/**************************************************************************
* 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
#include "AliConst.h"
#include "AliRun.h"
#include "AliSHILv0.h"
#include "AliLog.h"
ClassImp(AliSHILv0)
//_____________________________________________________________________________
AliSHILv0::AliSHILv0():
fPbCone(1)
{
//
// Default constructor for muon shield
//
}
//_____________________________________________________________________________
AliSHILv0::AliSHILv0(const char *name, const char *title)
: AliSHIL(name,title),
fPbCone(1)
{
//
// Standard constructor for muon shield
//
// Pb cone not yet compatible with muon chamber inner radii
// Switched off by default
}
//_____________________________________________________________________________
void AliSHILv0::CreateGeometry()
{
//
// Build muon shield geometry
//
//
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[36], par3[27],
par4[24], par0[87];
Float_t dz, dZ;
Int_t *idtmed = fIdtmed->GetArray()-1699;
#include "ABSOSHILConst.h"
#include "SHILConst.h"
enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
kPolyCH2=1717, kSteel=1709, kInsulation=1713};
//
// Material of the rear part of the shield
Int_t iHeavy=kNiCuW;
if (fPbCone) iHeavy=kPb;
//
// Mother volume
//
Float_t dRear1=kDRear;
Float_t zstart=kZRear-dRear1;
par0[0] = 0.;
par0[1] = 360.;
par0[2] = 28.;
Float_t dl=(kZvac12-zstart)/2.;
dz=zstart+dl;
//
// start
par0[3] = -dl;
par0[4] = 0.;
par0[5] = zstart * TMath::Tan(kAccMin);
// recess station 1
par0[6] = -dz+kZch11;
par0[7] = 0.;
par0[8] = kZch11 * TMath::Tan(kAccMin);
par0[9] = par0[6];
par0[10] = 0.;
par0[11] = 17.9;
par0[12] = -dz+kZch12;
par0[13] = 0.;
par0[14] = 17.9;
par0[15] = par0[12];
par0[16] = 0.;
par0[17] = kZch12 * TMath::Tan(kAccMin);
// recess station 2
par0[18] = -dz+kZch21;
par0[19] = 0.;
par0[20] = kZch21 * TMath::Tan(kAccMin);
par0[21] = -dz+kZch21;
par0[22] = 0.;
par0[23] = 23.;
par0[24] = -dz+kZch22;
par0[25] = 0.;
par0[26] = 23.;
par0[27] = -dz+kZch22;
par0[28] = 0.;
par0[29] = kZch22 * TMath::Tan(kAccMin);
//
par0[30] = -dz+kZvac6;
par0[31] = 0.;
par0[32] = kZvac6 * TMath::Tan(kAccMin);
// end of 2 deg cone
par0[33] = -dz+kZConeE;
par0[34] = 0.;
par0[35] = 30.;
par0[36] = -dz+kZch31;
par0[37] = 0.;
par0[38] = 30.;
par0[39] = -dz+kZch31;
par0[40] = 0.;
par0[41] = 29.;
par0[42] = -dz+kZch32;
par0[43] = 0.;
par0[44] = 29.;
// start of 1.6 deg cone
par0[45] = -dz+kZch32;
par0[46] = 0.;
par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
// recess station 4
par0[48] = -dz+kZch41;
par0[49] = 0.;
par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
par0[51] = -dz+kZch41;
par0[52] = 0.;
par0[53] = 37.5;
par0[54] = -dz+kZch42;
par0[55] = 0.;
par0[56] = 37.5;
par0[57] = -dz+kZch42;
par0[58] = 0.;
par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
// recess station 5
par0[60] = -dz+kZch51;
par0[61] = 0.;
par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
par0[63] = -dz+kZch51;
par0[64] = 0.;
par0[65] = 37.5;
par0[66] = -dz+kZch52;
par0[67] = 0.;
par0[68] = 37.5;
par0[69] = -dz+kZch52;
par0[70] = 0.;
par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
// end of cone
par0[72] = -dz+kZvac10;
par0[73] = 0.;
par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
par0[75] = -dz+kZvac10;
par0[76] = 0.;
par0[77] = kR42;
par0[78] = -dz+kZvac11;
par0[79] = 0.;
par0[80] = kR42;
par0[81] = -dz+kZvac11;
par0[82] = 0.;
par0[83] = kR43;
par0[84] = -dz+kZvac12;
par0[85] = 0.;
par0[86] = kR43;
gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
dz=zstart+dl;
gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
gMC->Gsbool("YMOT","L3DO");
gMC->Gsbool("YMOT","L3O1");
gMC->Gsbool("YMOT","L3O2");
//
dZ=-dl;
//
// First section: bellows below and behind front absorber
//
//
par1[0] = 0.;
par1[1] = 360.;
par1[2] = 12.;
dl=(kZvac4-zstart)/2.;
par1[3] = -dl;
par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
par1[5] = zstart * TMath::Tan(kAccMin);
par1[6] = -dl+kZvac1-zstart;
par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
par1[8] = kZvac1 * TMath::Tan(kAccMin);
par1[9] = par1[6]+kDr11/2.;
par1[10] = par1[7]+kDr11;
par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
par1[12] = -dl+dRear1;
par1[13] = par1[10];
par1[14] = kZRear * TMath::Tan(kAccMin);
par1[15] = -dl+dRear1;
par1[16] = par1[10];
par1[17] = kR11;
par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
par1[19] = par1[16];
par1[20] = kR11;
par1[21] = par1[18]+kDr12;
par1[22] = par1[19]+kDr12;
par1[23] = kR11;
par1[24] = par1[21]+kDF1;
par1[25] = par1[22];
par1[26] = kR11;
par1[27] = par1[24]+kDr12;
par1[28] = par1[25]-kDr12;
par1[29] = kR11;
par1[30] = par1[27]+kDB1;
par1[31] = par1[28];
par1[32] = kR11;
par1[33] = par1[30]+kDr13;
par1[34] = par1[31]-kDr13;
par1[35] = kR11;
par1[36] = -dl+kZvac4-zstart;
par1[37] = par1[34];
par1[38] = kR11;
Float_t r2 = par1[37];
Float_t rBox= par1[31]-0.1;
gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
Int_t i;
for (i=0; i<39; i++) pars1[i] = par1[i];
for (i=4; i<38; i+=3) pars1[i] = 0.;
gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
dZ+=dl;
gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
dZ+=dl;
//
// Steel envelope
tpar[0]=kR11-kDRSteel2;
tpar[1]=kR11;
tpar[2]=(kZvac4-kZvac3)/2.;
gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
dz=dl-tpar[2];
gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
//
// 1st section: vacuum system
//
//
// Bellow 1
//
//
// Bellow 1
//
tpar[0]=kRB1;
tpar[1]=kRB1+kHB1;
tpar[2]=kEB1/2.;
gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
Float_t dl1=tpar[2];
tpar[0]=kRB1+kHB1-kEB1;
tpar[1]=kRB1+kHB1;
tpar[2]=(kLB1/2.-2.*kEB1)/2.;
gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
Float_t dl2=tpar[2];
tpar[0]=kRB1-kEB1;
tpar[1]=kRB1;
tpar[2]=kLB1/8.;
gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
Float_t dl3=tpar[2];
tpar[0]=0;
tpar[1]=kRB1+kHB1;
tpar[2]=-kLB1/2.;
gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
dz=-kLB1/2.+dl3;
gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
dz+=dl3;
dz+=dl1;
gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
dz+=dl1;
dz+=dl2;
gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
dz+=dl2;
dz+=dl1;
gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
dz+=dl1;
dz+=dl3;
gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
tpar[0]=0;
tpar[1]=kRB1+kHB1+0.5;
tpar[2]=12.*kLB1/2.;
gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
Float_t bsize = tpar[2];
tpar[0]=kRB1+kHB1;
tpar[2]=-kLB1/2.;
gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
//
// Flange
tpar[0]=0;
tpar[1]=kRF1+0.6;
tpar[2]=kDF1/2.;
gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
// Steel
tpar[0]=kRB1;
tpar[1]=kRF1+0.6;
tpar[2]=kDF1/2.;
gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
// Insulation
tpar[0]=kRF1;
tpar[1]=kRF1+0.5;
tpar[2]=kDF1/2.;
gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
//
// pipe between flange and bellows
//
// Steel
tpar[0]=kRB1-dTubeS;
tpar[1]=kRB1+0.6;
tpar[2]=1.5;
gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
// Insulation
tpar[0]=kRB1;
tpar[1]=kRB1+0.5;
gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
dz=dz-1.5-kDF1/2.;
gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
dz=dz+3.0+kDF1;
gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
//
// Pipe+Heating 1.5 mm
// Heating Jacket 5.0 mm
// Protection 1.0 mm
// ========================
// 7.5 mm
// pipe and heating jackets outside bellows
//
// left side
cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
//
// insulation
dTubeS=0.15;
cpar[0]=cpar0[0];
cpar[1]=cpar0[1]+0.15;
cpar[2]=cpar0[1]+0.65;
cpar[3]=cpar0[3]+0.15;
cpar[4]=cpar0[3]+0.65;
gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
dz=-dl+cpar0[0];
gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
// right side
dTubeS = 0.35;
dVacuS += 0.25;
cpar0[0] = (kZvac4-kZvac3)/2;
cpar0[1] = kRB1;
cpar0[2] = cpar0[1]+dVacuS;
cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
Float_t r2V=cpar0[3];
//
// insulation
cpar[0] = cpar0[0];
cpar[1] = cpar0[1]+dTubeS;
cpar[2] = cpar0[1]+dTubeS+kDInsuS;
cpar[3] = cpar0[3]+dTubeS;
cpar[4] = cpar0[3]+dTubeS+kDInsuS;
gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
dz=dl-cpar0[0];
gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
//
// Second Section
// Between first and second bellow section
//
par2[0] = 0.;
par2[1] = 360.;
par2[2] = 11.;
dl=(kZvac7-kZvac4)/2.;
// recess station 2
par2[3] = -dl;
par2[4] = r2;
par2[5] = kR21;
par2[6] = -dl+.1;
par2[7] = r2;
par2[8] = kR21;
par2[9] = -dl+(kZvac6-kZvac4);
par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[11] = kR21;
par2[12] = -dl+(kZvac6-kZvac4);
par2[13] = par2[10];
par2[14] = kZvac6*TMath::Tan(kAccMin);
// Start of Pb section
par2[15] = -dl+(kZPb-kZvac4);
par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[17] = kZPb*TMath::Tan(kAccMin);
//
// end of cone following 2 deg line
par2[18] = -dl+(kZConeE-kZvac4);
par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[20] = 30.;
// recess station 3
par2[21] = -dl+(kZch31-kZvac4);
par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[23] = 30.;
par2[24] = -dl+(kZch31-kZvac4);
par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[26] = 29.;
par2[27] = -dl+(kZch32-kZvac4);
par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[29] = 29.;
par2[30] = -dl+(kZch32-kZvac4);
par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[32] = 30.;
par2[33] = -dl+(kZvac7-kZvac4);
par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
par2[35] = 30.;
gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
//
// Lead cone
//
Float_t parPb[12];
parPb[0] = 0.;
parPb[1] = 360.;
parPb[2] = 3.;
Float_t dlPb=(kZvac7-kZPb)/2.;
parPb[3] = -dlPb;
parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
parPb[6] = -dlPb+(kZConeE-kZPb);
parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
parPb[8] = 26.;
parPb[9] = dlPb;
parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
parPb[11] = 26.;
gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
//
// W cone
//
Float_t parW[15];
parW[0] = 0.;
parW[1] = 360.;
parW[2] = 4.;
Float_t dlW=(kZPb-kZvac4)/2.;
parW[3] = -dlW;
parW[4] = r2;
parW[5] = kR21-kDRSteel2;
parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
parW[8] = kR21-kDRSteel2;
parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
parW[12] = dlW;
parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
for (i=4; i<35; i+=3) par2[i] = 0;
gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
dZ+=dl;
gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
dZ+=dl;
//
//
// 2nd section: vacuum system
//
cpar0[0]=(kZvac7-kZvac4)/2;
cpar0[1]=r2V;
cpar0[2]=r2V+dVacuS;
cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
//
// insulation
cpar[0]=cpar0[0];
cpar[1]=cpar0[1]+dTubeS;
cpar[2]=cpar0[1]+dTubeS+kDInsuS;
cpar[3]=cpar0[3]+dTubeS;
cpar[4]=cpar0[3]+dTubeS+kDInsuS;
gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
//
// Third Section: Bellows and Flange
//
par3[0] = 0.;
par3[1] = 360.;
par3[2] = 8.;
dl=(kZvac9-kZvac7)/2.;
par3[3] = -dl;
par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
par3[5] = 30.;
par3[6] = -dl+kDr21;
par3[7] = par3[4]+kDr21;
par3[8] = 30.;
par3[9] = par3[6]+kDB2;
par3[10] = par3[7];
par3[11] = 30.;
par3[12] = par3[9]+kDr22;
par3[13] = par3[10]+kDr22;
par3[14] = 30.;
par3[15] = par3[12]+kDF2;
par3[16] = par3[13];
par3[17] = 30.;
par3[18] = par3[15]+kDr22;
par3[19] = par3[16]-kDr22;
par3[20] = 30.;
par3[21] = par3[18]+kDB2;
par3[22] = par3[19];
par3[23] = 30.;
par3[24] = par3[21]+kDr23;
par3[25] = par3[22];
par3[26] = 30.;
//
rBox=par3[22]-0.1;
Float_t r3=par3[25];
gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
for (i=4; i<26; i+=3) par3[i] = 0;
gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
//
// Steel envelope
tpar[0]=26;
tpar[1]=30;
tpar[2]=dl;
gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
dZ+=dl;
gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
dZ+=dl;
//
// 3rd section: vacuum system
//
//
// Bellow2
//
tpar[0]=kRB2;
tpar[1]=kRB2+kHB2;
tpar[2]=kEB2/2.;
gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
dl1=tpar[2];
tpar[0]=kRB2+kHB2-kEB2;
tpar[1]=kRB2+kHB2;
tpar[2]=(kLB2/2.-2.*kEB2)/2.;
gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
dl2=tpar[2];
tpar[0]=kRB2-kEB2;
tpar[1]=kRB2;
tpar[2]=kLB2/8.;
gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
dl3=tpar[2];
tpar[0]=0;
tpar[1]=kRB2+kHB2;
tpar[2]=kLB2/2.;
gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
dz=-tpar[2]+dl3;
gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
dz+=dl3;
dz+=dl1;
gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
dz+=dl1;
dz+=dl2;
gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
dz+=dl2;
dz+=dl1;
gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
dz+=dl1;
dz+=dl3;
gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
tpar[0]=0;
tpar[1]=kRB2+kHB2;
tpar[2]=7.*kLB2/2.;
gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
dz=-tpar[2]+kLB2/2.;
for (i=0; i<7; i++) {
gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
dz+=kLB2;
}
dz=-dl+kDr21+tpar[2];
gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
dz=dl-kDr23-tpar[2];
gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
//
// Flange
tpar[0]=0;
tpar[1]=kRF2;
tpar[2]=kDF2/2.;
gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
tpar[0]=kRF2-2.;
tpar[1]=kRF2;
tpar[2]=kDF2/2.;
gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
tpar[0]=kRB2;
tpar[1]=kRF2-2.;
tpar[2]=kDFlange/2.;
gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
dz=-kDF2/2.+tpar[2];
gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
dz= kDF2/2.-tpar[2];
gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
dz=kDr21/2.-kDr23/2.;
gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
//
// pipe between flange and bellows
tpar[0]=kRB2-dTubeS;
tpar[1]=kRB2;
tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
Float_t dHorZ=20.;
//
// 4th section: rear shield and closing cone
//
par4[0] = 0.;
par4[1] = 360.;
par4[2] = 7.;
dl=(kZvac12-kZvac9)/2.;
par4[3] = -dl;
par4[4] = r3;
par4[5] = 30.;
par4[6] = -dl+dHorZ;
par4[7] = r3;
par4[8] = 30.;
par4[9] = -dl+(kZvac10-kZvac9);
par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
par4[11] = 30.;
par4[12] = par4[9];
par4[13] = par4[10];
par4[14] = kR42;
par4[15] = -dl+(kZvac11-kZvac9);
par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
par4[17] = kR42;
par4[18] = par4[15];
par4[19] = par4[16];
par4[20] = kR43;
par4[21] = -dl+(kZvac12-kZvac9);
par4[22] = kRVacu+dVacuS;
par4[23] = kR43;
gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
// parPb[0] = (kZvac12-kZvac10)/2.;
// parPb[1] = parPb[3];
// parPb[2] = 31.;
// parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
// parPb[4] = 31.;
// gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
// gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
for (i=4; i<23; i+=3) par4[i] = 0;
gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
dZ+=dl;
gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
dZ+=dl;
//
// Closing concrete cone
//
cpar[0]=(kZvac12-kZvac11)/2.;
cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
cpar[2] = cpar[1]+0.001;
cpar[3] = kRVacu+dVacuS;
cpar[4] = cpar[2];
gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
dz=dl-cpar[0];
gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
//
// Steel envelope
//
dz=-dl;
tpar[0]=26.;
tpar[1]=30.;
tpar[2]=(kZvac10-kZvac9)/2.;
gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
dz+=tpar[2];
gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
dz+=tpar[2];
tpar[0]=kR41-kDRSteel2;
tpar[1]=kR41;
tpar[2]=(kZvac11-kZvac10)/2.;
gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
dz+=tpar[2];
gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
//
// rear lead shield
//
tpar[0]=kR41;
tpar[1]=kR42;
tpar[2]=(kZvac11-kZvac10)/2.;
gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
dz-=0;
gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
tpar[0]=kR42-5;
tpar[1]=kR42;
tpar[2]=(kZvac11-kZvac10)/2.;
gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
//
// rear Fe shield
//
tpar[0]=31.;
tpar[1]=kR43;
tpar[2]=(kZvac12-kZvac11)/2.;
gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
dz=dl-tpar[2];
gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
tpar[0]=31.;
tpar[1]=kR43;
tpar[2]=2.5;
gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
dz=-(kZvac12-kZvac11)/2.+tpar[2];
gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
//
// Magnet element
//
tpar[0]= 0.;
tpar[1]=40.;
tpar[2]=85.;
gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
tpar[0]=17.6/2.;
tpar[1]=40.;
tpar[2]=85.;
gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
//
dz=1921.6 + tpar[2];
gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
//
//
// 4th section: vacuum system
//
// up to closing cone
Float_t r3V=r3-kDr23+dVacuS-1.6;
cpar0[0]=(kZvac11-kZvac9)/2;
cpar0[1]=r3V-dVacuS;
cpar0[2]=r3V;
cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
//
// insulation
cpar[0]=cpar0[0];
cpar[1]=cpar0[1]+dTubeS;
cpar[2]=cpar0[1]+dTubeS+kDInsuS;
cpar[3]=cpar0[3]+dTubeS;
cpar[4]=cpar0[3]+dTubeS+kDInsuS;
gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
dz=-dl+cpar[0];
gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
//
// closing cone
cpar0[0]=(kZvac12-kZvac11)/2;
cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
cpar0[3]=kRVacu;
cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
//
// insulation
cpar[0]=cpar0[0];
cpar[1]=cpar0[1]+dTubeS;
cpar[2]=cpar0[1]+dTubeS+kDInsuS;
cpar[3]=cpar0[3]+dTubeS;
cpar[4]=cpar0[3]+dTubeS+kDInsuS;
gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
//
// clearance
// cpar[1]=cpar0[2]-kDProtS-kDFreeS;
// cpar[2]=cpar0[2]-kDProtS;
// cpar[3]=cpar0[4]-kDProtS-kDFreeS;
// cpar[4]=cpar0[4]-kDProtS;
// gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
// gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
dz=dl-cpar[0];
gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
//
//
// MUON trigger wall
//
tpar[0] = 50.;
tpar[1] = 310.;
tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
dz = (kZFilterIn + kZFilterOut) / 2.;
tpar[2] -= 10.;
gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
//
// Shielding close to chamber
//
//
cpar[0]=(kZch11-kZRear)/2.;
cpar[1]=kR11;
cpar[2]=kZRear*TMath::Tan(kAccMin);
cpar[3]=kR11;
cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
cpar[0]=(kZvac4-kZch12)/2.;
cpar[1]=kR11;
cpar[2]=kZch12*TMath::Tan(kAccMin);
cpar[3]=kR11;
cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
// Recess station 1
cpar[0]=(kZch12-kZch11)/2.;
cpar[1]=kR11;
cpar[2]=18.;
cpar[3]=kR11;
cpar[4]=17.9;
gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
Float_t ptubs[5];
ptubs[0] = kR11;
ptubs[1] = 17.9;
ptubs[2] = 0.;
// phi_min, phi_max
ptubs[3] = 0.;
ptubs[4] = 90.;
gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
Int_t idrotm[1799];
AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
// Int_t ipos;
dz=-cpar[0];
// 1.
ptubs[2]=6.5/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 2.
ptubs[2]=5.0/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 3.
ptubs[2]=5.0/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 4.
ptubs[2]=6.5/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
cpar[0]=(kZch21-kZvac4)/2.;
cpar[1]=kR21;
cpar[2]=kZvac4*TMath::Tan(kAccMin);
cpar[3]=kR21;
cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
cpar[0]=(kZvac6-kZch22)/2.;
cpar[1]=kR21;
cpar[2]=kZch22*TMath::Tan(kAccMin);
cpar[3]=kR21;
cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
// Recess station 2
cpar[0]=(kZch22-kZch21)/2.;
cpar[1]=kR21;
cpar[2]=23.;
cpar[3]=kR21;
cpar[4]=23.;
gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
ptubs[0] = kR21;
ptubs[1] = 23;
ptubs[2] = 0.;
ptubs[3] = 0.;
ptubs[4] = 90.;
gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
dz=-cpar[0];
// 1.
ptubs[2]=7.5/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 2.
ptubs[2]=6.0/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 3.
ptubs[2]=6.0/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
// 4.
ptubs[2]=7.5/2.;
dz+=ptubs[2];
gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
dz+=ptubs[2];
dz+=1.5;
//
// Outer Pb Cone
if (fPbCone) {
dl = (kZvac10-kZch32)/2.;
dz = dl+kZch32;
par0[0] = 0.;
par0[1] = 360.;
par0[2] = 10.;
par0[ 3] = -dl;
par0[ 4] = 30.;
par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
// 4th station
par0[ 6] = -dz + kZch41;
par0[ 7] = 30.;
par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
par0[ 9] = -dz + kZch41;
par0[10] = 30.;
par0[11] = 37.5;
// recess erice2000
par0[12] = -dz + kZch42;
par0[13] = 30.;
par0[14] = par0[11];
par0[15] = -dz + kZch42;
par0[16] = 30.;
par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
// 5th station
par0[18] = -dz + kZch51;
par0[19] = 30.;
par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
par0[21] = -dz + kZch51;
par0[22] = 30.;
par0[23] = 37.5; // recess erice2000
par0[24] = -dz + kZch52;
par0[25] = 30.;
par0[26] = par0[23];
par0[27] = -dz + kZch52;
par0[28] = 30.;
par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
// end of cone
par0[30] = +dl;
par0[31] = 30.;
par0[32] = par0[29];
//
gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
}
}
void AliSHILv0::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(" SHILv0_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");
}
}