMC->Gsvolu("APBS", "PCON", idtmed[1612], cpar5, 12);
dz = 0.;
pMC->Gspos("APBS", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// POLYETHYLEN LAYER
//
cpar4[0] = (abs_l - z_cone) / 2.;
cpar4[1] = z_cone * TMath::Tan(acc_max * kDegrad) + d_steel;
cpar4[2] = cpar4[1] + d_poly;
cpar4[3] = abs_l * TMath::Tan(acc_max * kDegrad) + d_steel;
cpar4[4] = cpar4[3] + d_poly;
pMC->Gsvolu("APOL", "CONE", idtmed[1657], cpar4, 5);
dz = cpar4[0] + z_cone;
pMC->Gspos("APOL", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// LEAD INNER SHIELD (inner radius const up to z=abs_c)
//
z_w = r_abs / TMath::Tan(acc_min * kDegrad);
cpar8[0] = (abs_c - z_w) / 2.;
cpar8[1] = r_abs;
cpar8[2] = r_abs + epsilon;
cpar8[3] = r_abs;
cpar8[4] = abs_c * TMath::Tan(acc_min * kDegrad);
pMC->Gsvolu("AWI1", "CONE", idtmed[1652], cpar8, 5);
dz = cpar8[0] + z_w;
pMC->Gspos("AWI1", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// TUNGSTEN OPENING CONE UP TO THE END
//
cpar8[0] = (abs_l - abs_c) / 2.;
cpar8[1] = r_abs;
cpar8[2] = abs_c * TMath::Tan(acc_min * kDegrad);
cpar8[3] = cpar8[1] + cpar8[0] * 2. * TMath::Tan(theta_open * kDegrad);
cpar8[4] = abs_l * TMath::Tan(acc_min * kDegrad);
pMC->Gsvolu("AWI2", "CONE", idtmed[1651], cpar8, 5);
dz = cpar8[0] + abs_c;
pMC->Gspos("AWI2", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// CONCRETE CONE
//
cpar7[0] = (abs_l - d_rear - abs_cc) / 2.;
cpar7[1] = abs_cc * TMath::Tan(acc_min * kDegrad);
cpar7[2] = abs_cc * TMath::Tan(acc_max * kDegrad);
cpar7[3] = (abs_l - d_rear) * TMath::Tan(acc_min * kDegrad);
cpar7[4] = (abs_l - d_rear) * TMath::Tan(acc_max * kDegrad);
pMC->Gsvolu("ACON", "CONE", idtmed[1656], cpar7, 5);
dz = cpar7[0] + abs_cc;
pMC->Gspos("ACON", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// REAR SHIELD
//
zr = abs_l - d_rear;
cpar9[0] = 2.5;
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE1", "CONE", idtmed[1652], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE1", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE2", "CONE", idtmed[1657], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE2", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE3", "CONE", idtmed[1652], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE3", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE4", "CONE", idtmed[1657], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE4", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE5", "CONE", idtmed[1652], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE5", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE6", "CONE", idtmed[1657], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE6", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
cpar9[1] = zr * TMath::Tan(theta_r * kDegrad);
cpar9[2] = zr * TMath::Tan(acc_max * kDegrad);
cpar9[3] = cpar9[1] + TMath::Tan(theta_r * kDegrad) * 5.;
cpar9[4] = cpar9[2] + TMath::Tan(acc_max * kDegrad) * 5.;
pMC->Gsvolu("ARE7", "CONE", idtmed[1612], cpar9, 5);
dz = cpar9[0] + zr;
zr += 5.;
pMC->Gspos("ARE7", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// TUNGSTEN REAR SHIELD INNER PART
//
zr = abs_l - d_rear;
cpar10[0] = d_rear / 2.;
cpar10[1] = zr * TMath::Tan(acc_min * kDegrad);
cpar10[2] = zr * TMath::Tan(theta_r * kDegrad);
cpar10[3] = cpar10[1] + d_rear * TMath::Tan(acc_min * kDegrad);
cpar10[4] = cpar10[2] + d_rear * TMath::Tan(theta_r * kDegrad);
pMC->Gsvolu("ARIN", "CONE", idtmed[1611], cpar10, 5);
dz = cpar10[0] + zr;
pMC->Gspos("ARIN", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// ELEMENTS OF THE BEAM PIPE TO BE POSITIONED INTO THE ABSORBER
//
// MOTHER VOLUME 1. SEGMENT
//
tpar[0] = 0.;
tpar[1] = r_abs;
tpar[2] = (abs_c - abs_d) / 2.;
pMC->Gsvolu("AATU", "TUBE", idtmed[1655], tpar, 3);
//
tpar[1] = r_abs - .8;
tpar[0] = tpar[1] - .2;
tpar[2] = (abs_c - abs_d) / 2.;
pMC->Gsvolu("ATUB", "TUBE", idtmed[1649], tpar, 3);
dz = 0.;
pMC->Gspos("ATUB", 1, "AATU", 0., 0., dz, 0, "ONLY");
