/**************************************************************************
* 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 1.2 2001/05/02 12:01:33 morsch
Obsolete version removed.
Revision 1.1 2001/03/28 08:43:19 morsch
Temporary solution for beam-pipe until ITS geometry will have been updated.
*/
////////////////////////////////////////////////
// Beam pipe class /
////////////////////////////////////////////////
#include "AliPIPEvTemp.h"
#include "AliRun.h"
#include "AliConst.h"
#include "AliMagF.h"
#include "AliMC.h"
#include "TSystem.h"
ClassImp(AliPIPEvTemp)
//_____________________________________________________________________________
AliPIPEvTemp::AliPIPEvTemp()
{
// Constructor
}
//_____________________________________________________________________________
AliPIPEvTemp::AliPIPEvTemp(const char *name, const char *title)
: AliPIPE(name,title)
{
// Constructor
}
//___________________________________________
void AliPIPEvTemp::CreateGeometry()
{
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
if(fDebug) printf("%s: Create PIPEvTemp geometry \n",ClassName());
Int_t *idtmed = fIdtmed->GetArray();
Float_t ppcon[36], ptube[3], pbox[3];
Int_t i=0;
enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
Int_t idrotm[2099];
AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
idrotm[2011] = 0;
AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
//
// The peam pipe up to the Front Absorber
//
// Mother Volume QBPM
const Float_t dbe1 = 15.;
const Float_t dbe2 = 15.;
ppcon[0] = 0;
ppcon[1] = 360;
ppcon[2] = 11;
// 1:
ppcon[3] = - 90;
ppcon[4] = 0;
ppcon[5] = 5.8;
// 2
ppcon[6] = - 81.0;
ppcon[7] = 0.;
ppcon[8] = 5.8;
// 3
ppcon[9] = - 81.;
ppcon[10] = 0.;
ppcon[11] = 4.22;
// 4
ppcon[12] = - 28.00-dbe2;
ppcon[13] = 0;
ppcon[14] = 4.22;
// 5
ppcon[15] = - 28.00-dbe2;
ppcon[16] = 0;
ppcon[17] = 3.2;
// 6
ppcon[18] = 0;
ppcon[19] = 0;
ppcon[20] = 3.2;
// 7
ppcon[21] = 28.+dbe1;
ppcon[22] = 0;
ppcon[23] = 3.2;
// 8
ppcon[24] = 28.+dbe1;
ppcon[25] = 0;
ppcon[26] = 4.22;
// 9
ppcon[27] = 250;
ppcon[28] = 0;
ppcon[29] = 4.22;
// 10
ppcon[30] = 250;
ppcon[31] = 0;
ppcon[32] = 5;
// 11
ppcon[33] = 800;
ppcon[34] = 0;
ppcon[35] = 5;
gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
//
// The Vacuum
ptube[0] = 0.0;
ptube[1] = 2.9;
ptube[2] = 445.0;
gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
//
// Be Pipe in central Alice
ptube[0] = 2.90;
ptube[1] = 3.00;
ptube[2] = 28.25+(dbe1+dbe2)/2.;
gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
gMC->Gspos("QBBE", 1, "QBPM", 0., 0., (dbe1-dbe2)/2., 0, "ONLY");
//
// Metal-Metal Transitions
//
// Be-Inox
// Mother Volume
ptube[0] = 2.900;
ptube[1] = 4.200;
ptube[2] = 2.750;
gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+dbe1+ptube[2], 0, "ONLY");
ptube[0] = 2.900;
ptube[1] = 3.150;
ptube[2] = 0.375;
//
// Be-part
gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
ptube[1] = 3.000;
gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
// Inox-part
//
ptube[0] = 2.900;
ptube[1] = 3.150;
ptube[2] = 2.375;
gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
ptube[0] = 3.15;
ptube[1] = 3.50;
ptube[2] = 0.10;
gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
// Fixations
ptube[0] = 0.0;
ptube[1] = 0.1;
ptube[2] = 0.5;
gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
// Carbon ring
ptube[0] = 3.15;
ptube[1] = 4.10;
ptube[2] = 0.55;
gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
ptube[0] = 3.15;
ptube[1] = 3.50;
ptube[2] = 0.10;
gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
//
// Be-Alu
// Mother Volume
ptube[0] = 2.900;
ptube[1] = 4.200;
ptube[2] = 2.750;
gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-dbe2-ptube[2], idrotm[2012], "ONLY");
ptube[0] = 2.900;
ptube[1] = 3.150;
ptube[2] = 0.375;
//
// Be-part
gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
ptube[1] = 3.000;
gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
// Alu part
ptube[0] = 2.900;
ptube[1] = 3.150;
ptube[2] = 2.375;
gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
ptube[0] = 3.15;
ptube[1] = 3.50;
ptube[2] = 0.10;
gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
// Fixation
ptube[0] = 0.0;
ptube[1] = 0.1;
ptube[2] = 0.5;
gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
// Carbon ring
ptube[0] = 3.15;
ptube[1] = 4.10;
ptube[2] = 0.55;
gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
ptube[0] = 3.15;
ptube[1] = 3.50;
ptube[2] = 0.10;
gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
//
// 1st section Alu non-absorber side
ptube[0] = 2.9;
ptube[1] = 3.0;
ptube[2] = 85.175-dbe1/2.;
gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925+dbe1/2., 0, "ONLY");
//
// Support rollers: non absorber side
//
// Mother volume
ptube[0] = 3.2;
ptube[1] = 4.8;
ptube[2] = 3.0;
gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
ptube[0] = 0.0;
ptube[1] = 0.7;
ptube[2] = 3.0;
gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
for (i=0; i<8; i++) {
Float_t phi = 45.+i*45.*kDegrad;
Float_t xpos = 4.*TMath::Sin(phi);
Float_t ypos = 4.*TMath::Cos(phi);
gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
}
//
// Flanges: non absorber side
ptube[0] = 3.0;
ptube[1] = 4.9;
ptube[2] = 2.2;
gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
//
// Inox beam pipe: non absorber side
ptube[0] = 2.90;
ptube[1] = 2.98;
// ptube[2] = 275.05; // without undulated beampipe
ptube[2] = 42.55;
gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
// gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
//
// Undulated beam pipe
//
/*
Float_t pitch=0.25;
Float_t thick=0.015;
Float_t zundul=171;
Float_t rundul=3.0;
char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
Undulation("QUND",pitch,thick,zundul,rundul,cn48);
gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
*/
// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
//
ptube[0] = 2.90;
ptube[1] = 3.05;
ptube[2] = 171.0;
gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
//
// missing pieces of inox pipe
//
ptube[0] = 2.90;
ptube[1] = 2.98;
ptube[2] = 61.55;
gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
/*
ptube[0] = 2.90;
ptube[1] = 2.98;
ptube[2] = 1.0;
gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
*/
//
//
ptube[0] = 3.0;
ptube[1] = 3.15;
ptube[2] = 2.75;
gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
// distance between bellows
// const Float_t dzbb = 18.;
const Float_t dzbb = 8.;
// size of bellow
const Float_t dzb = 11.4;
//
ptube[0] = 2.90;
ptube[1] = 3.15;
ptube[2] = 2.5 +(18.-dzbb)/2.;
Float_t dz = 249.9-(2.*dzb+dzbb)-ptube[2];
gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, dz, 0, "ONLY");
//
// Bellows
//
// Mother Volume
ptube[0] = 2.90;
ptube[1] = 3.75;
ptube[2] = (2.*dzb+dzbb)/2.;
gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
dz = (249.9-ptube[2]);
gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, dz, 0, "ONLY");
dz = (81.7-ptube[2]);
gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
ptube[2] = dzb/2.;
gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
dz = (dzb+dzbb)/2.;
gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, -dz, 0 , "ONLY");
gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, dz, idrotm[2012], "ONLY");
ptube[0] = 2.90;
ptube[1] = 3.25;
ptube[2] = 3.70;
gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
ptube[0] = 3.25;
ptube[1] = 3.74;
ptube[2] = 0.095;
gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
for (i=0; i<15; i++) {
gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
}
ptube[0] = 2.90;
ptube[1] = 3.00;
ptube[2] = 1.20;
gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
ptube[0] = 3.250;
ptube[1] = 3.750;
ptube[2] = 0.005;
gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
for (i=0; i<30; i++) {
gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
}
ptube[0] = 3.740;
ptube[1] = 3.750;
ptube[2] = 0.095;
gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
for (i=0; i<15; i++) {
gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
}
ptube[0] = 3.250;
ptube[1] = 3.260;
ptube[2] = 0.095;
gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
for (i=0; i<14; i++) {
gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
}
ptube[0] = 3.250;
ptube[1] = 3.260;
ptube[2] = 0.3975;
gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
ptube[0] = 2.900;
ptube[1] = 3.260;
ptube[2] = 0.050;
gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
ptube[0] = 2.900;
ptube[1] = 3.000;
ptube[2] = 0.700;
gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
//
// pipe between Bellows
ptube[0] = 2.9;
ptube[1] = 3.0;
ptube[2] = dzbb/2.;
gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
//
// End Bellow
// Absorber side
//
// beam pipe between metal-metal transition and bellows
ptube[0] = 2.9;
ptube[1] = 3.0;
// ptube[2] = 3.575;
ptube[2] = (81.7-(2.*dzb+dzbb)-(28.25+dbe2+5.5))/2.;
gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
dz = (28.25+dbe2+5.5)+ptube[2];
gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
//
// beam pipe between flange and bellows
ptube[0] = 2.90;
ptube[1] = 3.00;
ptube[2] = 0.45;
gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
//
// Flange
//
// Mother Volume
ptube[0] = 2.900;
ptube[1] = 4.300;
ptube[2] = 1.400;
gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
//
// inner Inox piece
ptube[0] = 2.900;
ptube[1] = 3.500;
ptube[2] = 0.450;
gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
//
// 8 x M5 Inox
ptube[0] = 0.000;
ptube[1] = 0.250;
ptube[2] = 1.400;
gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
for (i=0; i<8; i++) {
Float_t phi = i*45.*kDegrad;
Float_t xpos = 3.9*TMath::Sin(phi);
Float_t ypos = 3.9*TMath::Cos(phi);
gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
}
ptube[0] = 2.900;
ptube[1] = 3.000;
ptube[2] = 2.300;
gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
//
// The Ion Pump
// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
// and make it invisible
//
gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
//
// Ion Pump
//
ptube[0] = 5.;
ptube[1] = 55.;
ptube[2] = 20.;
gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
//
// Getters ->
pbox[0] = 6.50;
pbox[1] = 6.75;
pbox[2] = 15.60;
gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
pbox[0] = 5.90;
pbox[1] = 6.15;
pbox[2] = 15.00;
gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
// <-
ptube[0] = 0.0;
ptube[1] = 19.0;
ptube[2] = 2.5;
gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
ptube[0] = 0.0;
ptube[1] = 15.0;
ptube[2] = 2.5;
gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
//
// Connecting tube ->
ptube[0] = 0.0;
ptube[1] = 5.4;
ptube[2] = 13.7;
gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
ptube[0] = 0.0;
ptube[1] = 4.8;
ptube[2] = 13.7;
gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
// <-
//
// Flange ->
ptube[0] = 0.00;
ptube[1] = 7.30;
ptube[2] = 2.15;
gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
ptube[0] = 0.00;
ptube[1] = 4.80;
ptube[2] = 2.15;
gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
// <-
gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
//
// PLACE ION PUMP (QIPM) AT Z=-385.
//
gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
gMC->Gsatt("QIPM", "SEEN", 0);
gMC->Gsatt("QBPM", "SEEN", 0);
gMC->Gsatt("QBEM", "SEEN", 0);
}
//___________________________________________
void AliPIPEvTemp::DrawModule()
{
// Set drawing options
;
}
//___________________________________________
void AliPIPEvTemp::CreateMaterials()
{
//
// Define materials for beam pipe
//
if(fDebug) printf("%s: Create PIPEvTemp materials \n",ClassName());
Int_t isxfld = gAlice->Field()->Integ();
Float_t sxmgmx = gAlice->Field()->Max();
// Steel (Inox)
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 };
// AlBe - alloy
Float_t aAlBe[2] = { 26.98, 9.01};
Float_t zAlBe[2] = { 13.00, 4.00};
Float_t wAlBe[2] = { 0.4, 0.6};
//
// Berillium
AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
//
// Carbon
AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
//
// Aluminum
AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
//
// Air
AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
//
// Vacuum
AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
//
// stainless Steel
AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
//
// reduced density steel to approximate pump getter material
AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
// Al-Be alloy
//
AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
//
// ****************
// Defines tracking media parameters.
//
Float_t epsil = .001; // Tracking precision,
Float_t stemax = -0.01; // Maximum displacement for multiple scat
Float_t tmaxfd = -20.; // Maximum angle due to field deflection
Float_t deemax = -.3; // Maximum fractional energy loss, DLS
Float_t stmin = -.8;
// ***************
//
// Beryllium
AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// Carbon
AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// Aluminum
AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// Air
AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// Vacuum
AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// Steel
AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// Getter
AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
//
// AlBe - Aloy
AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
}
void AliPIPEvTemp::Undulation(char *undul, Float_t pitch, Float_t thick,
Float_t zundul, Float_t rundul, char (*cone)[5])
{
//
// RUNDUL : Internal radius of the undulated chamber
// THICK : material thickness
// PITCH : one-QUARTER wave of undulation (cm)
// ZUNDUL : half length (cm)
//
// The undulated structure is desgned as a superposition of eight CONES
// of suitable sizes, where the inner/outer radius of the cone increases,
// then decreases, each half of the wave is assumed to be a semicircle,
// which allows to calculate the thickness and the radii of the cone, by
// dividing the semicircle into 4 parts of equal arc length.
// Thus apear the constants 0.293 and 0.707.
//
const Float_t kConst1 = .293;
const Float_t kConst2 = .707;
// Local variables
Int_t j, nwave;
Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
dcone6[5], dcone7[5], dcone8[5];
Float_t xc, yc, zc, dundul[3];
Int_t *idtmed = fIdtmed->GetArray()-1999;
// Function Body
dcone1[0] = kConst1 * pitch / 2;
dcone1[1] = rundul;
dcone1[2] = dcone1[1] + thick;
dcone1[3] = dcone1[1] + kConst2 * pitch;
dcone1[4] = dcone1[3] + thick;
dcone2[0] = kConst2 * pitch / 2;
dcone2[1] = dcone1[3];
dcone2[2] = dcone1[4];
dcone2[3] = dcone2[1] + kConst1 * pitch;
dcone2[4] = dcone2[3] + thick;
dcone3[0] = dcone2[0];
dcone3[1] = dcone2[3];
dcone3[2] = dcone2[4];
dcone3[3] = dcone2[1];
dcone3[4] = dcone2[2];
dcone4[0] = dcone1[0];
dcone4[1] = dcone1[3];
dcone4[2] = dcone1[4];
dcone4[3] = dcone1[1];
dcone4[4] = dcone1[2];
dcone5[0] = dcone1[0];
dcone5[1] = dcone1[1] - thick;
dcone5[2] = dcone1[1];
dcone5[3] = dcone5[1] - kConst2 * pitch;
dcone5[4] = dcone5[3] + thick;
dcone6[0] = dcone2[0];
dcone6[1] = dcone5[3];
dcone6[2] = dcone5[4];
dcone6[3] = dcone6[1] - kConst1 * pitch;
dcone6[4] = dcone6[3] + thick;
dcone7[0] = dcone6[0];
dcone7[1] = dcone6[3];
dcone7[2] = dcone6[4];
dcone7[3] = dcone5[3];
dcone7[4] = dcone5[4];
dcone8[0] = dcone5[0];
dcone8[1] = dcone7[3];
dcone8[2] = dcone7[4];
dcone8[3] = dcone5[1];
dcone8[4] = dcone5[2];
gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
gMC->Gsatt(cone[0], "SEEN", 0);
gMC->Gsatt(cone[1], "SEEN", 0);
gMC->Gsatt(cone[2], "SEEN", 0);
gMC->Gsatt(cone[3], "SEEN", 0);
gMC->Gsatt(cone[4], "SEEN", 0);
gMC->Gsatt(cone[5], "SEEN", 0);
gMC->Gsatt(cone[6], "SEEN", 0);
gMC->Gsatt(cone[7], "SEEN", 0);
// DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
nwave = Int_t (zundul / (pitch * 2) + .1);
dundul[2] = pitch * 2 * nwave;
dundul[1] = rundul + pitch + thick * 2;
//
dundul[0] = 2.9;
gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
xc = 0;
yc = 0;
zc = -dundul[2] + dcone1[0];
for (j = 1; j <= nwave; ++j) {
gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone1[0] + dcone2[0];
gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone2[0] + dcone3[0];
gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone3[0] + dcone4[0];
gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone4[0] + dcone5[0];
gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone5[0] + dcone6[0];
gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone6[0] + dcone7[0];
gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone7[0] + dcone8[0];
gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone8[0] + dcone1[0];
}
}