X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PMD%2FAliPMDv0.cxx;h=5ee8ce8d1cb7432e1be134f98c80adc25689bfbc;hb=e6f8c0a64a3a02d53b3f8cae90c1e7daa31b8431;hp=0695a190719951b50f74fb8cdfe387387dd93504;hpb=93bdec82e722449ca7d6e53477e8086ca2369103;p=u%2Fmrichter%2FAliRoot.git diff --git a/PMD/AliPMDv0.cxx b/PMD/AliPMDv0.cxx index 0695a190719..5ee8ce8d1cb 100644 --- a/PMD/AliPMDv0.cxx +++ b/PMD/AliPMDv0.cxx @@ -12,20 +12,8 @@ * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ -/* -$Log$ -Revision 1.14 2001/05/21 17:44:04 hristov -Backslash to continue strings - -Revision 1.13 2001/05/21 10:59:09 morsch -Printouts in debug mode only. - -Revision 1.12 2001/05/21 09:39:28 morsch -Minor modifications on the geometry. (Tapan Nayak) -Revision 1.11 2001/05/14 14:01:04 morsch -AliPMDv0 coarse geometry and AliPMDv1 detailed simulation, completely revised versions by Tapan Nayak. -*/ +/* $Id$ */ // /////////////////////////////////////////////////////////////////////////////// @@ -41,38 +29,55 @@ AliPMDv0 coarse geometry and AliPMDv1 detailed simulation, completely revised ve /////////////////////////////////////////////////////////////////////////////// //// -#include "AliPMDv0.h" -#include "AliRun.h" -#include "AliMC.h" +#include "Riostream.h" +#include #include "AliConst.h" #include "AliMagF.h" -#include "Riostream.h" - -static Int_t kdet, ncell_sm, ncell_hole; -static Float_t zdist, zdist1; -static Float_t sm_length, sm_thick, cell_radius, cell_wall, cell_depth; -static Float_t boundary, th_base, th_air, th_pcb; -static Float_t th_lead, th_steel; +#include "AliPMDv0.h" +#include "AliRun.h" +#include "AliMC.h" +#include "AliLog.h" + +const Int_t AliPMDv0::fgkNcellHole = 24; // Hole dimension +const Float_t AliPMDv0::fgkCellRadius = 0.25; // Radius of a hexagonal cell +const Float_t AliPMDv0::fgkCellWall = 0.02; // Thickness of cell Wall +const Float_t AliPMDv0::fgkCellDepth = 0.50; // Gas thickness +const Float_t AliPMDv0::fgkBoundary = 0.7; // Thickness of Boundary wall +const Float_t AliPMDv0::fgkThBase = 0.3; // Thickness of Base plate +const Float_t AliPMDv0::fgkThAir = 0.1; // Thickness of Air +const Float_t AliPMDv0::fgkThPCB = 0.16; // Thickness of PCB +const Float_t AliPMDv0::fgkThLead = 1.5; // Thickness of Pb +const Float_t AliPMDv0::fgkThSteel = 0.5; // Thickness of Steel +const Float_t AliPMDv0::fgkZdist = 361.5; // z-position of the detector +const Float_t AliPMDv0::fgkSqroot3 = 1.7320508;// Square Root of 3 +const Float_t AliPMDv0::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2 +const Float_t AliPMDv0::fgkPi = 3.14159; // pi ClassImp(AliPMDv0) - //_____________________________________________________________________________ - AliPMDv0::AliPMDv0() +//_____________________________________________________________________________ +AliPMDv0::AliPMDv0(): + fSMthick(0.), + fSMLength(0.), + fMedSens(0), + fNcellSM(0) { // // Default constructor // - fMedSens=0; } //_____________________________________________________________________________ -AliPMDv0::AliPMDv0(const char *name, const char *title) - : AliPMD(name,title) +AliPMDv0::AliPMDv0(const char *name, const char *title): + AliPMD(name,title), + fSMthick(0.), + fSMLength(0.), + fMedSens(0), + fNcellSM(0) { // // Standard constructor // - fMedSens=0; } //_____________________________________________________________________________ @@ -171,156 +176,146 @@ void AliPMDv0::CreateSupermodule() Float_t xb, yb, zb; Int_t number; Int_t ihrotm,irotdm; - const Float_t root3_2 = TMath::Sqrt(3.) /2.; Int_t *idtmed = fIdtmed->GetArray()-599; AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.); AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.); - zdist = TMath::Abs(zdist1); - - //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension //(1mm tolerance on both side and 5mm thick G10 wall) // - // **** CELL SIZE 20 mm^2 EQUIVALENT - // Inner hexagon filled with gas (Ar+CO2) Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23}; - hexd2[4]= - cell_depth/2.; - hexd2[7]= cell_depth/2.; - hexd2[6]= cell_radius - cell_wall; - hexd2[9]= cell_radius - cell_wall; + hexd2[4]= -fgkCellDepth/2.; + hexd2[7]= fgkCellDepth/2.; + hexd2[6]= fgkCellRadius - fgkCellWall; + hexd2[9]= fgkCellRadius - fgkCellWall; - // Gas replaced by vacuum for v0(insensitive) version of PMD. + // Gas replaced by vacuum for v0(insensitive) version of PMD. gMC->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10); gMC->Gsatt("ECAR", "SEEN", 0); - + // Outer hexagon made of Copper - + Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; - //total wall thickness=0.2*2 - hexd1[4]= - cell_depth/2.; - hexd1[7]= cell_depth/2.; - hexd1[6]= cell_radius; - hexd1[9]= cell_radius; + hexd1[4]= -fgkCellDepth/2.; + hexd1[7]= fgkCellDepth/2.; + hexd1[6]= fgkCellRadius; + hexd1[9]= fgkCellRadius; gMC->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10); gMC->Gsatt("ECCU", "SEEN", 1); // --- place inner hex inside outer hex - gMC->Gsposp("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY", hexd2, 10); - -// Rhombus shaped supermodules (defined by PARA) + gMC->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY"); -// volume for SUPERMODULE + // Rhombus shaped supermodules (defined by PARA) + + // volume for SUPERMODULE - Float_t dpara_sm1[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_sm1[0]=(ncell_sm+0.25)*hexd1[6] ; - dpara_sm1[1] = dpara_sm1[0] *root3_2; - dpara_sm1[2] = sm_thick/2.; - -// - gMC->Gsvolu("ESMA","PARA", idtmed[607], dpara_sm1, 6); + Float_t dparasm1[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparasm1[0] = (fNcellSM+0.25)*hexd1[6] ; + dparasm1[1] = dparasm1[0] *fgkSqroot3by2; + dparasm1[2] = fSMthick/2.; + + // + gMC->Gsvolu("ESMA","PARA", idtmed[607], dparasm1, 6); gMC->Gsatt("ESMA", "SEEN", 0); // - gMC->Gsvolu("ESMB","PARA", idtmed[607], dpara_sm1, 6); + gMC->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6); gMC->Gsatt("ESMB", "SEEN", 0); - + // Air residing between the PCB and the base - - Float_t dpara_air[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_air[0]= dpara_sm1[0]; - dpara_air[1]= dpara_sm1[1]; - dpara_air[2]= th_air/2.; - - gMC->Gsvolu("EAIR","PARA", idtmed[698], dpara_air, 6); + + Float_t dparaair[6] = {12.5,12.5,8.,30.,0.,0.}; + dparaair[0]= dparasm1[0]; + dparaair[1]= dparasm1[1]; + dparaair[2]= fgkThAir/2.; + + gMC->Gsvolu("EAIR","PARA", idtmed[698], dparaair, 6); gMC->Gsatt("EAIR", "SEEN", 0); - + // volume for honeycomb chamber EHC1 - + Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.}; - dpara1[0] = dpara_sm1[0]; - dpara1[1] = dpara_sm1[1]; - dpara1[2] = cell_depth/2.; + dpara1[0] = dparasm1[0]; + dpara1[1] = dparasm1[1]; + dpara1[2] = fgkCellDepth/2.; gMC->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6); gMC->Gsatt("EHC1", "SEEN", 1); - - // Place hexagonal cells ECCU cells inside EHC1 (72 X 72) - Int_t xrow=1; + Int_t xrow = 1; - yb = -dpara1[1] + (1./root3_2)*hexd1[6]; + yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6]; zb = 0.; - for (j = 1; j <= ncell_sm; ++j) { + for (j = 1; j <= fNcellSM; ++j) { xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg) if(xrow >= 2){ xb = xb+(xrow-1)*hexd1[6]; } - for (i = 1; i <= ncell_sm; ++i) { - number = i+(j-1)*ncell_sm; - gMC->Gsposp("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY", hexd1,10); + for (i = 1; i <= fNcellSM; ++i) { + number = i+(j-1)*fNcellSM; + gMC->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY"); xb += (hexd1[6]*2.); } xrow = xrow+1; - yb += (hexd1[6]*TMath::Sqrt(3.)); + yb += (hexd1[6]*fgkSqroot3); } // Place EHC1 and EAIR into ESMA and ESMB - Float_t z_air1,z_air2,z_gas; + Float_t zAir1,zAir2,zGas; //ESMA is normal supermodule with base at bottom, with EHC1 - z_air1= -dpara_sm1[2] + th_base + dpara_air[2]; - gMC->Gspos("EAIR", 1, "ESMA", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara_air[2]+ th_pcb + dpara1[2]; + zAir1= -dparasm1[2] + fgkThBase + dparaair[2]; + gMC->Gspos("EAIR", 1, "ESMA", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC1", 1, "ESMA", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara1[2]+ th_pcb + dpara_air[2]; - gMC->Gspos("EAIR", 2, "ESMA", 0., 0., z_air2, 0, "ONLY"); + // gMC->Gspos("EHC1", 1, "ESMA", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; + gMC->Gspos("EAIR", 2, "ESMA", 0., 0., zAir2, 0, "ONLY"); // ESMB is mirror image of ESMA, with base at top, with EHC1 - z_air1= -dpara_sm1[2] + th_pcb + dpara_air[2]; - gMC->Gspos("EAIR", 3, "ESMB", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara_air[2]+ th_pcb + dpara1[2]; + zAir1= -dparasm1[2] + fgkThPCB + dparaair[2]; + gMC->Gspos("EAIR", 3, "ESMB", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC1", 2, "ESMB", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara1[2]+ th_pcb + dpara_air[2]; - gMC->Gspos("EAIR", 4, "ESMB", 0., 0., z_air2, 0, "ONLY"); - + // gMC->Gspos("EHC1", 2, "ESMB", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2]; + gMC->Gspos("EAIR", 4, "ESMB", 0., 0., zAir2, 0, "ONLY"); -// special supermodule EMM2(GEANT only) containing 6 unit modules -// volume for SUPERMODULE + // special supermodule EMM2(GEANT only) containing 6 unit modules + // volume for SUPERMODULE - Float_t dpara_sm2[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_sm2[0]=(ncell_sm+0.25)*hexd1[6] ; - dpara_sm2[1] = (ncell_sm - ncell_hole + 0.25) * root3_2 * hexd1[6]; - dpara_sm2[2] = sm_thick/2.; + Float_t dparasm2[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparasm2[0]=(fNcellSM+0.25)*hexd1[6] ; + dparasm2[1] = (fNcellSM - fgkNcellHole + 0.25) * fgkSqroot3by2 * hexd1[6]; + dparasm2[2] = fSMthick/2.; - gMC->Gsvolu("ESMX","PARA", idtmed[607], dpara_sm2, 6); + gMC->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6); gMC->Gsatt("ESMX", "SEEN", 0); // - gMC->Gsvolu("ESMY","PARA", idtmed[607], dpara_sm2, 6); + gMC->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6); gMC->Gsatt("ESMY", "SEEN", 0); Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.}; - dpara2[0] = dpara_sm2[0]; - dpara2[1] = dpara_sm2[1]; - dpara2[2] = cell_depth/2.; + dpara2[0] = dparasm2[0]; + dpara2[1] = dparasm2[1]; + dpara2[2] = fgkCellDepth/2.; gMC->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6); gMC->Gsatt("EHC2", "SEEN", 1); @@ -328,90 +323,86 @@ void AliPMDv0::CreateSupermodule() // Air residing between the PCB and the base - Float_t dpara2_air[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara2_air[0]= dpara_sm2[0]; - dpara2_air[1]= dpara_sm2[1]; - dpara2_air[2]= th_air/2.; + Float_t dpara2Air[6] = {12.5,12.5,8.,30.,0.,0.}; + dpara2Air[0]= dparasm2[0]; + dpara2Air[1]= dparasm2[1]; + dpara2Air[2]= fgkThAir/2.; - gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2_air, 6); + gMC->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6); gMC->Gsatt("EAIX", "SEEN", 0); // Place hexagonal single cells ECCU inside EHC2 // skip cells which go into the hole in top left corner. xrow=1; - yb = -dpara2[1] + (1./root3_2)*hexd1[6]; + yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6]; zb = 0.; - for (j = 1; j <= (ncell_sm - ncell_hole); ++j) { + for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) { xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6]; if(xrow >= 2){ xb = xb+(xrow-1)*hexd1[6]; } - for (i = 1; i <= ncell_sm; ++i) { - number = i+(j-1)*ncell_sm; - gMC->Gsposp("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY", hexd1,10); + for (i = 1; i <= fNcellSM; ++i) { + number = i+(j-1)*fNcellSM; + gMC->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY"); xb += (hexd1[6]*2.); } xrow = xrow+1; - yb += (hexd1[6]*TMath::Sqrt(3.)); + yb += (hexd1[6]*fgkSqroot3); } // ESMX is normal supermodule with base at bottom, with EHC2 - z_air1= -dpara_sm2[2] + th_base + dpara2_air[2]; - gMC->Gspos("EAIX", 1, "ESMX", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara2_air[2]+ th_pcb + dpara2[2]; + zAir1= -dparasm2[2] + fgkThBase + dpara2Air[2]; + gMC->Gspos("EAIX", 1, "ESMX", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC2", 1, "ESMX", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara2[2]+ th_pcb + dpara2_air[2]; - gMC->Gspos("EAIX", 2, "ESMX", 0., 0., z_air2, 0, "ONLY"); + // gMC->Gspos("EHC2", 1, "ESMX", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; + gMC->Gspos("EAIX", 2, "ESMX", 0., 0., zAir2, 0, "ONLY"); // ESMY is mirror image of ESMX with base at bottom, with EHC2 - z_air1= -dpara_sm2[2] + th_pcb + dpara2_air[2]; - gMC->Gspos("EAIX", 3, "ESMY", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara2_air[2]+ th_pcb + dpara2[2]; + zAir1= -dparasm2[2] + fgkThPCB + dpara2Air[2]; + gMC->Gspos("EAIX", 3, "ESMY", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC2", 2, "ESMY", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara2[2]+ th_pcb + dpara2_air[2]; - gMC->Gspos("EAIX", 4, "ESMY", 0., 0., z_air2, 0, "ONLY"); - -// - + // gMC->Gspos("EHC2", 2, "ESMY", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2]; + gMC->Gspos("EAIX", 4, "ESMY", 0., 0., zAir2, 0, "ONLY"); -// special supermodule EMM3 (GEANT only) containing 2 unit modules - -// volume for SUPERMODULE - - Float_t dpara_sm3[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_sm3[0]=(ncell_sm - ncell_hole +0.25)*hexd1[6] ; - dpara_sm3[1] = (ncell_hole + 0.25) * hexd1[6] * root3_2; - dpara_sm3[2] = sm_thick/2.; + // + // special supermodule EMM3 (GEANT only) containing 2 unit modules + // volume for SUPERMODULE + // + Float_t dparaSM3[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparaSM3[0]=(fNcellSM - fgkNcellHole +0.25)*hexd1[6] ; + dparaSM3[1] = (fgkNcellHole + 0.25) * hexd1[6] * fgkSqroot3by2; + dparaSM3[2] = fSMthick/2.; - gMC->Gsvolu("ESMP","PARA", idtmed[607], dpara_sm3, 6); + gMC->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6); gMC->Gsatt("ESMP", "SEEN", 0); // - gMC->Gsvolu("ESMQ","PARA", idtmed[607], dpara_sm3, 6); + gMC->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6); gMC->Gsatt("ESMQ", "SEEN", 0); Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.}; - dpara3[0] = dpara_sm3[0]; - dpara3[1] = dpara_sm3[1]; - dpara3[2] = cell_depth/2.; + dpara3[0] = dparaSM3[0]; + dpara3[1] = dparaSM3[1]; + dpara3[2] = fgkCellDepth/2.; gMC->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6); gMC->Gsatt("EHC3", "SEEN", 1); - // Air residing between the PCB and the base - Float_t dpara3_air[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara3_air[0]= dpara_sm3[0]; - dpara3_air[1]= dpara_sm3[1]; - dpara3_air[2]= th_air/2.; + Float_t dpara3Air[6] = {12.5,12.5,8.,30.,0.,0.}; + dpara3Air[0]= dparaSM3[0]; + dpara3Air[1]= dparaSM3[1]; + dpara3Air[2]= fgkThAir/2.; - gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3_air, 6); + gMC->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6); gMC->Gsatt("EAIP", "SEEN", 0); @@ -419,44 +410,44 @@ void AliPMDv0::CreateSupermodule() // skip cells which go into the hole in top left corner. xrow=1; - yb = -dpara3[1] + (1./root3_2)*hexd1[6]; + yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6]; zb = 0.; - for (j = 1; j <= ncell_hole; ++j) { + for (j = 1; j <= fgkNcellHole; ++j) { xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6]; if(xrow >= 2){ xb = xb+(xrow-1)*hexd1[6]; } - for (i = 1; i <= (ncell_sm - ncell_hole); ++i) { - number = i+(j-1)*(ncell_sm - ncell_hole); - gMC->Gsposp("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY", hexd1,10); + for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) { + number = i+(j-1)*(fNcellSM - fgkNcellHole); + gMC->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY"); xb += (hexd1[6]*2.); } xrow = xrow+1; - yb += (hexd1[6]*TMath::Sqrt(3.)); + yb += (hexd1[6]*fgkSqroot3); } // ESMP is normal supermodule with base at bottom, with EHC3 - z_air1= -dpara_sm3[2] + th_base + dpara3_air[2]; - gMC->Gspos("EAIP", 1, "ESMP", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara3_air[2]+ th_pcb + dpara3[2]; + zAir1= -dparaSM3[2] + fgkThBase + dpara3Air[2]; + gMC->Gspos("EAIP", 1, "ESMP", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC3", 1, "ESMP", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara3[2]+ th_pcb + dpara3_air[2]; - gMC->Gspos("EAIP", 2, "ESMP", 0., 0., z_air2, 0, "ONLY"); - + // gMC->Gspos("EHC3", 1, "ESMP", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; + gMC->Gspos("EAIP", 2, "ESMP", 0., 0., zAir2, 0, "ONLY"); + // ESMQ is mirror image of ESMP with base at bottom, with EHC3 - z_air1= -dpara_sm3[2] + th_pcb + dpara3_air[2]; - gMC->Gspos("EAIP", 3, "ESMQ", 0., 0., z_air1, 0, "ONLY"); - z_gas=z_air1+dpara3_air[2]+ th_pcb + dpara3[2]; + zAir1= -dparaSM3[2] + fgkThPCB + dpara3Air[2]; + gMC->Gspos("EAIP", 3, "ESMQ", 0., 0., zAir1, 0, "ONLY"); + zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2]; //Line below Commented for version 0 of PMD routine - // gMC->Gspos("EHC3", 2, "ESMQ", 0., 0., z_gas, 0, "ONLY"); - z_air2=z_gas+dpara3[2]+ th_pcb + dpara3_air[2]; - gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., z_air2, 0, "ONLY"); - + // gMC->Gspos("EHC3", 2, "ESMQ", 0., 0., zGas, 0, "ONLY"); + zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2]; + gMC->Gspos("EAIP", 4, "ESMQ", 0., 0., zAir2, 0, "ONLY"); + } - + //_____________________________________________________________________________ void AliPMDv0::CreatePMD() @@ -468,36 +459,25 @@ void AliPMDv0::CreatePMD() // -- Modified: P.V.K.S.Baba(JU), 15-12-97. // -- Modified: For New Geometry YPV, March 2001. - - const Float_t root3_2 = TMath::Sqrt(3.)/2.; - const Float_t pi = 3.14159; - Int_t i,j; - Float_t xp, yp, zp; - - Int_t num_mod; + Int_t i,j; + Int_t nummod; Int_t jhrot12,jhrot13, irotdm; - Int_t *idtmed = fIdtmed->GetArray()-599; // VOLUMES Names : begining with "E" for all PMD volumes, // The names of SIZE variables begin with S and have more meaningful // characters as shown below. - // VOLUME SIZE MEDIUM : REMARKS // ------ ----- ------ : --------------------------- - // EPMD GASPMD AIR : INSIDE PMD and its SIZE - // *** Define the EPMD Volume and fill with air *** - - // Gaspmd, the dimension of HEXAGONAL mother volume of PMD, Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.}; - gaspmd[5] = ncell_hole * cell_radius * 2. * root3_2; + gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2; gaspmd[8] = gaspmd[5]; gMC->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10); @@ -509,189 +489,175 @@ void AliPMDv0::CreatePMD() AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.); - Float_t dm_thick = 2. * sm_thick + th_lead + th_steel; + Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel; - // dpara_emm1 array contains parameters of the imaginary volume EMM1, + // dparaemm1 array contains parameters of the imaginary volume EMM1, // EMM1 is a master module of type 1, which has 24 copies in the PMD. // EMM1 : normal volume as in old cases - Float_t dpara_emm1[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_emm1[0] = sm_length/2.; - dpara_emm1[1] = dpara_emm1[0] *root3_2; - dpara_emm1[2] = dm_thick/2.; + Float_t dparaemm1[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparaemm1[0] = fSMLength/2.; + dparaemm1[1] = dparaemm1[0] *fgkSqroot3by2; + dparaemm1[2] = dmthick/2.; - gMC->Gsvolu("EMM1","PARA", idtmed[698], dpara_emm1, 6); + gMC->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6); gMC->Gsatt("EMM1", "SEEN", 1); // // --- DEFINE Modules, iron, and lead volumes - // Pb Convertor for EMM1 - Float_t dpara_pb1[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_pb1[0] = sm_length/2.; - dpara_pb1[1] = dpara_pb1[0] * root3_2; - dpara_pb1[2] = th_lead/2.; - gMC->Gsvolu("EPB1","PARA", idtmed[600], dpara_pb1, 6); + Float_t dparapb1[6] = {12.5,12.5,8.,30.,0.,0.}; + dparapb1[0] = fSMLength/2.; + dparapb1[1] = dparapb1[0] * fgkSqroot3by2; + dparapb1[2] = fgkThLead/2.; + + gMC->Gsvolu("EPB1","PARA", idtmed[600], dparapb1, 6); gMC->Gsatt ("EPB1", "SEEN", 0); // Fe Support for EMM1 - Float_t dpara_fe1[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_fe1[0] = dpara_pb1[0]; - dpara_fe1[1] = dpara_pb1[1]; - dpara_fe1[2] = th_steel/2.; + Float_t dparafe1[6] = {12.5,12.5,8.,30.,0.,0.}; + dparafe1[0] = dparapb1[0]; + dparafe1[1] = dparapb1[1]; + dparafe1[2] = fgkThSteel/2.; - gMC->Gsvolu("EFE1","PARA", idtmed[618], dpara_fe1, 6); + gMC->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6); gMC->Gsatt ("EFE1", "SEEN", 0); - - // // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1 - Float_t z_ps,z_pb,z_fe,z_cv; + Float_t zps,zpb,zfe,zcv; - z_ps = - dpara_emm1[2] + sm_thick/2.; - gMC->Gspos("ESMB", 1, "EMM1", 0., 0., z_ps, 0, "ONLY"); - z_pb=z_ps+sm_thick/2.+dpara_pb1[2]; - gMC->Gspos("EPB1", 1, "EMM1", 0., 0., z_pb, 0, "ONLY"); - z_fe=z_pb+dpara_pb1[2]+dpara_fe1[2]; - gMC->Gspos("EFE1", 1, "EMM1", 0., 0., z_fe, 0, "ONLY"); - z_cv=z_fe+dpara_fe1[2]+sm_thick/2.; - gMC->Gspos("ESMA", 1, "EMM1", 0., 0., z_cv, 0, "ONLY"); - - + zps = -dparaemm1[2] + fSMthick/2.; + gMC->Gspos("ESMB", 1, "EMM1", 0., 0., zps, 0, "ONLY"); + zpb = zps+fSMthick/2.+dparapb1[2]; + gMC->Gspos("EPB1", 1, "EMM1", 0., 0., zpb, 0, "ONLY"); + zfe = zpb+dparapb1[2]+dparafe1[2]; + gMC->Gspos("EFE1", 1, "EMM1", 0., 0., zfe, 0, "ONLY"); + zcv = zfe+dparafe1[2]+fSMthick/2.; + gMC->Gspos("ESMA", 1, "EMM1", 0., 0., zcv, 0, "ONLY"); // EMM2 : special master module having full row of cells but the number // of rows limited by hole. - Float_t dpara_emm2[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_emm2[0] = sm_length/2.; - dpara_emm2[1] = (ncell_sm - ncell_hole + 0.25) * cell_radius * root3_2; - dpara_emm2[2] = dm_thick/2.; + Float_t dparaemm2[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparaemm2[0] = fSMLength/2.; + dparaemm2[1] = (fNcellSM - fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2; + dparaemm2[2] = dmthick/2.; - gMC->Gsvolu("EMM2","PARA", idtmed[698], dpara_emm2, 6); + gMC->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6); gMC->Gsatt("EMM2", "SEEN", 1); - // Pb Convertor for EMM2 - Float_t dpara_pb2[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_pb2[0] = dpara_emm2[0]; - dpara_pb2[1] = dpara_emm2[1]; - dpara_pb2[2] = th_lead/2.; + Float_t dparapb2[6] = {12.5,12.5,8.,30.,0.,0.}; + dparapb2[0] = dparaemm2[0]; + dparapb2[1] = dparaemm2[1]; + dparapb2[2] = fgkThLead/2.; - gMC->Gsvolu("EPB2","PARA", idtmed[600], dpara_pb2, 6); + gMC->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6); gMC->Gsatt ("EPB2", "SEEN", 0); // Fe Support for EMM2 - Float_t dpara_fe2[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_fe2[0] = dpara_pb2[0]; - dpara_fe2[1] = dpara_pb2[1]; - dpara_fe2[2] = th_steel/2.; + Float_t dparafe2[6] = {12.5,12.5,8.,30.,0.,0.}; + dparafe2[0] = dparapb2[0]; + dparafe2[1] = dparapb2[1]; + dparafe2[2] = fgkThSteel/2.; - gMC->Gsvolu("EFE2","PARA", idtmed[618], dpara_fe2, 6); + gMC->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6); gMC->Gsatt ("EFE2", "SEEN", 0); - - // position supermodule ESMX, ESMY inside EMM2 - z_ps = - dpara_emm2[2] + sm_thick/2.; - gMC->Gspos("ESMY", 1, "EMM2", 0., 0., z_ps, 0, "ONLY"); - z_pb = z_ps + sm_thick/2.+dpara_pb2[2]; - gMC->Gspos("EPB2", 1, "EMM2", 0., 0., z_pb, 0, "ONLY"); - z_fe = z_pb + dpara_pb2[2]+dpara_fe2[2]; - gMC->Gspos("EFE2", 1, "EMM2", 0., 0., z_fe, 0, "ONLY"); - z_cv = z_fe + dpara_fe2[2]+sm_thick/2.; - gMC->Gspos("ESMX", 1, "EMM2", 0., 0., z_cv, 0, "ONLY"); + zps = -dparaemm2[2] + fSMthick/2.; + gMC->Gspos("ESMY", 1, "EMM2", 0., 0., zps, 0, "ONLY"); + zpb = zps + fSMthick/2.+dparapb2[2]; + gMC->Gspos("EPB2", 1, "EMM2", 0., 0., zpb, 0, "ONLY"); + zfe = zpb + dparapb2[2]+dparafe2[2]; + gMC->Gspos("EFE2", 1, "EMM2", 0., 0., zfe, 0, "ONLY"); + zcv = zfe + dparafe2[2]+fSMthick/2.; + gMC->Gspos("ESMX", 1, "EMM2", 0., 0., zcv, 0, "ONLY"); // - - // EMM3 : special master module having truncated rows and columns of cells // limited by hole. - Float_t dpara_emm3[6] = {12.5,12.5,0.8,30.,0.,0.}; - dpara_emm3[0] = dpara_emm2[1]/root3_2; - dpara_emm3[1] = (ncell_hole + 0.25) * cell_radius *root3_2; - dpara_emm3[2] = dm_thick/2.; + Float_t dparaemm3[6] = {12.5,12.5,0.8,30.,0.,0.}; + dparaemm3[0] = dparaemm2[1]/fgkSqroot3by2; + dparaemm3[1] = (fgkNcellHole + 0.25) * fgkCellRadius *fgkSqroot3by2; + dparaemm3[2] = dmthick/2.; - gMC->Gsvolu("EMM3","PARA", idtmed[698], dpara_emm3, 6); + gMC->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6); gMC->Gsatt("EMM3", "SEEN", 1); - // Pb Convertor for EMM3 - Float_t dpara_pb3[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_pb3[0] = dpara_emm3[0]; - dpara_pb3[1] = dpara_emm3[1]; - dpara_pb3[2] = th_lead/2.; + Float_t dparapb3[6] = {12.5,12.5,8.,30.,0.,0.}; + dparapb3[0] = dparaemm3[0]; + dparapb3[1] = dparaemm3[1]; + dparapb3[2] = fgkThLead/2.; - gMC->Gsvolu("EPB3","PARA", idtmed[600], dpara_pb3, 6); + gMC->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6); gMC->Gsatt ("EPB3", "SEEN", 0); // Fe Support for EMM3 - Float_t dpara_fe3[6] = {12.5,12.5,8.,30.,0.,0.}; - dpara_fe3[0] = dpara_pb3[0]; - dpara_fe3[1] = dpara_pb3[1]; - dpara_fe3[2] = th_steel/2.; + Float_t dparafe3[6] = {12.5,12.5,8.,30.,0.,0.}; + dparafe3[0] = dparapb3[0]; + dparafe3[1] = dparapb3[1]; + dparafe3[2] = fgkThSteel/2.; - gMC->Gsvolu("EFE3","PARA", idtmed[618], dpara_fe3, 6); + gMC->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6); gMC->Gsatt ("EFE3", "SEEN", 0); - - // position supermodule ESMP, ESMQ inside EMM3 - z_ps = - dpara_emm3[2] + sm_thick/2.; - gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., z_ps, 0, "ONLY"); - z_pb = z_ps + sm_thick/2.+dpara_pb3[2]; - gMC->Gspos("EPB3", 1, "EMM3", 0., 0., z_pb, 0, "ONLY"); - z_fe = z_pb + dpara_pb3[2]+dpara_fe3[2]; - gMC->Gspos("EFE3", 1, "EMM3", 0., 0., z_fe, 0, "ONLY"); - z_cv = z_fe + dpara_fe3[2] + sm_thick/2.; - gMC->Gspos("ESMP", 1, "EMM3", 0., 0., z_cv, 0, "ONLY"); + zps = -dparaemm3[2] + fSMthick/2.; + gMC->Gspos("ESMQ", 1, "EMM3", 0., 0., zps, 0, "ONLY"); + zpb = zps + fSMthick/2.+dparapb3[2]; + gMC->Gspos("EPB3", 1, "EMM3", 0., 0., zpb, 0, "ONLY"); + zfe = zpb + dparapb3[2]+dparafe3[2]; + gMC->Gspos("EFE3", 1, "EMM3", 0., 0., zfe, 0, "ONLY"); + zcv = zfe + dparafe3[2] + fSMthick/2.; + gMC->Gspos("ESMP", 1, "EMM3", 0., 0., zcv, 0, "ONLY"); // // EHOL is a tube structure made of air // //Float_t d_hole[3]; //d_hole[0] = 0.; - //d_hole[1] = ncell_hole * cell_radius *2. * root3_2 + boundary; - //d_hole[2] = dm_thick/2.; + //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary; + //d_hole[2] = dmthick/2.; // //gMC->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3); //gMC->Gsatt("EHOL", "SEEN", 1); //Al-rod as boundary of the supermodules - Float_t Al_rod[3] ; - Al_rod[0] = sm_length * 3/2. - gaspmd[5]/2 - boundary ; - Al_rod[1] = boundary; - Al_rod[2] = dm_thick/2.; + Float_t alRod[3] ; + alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ; + alRod[1] = fgkBoundary; + alRod[2] = dmthick/2.; - gMC->Gsvolu("EALM","BOX ", idtmed[698], Al_rod, 3); + gMC->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3); gMC->Gsatt ("EALM", "SEEN", 1); Float_t xalm[3]; - xalm[0]=Al_rod[0] + gaspmd[5] + 3.0*boundary; + xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary; xalm[1]=-xalm[0]/2.; xalm[2]=xalm[1]; Float_t yalm[3]; yalm[0]=0.; - yalm[1]=xalm[0]*root3_2; + yalm[1]=xalm[0]*fgkSqroot3by2; yalm[2]=-yalm[1]; // delx = full side of the supermodule - Float_t delx=sm_length * 3.; - Float_t x1= delx*root3_2 /2.; + Float_t delx=fSMLength * 3.; + Float_t x1= delx*fgkSqroot3by2 /2.; Float_t x4=delx/4.; - // placing master modules and Al-rod in PMD - Float_t dx = sm_length; - Float_t dy = dx * root3_2; - + Float_t dx = fSMLength; + Float_t dy = dx * fgkSqroot3by2; Float_t xsup[9] = {-dx/2., dx/2., 3.*dx/2., -dx, 0., dx, -3.*dx/2., -dx/2., dx/2.}; @@ -702,62 +668,63 @@ void AliPMDv0::CreatePMD() // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes - Float_t xoff = boundary * TMath::Tan(pi/6.); - Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-boundary/root3_2}; - Float_t ymod[3] = {-x1 - boundary, x1 + boundary, 0.}; + Float_t xoff = fgkBoundary * TMath::Tan(fgkPi/6.); + Float_t xmod[3]={x4 + xoff , x4 + xoff, -2.*x4-fgkBoundary/fgkSqroot3by2}; + Float_t ymod[3] = {-x1 - fgkBoundary, x1 + fgkBoundary, 0.}; Float_t xpos[9], ypos[9], x2, y2, x3, y3; - Float_t xemm2 = sm_length/2. - - (ncell_sm + ncell_hole + 0.25) * cell_radius * 0.5 + Float_t xemm2 = fSMLength/2. - + (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5 + xoff; - Float_t yemm2 = -(ncell_sm + ncell_hole + 0.25) * cell_radius * root3_2 - - boundary; + Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2 + - fgkBoundary; - Float_t xemm3 = (ncell_sm + 0.5 * ncell_hole + 0.25) * cell_radius + xoff; - Float_t yemm3 = - (ncell_hole - 0.25) * cell_radius * root3_2 - boundary; + Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius + + xoff; + Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 - + fgkBoundary; - Float_t theta[3] = {0., 2.*pi/3., 4.*pi/3.}; + Float_t theta[3] = {0., 2.*fgkPi/3., 4.*fgkPi/3.}; Int_t irotate[3] = {0, jhrot12, jhrot13}; - - num_mod=0; - for (j=0; j<3; ++j) - { - gMC->Gsposp("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY", Al_rod, 3); - x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]); - y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]); - - gMC->Gsposp("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY", dpara_emm2, 6); - - x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); - y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); - - gMC->Gsposp("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY", dpara_emm3, 6); - - for (i=1; i<9; ++i) - { - xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - ysup[i]*TMath::Sin(theta[j]); - ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + ysup[i]*TMath::Cos(theta[j]); - if(fDebug) - printf("%s: %f %f \n", ClassName(), xpos[i], ypos[i]); - - num_mod = num_mod+1; - - if(fDebug) - printf("\n%s: Num_mod %d\n",ClassName(),num_mod); - - gMC->Gsposp("EMM1", num_mod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY", dpara_emm1, 6); - - } - } - - + + nummod=0; + for (j=0; j<3; ++j) { + gMC->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY"); + x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]); + y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]); + + gMC->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY"); + + x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]); + y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]); + + gMC->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY"); + + for (i=1; i<9; ++i) { + xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) - + ysup[i]*TMath::Sin(theta[j]); + ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) + + ysup[i]*TMath::Cos(theta[j]); + + AliDebugClass(1,Form("xpos: %f, ypos: %f", xpos[i], ypos[i])); + + nummod = nummod+1; + + AliDebugClass(1,Form("nummod %d",nummod)); + + gMC->Gspos("EMM1", nummod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY"); + + } + } + + // place EHOL in the centre of EPMD // gMC->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY"); - + // --- Place the EPMD in ALICE xp = 0.; yp = 0.; - zp = zdist1; + zp = fgkZdist; gMC->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); @@ -765,7 +732,7 @@ void AliPMDv0::CreatePMD() //_____________________________________________________________________________ -void AliPMDv0::DrawModule() +void AliPMDv0::DrawModule() const { // // Draw a shaded view of the Photon Multiplicity Detector @@ -807,81 +774,106 @@ void AliPMDv0::CreateMaterials() // ORIGIN : Y. P. VIYOGI // - // --- The Argon- CO2 mixture --- - Float_t ag[2] = { 39.95 }; - Float_t zg[2] = { 18. }; - Float_t wg[2] = { .8,.2 }; - Float_t dar = .001782; // --- Ar density in g/cm3 --- - // --- CO2 --- - Float_t ac[2] = { 12.,16. }; - Float_t zc[2] = { 6.,8. }; - Float_t wc[2] = { 1.,2. }; - Float_t dc = .001977; - Float_t dco = .002; // --- CO2 density in g/cm3 --- - - Float_t absl, radl, a, d, z; - Float_t dg; - Float_t x0ar; - //Float_t x0xe=2.4; - //Float_t dxe=0.005858; - Float_t buf[1]; - Int_t nbuf; - 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 }; - - Int_t *idtmed = fIdtmed->GetArray()-599; + // cout << " Inside create materials " << endl; + Int_t isxfld = gAlice->Field()->Integ(); Float_t sxmgmx = gAlice->Field()->Max(); // --- Define the various materials for GEANT --- + AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); - x0ar = 19.55 / dar; - AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4); - AliMixture(3, "CO2 $", ac, zc, dc, -2, wc); + + // Argon + + Float_t dAr = 0.001782; // --- Ar density in g/cm3 --- + Float_t x0Ar = 19.55 / dAr; + AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4); + + // --- CO2 --- + + Float_t aCO2[2] = { 12.,16. }; + Float_t zCO2[2] = { 6.,8. }; + Float_t wCO2[2] = { 1.,2. }; + Float_t dCO2 = 0.001977; + AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2); + AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); + + // ArCO2 + + Float_t aArCO2[3] = {39.948,12.0107,15.9994}; + Float_t zArCO2[3] = {18.,6.,8.}; + Float_t wArCO2[3] = {0.7,0.08,0.22}; + Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3; + AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2); + AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); - AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3); - AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.); - AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.); - AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7); - AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); - AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9); - AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.); - AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); - // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4); - - AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.); - AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.); - AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16); - AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.); - - // define gas-mixtures + + // G10 - char namate[21]; - gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); - ag[1] = a; - zg[1] = z; - dg = (dar * 4 + dco) / 5; - AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg); + Float_t aG10[4]={1.,12.011,15.9994,28.086}; + Float_t zG10[4]={1.,6.,8.,14.}; + //PH Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667}; + Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714}; + AliMixture(8,"G10",aG10,zG10,1.7,4,wG10); + AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); + + // Steel + Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 }; + Float_t zSteel[4] = { 26.,24.,28.,14. }; + Float_t wSteel[4] = { .715,.18,.1,.005 }; + Float_t dSteel = 7.88; + AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel); + + //Air + + Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; + Float_t zAir[4]={6.,7.,8.,18.}; + Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; + Float_t dAir1 = 1.20479E-10; + Float_t dAir = 1.20479E-3; + AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir); + AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir); + // Define tracking media - AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); - AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); - AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); - AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); - AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); - AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10); - AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1); - AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); - AliMedium(19, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); - // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); - + AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); + AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); + AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1); + AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); + AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); + AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); + AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); + AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10); + AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1); + +} + +//_____________________________________________________________________________ +void AliPMDv0::Init() +{ + // + // Initialises PMD detector after it has been built + // + Int_t i; + // kdet=1; + // + if(AliLog::GetGlobalDebugLevel()>0) { + printf("\n%s: ",ClassName()); + for(i=0;i<35;i++) printf("*"); + printf(" PMD_INIT "); + for(i=0;i<35;i++) printf("*"); + printf("\n%s: ",ClassName()); + printf(" PMD simulation package (v0) initialised\n"); + printf("%s: parameters of pmd\n", ClassName()); + printf("%s: %10.2f %10.2f %10.2f \ + %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist ); + printf("%s: ",ClassName()); + for(i=0;i<80;i++) printf("*"); + printf("\n"); + } + Int_t *idtmed = fIdtmed->GetArray()-599; + fMedSens=idtmed[605-1]; // --- Generate explicitly delta rays in the iron, aluminium and lead --- gMC->Gstpar(idtmed[600], "LOSS", 3.); gMC->Gstpar(idtmed[600], "DRAY", 1.); @@ -919,10 +911,10 @@ void AliPMDv0::CreateMaterials() gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); - gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); - gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); - gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); - gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); +// gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); +// gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); +// gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); +// gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); // --- Prevent particles stopping in the gas due to energy cut-off --- gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); @@ -932,33 +924,6 @@ void AliPMDv0::CreateMaterials() gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); } -//_____________________________________________________________________________ -void AliPMDv0::Init() -{ - // - // Initialises PMD detector after it has been built - // - Int_t i; - kdet=1; - // - if(fDebug) { - printf("\n%s: ",ClassName()); - for(i=0;i<35;i++) printf("*"); - printf(" PMD_INIT "); - for(i=0;i<35;i++) printf("*"); - printf("\n%s: ",ClassName()); - printf(" PMD simulation package (v0) initialised\n"); - printf("%s: parameters of pmd\n", ClassName()); - printf("%s: %10.2f %10.2f %10.2f \ - %10.2f\n",ClassName(),cell_radius,cell_wall,cell_depth,zdist1 ); - printf("%s: ",ClassName()); - for(i=0;i<80;i++) printf("*"); - printf("\n"); - } - Int_t *idtmed = fIdtmed->GetArray()-599; - fMedSens=idtmed[605-1]; -} - //_____________________________________________________________________________ void AliPMDv0::StepManager() { @@ -971,7 +936,7 @@ void AliPMDv0::StepManager() Int_t vol[5]; //char *namep; - if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) { + if(gMC->CurrentMedium() == fMedSens && (destep = gMC->Edep())) { gMC->CurrentVolID(copy); @@ -1010,7 +975,7 @@ void AliPMDv0::StepManager() gMC->Gdtom(center,hits,1); hits[3] = destep*1e9; //Number in eV - AddHit(gAlice->CurrentTrack(), vol, hits); + AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); } } @@ -1020,39 +985,15 @@ void AliPMDv0::StepManager() void AliPMDv0::GetParameters() { - Int_t ncell_um, num_um; - ncell_um=24; - num_um=3; - ncell_hole=24; - cell_radius=0.25; - cell_wall=0.02; - cell_depth=0.25 * 2.; - // - boundary=0.7; - ncell_sm=ncell_um * num_um; //no. of cells in a row in one supermodule - sm_length= ((ncell_sm + 0.25 ) * cell_radius) * 2.; - // - th_base=0.3; - th_air=0.1; - th_pcb=0.16; - // - sm_thick = th_base + th_air + th_pcb + cell_depth + th_pcb + th_air + th_pcb; - // - th_lead=1.5; - th_steel=0.5; - // - zdist1 = -365.; + // This gives all the parameters of the detector + // such as Length of Supermodules + // thickness of the Supermodule + // + Int_t ncellum, numum; + ncellum = 24; + numum = 3; + fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule + fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.; + fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth + + fgkThPCB + fgkThAir + fgkThPCB; } - - - - - - - - - - - - -