//
dz = (abs_c - abs_d) / 2. + abs_d;
pMC->Gspos("AATU", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
// MOTHER VOLUME 2. SEGMENT
//
cpar[0] = (abs_l - abs_c) / 2.;
cpar[1] = 0.;
cpar[2] = r_abs;
cpar[3] = 0.;
cpar[4] = cpar[2] + cpar[0] * 2. * TMath::Tan(theta_open * kDegrad);
pMC->Gsvolu("AAT1", "CONE", idtmed[1655], cpar, 5);
//
cpar[0] = (abs_l - abs_c) / 2.;
cpar[2] += -.8;
cpar[1] = cpar[2] - .2;
cpar[4] += -.8;
cpar[3] = cpar[4] - .2;
pMC->Gsvolu("ATU1", "CONE", idtmed[1649], cpar, 5);
dz = 0.;
pMC->Gspos("ATU1", 1, "AAT1", 0., 0., dz, 0, "ONLY");
//
dz = (abs_l - abs_c) / 2. + abs_c;
pMC->Gspos("AAT1", 1, "ABSM", 0., 0., dz, 0, "ONLY");
//
pMC->Gspos("ABSM", 1, "ALIC", 0., 0., 0., 0, "ONLY");
//
// absorber support structure
//
// attention this element is positioned into ALIC
//
dpar[0] = 0.;
dpar[1] = 360.;
dpar[2] = 3.;
dpar[3] = abs_l;
dpar[4] = abs_l * TMath::Tan(acc_max * kDegrad);
dpar[5] = dpar[4] + 4. / TMath::Cos(acc_max * kDegrad);
dpar[6] = 600.;
dpar[7] = TMath::Tan(acc_max * kDegrad) * 600;
dpar[8] = dpar[7] + 4. / TMath::Cos(acc_max * kDegrad);
dpar[9] = 670.;
dpar[10] = 159.;
dpar[11] = 163.5;
pMC->Gsvolu("ASUP", "PCON", idtmed[1618], dpar, 12);
dz = 0.;
pMC->Gspos("ASUP", 1, "ALIC", 0., 0., dz, 0, "ONLY");
//
// Flange at the entrance of the absorber
//
tpar[0] = 3.;
tpar[1] = 5.7;
tpar[2] = 2.;
pMC->Gsvolu("AF63", "TUBE", idtmed[1618], tpar, 3);
zpos = abs_d + tpar[2];
pMC->Gspos("AF63", 1, "ABSM", 0., 0., zpos, 0, "ONLY");
}
//_____________________________________________________________________________
void AliABSO::DrawModule()
{
//
// Draw a shaded view of the muon absorber
//
AliMC* pMC = AliMC::GetMC();
// Set everything unseen
pMC->Gsatt("*", "seen", -1);
//
// Set ALIC mother transparent
pMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
pMC->Gsatt("ABSM","seen",1);
pMC->Gsatt("ANOS","seen",1);
pMC->Gsatt("ASST","seen",1);
pMC->Gsatt("AWFS","seen",1);
pMC->Gsatt("APBS","seen",1);
pMC->Gsatt("APOL","seen",1);
pMC->Gsatt("AWI1","seen",1);
pMC->Gsatt("AWI2","seen",1);
pMC->Gsatt("ACON","seen",1);
pMC->Gsatt("ARE1","seen",1);
pMC->Gsatt("ARE2","seen",1);
pMC->Gsatt("ARE3","seen",1);
pMC->Gsatt("ARE4","seen",1);
pMC->Gsatt("ARE5","seen",1);
pMC->Gsatt("ARE6","seen",1);
pMC->Gsatt("ARE7","seen",1);
pMC->Gsatt("ARIN","seen",1);
pMC->Gsatt("AATU","seen",1);
pMC->Gsatt("ATUB","seen",1);
pMC->Gsatt("AAT1","seen",1);
pMC->Gsatt("ATU1","seen",1);
pMC->Gsatt("ASUP","seen",1);
pMC->Gsatt("AF63","seen",1);
//
pMC->Gdopt("hide", "on");
pMC->Gdopt("shad", "on");
pMC->Gsatt("*", "fill", 7);
pMC->SetClipBox(".");
pMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
pMC->DefaultRange();
pMC->Gdraw("alic", 40, 30, 0, 21.5, 15, .04, .04);
pMC->Gdhead(1111, "Muon Absorber");
pMC->Gdman(16, 6, "MAN");
pMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliABSO::CreateMaterials()
{
//
// Define materials for muon absorber
//
Int_t ISXFLD = gAlice->Field()->Integ();
Float_t SXMGMX = gAlice->Field()->Max();
Float_t apoly[2] = { 12.01,1. };
Float_t zpoly[2] = { 6.,1. };
Float_t wpoly[2] = { .33,.67 };
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 };
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 epsil, stmin, tmaxfd, deemax, stemax;
//
// Carbon
AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
AliMaterial(26, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
AliMaterial(46, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
//
// Aluminum
AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
//
// Iron
AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1);
//
// Tungsten
AliMaterial(12, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3);
AliMaterial(32, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3);
AliMaterial(52, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3);
//
// Lead
AliMaterial(13, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5);
AliMaterial(33, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5);
AliMaterial(53, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5);
//
// Air
AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
//
// Vacuum
AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial(36, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
AliMaterial(56, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
//
// Concrete
AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
//
// Poly CH2
AliMixture(18, "POLYETHYLEN$", apoly, zpoly, .95, -2, wpoly);
//
// After a call with ratios by number (negative number of elements),
// the ratio array is changed to the ratio by weight, so all successive
// calls with the same array must specify the number of elements as
// positive
//
AliMixture(38, "POLYETHYLEN$", apoly, zpoly, .95, 2, wpoly);
AliMixture(58, "POLYETHYLEN$", apoly, zpoly, .95, 2, wpoly);
//
// stainless Steel
AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
AliMixture(39, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
AliMixture(59, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
//
// ****************
// Defines tracking media parameters.
//
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;
// ***************
//
// Carbon
AliMedium(1606, "C_C0 ", 6, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1626, "C_C1 ", 26, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1646, "C_C2 ", 46, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Aluminum
AliMedium(1609, "ALU_C0 ", 9, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1629, "ALU_C1 ", 29, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1649, "ALU_C2 ", 49, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Iron
AliMedium(1610, "FE_C0 ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1630, "FE_C1 ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1650, "FE_C2 ", 50, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Tungsten
AliMedium(1612, "W_C0 ", 12, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1632, "W_C1 ", 32, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1652, "W_C2 ", 52, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Lead
AliMedium(1613, "PB_C0 ", 13, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1633, "PB_C1 ", 33, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1653, "PB_C2 ", 53, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Air
AliMedium(1615, "AIR_C0 ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1635, "AIR_C1 ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1655, "AIR_C2 ", 55, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Vacuum
AliMedium(1616, "VA_C0 ", 16, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1636, "VA_C1 ", 36, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1656, "VA_C2 ", 56, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Concrete
AliMedium(1617, "CC_C0 ", 17, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1637, "CC_C1 ", 37, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1657, "CC_C2 ", 57, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Polyethilene
AliMedium(1618, "CH2_C0 B ", 18, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1638, "CH2_C1 ", 38, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1658, "CH2_C2 ", 58, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
//
// Steel
AliMedium(1619, "ST_C0 ", 19, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1639, "ST_C1 ", 39, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(1659, "ST_C3 ", 59, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
}
//_____________________________________________________________________________
void AliABSO::Init()
{
//
// Initialisation of the muon absorber after it has been built
Int_t i;
//
printf("\n");
for(i=0;i<35;i++) printf("*");
printf(" ABSO_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n");
//
for(i=0;i<80;i++) printf("*");
printf("\n");
}