/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
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* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/*
$Log$
*/
///////////////////////////////////////////////////////////////////////////////
// //
// Forward Multiplicity Detector version 0 //
// //
//Begin_Html
/*
The responsible person for this module is
Valeri Kondratiev.
*/ //End_Html // // /////////////////////////////////////////////////////////////////////////////// #include "AliRun.h" #include "AliFMDv0.h" #include "AliMC.h" #include "stdlib.h" ClassImp(AliFMDv0) //_____________________________________________________________________________ AliFMDv0::AliFMDv0() { // // Default constructor for FMD version 0 // } //_____________________________________________________________________________ AliFMDv0::AliFMDv0(const char *name, const char *title) : AliFMD(name,title) { // // Standard constructor for FMD version 0 // AliModule *start = gAlice->GetModule("START"); if(start) { Error("ctor","This version of FMD is incompatible with START\n"); exit(1); } } //___________________________________________ void AliFMDv0::CreateGeometry() { // // Creation of the geometry of the FMD version 0 // //Begin_Html /* */ //End_Html //Begin_Html /* */ //End_Html 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 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"); } //_____________________________________________________________________________ void AliFMDv0::DrawModule() { // // Draw a shaded view of the FMD 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"); } //_____________________________________________________________________________ void AliFMDv0::CreateMaterials() { // // Create Materials for version 0 of FMD // // 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 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); }