* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
-/*
-$Log$
-Revision 1.7 1999/09/29 09:24:14 fca
-Introduction of the Copyright and cvs Log
-
-*/
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Forward Multiplicity Detector version 0 //
-// //
-//Begin_Html
+ /////////////////////////////////////////////////////////////////////
+// //
+// Forward Multiplicity detector based on Silicon version 0 //
+//
+//Begin Html
/*
-<img src="picts/AliFMDv0Class.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>The responsible person for this module is
-<a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
-</font>
-<pre>
+<img src="gif/AliFMDv0Class.gif">
*/
-//End_Html
-// //
-///////////////////////////////////////////////////////////////////////////////
+//End Html
+// //
+// //
+//////////////////////////////////////////////////////////////////////
-#include "AliRun.h"
+#include <TMath.h>
+#include <TGeometry.h>
+#include <TTUBE.h>
+#include <TNode.h>
+#include <TLorentzVector.h>
#include "AliFMDv0.h"
+#include "AliRun.h"
#include "AliMC.h"
+#include <iostream.h>
+#include <fstream.h>
+
#include "AliMagF.h"
+#include "AliFMDhit.h"
+#include <stdlib.h>
-#include "stdlib.h"
-
+//class TGeant3;
ClassImp(AliFMDv0)
-
-//_____________________________________________________________________________
-AliFMDv0::AliFMDv0()
-{
- //
- // Default constructor for FMD version 0
- //
-}
-
-//_____________________________________________________________________________
-AliFMDv0::AliFMDv0(const char *name, const char *title)
- : AliFMD(name,title)
+
+//--------------------------------------------------------------------
+AliFMDv0::AliFMDv0(const char *name, const char *title):
+ AliFMD(name,title)
{
//
- // Standard constructor for FMD version 0
+ // Standart constructor for Forward Multiplicity Detector version 0
//
- AliModule *start = gAlice->GetModule("START");
- if(start) {
- Error("ctor","This version of FMD is incompatible with START\n");
- exit(1);
- }
+ fIdSens1=0;
+// setBufferSize(128000);
}
-
-//___________________________________________
+//-------------------------------------------------------------------------
void AliFMDv0::CreateGeometry()
{
+ //
+ // Create the geometry of Forward Multiplicity Detector version 0
//
- // Creation of the geometry of the FMD version 0
- //
- //Begin_Html
- /*
- <img src="picts/AliFMDv0Tree.gif">
- */
- //End_Html
- //Begin_Html
+ //Detector consists of 6 volumes:
+ // 1st covered pseudorapidity interval from 3.3 to 2.0
+ // and placed on 65cm in Z-direction;
+ // 2nd - from 2.0 to 1.6 and Z=85 cm;
+ // 3d - the same pseudorapidity interval as the 1st
+ // but on the other side from the interaction point z=-65cm;
+ // 4th - simmetricaly with the 2nd :
+ // pseudorapidity from 2.0 to 1.6, Z=-85cm
+ // 5th - from 3.6 to 4.7, Z=-270cm
+ // 6th - from 4.5 to 5.5 , Z=-630cm.
+ // Each part has 400mkm Si (sensetive area, detector itself),
+ // 0.75cm of plastic simulated electronics material,
+ // Al support ring 2cm thickness and 1cm width placed on
+ // the outer radius of each Si disk;
+ //
+ // begin Html
/*
- <img src="picts/AliFMDv0.gif">
+ <img src="gif/AliFMDv0.gif">
*/
- //End_Html
+ //
+
+ Int_t *idtmed = fIdtmed->GetArray();
+
+ Int_t ifmd;
+ Int_t idrotm[999];
+ Float_t zfmd,par[3];
+ char name[5];
+
+ Float_t rin[6], rout[6],zpos;
+ Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5};
+ Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5};
+ Float_t z[6]={64., 85., -64., -85., -270., -630};
+ Float_t zDet=0.04;
+ Float_t zElectronic=0.75;
+ Float_t zSupport=1.;
+ Float_t zFMD=3.;
+//-------------------------------------------------------------------
+ // FMD
+ //------------------------------------------------------------------
+
+ AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
+
+ gMC->Gsvolu("GFSI","TUBE", idtmed[1], par, 0);
+ gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
+ gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
+
+ for (ifmd =0; ifmd < 6; ifmd++){
+
+ sprintf(name,"FMD%d",ifmd);
+ printf(name);
+
+ zfmd=TMath::Abs(z[ifmd]);
+ printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
+ AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
+ AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
+
+ par[0]=rin[ifmd]; // pipe size
+ par[1]=rout[ifmd];
+ par[2]=zFMD/2;
+ gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
+
+ printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
+ if (z[ifmd] < 0){
+ gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
+ else {
+ gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
+ //Silicon detector
+ par[2]=zDet/2;
+ zpos=zFMD/2 -par[2];
+ gMC->Gsposp("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+
+ //Plastic slice for electronics
+ par[2]=zElectronic/2;
+ zpos=zpos-zDet/2-par[2];
+ gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+
+ //Simple Al support
+ par[1]=rout[ifmd];
+ par[0]=rout[ifmd]-2;
+ par[2]=zSupport/2;
+ zpos=zpos-zElectronic/2-par[2];
+ gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+
+
+ }
+ //Silicon
- Float_t rout, z;
- Float_t par[3], rin;
-
- Int_t *idtmed = fIdtmed->GetArray()-899;
-
- // ********************************************************
- // DEFINE RIGHT DISK#3 OF FMD
- // ********************************************************
-
- // Define parameters
-
- rin = 4.5;
- rout = 10.5;
- z = 85.;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1R3", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2R3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3R3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3R3", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#3 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 4.5;
- rout = 10.5;
- z = -85.;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1L3", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2L3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3L3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3L3", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
- // ********************************************************
- // DEFINE RIGHT DISK#2 OF FMD
- // ********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 14.;
- z = 69.7;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1R2", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2R2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3R2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3R2", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#2 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 14.;
- z = -69.7;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1L2", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2L2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3L2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3L2", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
- // ********************************************************
- // DEFINE RIGHT DISK#1 OF FMD
- // ********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 17.5;
- z = 42.5;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1R1", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2R1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3R1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3R1", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#1 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 17.5;
- z = -42.5;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1L1", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2L1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3L1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3L1", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#4 OF FMD
- // ***********************************************************
+
- // Define parameters
+}
+//------------------------------------------------------------------------
+void AliFMDv0::CreateMaterials()
+{
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
- rin = 4.2;
- rout = 13.;
- z = -229.5;
- // Ring #1
- par[0] = rin;
- par[1] = rout;
- par[2] = 1.5;
- gMC->Gsvolu("R1L4", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("R1L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #2
- par[0] = rout;
- par[1] = rout + .65;
- par[2] = 1.5;
- gMC->Gsvolu("R2L4", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("R2L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Ring #3
- par[0] = rout + .65;
- par[1] = rout + 5.65;
- par[2] = .025;
- gMC->Gsvolu("R3L4", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("R3L4", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
-}
+ // Plastic CH
+ Float_t aPlastic[2]={1.01,12.01};
+ Float_t zPlastic[2]={1,6};
+ Float_t wPlastic[2]={1,1};
+ Float_t denPlastic=1.03;
+ //
+
+ //*** Definition Of avaible FMD materials ***
+ AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
+ AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
+ AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
+ AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
+
-//_____________________________________________________________________________
-void AliFMDv0::DrawModule()
+//**
+ AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
+ AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
+ AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
+ AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
+
+
+
+}
+//---------------------------------------------------------------------
+void AliFMDv0::DrawDetector()
{
- //
- // Draw a shaded view of the FMD version 0
- //
+//
+// Draw a shaded view of the Forward multiplicity detector version 0
+//
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- gMC->Gsatt("R1R3","SEEN",1);
- gMC->Gsatt("R2R3","SEEN",1);
- gMC->Gsatt("R3R3","SEEN",1);
- gMC->Gsatt("R1L3","SEEN",1);
- gMC->Gsatt("R2L3","SEEN",1);
- gMC->Gsatt("R3L3","SEEN",1);
- gMC->Gsatt("R1R2","SEEN",1);
- gMC->Gsatt("R2R2","SEEN",1);
- gMC->Gsatt("R3R2","SEEN",1);
- gMC->Gsatt("R1L2","SEEN",1);
- gMC->Gsatt("R2L2","SEEN",1);
- gMC->Gsatt("R3L2","SEEN",1);
- gMC->Gsatt("R1R1","SEEN",1);
- gMC->Gsatt("R2R1","SEEN",1);
- gMC->Gsatt("R3R1","SEEN",1);
- gMC->Gsatt("R1L1","SEEN",1);
- gMC->Gsatt("R2L1","SEEN",1);
- gMC->Gsatt("R3L1","SEEN",1);
- gMC->Gsatt("R1L4","SEEN",1);
- gMC->Gsatt("R2L4","SEEN",1);
- gMC->Gsatt("R3L4","SEEN",1);
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
- gMC->Gdhead(1111, "Forward Multiplicity Detector version 0");
- gMC->Gdman(13, 9, "MAN");
+AliMC* pMC = AliMC::GetMC();
+
+//Set ALIC mother transparent
+pMC->Gsatt("ALIC","SEEN",0);
+//
+//Set volumes visible
+gMC->Gsatt("FMD0","SEEN",1);
+gMC->Gsatt("FMD1","SEEN",1);
+gMC->Gsatt("FMD2","SEEN",1);
+gMC->Gsatt("FMD3","SEEN",1);
+gMC->Gsatt("FMD4","SEEN",1);
+gMC->Gsatt("FMD5","SEEN",1);
+
+//
+gMC->Gdopt("hide","on");
+gMC->Gdopt("shad","on");
+gMC->SetClipBox(".");
+gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
+gMC->DefaultRange();
+gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
+gMC->Gdhead(1111,"Forward multiplicity detector");
+gMC->Gdopt("hide","off");
+}
+//-------------------------------------------------------------------
+void AliFMDv0::Init()
+{
+// Initialises version 0 of the Forward Multiplicity Detector
+//
+AliMC* gMC=AliMC::GetMC();
+AliFMD::Init();
+fIdSens1=gMC->VolId("GFSI");
+printf("*** FMD version 0 initialized ***\n");
+
}
-//_____________________________________________________________________________
-void AliFMDv0::CreateMaterials()
+//-------------------------------------------------------------------
+
+void AliFMDv0::StepManager()
{
//
- // Create Materials for version 0 of FMD
+ // Called for every step in the Forward Multiplicity Detector
//
+ Int_t id,copy;
+ static Float_t hits[9];
+ static Int_t vol[1];
+ static Float_t de;
+ TLorentzVector pos;
+ TLorentzVector mom;
- // Material for ring #1
- Float_t ar1[8] = { 55.8,58.7,52.,47.9,16.,28.,207.2,27. };
- Float_t zr1[8] = { 26.,28.,24.,22.,8.,14.,82.,13. };
- Float_t wr1[8] = { .27,.081,.054,.045,.18,.25,.06,.06 };
- // Material for ring #2
- Float_t ar2[3] = { 55.8,27.,16. };
- Float_t zr2[3] = { 26.,13.,8. };
- Float_t wr2[3] = { .35,.34,.31 };
- // Material for ring #3
- Float_t ar3[3] = { 28.,27.,16. };
- Float_t zr3[3] = { 14.,13.,8. };
- Float_t wr3[3] = { .37,.33,.3 };
-
- Float_t epsil, stmin, deemax, tmaxfd, stemax;
-
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
-
- // Ring #1
-
- AliMixture(1, "FMD_R1$", ar1, zr1, 2.69, 8, wr1);
-
- // Ring #2
-
- AliMixture(2, "FMD_R2$", ar2, zr2, 2.63, 3, wr2);
-
- // Ring #3
+
+ TClonesArray &lhits = *fHits;
+ AliMC* gMC=AliMC::GetMC();
+ if(!gMC->IsTrackAlive()) return; // particle has disappeared
+
+ Float_t charge = gMC->TrackCharge();
+ if(TMath::Abs(charge)<=0.) return; //take only charged particles
+
+ // ((TGeant3*)gMC)->Gpcxyz();
+
+ id=gMC->CurrentVolID(copy);
- AliMixture(3, "FMD_R3$", ar3, zr3, 3.15, 3, wr3);
- // *******************************************************
- // Defines tracking media parameters.
- // *******************************************************
- epsil = .001; // Tracking precision, DLS
- stemax = -1.; // Maximum displacement for multiple scattering
- tmaxfd = -20.; // Maximum angle due to field deflection
- deemax = -.3; // Maximum fractional energy loss, DLS
- stmin = -.8;
- // ********************************************************
- AliMedium(1, "FMD_R1_L3 ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "FMD_R2_L3 ", 2, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "FMD_R3_L3 ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
-}
+// Check the sensetive volume
+ if(id==fIdSens1)
+ {
+ if(gMC->IsTrackEntering())
+ {
+ vol[0]=copy;
+ gMC->TrackPosition(pos);
+ hits[0]=pos[0];
+ hits[1]=pos[1];
+ hits[2]=pos[2];
+
+ gMC->TrackMomentum(mom);
+ hits[3]=mom[0];
+ hits[4]=mom[1];
+ hits[5]=mom[2];
+ Int_t iPart= gMC->TrackPid();
+ Int_t partId=gMC->IdFromPDG(iPart);
+ hits[7]=partId;
+ hits[8]=1e9*gMC->TrackTime();
+ de=0.;
+ }
+ if(gMC->IsTrackInside()){
+ de=de+1000.*gMC->Edep();
+ }
+
+ if(gMC->IsTrackExiting()
+ ||gMC->IsTrackDisappeared()||
+ gMC->IsTrackStop())
+ {
+ hits[6]=de+1000.*gMC->Edep();
+ new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ } // IsTrackExiting()
+ }
+ }
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff