* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-*/
+/* $Id$ */
+
+//-------------------------------------------------------------------------
+// Beam pipe class
+// Default version
+// Author: A.Morsch
+//-------------------------------------------------------------------------
+
+#include <Riostream.h>
-////////////////////////////////////////////////
-// Beam pipe class /
-////////////////////////////////////////////////
+#include <TSystem.h>
+#include <TVirtualMC.h>
+#include "AliConst.h"
+#include "AliMagF.h"
#include "AliPIPEv0.h"
#include "AliRun.h"
-#include "TSystem.h"
ClassImp(AliPIPEv0)
//_____________________________________________________________________________
AliPIPEv0::AliPIPEv0()
{
+// Constructor
+ SetPipeMaterial();
}
//_____________________________________________________________________________
AliPIPEv0::AliPIPEv0(const char *name, const char *title)
: AliPIPE(name,title)
{
+// Constructor
+ SetPipeMaterial();
}
//___________________________________________
void AliPIPEv0::CreateGeometry()
{
- printf("Create PIPEv0 geometry\n ");
//Begin_Html
/*
<img src="picts/pipe.gif">
*/
//End_Html
- const char *pipename = "$(ALICE_ROOT)/Euclid/bpipeb.euc";
- const char *pumpname = "$(ALICE_ROOT)/Euclid/bpumpa.euc";
- char *filtmp;
- char topvol[5];
- printf("Create PIPEv0 geometry ");
+ if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName());
- Int_t idrotm[2099];
+ Int_t *idtmed = fIdtmed->GetArray();
+ Float_t ppcon[90], ptube[3], pbox[3];
+ Int_t i=0;
+
+
+ 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.);
+//
+// Bellow
+//
+// distance between bellows
+// total size of bellow section
+ const Float_t kdzb = 15.0;
+// size of undulated region
+//
+// Absorber side
+//
+// distance between bellows
+ const Float_t kdzbbA = 5.0;
+// total size of bellow section
+ const Float_t kdzbA = 15.0;
+// size of undulated region
+ const Float_t kdzubA = 3.75;
+
+// half-lengths of various beam pipe sections
+// central Be-Pipe
+ Float_t hlenQbbe1 = 40.;
+ Float_t hlenQbbe2 = 36.5;
+ Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.;
+//
+//
+// Float_t hlenQbt1 = 5.5/2.;
+//
+// Pipe outside central region (non-absober side)
+ Float_t hlenQbab = 157.5;
+//
+// Flange non-absorber side
+ Float_t hlenQb29 = 11.5/2.+1.75 + 5.0;
+//
+// Bellow element
+ Float_t hlenQbe0 = kdzbA;
+//
+// Inox pipe between Be and Bellow (absorber side)
+ Float_t hlenQb24[3] = {10.5/2., 1.8, 3.3};
+//
+//
+ Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.;
+//
+// Position of the pump
+ Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+kdzb;
+//
+// Inner beam pipe radius
+ const Float_t kRinBe = 2.9;
+ const Float_t kRinSt = 2.98;
+//
+//
+ const Float_t kRoutBe = 2.98;
+ const Float_t kRoutSt = 3.06;
+
+
+//
+ Float_t dz;
+
//
// The peam pipe up to the Front Absorber
- filtmp=gSystem->ExpandPathName(pipename);
- FILE *file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- printf(" Reading PIPE \n");
- gAlice->ReadEuclid(pipename,this,topvol);
- } else {
- printf(" THE GEOM FILE %s DOES NOT EXIST !\n",pipename);
- exit(1);
- }
-//
-// The Ion Pump
- filtmp=gSystem->ExpandPathName(pumpname);
- file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- printf(" Reading PUMP \n");
- gAlice->ReadEuclid(pumpname,this,topvol);
- } else {
- printf(" THE GEOM FILE %s DOES NOT EXIST !\n",pumpname);
- exit(1);
- }
//
-// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
-// and make it invisible
+// Mother Volume QBPM
+ ppcon[0] = 0;
+ ppcon[1] = 360;
+ ppcon[2] = 20;
+// 1
+ ppcon[3] = -90.;
+ ppcon[4] = 0.;
+ ppcon[5] = 3.1;
+// 2
+ ppcon[6] = -84.;
+ ppcon[7] = 0.;
+ ppcon[8] = 3.1;
+// 3
+ ppcon[9] = -84.;
+ ppcon[10] = 0.;
+ ppcon[11] = 4.4;
+// 4
+ ppcon[12] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1];
+ ppcon[13] = 0.;
+ ppcon[14] = 4.4;
+// 5
+ ppcon[15] = ppcon[12];
+ ppcon[16] = 0.;
+ ppcon[17] = 4.1;
+// 6
+ ppcon[18] = ppcon[15] + 2.5 + 2.*kdzubA+0.2;
+ ppcon[19] = 0.;
+ ppcon[20] = 4.1;
+// 7
+ ppcon[21] = ppcon[18];
+ ppcon[22] = 0.;
+ ppcon[23] = 3.2;
+// 8
+ ppcon[24] = ppcon[21] + 2.* kdzbbA-0.4;
+ ppcon[25] = 0.;
+ ppcon[26] = 3.2;
+// 9
+ ppcon[27] = ppcon[24];
+ ppcon[28] = 0.;
+ ppcon[29] = 4.1;
+// 10
+ ppcon[30] = -44.;
+ ppcon[31] = 0.;
+ ppcon[32] = 4.1;
+// 11
+ ppcon[33] = -44.;
+ ppcon[34] = 0;
+ ppcon[35] = 3.06;
+// 12
+ ppcon[36] = 38.;
+ ppcon[37] = 0;
+ ppcon[38] = 3.06;
+// 13
+ ppcon[39] = 38.;
+ ppcon[40] = 0;
+ ppcon[41] = 3.6;
+// 14
+ ppcon[42] = hlenQbbe1+2.*hlenQbab-0.1;
+ ppcon[43] = 0.;
+ ppcon[44] = 3.6;
+// 15
+ ppcon[45] = ppcon[42];
+ ppcon[46] = 0.;
+ ppcon[47] = 3.6;
+// 16
+ ppcon[48] = ppcon[45]+2.*hlenQb29-5.;
+ ppcon[49] = 0.;
+ ppcon[50] = 3.6;
+// 17
+ ppcon[51] = ppcon[48];
+ ppcon[52] = 0.;
+ ppcon[53] = 56.;
+// 18
+ ppcon[54] = ppcon[51]+2.*kdzb+10.;
+ ppcon[55] = 0.;
+ ppcon[56] = 56.;
+// 19
+ ppcon[57] = ppcon[54];
+ ppcon[58] = 0.;
+ ppcon[59] = 3.6;
+// 20
+ ppcon[60] = 800.;
+ ppcon[61] = 0.;
+ ppcon[62] = 3.6;
+
+ gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,63);
+
+
+//
+// volume definitions of various sections
+//
+
+//
+// The Vacuum
+ gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0);
+ ptube[0] = 0.0;
+ ptube[1] = kRinSt;
+ ptube[2] = (90.-hlenQbbe2)/2.;
+ dz = -90. + ptube[2];
+ gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
+ dz = dz + ptube[2];
+
+ ptube[1] = kRinBe;
+ ptube[2] = hlenQbbe+hlenQbab;
+ dz = dz + ptube[2];
+ gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
+ dz = dz + ptube[2];
+
+ ptube[1] = kRinSt;
+ ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.;
+ dz = dz + ptube[2];
+ gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
+
+//
+// Be Pipe in central Alice
+ ptube[0] = kRinBe;
+ ptube[1] = kRoutBe;
+ ptube[2] = hlenQbbe;
+
+ gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
+
+//
+// Support Ring
+//
+ // Mother
+ ppcon[0] = 0;
+ ppcon[1] = 360;
+ ppcon[2] = 6;
+// 1:
+ ppcon[3] = -1.;
+ ppcon[4] = 3.0;
+ ppcon[5] = 3.4;
+// 2
+ ppcon[6] = -0.8;
+ ppcon[7] = 3.0;
+ ppcon[8] = 3.4;
+// 3
+ ppcon[9] = -0.8;
+ ppcon[10] = 3.0;
+ ppcon[11] = 3.2;
+// 4
+ ppcon[12] = 0.8;
+ ppcon[13] = 3.0;
+ ppcon[14] = 3.2;
+// 5
+ ppcon[15] = 0.8;
+ ppcon[16] = 3.0;
+ ppcon[17] = 3.4;
+// 6
+ ppcon[18] = 1.0;
+ ppcon[19] = 3.0;
+ ppcon[20] = 3.4;
+
+
+ gMC->Gsvolu("QBSR", "PCON", idtmed[kC], ppcon,21);
+ gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY");
+ gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY");
+ gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY");
+ gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY");
+//
+// Flange and Fixed Point: non absorber side
+//
+// ---------->
+//
+// Mother
+ ppcon[0] = 0;
+ ppcon[1] = 360;
+ ppcon[2] = 4;
+// 1:
+ ppcon[3] = -hlenQb29;
+ ppcon[4] = kRinSt;
+ ppcon[5] = 5.8;
+// 2
+ ppcon[6] = ppcon[3]+3.6;
+ ppcon[7] = kRinSt;
+ ppcon[8] = 5.8;
+// 3
+ ppcon[9] = ppcon[6];
+ ppcon[10] = kRinSt;
+ ppcon[11] = 3.6;
+// 4
+ ppcon[12] = hlenQb29;
+ ppcon[13] = kRinSt;
+ ppcon[14] = 3.6;
+
+ gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15);
+
+
+// Flange
+ ptube[0] = kRinSt;
+ ptube[1] = 5.7;
+ ptube[2] = 1.75;
+ gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY");
+// Pipe
+ ptube[0] = kRinSt;
+ ptube[1] = 3.06;
+ ptube[2] = hlenQb29;
+ gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY");
+// Fixed point
+ ptube[0] = kRinSt;
+ ptube[1] = 3.5;
+ ptube[2] = 0.3;
+ gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY");
+
+//
+//
+// Inox beam pipe: final section on non-absorber side
+
+ ptube[0] = kRinSt;
+ ptube[1] = kRoutSt;
+ ptube[2] = hlenQb28;
+
+ gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
+
+
+// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
+//
+// This section is under study (A.M. 1/2/2002)
+//
+
+ ptube[0] = kRinBe;
+ if (fPipeMaterial == kAlu) {
+ ptube[1] = 3.06;
+ } else if (fPipeMaterial == kBe) {
+ ptube[1] = kRoutBe;
+ } else if (fPipeMaterial == kInox){
+ ptube[1] = kRoutSt;
+ }
+ ptube[2] = hlenQbab;
+
+ gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3);
+
+// 2.5 mm thick SS tube for hanging pump
+/*
+ ptube[0] = Rin;
+ ptube[1] = 3.15;
+ ptube[2] = hlenQb26;
+
+ gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
+*/
+//
+// Bellows
+//
+//
+// Mother Volume
+ Float_t pconQBE0[33];
+ pconQBE0[ 0]= 0;
+ pconQBE0[ 1]= 360;
+ pconQBE0[ 2]= 10;
+// 1
+ pconQBE0[ 3] = -kdzbA;
+ pconQBE0[ 4] = kRinSt;
+ pconQBE0[ 5] = kRoutSt;
+//
+ pconQBE0[ 6] = -kdzbA+2.5;
+ pconQBE0[ 7] = kRinSt;
+ pconQBE0[ 8] = kRoutSt;
+// 2
+ pconQBE0[ 9] = -kdzbA+2.5;
+ pconQBE0[10] = kRinSt;
+ pconQBE0[11] = 3.60;
+// 3
+ pconQBE0[12] = -kdzbA+2.5+2.*kdzubA;
+ pconQBE0[13] = kRinSt;
+ pconQBE0[14] = 3.60;
+// 4
+ pconQBE0[15] = -kdzbA+2.5+2.*kdzubA;
+ pconQBE0[16] = kRinSt;
+ pconQBE0[17] = kRoutSt;
+// 5
+ pconQBE0[18] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA;
+ pconQBE0[19] = kRinSt;
+ pconQBE0[20] = kRoutSt;
+// 6
+ pconQBE0[21] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA;
+ pconQBE0[22] = kRinSt;
+ pconQBE0[23] = 3.60;
+// 7
+ pconQBE0[24] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA;
+ pconQBE0[25] = kRinSt;
+ pconQBE0[26] = 3.60;
+// 8
+ pconQBE0[27] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA;
+ pconQBE0[28] = kRinSt;
+ pconQBE0[29] = kRoutSt;
+// 9
+ pconQBE0[30] = -kdzbA+5.0+4.*kdzubA+2.*kdzbbA;
+ pconQBE0[31] = kRinSt;
+ pconQBE0[32] = kRoutSt;
+
+ gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33);
+//
+// Undulated piece mother
+ ptube[0] = kRinSt;
+ ptube[1] = 3.60;
+ ptube[2] = kdzubA;
+ gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
+ dz = -kdzbA+kdzubA+2.5;
+ 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");
+//
+ Float_t pund[30];
+ Float_t uw = 0.02;
+ Float_t ur = 2.*kdzubA-36.*uw;
+ Float_t uz = ur/37.;
+ Float_t ut = uz+uw;
+
+ pund[ 0] = 0;
+ pund[ 1] = 360;
+ pund[ 2] = 8;
+
+ pund[ 3] = -ut;
+ pund[ 4] = kRinSt;
+ pund[ 5] = kRinSt+uw;
+
+ pund[ 6] = -ut+uz;
+ pund[ 7] = pund[4];
+ pund[ 8] = pund[5];
+
+ pund[ 9] = pund[6];
+ pund[10] = pund[4];
+ pund[11] = 3.6;
+
+ pund[12] = pund[9]+uw;
+ pund[13] = pund[10];
+ pund[14] = pund[11];
+
+ pund[15] = pund[12];
+ pund[16] = 3.6-uw;
+ pund[17] = pund[14];
+
+ pund[18] = pund[12]+uz;
+ pund[19] = pund[16];
+ pund[20] = pund[17];
+
+ pund[21] = pund[18];
+ pund[22] = kRinSt;
+ pund[23] = pund[20];
+
+ pund[24] = pund[21]+uw;
+ pund[25] = pund[22];
+ pund[26] = pund[23];
+
+ gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27);
+
+ for (i = 0; i < 18; i++)
+ {
+ dz = -kdzubA+(1+2*i)*ut;
+ gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY");
+ }
+ ptube[0] = kRinSt;
+ ptube[1] = kRinSt+uw;
+ ptube[2] = uz;
+ gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, kdzubA-uz, 0 , "ONLY");
+
+//
+// BeamPipe
+ gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0);
+ ptube[0] = kRinSt;
+ ptube[1] = kRoutSt;
+ ptube[2] = 1.25;
+ gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -kdzbA+1.25, 0 , "ONLY", ptube, 3);
+ gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, kdzbA-1.25, 0 , "ONLY", ptube, 3);
+ ptube[2] = kdzbbA;
+ gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3);
+//
+//
+// ----> End Bellow
+//
+// **** Placement of various sections on non-absorber side ****
+//
+ //
+ // first the beryllium section
+ Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2;
+ gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
+
+ // next meta-metal transition QBT1 on on-absorber side
+// zpos = zpos + hlenQbbe + hlenQbt1;
+// gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
+
+ // Aluminium OR Al-be alloy section
+ zpos = hlenQbbe1+hlenQbab;
+ gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
+ //
+ // inox flange at the start of bellow
+ zpos = zpos + hlenQbab + hlenQb29;
+ gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY");
+ //
+ // bellow section
+ zpos = zpos + hlenQb29 + hlenQbe0;
+ gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY");
+ //
+ // inox flange at the end of bellow and start of thick inox for pump
+ zpos = zpos + hlenQbe0 + hlenQb29;
+ gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
+ //
+ //last inox section till 800 cm
+ zpos = zpos + hlenQb29 + hlenQb28;
+ gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
+
+//******** end of placement on no-absorber side *********
+
+ //
+ // **** Absorber side *****
+ //
+ //
+/*
+ // metal-metal transition : Be-Alu on absorber side
+ // Mother Volume
+ ptube[0] = 2.900;
+ ptube[1] = 4.200;
+ ptube[2] = 2.750;
+ gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
+ // z = 43.3 - 48.8
+ gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-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, "QB02", 0., 0., 0, 0, "ONLY");
+// z = -2.75 -> -2.00
+ 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;
+// z = -2.00 -> 2.75
+ 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;
+// z = 2.55 -> 2.75
+ 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");
+ */
+//
+// Beam pipes between elements
+//
+
+ gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0);
+ ptube[0] = kRinSt;
+ ptube[1] = kRoutSt;
+ ptube[2] = hlenQb24[0];
+ dz = hlenQbbe2 + ptube[2];
+ gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
+//
+// Bellow on absorber side
+ dz = dz+hlenQb24[0] + kdzbA;
+ gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
+//
+ ptube[2] = hlenQb24[1];
+ dz = dz + kdzb + ptube[2];
+ gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
+ dz = dz + ptube[2];
+
+//
+// Flange
//
- AliMatrix(idrotm[2001],90.,0.,90.,90.,180.,0.);
-
- gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2001],"ONLY");
+// Mother Volume
+ ptube[0] = kRinSt;
+ ptube[1] = 4.300;
+ ptube[2] = 1.4;
+
+ gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3);
+ dz = dz + ptube[2];
+ gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
+ dz = dz + ptube[2];
//
-// PLACE ION PUMP (QIPM) AT Z=-385.
//
- gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2001],"ONLY");
+ ptube[0] = kRinSt;
+ ptube[1] = kRoutSt;
+ ptube[2] = hlenQb24[2];
+ dz = dz + ptube[2];
+ gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
- gMC->Gsatt("QIPM", "SEEN", 0);
- gMC->Gsatt("QBPM", "SEEN", 0);
- gMC->Gsatt("QB20", "SEEN", 0);
-}
-
-//___________________________________________
-void AliPIPEv0::DrawModule()
-{
+// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
+// by rotating it to 180 deg. and make it invisible
+//
+ gMC->Gspos("QBPM",1,"ALIC", 0, 0, 0, 0, "ONLY");
+ gMC->Gsbool("QBPM", "L3DX");
+ gMC->Gsbool("QBPM", "L3O3");
+ gMC->Gsbool("QBPM", "L3O4");
+
+
+//
+// ******** Ion Pump volume description starts here ******
+//
+ //
+ // 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] = 4.9;
+ ptube[2] = 14.6;
+ gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
+
+ ptube[0] = 0.0;
+ ptube[1] = 4.3;
+ ptube[2] = 14.6;
+ gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
+ gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
+// <-
+
+ //
+ // Flange ->
+ ptube[0] = 5.41;
+ ptube[1] = 7.30;
+ ptube[2] = 2.15;
+ gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
+// <-
+ gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY");
+ gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY");
+ gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY");
+ gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY");
+
+ gMC->Gsatt("QBPM", "SEEN", 1);
+ gMC->Gsatt("QBEM", "SEEN", 1);
}
+
+
//___________________________________________
void AliPIPEv0::CreateMaterials()
{
- printf("Create PIPEv0 materials\n");
- const char *name = "$(ALICE_ROOT)/Euclid/pipe.tme";
- char *filtmp;
- filtmp=gSystem->ExpandPathName(name);
- FILE *file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- gAlice->ReadEuclidMedia(name,this);
- } else {
- printf(" THE MEDIA FILE %s DOES NOT EXIST !\n",name);
- exit(1);
- }
-}
+ //
+ // Define materials for beam pipe
+ //
+ if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName());
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
+ // Steel (Inox)
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
+ // AlBe - alloy
+ Float_t aAlBe[2] = { 26.98, 9.01};
+ Float_t zAlBe[2] = { 13.00, 4.00};
+ Float_t wAlBe[2] = { 0.4, 0.6};
+ //
+ // Berillium
+ AliMaterial(5, "BERILLIUM$", 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);
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff