TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
//
+ TGeoRotation *segrot;//segment rotations
+ //
// outer containment vessel
//
TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
//
- TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
- TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
- TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
- TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
+ TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy
+ TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2
+ TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy
//
TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
- //-------------------------------------------------------
+ TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1);
+ //-------------------------------------------------------
// Tpc Outer Field Cage
// daughters - composite (sandwich)
//-------------------------------------------------------
//
TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
//sandwich
- TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
- TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
- TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
+ TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3
+ TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue
//
TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
//
TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
+ TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,sm1);
//
// outer part - positioning
//
- tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
+ tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv
//
- tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
+ tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc
//
- v3->AddNode(tov1,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
+ TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG");
+ TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG");
+ //
+ // assembly OCV and OFC
+ //
+ // 1st - no rotation
+ t200->AddNode(tov1,1); t200->AddNode(togv5,1);
+ t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1);
+ // 2nd - rotation 60 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(60.);
+ t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot);
+ t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot);
+ // 3rd rotation 120 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot);
+ t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot);
+ //4th rotation 180 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(180.);
+ t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot);
+ t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot);
+ //5th rotation 240 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot);
+ t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot);
+ //6th rotation 300 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(300.);
+ t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot);
+ t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot);
+ //
+ v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1);
//
v2->AddNode(v3,1); v2->AddNode(v4,1);
//
//
// segment outermost
//
- TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.9); // tedlar 38 microns
- TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.9); // prepreg2 500 microns
- TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.9); // prepreg3 300 microns
- TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.9); // nomex 2 cm
- TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.9,110.);//epoxy
- TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,119.,121.);
+ TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.6); // tedlar 38 microns
+ TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.6); // prepreg2 500 microns
+ TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.6); // prepreg3 300 microns
+ TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.6); // nomex 2 cm
+ TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.6,110.);//epoxy
+ TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.);
// volumes for the outer part
TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
//
// segment middle
//
- TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.9); // tedlar 38 microns
- TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.9); // prepreg2 250 microns
- TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.9); // prepreg3 300 microns
- TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.9); // nomex 2 cm
- TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.9,110.);//epoxy
- TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,119.,121.);
+ TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.6); // tedlar 38 microns
+ TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.6); // prepreg2 250 microns
+ TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.6); // prepreg3 300 microns
+ TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.6); // nomex 2 cm
+ TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.6,110.);//epoxy
+ TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.);
// volumes for the middle part
TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
//
// segment central part
//
- TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.9); // tedlar 38 microns
- TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.9); // prepreg3 500 microns
- TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.9); // nomex 2 cm
- TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.9,110.);//epoxy
- TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,119.,121.);
+ TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.6); // tedlar 38 microns
+ TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.6); // prepreg3 500 microns
+ TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.6); // nomex 2 cm
+ TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.6,110.);//epoxy
+ TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.);
// volumes for the central part
TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
//
TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments
- //
- //
- //
- TGeoRotation *segrot;
//
// first segment - no rotation
//
// central membrane - 2 rings and a mylar membrane - assembly
//
- TGeoTube *ih = new TGeoTube(80.1,84.1,0.2);
- TGeoTube *oh = new TGeoTube(250.25,256.75,0.2);
- TGeoTube *mem = new TGeoTube(84.1,250.25,0.01);
+ TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
+ TGeoTube *oh = new TGeoTube(250.,256.,0.5);
+ TGeoTube *mem = new TGeoTube(84.05,250.,0.01);
+
+ //
+ TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
+ //
TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
+
TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
//
TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
cm->AddNode(ihv,1);
cm->AddNode(ohv,1);
cm->AddNode(memv,1);
+
v9->AddNode(cm,1);
//
// end caps - they are make as an assembly of single segments
// pad plane and wire fixations
//
TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
- TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
//
//
//HV rods - makrolon + 0.58cm (diameter) Cu
- TGeoTube *hvr = new TGeoTube(0.,1.465,126.7);
- TGeoTube *hvc = new TGeoTube(0.,0.29,126.7);
+ TGeoTube *hvr = new TGeoTube(0.,1.465,126.5);
+ TGeoTube *hvc = new TGeoTube(0.,0.29,126.5);
//
TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
//
// guard ring resistor chain
//
- TGeoTube *gres1 = new TGeoTube(0.,0.375,249.); //outside ifc
- TGeoTube *gres2 = new TGeoTube(0.,0.375,125.);// inside ifc
+
+ TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
//
TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10);
- TGeoVolume *vgres2 = new TGeoVolume("TPC_GRES2",gres2,m10);
+
//
Double_t xrc,yrc;
//
- xrc=76.2*TMath::Cos(170.*TMath::DegToRad());
- yrc=76.2*TMath::Sin(170.*TMath::DegToRad());
- //
- v5->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,0.)); //in the insulator
- //
xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
//
- v9->AddNode(vgres2,1,new TGeoTranslation(xrc,yrc,126.9));
- v9->AddNode(vgres2,2,new TGeoTranslation(xrc,yrc,-126.9));
+ v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
+ //
+ xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
+ yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
+ //
+ v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
//------------------------------------------------------------------
TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
TGeoRotation rotrod("rotrod");
TGeoRotation *rotpos[2];
//
TGeoRotation *rotrod1[2];
+ TGeoTubeSeg *irh = new TGeoTubeSeg(78.825,79.25,1.5,358.5,1.5);
+ TGeoTubeSeg *orh = new TGeoTubeSeg(256.5,257.95,1.5,359.5,0.5);
+ TGeoTubeSeg *ohh = new TGeoTubeSeg(256.5,257.95,1.5,9.5,10.5);
+ TGeoVolume *irhv = new TGeoVolume("TPC_IRHH",irh,m4);
+ TGeoVolume *orhv = new TGeoVolume("TPC_ORHH",orh,m4);
+ TGeoVolume *ohhv = new TGeoVolume("TPC_OHVHH",ohh,m4);
//v9 - drift gas
Double_t angle,x,y;
Double_t z,r;
angle=TMath::DegToRad()*20.*(Double_t)i;
+ TGeoRotation *roth = new TGeoRotation(); //rotation for rod holders
+ roth->RotateZ(angle);
//inner rods
r=81.5;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
- z = 126.;
+ z = 126.1;
+ //
+ v9->AddNode(irhv,i+1,roth);
+ v9->AddNode(orhv,i+1,roth);
+ v9->AddNode(ohhv,i+1,roth);
//
if(i==11){//resistor rod inner
rotrod.RotateZ(-90.+angle);
r=254.25;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
- z=126.;
+ z=126.3;
//
if(i==3){//resistor rod outer
rotrod.RotateZ(90.+angle);
v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
}
if(i==15){
- v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z)); //hv->A-side only
+ v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
}
} //end of rods positioning
gMC->SetMaxNStep(-30000); // max. number of steps increased
if (fPrimaryIonisation) {
+ // for FLUKA
gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
gMC->Gstpar(idtmed[2],"STRA",4);
- } else {
- gMC->Gstpar(idtmed[2],"LOSS", 5); // specific energy loss
- }
+ }
+ // specific energy loss for geant3 is now defined in galice.cuts
AliDebug(1,"*** TPC version 2 initialized ***");
vol[1]=0; // preset row number to 0
//
- if (fPrimaryIonisation) gMC->SetMaxStep(kbig);
+ if (!fPrimaryIonisation) gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared