/*
$Log$
+Revision 1.13 2001/01/20 16:35:27 morsch
+Increase mother volume for bellows.
+
+Revision 1.12 2000/12/21 16:41:06 morsch
+Coding convention clean-up (RS3)
+
+Revision 1.11 2000/11/28 16:06:57 morsch
+Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
+
+Revision 1.10 2000/11/24 13:00:37 morsch
+- Geometry and materials imported from euclid output
+- include comments
+- better struturing of volume tree
+- improved version of flange close to front absorber
+- more realistic pump materials
+- undulated beam pipe imported from v3.
+
+Revision 1.9 2000/10/02 21:28:15 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.8 2000/06/11 12:37:01 morsch
+Coding rule violations corrected
+
Revision 1.7 2000/02/23 16:25:24 fca
AliVMC and AliGeant3 classes introduced
ReadEuclid moved from AliRun to AliModule
#include "AliPIPEv0.h"
#include "AliRun.h"
+#include "AliConst.h"
+#include "AliMagF.h"
+#include "AliMC.h"
#include "TSystem.h"
ClassImp(AliPIPEv0)
//___________________________________________
void AliPIPEv0::CreateGeometry()
{
- printf("Create PIPEv0 geometry\n ");
//Begin_Html
/*
<img src="picts/pipe.gif">
*/
//End_Html
- const char *kPipeName = "$(ALICE_ROOT)/Euclid/bpipeb.euc";
- const char *kPumpName = "$(ALICE_ROOT)/Euclid/bpumpa.euc";
- char *filtmp;
- char topvol[5];
- printf("Create PIPEv0 geometry ");
+ printf("Create PIPEv0 geometry \n");
- Int_t idrotm[2099];
+ 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
- filtmp=gSystem->ExpandPathName(kPipeName);
- FILE *file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- printf(" Reading PIPE \n");
- ReadEuclid(kPipeName,topvol);
- } else {
- printf(" THE GEOM FILE %s DOES NOT EXIST !\n",kPipeName);
- exit(1);
- }
//
-// The Ion Pump
- filtmp=gSystem->ExpandPathName(kPumpName);
- file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- printf(" Reading PUMP \n");
- ReadEuclid(kPumpName,topvol);
- } else {
- printf(" THE GEOM FILE %s DOES NOT EXIST !\n",kPumpName);
- exit(1);
- }
+// Mother Volume QBPM
+ 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;
+ ppcon[13] = 0;
+ ppcon[14] = 4.22;
+// 5
+ ppcon[15] = - 28.00;
+ ppcon[16] = 0;
+ ppcon[17] = 3.2;
+// 6
+ ppcon[18] = 0;
+ ppcon[19] = 0;
+ ppcon[20] = 3.2;
+// 7
+ ppcon[21] = 28.00;
+ ppcon[22] = 0;
+ ppcon[23] = 3.2;
+// 8
+ ppcon[24] = 28.00;
+ 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;
+
+ gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
+ gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 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+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-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;
+
+ gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
+ gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 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] = 2.90;
+ ptube[1] = 3.15;
+ ptube[2] = 1.5;
+
+ gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 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");
+
+//
+// Bellows
+//
+// Mother Volume
+ ptube[0] = 2.90;
+ ptube[1] = 3.75;
+ ptube[2] = 20.40;
+ gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
+ gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
+ gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
+
+ ptube[2] = 5.70;
+
+ gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
+ gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
+ gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,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] = 9.0;
+ 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;
+
+ gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 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
//
- AliMatrix(idrotm[2001],90.,0.,90.,90.,180.,0.);
+
- gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2001],"ONLY");
+ 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[2001],"ONLY");
+ gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
+
- gMC->Gsatt("QIPM", "SEEN", 0);
- gMC->Gsatt("QBPM", "SEEN", 0);
- gMC->Gsatt("QB20", "SEEN", 0);
+ gMC->Gsatt("QIPM", "SEEN", 0);
+ gMC->Gsatt("QBPM", "SEEN", 0);
+ gMC->Gsatt("QBEM", "SEEN", 0);
}
//___________________________________________
void AliPIPEv0::CreateMaterials()
{
-// Create materials and media from Euclid file
- printf("Create PIPEv0 materials\n");
- const char *kName = "$(ALICE_ROOT)/Euclid/pipe.tme";
- char *filtmp;
- filtmp=gSystem->ExpandPathName(kName);
- FILE *file = fopen(filtmp,"r");
- delete [] filtmp;
- if(file) {
- fclose(file);
- ReadEuclidMedia(kName);
- } else {
- printf(" THE MEDIA FILE %s DOES NOT EXIST !\n",kName);
- exit(1);
- }
+ //
+ // Define materials for beam pipe
+ //
+
+ printf("Create PIPEv0 materials \n");
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
+ // Steel (Inox)
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
+ // AlBe - alloy
+ Float_t aAlBe[2] = { 26.98, 9.01};
+ Float_t zAlBe[2] = { 13.00, 4.00};
+ Float_t wAlBe[2] = { 0.4, 0.6};
+
+ //
+ // Berillium
+ AliMaterial(5, "BERILLIUM$", 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 AliPIPEv0::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];
+ }
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff