Float_t hTof = fRmax-fRmin;
Float_t radius = fRmin+2.;//cm
-
+
par[0] = xtof * 0.5;
par[1] = ytof * 0.5;
par[2] = zlenC * 0.5;
gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
par[2] = zlenA * 0.5;
gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
-
-
-// Positioning of modules
-
- Float_t zcor1 = ztof0 - zlenC*0.5;
- Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
- Float_t zcor3 = 0.;
-
- AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
- AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
- gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
-
- gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
-
- gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
-
+
+
+ // Positioning of modules
+
+ Float_t zcor1 = ztof0 - zlenC*0.5;
+ Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
+ Float_t zcor3 = 0.;
+
+ AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
+ AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
+ gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
+
Float_t db = 0.5;//cm
Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
-
+
xFLT = fStripLn;
yFLT = ytof;
zFLTA = zlenA;
zFLTB = zlenB;
zFLTC = zlenC;
-
+
xFST = xFLT-fDeadBndX*2;//cm
-
-// Sizes of MRPC pads
-
+
+ // Sizes of MRPC pads
+
Float_t yPad = 0.505;//cm
-// Large not sensitive volumes with Insensitive Freon
+ // Large not sensitive volumes with Insensitive Freon
par[0] = xFLT*0.5;
par[1] = yFLT*0.5;
if (fDebug) cout << ClassName() <<
- ": ************************* TOF geometry **************************"<<endl;
-
+ ": ************************* TOF geometry **************************"<<endl;
+
par[2] = (zFLTA *0.5);
gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
-
+
par[2] = (zFLTB * 0.5);
gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
-
+
par[2] = (zFLTC * 0.5);
gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
-
-////////// Layers of Aluminum before and after detector //////////
-////////// Aluminum Box for Modules (2.0 mm thickness) /////////
-////////// lateral walls not simulated
+
+ ///// Layers of Aluminum before and after detector /////
+ ///// Aluminum Box for Modules (1.8 mm thickness) /////
+ ///// lateral walls not simulated for the time being
+ //const Float_t khAlWall = 0.18;
+ // fp to be checked
+ const Float_t khAlWall = 0.11;
par[0] = xFLT*0.5;
- par[1] = 0.1;//cm
+ par[1] = khAlWall/2.;//cm
ycoor = -yFLT/2 + par[1];
par[2] = (zFLTA *0.5);
gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
-///////////////// Detector itself //////////////////////
-
+ ///////////////// Detector itself //////////////////////
+
const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
- //and the boundary of the strip
+ //and the boundary of the strip
const Int_t knx = fNpadX; // number of pads along x
const Int_t knz = fNpadZ; // number of pads along z
const Float_t kspace = fSpace; //cm distance from the front plate of the box
-
+
Float_t zSenStrip = fZpad*fNpadZ;//cm
Float_t stripWidth = zSenStrip + 2*kdeadBound;
-
+
par[0] = xFLT*0.5;
par[1] = yPad*0.5;
par[2] = stripWidth*0.5;
-// new description for strip volume -double stack strip-
-// -- all constants are expressed in cm
-// heigth of different layers
- const Float_t khhony = 1. ; // heigth of HONY Layer
- const Float_t khpcby = 0.15 ; // heigth of PCB Layer
+ // new description for strip volume -double stack strip-
+ // -- all constants are expressed in cm
+ // heigth of different layers
+ const Float_t khhony = 0.8 ; // heigth of HONY Layer
+ const Float_t khpcby = 0.08 ; // heigth of PCB Layer
const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
- const Float_t khglasseiy = 0.17; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
+ const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
const Float_t kwsensmz = 2*3.5 ; // cm
const Float_t klsensmx = 48*2.5; // cm
const Float_t klstripx = 122.;
Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
-// coordinates of the strip center in the strip reference frame; used for positioning
-// internal strip volumes
+ // coordinates of the strip center in the strip reference frame; used for positioning
+ // internal strip volumes
Float_t posfp[3]={0.,0.,0.};
-
+
// FSTR volume definition and filling this volume with non sensitive Gas Mixture
gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
//-- HONY Layer definition
-// parfp[0] = -1;
+ // parfp[0] = -1;
parfp[1] = khhony*0.5;
-// parfp[2] = -1;
+ // parfp[2] = -1;
gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
// positioning 2 HONY Layers on FSTR volume
-
+
posfp[1]=-khstripy*0.5+parfp[1];
gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+
//-- PCB Layer definition
parfp[1] = khpcby*0.5;
gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
// positioning the central PCB layer
gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
-
-
-
+
+
+
//-- MYLAR Layer definition
parfp[1] = khmyly*0.5;
gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
posfp[1] = khpcby*0.5+parfp[1];
gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
-
+
+
//-- Graphite Layer definition
parfp[1] = khgraphy*0.5;
gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
posfp[1] = khpcby*0.5+khmyly+parfp[1];
gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
-
+
+
//-- Glass (EXT. +Semi INT.) Layer definition
parfp[1] = khglasseiy*0.5;
gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+
//-- Sensitive Mixture Layer definition
parfp[0] = klsensmx*0.5;
posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
-
+
// dividing FSEN along z in knz=2 and along x in knx=48
gMC->Gsdvn("FSEZ","FSEN",knz,3);
gMC->Gsdvn("FSEX","FSEZ",knx,1);
// positioning the FPAD volumes on previous divisions
gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
-//// Positioning the Strips (FSTR) in the FLT volumes /////
-
+ //// Positioning the Strips (FSTR) in the FLT volumes /////
+
// Plate A (Central)
Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
-
+
Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
Float_t zpos = 0;
Float_t ang = 0;
nrot = 0;
zcoor = 0;
ycoor = -14.5 + kspace ; //2 cm over front plate
-
+
AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
}
zcoor -= zSenStrip;
j++;
Int_t upDown = -1; // upDown=-1 -> Upper strip
- // upDown=+1 -> Lower strip
+ // upDown=+1 -> Lower strip
do{
- ang = atan(zcoor/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
- AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
- ang /= kRaddeg;
- ycoor = -14.5+ kspace; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*gap;
- gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
- gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- j += 2;
- upDown*= -1; // Alternate strips
- zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
+ ang = atan(zcoor/radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
+ AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
+ ang /= kRaddeg;
+ ycoor = -14.5+ kspace; //2 cm over front plate
+ ycoor += (1-(upDown+1)/2)*gap;
+ gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
+ gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
+ if(fDebug) {
+ printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ }
+ j += 2;
+ upDown*= -1; // Alternate strips
+ zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
+ upDown*gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
} while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
- upDown*gap*TMath::Tan(ang)+
- (zSenStrip/2)/TMath::Cos(ang);
-
+ upDown*gap*TMath::Tan(ang)+
+ (zSenStrip/2)/TMath::Cos(ang);
+
gap = fGapB;
zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
-
+ upDown*gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+
ang = atan(zcoor/radius);
ang *= kRaddeg;
AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
ang /= kRaddeg;
-
+
ycoor = -14.5+ kspace; //2 cm over front plate
ycoor += (1-(upDown+1)/2)*gap;
gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
}
ycoor = -hTof/2.+ kspace;//2 cm over front plate
-
+
// Plate B
-
+
nrot = 0;
i=1;
upDown = 1;
Float_t deadRegion = 1.0;//cm
zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang)-
- deadRegion/TMath::Cos(ang);
-
+ upDown*gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang)-
+ deadRegion/TMath::Cos(ang);
+
ang = atan(zpos/radius);
ang *= kRaddeg;
AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
}
i++;
upDown*=-1;
-
+
do {
- zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
- Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
- ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
- zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
- gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- upDown*=-1;
- i++;
+ zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
+ upDown*gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+ ang = atan(zpos/radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
+ Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
+ ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
+ ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
+ zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
+ gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ if(fDebug) {
+ printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ }
+ upDown*=-1;
+ i++;
} while (TMath::Abs(ang*kRaddeg)<22.5);
//till we reach a tilting angle of 22.5 degrees
-
+
ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
zpos = zpos - zSenStrip/TMath::Cos(ang);
// this avoid overlaps in between outer strips in plate B
Float_t deltaMovingUp=0.8; // [cm]
Float_t deltaMovingDown=-0.5; // [cm]
-
+
do {
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- zcoor = zpos+(zFLTB/2+zFLTA/2+db);
- gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
- deltaMovingUp+=0.8; // update delta moving toward the end of the plate
- zpos = zpos - zSenStrip/TMath::Cos(ang);
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- i++;
-
+ ang = atan(zpos/radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ zcoor = zpos+(zFLTB/2+zFLTA/2+db);
+ gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
+ deltaMovingUp+=0.8; // update delta moving toward the end of the plate
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
+ if(fDebug) {
+ printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ }
+ i++;
+
} while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
-
+
// Plate C
zpos = zpos + zSenStrip/TMath::Cos(ang);
-
+
zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
- gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
-
+ gap*TMath::Tan(ang)-
+ (zSenStrip/2)/TMath::Cos(ang);
+
nrot = 0;
i=0;
Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
ycoor= -hTof*0.5+kspace+gap+deltaGap;
-
+
do {
- i++;
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
- gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ i++;
+ ang = atan(zpos/radius);
+ ang *= kRaddeg;
+ AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
+ ang /= kRaddeg;
+ zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
+ gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
+ if(fDebug) {
+ printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
+ printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
}
- zpos = zpos - zSenStrip/TMath::Cos(ang);
+ zpos = zpos - zSenStrip/TMath::Cos(ang);
} while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
-
-////////// Layers after strips /////////////////
-// honeycomb (Polyethilene) Layer after (1.2cm)
-
+
+ ////////// Layers after strips /////////////////
+ // Al Layer thickness (2.3mm) factor 0.7
+
Float_t overSpace = fOverSpc;//cm
-
+
par[0] = xFLT*0.5;
- par[1] = 0.6;
+ par[1] = 0.115*0.7; // factor 0.7
par[2] = (zFLTA *0.5);
ycoor = -yFLT/2 + overSpace + par[1];
- gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// Electronics (Cu) after
+
+
+ // plexiglass thickness: 1.5 mm ; factor 0.3
ycoor += par[1];
par[0] = xFLT*0.5;
- par[1] = 1.43*0.05*0.5; // 5% of X0
+ par[1] = 0.075*0.3; // factor 0.3
par[2] = (zFLTA *0.5);
ycoor += par[1];
- gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// cooling WAter after
- ycoor += par[1];
- par[0] = xFLT*0.5;
- par[1] = 36.1*0.02*0.5; // 2% of X0
- par[2] = (zFLTA *0.5);
- ycoor += par[1];
- gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
- par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
- par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// frame of Air
+
+ // frame of Air
ycoor += par[1];
par[0] = xFLT*0.5;
- par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
+ par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
par[2] = (zFLTA *0.5);
ycoor += par[1];
gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-/* fp
-//Back Plate honycomb (2cm)
- par[0] = -1;
- par[1] = 2 *0.5;
- par[2] = -1;
- ycoor = yFLT/2 - par[1];
- gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-fp */
+
+
+ // start with cards and cooling tubes
+ // finally, cards, cooling tubes and layer for thermal dispersion
+ // 3 volumes
+ // card volume definition
+
+ // see GEOM200 in GEANT manual
+ AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
+
+ Float_t cardpar[3];
+ cardpar[0]= 61.;
+ cardpar[1]= 5.;
+ cardpar[2]= 0.1;
+ gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
+ //alu plate volume definition
+ cardpar[1]= 3.5;
+ cardpar[2]= 0.05;
+ gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
+
+
+ // central module positioning (FAIA)
+ Float_t cardpos[3], aplpos2, stepforcardA=6.625;
+ cardpos[0]= 0.;
+ cardpos[1]= -0.5;
+ cardpos[2]= -53.;
+ Float_t aplpos1 = -2.;
+ Int_t icard;
+ for (icard=0; icard<15; ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardA;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+
+ }
+
+
+ // intermediate module positioning (FAIB)
+ Float_t stepforcardB= 7.05;
+ cardpos[2]= -70.5;
+ for (icard=0; icard<19; ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardB;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+ }
+
+
+ // outer module positioning (FAIC)
+ Float_t stepforcardC= 8.45238;
+ cardpos[2]= -88.75;
+ for (icard=0; icard<20; ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardC;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+ }
+
+ // tube volume definition
+ Float_t tubepar[3];
+ tubepar[0]= 0.;
+ tubepar[1]= 0.4;
+ tubepar[2]= 61.;
+ gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
+ tubepar[0]= 0.;
+ tubepar[1]= 0.35;
+ tubepar[2]= 61.;
+ gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
+ // positioning water tube into the steel one
+ gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
+
+
+ // rotation matrix
+ AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
+ // central module positioning (FAIA)
+ Float_t tubepos[3], tdis=0.6;
+ tubepos[0]= 0.;
+ tubepos[1]= cardpos[1];
+ tubepos[2]= -53.+tdis;
+ // tub1pos = 5.;
+ Int_t itub;
+ for (itub=0; itub<15; ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardA;
+ gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+
+
+ // intermediate module positioning (FAIB)
+ tubepos[2]= -70.5+tdis;
+ for (itub=0; itub<19; ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardB;
+ gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+
+ // outer module positioning (FAIC)
+ tubepos[2]= -88.75+tdis;
+ for (itub=0; itub<20; ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardC;
+ gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+
}
//_____________________________________________________________________________