/**************************************************************************
* 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 *
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* about the suitability of this software for any purpose. It is *
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**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Experimental Hall //
// This class contains the description of the experimental hall //
// //
//Begin_Html
/*
The responsible person for this module is
Andreas Morsch.
*/ //End_Html // // // // /////////////////////////////////////////////////////////////////////////////// #include#include #include #include "AliConst.h" #include "AliHALL.h" #include "AliMagF.h" #include "AliRun.h" #include "AliLog.h" ClassImp(AliHALL) //_____________________________________________________________________________ AliHALL::AliHALL() { // // Default constructor for the experimental Hall // } //_____________________________________________________________________________ AliHALL::AliHALL(const char *name, const char *title) : AliModule(name,title) { // // Standard constructor for the experimental Hall // //PH SetMarkerColor(7); //PH SetMarkerStyle(2); //PH SetMarkerSize(0.4); } //_____________________________________________________________________________ void AliHALL::CreateGeometry() { // // Create the geometry of the exprimental hall // //Begin_Html /* */ //End_Html // // If ZDC is not present the experimental hall includes a short // section of the accelerator tunnel // //Begin_Html /* */ //End_Html // // If ZDC is present the experimental hall includes the accelerator // tunnel beyond the ZDC // //Begin_Html /* */ //End_Html Float_t r2; Float_t phid, phim, pbox[3], h, r, tspar[5]; Float_t w1, dh, am, bm, dl,cm, hm, dr, dx, xl; Int_t idrotm[1999]; Float_t trdpar[4], trapar[11], hullen; Float_t phi; Int_t *idtmed = fIdtmed->GetArray()-1899; // RB24/26 TUNNEL FLOOR r = 220.; h = 140.; phi = TMath::ACos(h / r); xl = r * TMath::Sin(phi); dr = 1600.; dh = dr * TMath::Cos(phi); dl = dr * TMath::Sin(phi); if (gAlice->GetModule("ZDC") == 0) { // No ZDC hullen = 370.; } else { // ZDC is present hullen = 6520.; } trdpar[0] = xl + dl; trdpar[1] = xl; trdpar[2] = hullen; trdpar[3] = dh / 2.; AliMatrix(idrotm[1900], 90., 0., 0., 0., 90., 90.); AliMatrix(idrotm[1901], 270., 0., 90., 90., 0., 0.); gMC->Gsvolu("HUFL", "TRD1", idtmed[1956], trdpar, 4); r2 = hullen + 1900.; gMC->Gspos("HUFL", 1, "ALIC", 70.,-100-trdpar[3] , -r2, idrotm[1900], "ONLY"); // RB24/26 wall phid = phi * 57.296; tspar[0] = r; tspar[1] = r + dr; tspar[2] = hullen; tspar[3] = phid - 90.; tspar[4] = 270. - phid; gMC->Gsvolu("HUWA", "TUBS", idtmed[1956], tspar, 5); gMC->Gspos("HUWA", 1, "ALIC", 70., 40., -1900 - hullen , 0, "ONLY"); // Hall floor phid = 16.197; trdpar[0] = 700.; trdpar[1] = TMath::Tan(phid * kDegrad) * 190. + 700.; trdpar[2] = 550.; trdpar[3] = 95.; gMC->Gsvolu("HHF1", "TRD1", idtmed[1956], trdpar, 4); gMC->Gspos("HHF1", 1, "ALIC", 0., -801., 1350., idrotm[1900], "ONLY"); gMC->Gspos("HHF1", 2, "ALIC", 0., -801.,-1350., idrotm[1900], "ONLY"); // Hall side walls trapar[0] = 550.; trapar[1] = 0.; trapar[2] = 0.; trapar[3] = 1273.78/2; trapar[4] = 235.; trapar[5] = 50.; trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg; trapar[7] = trapar[3]; trapar[8] = trapar[4]; trapar[9] = trapar[5]; trapar[10] = trapar[6]; dx = trapar[4] * 1.5 + 700. - trapar[5] * .5; gMC->Gsvolu("HHW1", "TRAP", idtmed[1956], trapar, 11); gMC->Gspos("HHW1", 1, "ALIC", dx, -896+trapar[3], 1350., 0, "ONLY"); gMC->Gspos("HHW1", 2, "ALIC",-dx, -896+trapar[3], 1350., idrotm[1901], "ONLY"); gMC->Gspos("HHW1", 3, "ALIC", dx, -896+trapar[3], -1350., 0, "ONLY"); gMC->Gspos("HHW1", 4, "ALIC",-dx, -896+trapar[3], -1350., idrotm[1901], "ONLY"); pbox[0] = 50.; pbox[1] = (500. - (trapar[3] * 2. - 896.)) / 2.; pbox[2] = 1900.; gMC->Gsvolu("HBW1", "BOX ", idtmed[1956], pbox, 3); gMC->Gspos("HBW1", 1, "ALIC", 1120., 500-pbox[1], 0., 0, "ONLY"); gMC->Gspos("HBW1", 2, "ALIC", -1120., 500-pbox[1], 0., 0, "ONLY"); // slanted wall close to L3 magnet phim = 45.; hm = 790.; //rm = hm / TMath::Cos(phim / 2. * kDegrad); am = hm * TMath::Tan(phim / 2. * kDegrad); bm = (hm + 76.) / hm * am; cm = bm * 2. / TMath::Sqrt(2.); trapar[0] = 800.; trapar[1] = 0.; trapar[2] = 0.; trapar[3] = (1273.78 - cm) / 2.; trapar[4] = 235. - cm * TMath::Tan(phid * kDegrad) / 2.; trapar[5] = 50.; trapar[6] = TMath::ATan((trapar[4] - trapar[5]) / 2. / trapar[3]) * kRaddeg; trapar[7] = trapar[3]; trapar[8] = trapar[4]; trapar[9] = trapar[5]; trapar[10] = trapar[6]; w1 = trapar[4]; dx = cm*TMath::Tan(phid * kDegrad) + 700. + trapar[4] * 1.5 - trapar[5] * .5; gMC->Gsvolu("HHW2", "TRAP", idtmed[1956], trapar, 11); r2 = cm - 896. + trapar[3]; gMC->Gspos("HHW2", 1, "ALIC", dx, r2, 0., 0, "ONLY"); gMC->Gspos("HHW2", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY"); trapar[3] = cm / 2.; trapar[4] = w1 + cm / 2.; trapar[5] = w1; trapar[6] = TMath::ATan(.5) * kRaddeg; trapar[7] = trapar[3]; trapar[8] = trapar[4]; trapar[9] = trapar[5]; trapar[10] = trapar[6]; dx = 1170. - trapar[4] * .5 - trapar[5] * .5; gMC->Gsvolu("HHW3", "TRAP", idtmed[1956], trapar, 11); r2 = trapar[3] - 896.; gMC->Gspos("HHW3", 1, "ALIC", dx, r2, 0., 0, "ONLY"); gMC->Gspos("HHW3", 2, "ALIC",-dx, r2, 0., idrotm[1901], "ONLY"); tspar[0] = 1070.; tspar[1] = 1170.; tspar[2] = 1900.; tspar[3] = 0.; tspar[4] = 180.; gMC->Gsvolu("HHC1", "TUBS", idtmed[1956], tspar, 5); gMC->Gspos("HHC1", 1, "ALIC", 0., 500., 0., 0, "ONLY"); trdpar[0] = 1170 - trapar[4] * 2.; trdpar[1] = trdpar[0] + TMath::Tan(phim * kDegrad) * 76.; trdpar[2] = 800.; trdpar[3] = 38.; gMC->Gsvolu("HHF2", "TRD1", idtmed[1956], trdpar, 4); gMC->Gspos("HHF2", 1, "ALIC", 0., -858., 0., idrotm[1900], "ONLY"); // pillars for working platform pbox[0] = 40.; pbox[1] = 96.; pbox[2] = 550.; gMC->Gsvolu("HPIL", "BOX ", idtmed[1956], pbox, 3); gMC->Gspos("HPIL", 1, "ALIC", 165.,-706+pbox[1] , -1350., 0, "ONLY"); gMC->Gspos("HPIL", 2, "ALIC",-165.,-706+pbox[1] , -1350., 0, "ONLY"); // simple concrete beam shield Float_t ppgon[10]; ppgon[0] = 45.; ppgon[1] = 360.; ppgon[2] = 4.; ppgon[3] = 2.; ppgon[7] = 1800.; ppgon[8] = 150.; ppgon[9] = 250.; ppgon[4] = 720.; ppgon[5] = 150.; ppgon[6] = 250.; gMC->Gsvolu("HMBS", "PGON", idtmed[1956], ppgon, 10); gMC->Gspos("HMBS", 1, "ALIC", 0., 70., 0., 0, "ONLY"); } //_____________________________________________________________________________ void AliHALL::CreateMaterials() { // // Create materials for the experimental hall // Int_t isxfld = 0; Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); 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 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; // 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 epsil, stmin, deemax, tmaxfd, stemax; AliMixture(15, "AIR0$ ", aAir, zAir, dAir, 4, wAir); AliMixture(35, "AIR1$ ", aAir, zAir, dAir, 4, wAir); AliMixture(55, "AIR2$ ", aAir, zAir, dAir, 4, wAir); AliMixture(17, "CONCRETE0$", aconc, zconc, 2.35, 10, wconc); AliMixture(37, "CONCRETE1$", aconc, zconc, 2.35, 10, wconc); AliMixture(57, "CONCRETE2$", aconc, zconc, 2.35, 10, wconc); // Stainless Steel AliMixture(10, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel); AliMixture(30, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel); AliMixture(50, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel); // Iron // AliMaterial(52, "IRON", 55.85, 26., 7.87, 1.76, 17.1); // **************** // 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; // *************** // Stainless Steel AliMedium(10, "STST_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(30, "STST_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(50, "STST_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // Air AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // Concrete AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // Iron AliMedium(52, "FE_C2 ", 52, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); } //_____________________________________________________________________________ void AliHALL::Init() { // // Initialise the HALL after it has been built // Int_t i; // if(AliLog::GetGlobalDebugLevel()>0) { printf("\n%s: ",ClassName()); for(i=0;i<35;i++) printf("*"); printf(" HALL_INIT "); for(i=0;i<35;i++) printf("*"); printf("\n%s: ",ClassName()); // // Here the HALL initialisation code (if any!) for(i=0;i<80;i++) printf("*"); printf("\n"); } }