#include <TPDGCode.h>
#include <TString.h>
#include "AliLog.h"
+#include "AliMathBase.h"
#include "AliTrackReference.h"
#include "AliTPCParam.h"
#include "AliTPCTrackHitsV2.h"
SetBufferSize(128000);
- if (fTPCParam)
- fTPCParam->Write(fTPCParam->GetTitle());
+// if (fTPCParam)
+// fTPCParam->Write(fTPCParam->GetTitle());
}
//_____________________________________________________________________________
// here I define a volume TPC
// retrive the medium name with "TPC_" as a leading string
//
- TGeoPcon *tpc = new TGeoPcon(0.,360.,18); //18 sections
- tpc->DefineSection(0,-290.,77.,278.);
- tpc->DefineSection(1,-259.6,70.,278.);
+ TGeoPcon *tpc = new TGeoPcon(0.,360.,20); //20 sections
//
- tpc->DefineSection(2,-259.6,68.1,278.);
- tpc->DefineSection(3,-253.6,68.1,278.);
+ tpc->DefineSection(0,-291.,77.,278.);
+ tpc->DefineSection(1,-270,77.,278.);
//
- tpc->DefineSection(4,-253.6,68.,278.);
- tpc->DefineSection(5,-74.0,60.8,278.);
+ tpc->DefineSection(2,-270.,77.,278.);
+ tpc->DefineSection(3,-259.6,70.,278.);
//
- tpc->DefineSection(6,-74.0,60.1,278.);
- tpc->DefineSection(7,-73.3,60.1,278.);
+ tpc->DefineSection(4,-259.6,68.1,278.);
+ tpc->DefineSection(5,-253.6,68.1,278.);
//
- tpc->DefineSection(8,-73.3,56.9,278.);
- tpc->DefineSection(9,73.3,56.9,278.);
+ tpc->DefineSection(6,-253.6,68.,278.);
+ tpc->DefineSection(7,-74.0,60.8,278.);
//
- tpc->DefineSection(10,73.3,60.1,278.);
- tpc->DefineSection(11,74.0,60.1,278.);
+ tpc->DefineSection(8,-74.0,60.1,278.);
+ tpc->DefineSection(9,-73.3,60.1,278.);
//
- tpc->DefineSection(12,74.0,60.8,278.);
- tpc->DefineSection(13,253.6,65.5,278.);
+ tpc->DefineSection(10,-73.3,56.9,278.);
+ tpc->DefineSection(11,73.3,56.9,278.);
//
- tpc->DefineSection(14,253.6,65.6,278.);
- tpc->DefineSection(15,259.6,65.6,278.);
+ tpc->DefineSection(12,73.3,60.1,278.);
+ tpc->DefineSection(13,74.0,60.1,278.);
//
- tpc->DefineSection(16,259.6,70.0,278.);
- tpc->DefineSection(17,290.,77.,278.);
+ tpc->DefineSection(14,74.0,60.8,278.);
+ tpc->DefineSection(15,253.6,65.5,278.);
+ //
+ tpc->DefineSection(16,253.6,65.6,278.);
+ tpc->DefineSection(17,259.6,65.6,278.);
+ //
+ tpc->DefineSection(18,259.6,70.0,278.);
+ tpc->DefineSection(19,291.,77.,278.);
//
TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
//----------------------------------------------------------
TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
+ TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
+ TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
+ TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
// upper and lower rods differ in length!
delete [] upar;
upar=NULL;
TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
hvrv->AddNode(hvcv,1);
-
+ //
+ // resistor rods
+ //
+ TGeoTube *cri = new TGeoTube(0.,0.45,126.64); //inner
+ TGeoTube *cro = new TGeoTube(0.,0.45,126.54); //outer
+ TGeoTube *cwi = new TGeoTube(0.,0.15,126.64); // water inner
+ TGeoTube *cwo = new TGeoTube(0.,0.15,126.54); // water outer
+ //
+ TGeoVolume *criv = new TGeoVolume("TPC_CR_I",cri,m10);
+ TGeoVolume *crov = new TGeoVolume("TPC_CR_O",cro,m10);
+ TGeoVolume *cwiv = new TGeoVolume("TPC_W_I",cwi,m11);
+ TGeoVolume *cwov = new TGeoVolume("TPC_W_O",cwo,m11);
+ //
+ // ceramic rod with water
+ //
+ criv->AddNode(cwiv,1);
+ crov->AddNode(cwov,1);
+ //
+ TGeoTube *pri =new TGeoTube(0.2,0.35,126.64); //inner
+ TGeoTube *pro = new TGeoTube(0.2,0.35,126.54); //outer
+ //
+ // peek rod
+ //
+ TGeoVolume *priv = new TGeoVolume("TPC_PR_I",pri,m12);
+ TGeoVolume *prov = new TGeoVolume("TPC_PR_O",pro,m12);
+ //
+ // resistor rods assembly
+ //
+ TGeoRotation* rotr = new TGeoRotation("rotr");
+ rotr->RotateZ(-21.);
+ //
+ TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
+ TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
+ //
+ TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
+ TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);
+ //
+ TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
+ TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
+ rrin->AddNode(rriv,1);
+ rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
+ rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.));
+ rrin->AddNode(priv,1);
+ //
+ rrou->AddNode(rrov,1);
+ rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
+ rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.));
+ rrou->AddNode(prov,1);
+ //
for(Int_t i=0;i<18;i++){
Double_t angle,x,y;
Double_t z,r;
y=r * TMath::Sin(angle);
upar[2]=126.64; //lower
z= 126.96;
- if(i==15){
- v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));
- v9->AddNode(hvrv,2,new TGeoTranslation(x,y,-z));
- }
- else{
- gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
- gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
+ //
+ if(i==3){
+ v9->AddNode(rrin,1,new TGeoCombiTrans(x,y, z, rotr)); //A
+ v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z, rotr)); //C
+ }
+ else {
+ gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
+ gGeoManager->Node("TPC_Rod",i+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
}
+
+
+ //
r=254.25;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
upar[2]=126.54; //upper
z=127.06;
- gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
- gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ //
+ if(i==15){
+ //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
+ v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only
+ gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ }
+ else if(i==11){
+ v9->AddNode(rrou,1,new TGeoCombiTrans(x,y, z, rotr)); //A
+ v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z, rotr)); //C
+ }
+ else{
+ //
+ gGeoManager->Node("TPC_Rod",i+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
+ gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
+ }
}
delete [] upar;
const Float_t kprim = 14.35; // number of primary collisions per 1 cm
const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2
const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation
-
+ const Int_t kMaxDistRef =15; // maximal difference between 2 stored references
const Float_t kbig = 1.e10;
fTPCParam->AdjustCosSin(sector,cos,sin);
Float_t x1=p[0]*cos + p[1]*sin;
// check if within sector's limits
- if(x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()
- ||x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp()){
+ if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp())
+ ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){
// calculate real sector number...
if (x1>fTPCParam->GetOuterRadiusLow()){
sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
//
vol[0]=sector;
+
+ static Double_t lastReferenceR=0;
+ if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
+ lastReferenceR = r;
+ }
+
// check if change of sector
if(sector != fSecOld){
fSecOld=sector;
{
betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
- pp=kprim*BetheBloch(betaGamma);
+ pp=kprim*AliMathBase::BetheBlochAleph(betaGamma);
}
}
-//_____________________________________________________________________________
-Float_t AliTPCv2::BetheBloch(Float_t bg)
-{
- //
- // Bethe-Bloch energy loss formula
- //
- const Double_t kp1=0.76176e-1;
- const Double_t kp2=10.632;
- const Double_t kp3=0.13279e-4;
- const Double_t kp4=1.8631;
- const Double_t kp5=1.9479;
-
- Double_t dbg = (Double_t) bg;
-
- Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
-
- Double_t aa = TMath::Power(beta,kp4);
- Double_t bb = TMath::Power(1./dbg,kp5);
-
- bb=TMath::Log(kp3+bb);
-
- return ((Float_t)((kp2-aa-bb)*kp1/aa));
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff