/*
$Log$
+Revision 1.19 2002/03/25 12:34:40 morsch
+Obsolete support rollers removed.
+
+Revision 1.18 2002/02/01 18:02:41 morsch
+Material of beam pipe between inner Be piece and forward detectors
+can be set by SetPipeMaterial(mat), mat = kInox, kAlu, kBe ...
+
+Revision 1.17 2001/09/24 13:11:50 morsch
+Ion pump and bellows moved out by 15 cm to make space for forward
+detectors.
+
+Revision 1.16 2001/05/16 14:57:22 alibrary
+New files for folders and Stack
+
+Revision 1.15 2001/05/02 11:50:18 morsch
+New layout of the non-absorber side provided by Y. Viyogi. Not the final design
+but the prsent most realistic.
+
+Revision 1.14 2001/01/20 16:56:33 morsch
+Put air in connecting tubes and flanges of vacuum pump.
+
+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
#include "AliMagF.h"
#include "AliMC.h"
#include "TSystem.h"
+
+#include <iostream.h>
ClassImp(AliPIPEv0)
AliPIPEv0::AliPIPEv0()
{
// Constructor
+ SetPipeMaterial();
}
//_____________________________________________________________________________
: AliPIPE(name,title)
{
// Constructor
+ SetPipeMaterial();
}
*/
//End_Html
- printf("Create PIPEv0 geometry \n");
+ if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName());
Int_t *idtmed = fIdtmed->GetArray();
- Float_t ppcon[36], ptube[3], pbox[3];
+ Float_t ppcon[84], ptube[3], pbox[3];
Int_t i=0;
- enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15};
Int_t idrotm[2099];
AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
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
+ const Float_t dzbb = 9.0;
+// total size of bellow section
+ const Float_t dzb = 15.0;
+// size of undulated region
+ const Float_t dzub = 2.0;
+
+// 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 = dzb;
+//
+// 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+dzb;
+//
+// Inner beam pipe radius
+ Float_t RinBe = 2.9;
+ Float_t RinSt = 2.92;
+//
+//
+ Float_t RoutBe = 2.98;
+ Float_t RoutSt = 3.00;
+//
+ Float_t dz;
//
// The peam pipe up to the Front Absorber
//
// Mother Volume QBPM
- ppcon[0] = 0;
- ppcon[1] = 360;
- ppcon[2] = 11;
+ ppcon[0] = 0;
+ ppcon[1] = 360;
+ ppcon[2] = 18;
// 1:
- ppcon[3] = - 90;
- ppcon[4] = 0;
- ppcon[5] = 5.8;
+ ppcon[3] = -90.;
+ ppcon[4] = 0.;
+ ppcon[5] = 4.4;
// 2
- ppcon[6] = - 81.0;
- ppcon[7] = 0.;
- ppcon[8] = 5.8;
+ ppcon[6] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1];
+ ppcon[7] = 0.;
+ ppcon[8] = 4.4;
// 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;
+ ppcon[9] = ppcon[6];
+ ppcon[10] = 0.;
+ ppcon[11] = 4.1;
+// 4
+ ppcon[12] = ppcon[9] + 2. + 2.*dzub+0.2;
+ ppcon[13] = 0.;
+ ppcon[14] = 4.1;
+// 5
+ ppcon[15] = ppcon[12];
+ ppcon[16] = 0.;
+ ppcon[17] = 3.2;
+// 6
+ ppcon[18] = ppcon[15] + 2.* dzbb-0.4;
+ ppcon[19] = 0.;
+ ppcon[20] = 3.2;
// 7
- ppcon[21] = 28.00;
- ppcon[22] = 0;
- ppcon[23] = 3.2;
+ ppcon[21] = ppcon[18];
+ ppcon[22] = 0.;
+ ppcon[23] = 4.1;
// 8
- ppcon[24] = 28.00;
- ppcon[25] = 0;
- ppcon[26] = 4.22;
+ ppcon[24] = -44.;
+ ppcon[25] = 0.;
+ ppcon[26] = 4.1;
// 9
- ppcon[27] = 250;
+ ppcon[27] = -44.;
ppcon[28] = 0;
- ppcon[29] = 4.22;
-// 10
- ppcon[30] = 250;
+ ppcon[29] = 3.0;
+// 10
+ ppcon[30] = 38.;
ppcon[31] = 0;
- ppcon[32] = 5;
-// 11
- ppcon[33] = 800;
+ ppcon[32] = 3.0;
+// 11
+ ppcon[33] = 38.;
ppcon[34] = 0;
- ppcon[35] = 5;
-
- gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
+ ppcon[35] = 3.6;
+// 12
+ ppcon[36] = hlenQbbe1+2.*hlenQbab-0.1;
+ ppcon[37] = 0.;
+ ppcon[38] = 3.6;
+// 13
+ ppcon[39] = ppcon[36];
+ ppcon[40] = 0.;
+ ppcon[41] = 3.6;
+// 14
+ ppcon[42] = ppcon[39]+2.*hlenQb29-5.;
+ ppcon[43] = 0.;
+ ppcon[44] = 3.6;
+// 15
+ ppcon[45] = ppcon[42];
+ ppcon[46] = 0.;
+ ppcon[47] = 56.;
+// 16
+ ppcon[48] = ppcon[45]+2.*dzb+10.;
+ ppcon[49] = 0.;
+ ppcon[50] = 56.;
+// 17
+ ppcon[51] = ppcon[48];
+ ppcon[52] = 0.;
+ ppcon[53] = 3.6;
+// 18
+ ppcon[54] = 800.;
+ ppcon[55] = 0.;
+ ppcon[56] = 3.6;
+
+ gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,57);
+
+
+//
+// volume definitions of various sections
+//
//
// The Vacuum
+ gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0);
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");
+ ptube[1] = RinSt;
+ 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] = RinBe;
+ 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] = RinSt;
+ 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] = 2.90;
- ptube[1] = 3.00;
- ptube[2] = 28.25;
+// Be Pipe in central Alice
+ ptube[0] = RinBe;
+ ptube[1] = RoutBe;
+ ptube[2] = hlenQbbe;
gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
- gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
//
-// Metal-Metal Transitions
+// Support Ring
//
-// 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");
+ // 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] = RinSt;
+ ppcon[5] = 5.8;
+// 2
+ ppcon[6] = ppcon[3]+3.6;
+ ppcon[7] = RinSt;
+ ppcon[8] = 5.8;
+// 3
+ ppcon[9] = ppcon[6];
+ ppcon[10] = RinSt;
+ ppcon[11] = 3.6;
+// 4
+ ppcon[12] = hlenQb29;
+ ppcon[13] = RinSt;
+ ppcon[14] = 3.6;
+
+ gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15);
+
+
+// Flange
+ ptube[0] = RinSt;
+ 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] = RinSt;
+ ptube[1] = 3.0;
+ 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] = RinSt;
+ 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] = 2.900;
- ptube[1] = 3.150;
- ptube[2] = 0.375;
- //
- // Be-part
- gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
+ ptube[0] = RinSt;
+ ptube[1] = RoutSt;
+ ptube[2] = hlenQb28;
- ptube[1] = 3.000;
- gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
+ gMC->Gsvolu("QB28","TUBE", idtmed[kInox], 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;
+// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
+//
+// This section is under study (A.M. 1/2/2002)
+//
- 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;
+ ptube[0] = RinBe;
+ if (fPipeMaterial == kAlu) {
+ ptube[1] = 3.0;
+ } else if (fPipeMaterial == kBe) {
+ ptube[1] = RoutBe;
+ } else if (fPipeMaterial == kInox){
+ ptube[1] = RoutSt;
+ }
+ ptube[2] = hlenQbab;
- 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("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("QB07","TUBE", idtmed[kC], ptube, 3);
+ 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]= -dzb;
+ pconQBE0[ 4]= RinSt;
+ pconQBE0[ 5]= RoutSt;
+// 2
+ pconQBE0[ 6]= -dzb+2.;
+ pconQBE0[ 7]= RinSt;
+ pconQBE0[ 8]= RoutSt;
+// 3
+ pconQBE0[ 9]= -dzb+2.;
+ pconQBE0[10]= RinSt;
+ pconQBE0[11]= 4.00;
+// 4
+ pconQBE0[12]= -dzb+2.+2.*dzub;
+ pconQBE0[13]= RinSt;
+ pconQBE0[14]= 4.00;
+// 5
+ pconQBE0[15]= -dzb+2.+2.*dzub;
+ pconQBE0[16]= RinSt;
+ pconQBE0[17]= RoutSt;
+// 6
+ pconQBE0[18]= -dzb+2.+2.*dzub+2.*dzbb;
+ pconQBE0[19]= RinSt;
+ pconQBE0[20]= RoutSt;
+// 7
+ pconQBE0[21]= -dzb+2.+2.*dzub+2.*dzbb;
+ pconQBE0[22]= RinSt;
+ pconQBE0[23]= 4.00;
+// 8
+ pconQBE0[24]= -dzb+2.+4.*dzub+2.*dzbb;
+ pconQBE0[25]= RinSt;
+ pconQBE0[26]= 4.00;
+// 9
+ pconQBE0[27]= -dzb+2.+4.*dzub+2.*dzbb;
+ pconQBE0[28]= RinSt;
+ pconQBE0[29]= RoutSt;
+// 10
+ pconQBE0[30]= +dzb;
+ pconQBE0[31]= RinSt;
+ pconQBE0[32]= RoutSt;
+ gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33);
+//
+// Undulated piece mother
+ ptube[0] = RinSt;
+ ptube[1] = 4.00;
+ ptube[2] = dzub;
+ gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
+ dz = -dzb+2.+dzub;
+ 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.*dzub-12.*uw;
+ Float_t uz = ur/13.;
+ Float_t ut = uz+uw;
+
+ pund[ 0] = 0;
+ pund[ 1] = 360;
+ pund[ 2] = 9;
+
+ pund[ 3] = -ut;
+ pund[ 4] = RinSt;
+ pund[ 5] = RinSt+uw;
+
+ pund[ 6] = -ut+uz;
+ pund[ 7] = pund[4];
+ pund[ 8] = pund[5];
+
+ pund[ 9] = pund[6];
+ pund[10] = pund[4];
+ pund[11] = 4.0;
+
+ pund[12] = pund[9]+uw;
+ pund[13] = pund[10];
+ pund[14] = pund[11];
+
+ pund[15] = pund[12];
+ pund[16] = 4.0-uw;
+ pund[17] = pund[14];
+
+ pund[18] = pund[12]+uz;
+ pund[19] = pund[16];
+ pund[20] = pund[17];
+
+ pund[21] = pund[18];
+ pund[22] = RinSt;
+ pund[23] = pund[20];
+
+ pund[24] = pund[21]+uw;
+ pund[25] = pund[22];
+ pund[26] = pund[23];
+
+ pund[27] = pund[24];
+ pund[28] = pund[25];
+ pund[29] = RinSt+uw;
+
+ gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 30);
+
+ for (i = 0; i < 6; i++)
+ {
+ dz = -dzub+(1+2*i)*ut;
+ gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY");
+ }
+ ptube[0] = RinSt;
+ ptube[1] = RinSt+uw;
+ ptube[2] = uz;
+ gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3);
+ gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, dzub-uz, 0 , "ONLY");
+//
+// BeamPipe
+ gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0);
+ ptube[0] = RinSt;
+ ptube[1] = RoutSt;
+ ptube[2] = 1.;
+ gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -dzb+1., 0 , "ONLY", ptube, 3);
+ gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, dzb-1., 0 , "ONLY", ptube, 3);
+ ptube[2] = dzbb;
+ gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3);
+//
+// End undulated part
+//
+//
+// ----> 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");
- 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");
+ // 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 *********
-//
-// Be-Alu
-// Mother Volume
+ //
+ // **** 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);
- gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
+ // 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[1] = 3.000;
gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
- gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
+ 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");
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");
-
-//
-// 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");
+// Beam pipes between elements
//
- 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] = 14.70;
- 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");
-
+ gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0);
+ ptube[0] = RinSt;
+ ptube[1] = RoutSt;
+ ptube[2] = hlenQb24[0];
+ dz = hlenQbbe2 + ptube[2];
+ gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
//
-// 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
+// Bellow on absorber side
+ dz = dz+hlenQb24[0] + dzb;
+ gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
//
-// beam pipe between metal-metal transition and bellows
- ptube[0] = 2.9;
- ptube[1] = 3.0;
- ptube[2] = 3.575;
+ ptube[2] = hlenQb24[1];
+ dz = dz + dzb + ptube[2];
+ gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
+ dz = dz + ptube[2];
- 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[0] = RinSt;
ptube[1] = 4.300;
- ptube[2] = 1.400;
+ ptube[2] = 1.4;
- gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
- gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
+ 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];
//
-// 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] = RinSt;
+ ptube[1] = RoutSt;
+ ptube[2] = hlenQb24[2];
+ dz = dz + ptube[2];
+ gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
- 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
+// by rotating it to 180 deg. and make it invisible
//
-
-
gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
+
//
-// Ion Pump
+// ******** Ion Pump volume description starts here ******
//
- ptube[0] = 5.;
- ptube[1] = 55.;
- ptube[2] = 20.;
- gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
//
// Getters ->
pbox[0] = 6.50;
ptube[0] = 0.0;
ptube[1] = 15.0;
ptube[2] = 2.5;
- gMC->Gsvolu("QI43","TUBE", idtmed[kInox], ptube, 3);
+ 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;
+ ptube[2] = 14.6;
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[kInox], ptube, 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] = 0.00;
+ ptube[0] = 5.41;
ptube[1] = 7.30;
ptube[2] = 2.15;
gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
-
- ptube[0] = 4.80;
- ptube[1] = 7.30;
- 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, "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->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);
+ gMC->Gsatt("QBPM", "SEEN", 1);
+ gMC->Gsatt("QBEM", "SEEN", 1);
}
-
-//___________________________________________
-void AliPIPEv0::DrawModule()
-{
-// Set drawing options
- ;
-}
+
//___________________________________________
void AliPIPEv0::CreateMaterials()
{
- printf("Create PIPEv0 materials \n");
//
- // Define materials for muon absorber
+ // 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$", 9.01, 4., 1.848, 35.3, 36.7);
//
// reduced density steel to approximate pump getter material
AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
+ // Al-Be alloy
+ //
+ AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
//
// ****************
// Defines tracking media parameters.
//
// Getter
AliMedium(20, "GETTER", 20, 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.
//
+ // AlBe - Aloy
+ AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- 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