/**************************************************************************
* 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 *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* 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. *
**************************************************************************/
/*
$Log$
*/
///////////////////////////////////////////////////////////////////////////////
// //
// Cosmic Rays ALICE Trigger //
// This class contains the basic functions for the Cosmic Ray ALICE //
// detector. Functions specific to one particular geometry are //
// contained in the derived classes //
//
// Begin_Html
/*
The responsible person for this module is Enrique Gamez Flores.
*/ //End_Html // // // // /////////////////////////////////////////////////////////////////////////////// #include#include #include #include "AliMC.h" #include "AliRun.h" #include "AliMagF.h" #include "AliCRT.h" #include "AliCRTConstants.h" #include "AliCRTdigit.h" #include "AliCRThit.h" ClassImp(AliCRT) static AliCRTdigit *digits; //_____________________________________________________________________________ AliCRT::AliCRT() { // // Default constructor for L3 magnet // fIshunt = 1; fHits = 0; fDigits = 0; } //_____________________________________________________________________________ AliCRT::AliCRT(const char *name, const char *title) : AliDetector(name,title) { // // Standard constructor for the CRT module // fIshunt = 1; // All hits are associated with primary particles fHits = new TClonesArray("AliCRThit",400) ; fDigits = new TClonesArray("AliCRTdigit",400) ; gAlice->AddHitList(fHits); SetMarkerColor(7); SetMarkerStyle(2); SetMarkerSize(0.4); } //_____________________________________________________________________________ AliCRT::~AliCRT() { // // Standar destructor. // if (fHits) { fHits->Delete(); delete fHits; } } //_____________________________________________________________________________ void AliCRT::AddHit(Int_t track, Int_t *vol, Float_t *hits) { // // Add a CRT hit // TClonesArray &lhits = *fHits; new(lhits[fNhits++]) AliCRThit(fIshunt,track,vol,hits); } //_____________________________________________________________________________ void AliCRT::AddDigit(Int_t *tracks,Int_t *digits) { // Add a CRT digit to the list. Dummy function. } //_____________________________________________________________________________ void AliCRT::Init() const { // // Initialise ... // Int_t i; // if(fDebug) { printf("\n%s: ",ClassName()); for(i=0;i<35;i++) printf("*"); printf(" CRT_INIT "); for(i=0;i<35;i++) printf("*"); printf("\n%s: ",ClassName()); // // Here the CRT initialisation code (if any!) for(i=0;i<80;i++) printf("*"); printf("\n"); } } //_____________________________________________________________________________ void AliCRT::ResetHits () { // Reset number of clusters and the cluster array for this detector AliDetector::ResetHits (); } //_____________________________________________________________________________ void AliCRT::ResetDigits () { // // Reset number of digits and the digits array for this detector AliDetector::ResetDigits (); // } //____________________________________________________________________________ void AliCRT::FinishEvent() { // do nothing } //_____________________________________________________________________________ void AliCRT::BuildGeometry() { // // Build simple ROOT TNode geometry for event display // } //_____________________________________________________________________________ void AliCRT::CreateGeometry() { // // Build simple ROOT TNode geometry for GEANT simulations // } //_____________________________________________________________________________ void AliCRT::CreateMaterials() { // Magnatic field inside the pit Int_t isxfld = gAlice->Field()->Integ(); Float_t sxmgmx = gAlice->Field()->Max(); //Magnetic field above the Magnet. Int_t xfield = 0; // no Magnetic field. Float_t xfieldm = 0; Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit // --- Define the various materials for GEANT --- Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; Float_t epsil, stmin, tmaxfd, deemax, stemax; // // Aluminum AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); // // Iron AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); // // Air AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); // // Vacuum AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); AliMaterial(36, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); AliMaterial(56, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); // // Concrete AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); // Scintillator material polystyrene Float_t aP[2] = {12.011, 1.00794}; Float_t zP[2] = {6.0, 1.0}; Float_t wP[2] = {1.0, 1.0}; Float_t dP = 1.032; AliMixture(3, "Polystyrene$", aP, zP, dP, -2, wP); // Standard ROCK, ROCK1 and molasse. Float_t aRock[1] = {22.}; Float_t zRock[1] = {11.}; Float_t wRock[1] = {1.}; Float_t dRock = 2.65; AliMixture(4, "Standard Rock$", aRock, zRock, dRock, 1, wRock); Float_t dRock1 = 2.2; AliMixture(5, "Rock1$", aRock, zRock, dRock1, 1, wRock); Float_t dMolasse = 2.50; AliMixture(6, "Molasse$", aRock, zRock, dMolasse, 1, wRock); // **************** // Defines tracking media parameters. // Les valeurs sont commentees pour laisser le defaut // a GEANT (version 3-21, page CONS200), f.m. epsil = .001; // Tracking precision, Inside the pit stemax = -1.; // Maximum displacement for multiple scattering tmaxfd = -20.; // Maximum angle due to field deflection deemax = -.3; // Maximum fractional energy loss, DLS stmin = -.8; // *************** // // Aluminum AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Iron AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Air AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Vacuum AliMedium(16, "VA_C0 ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(36, "VA_C1 ", 36, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(56, "VA_C2 ", 56, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // // Concrete AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // The scintillator of the CPV made of Polystyrene // scintillator -> idtmed[1102] AliMedium(3, "CPV scint. ", 3, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); // Standard ROCK -> idtmed[1103] AliMedium(4, "Standard Rock ", 4, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); // ROCK1 -> idtmed[1104] AliMedium(5, "Rock 1 ", 5, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); // Molasse -> idtmed[1105] AliMedium(6, "Molasse ", 6, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); } //_____________________________________________________________________________ void AliCRT::MakeBranch(Option_t* option, const char *file) { // // Specific CRT branches // // Create Tree branches for the CRT. Int_t buffersize = 400; char branchname[10]; sprintf(branchname,"%s",GetName()); AliDetector::MakeBranch(option,file); const char *cD = strstr(option,"D"); if (cD) { digits = new AliCRTdigit(); MakeBranchInTree(gAlice->TreeD(), branchname, "AliCRTdigit", digits, buffersize, 1, file); } } //_____________________________________________________________________________