1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 //_________________________________________________________________________
18 // Base Class for PHOS description:
19 // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
20 // particles detector (CPV or PPSD).
21 // The only provided method here is CreateMaterials,
22 // which defines the materials common to all PHOS versions.
24 //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
25 //////////////////////////////////////////////////////////////////////////////
28 // --- ROOT system ---
32 #include <TVirtualMC.h>
34 // --- Standard library ---
36 // --- AliRoot header files ---
38 #include "AliESDCaloTrack.h"
41 #include "AliPHOSGetter.h"
42 #include "AliPHOSQAChecker.h"
44 #include "AliPHOSDigitizer.h"
45 #include "AliPHOSSDigitizer.h"
46 #include "AliPHOSReconstructioner.h"
48 //____________________________________________________________________________
49 AliPHOS:: AliPHOS() : AliDetector()
57 //____________________________________________________________________________
58 AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
60 // ctor : title is used to identify the layout
66 //____________________________________________________________________________
72 //____________________________________________________________________________
73 void AliPHOS::Copy(AliPHOS & phos)
76 // fQATask = AliPHOSQAChecker::Copy(*(phos.fQATask)) ;
77 phos.fTreeQA = fTreeQA->CloneTree() ;
80 //____________________________________________________________________________
81 AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
83 return new AliPHOSDigitizer(manager);
86 //____________________________________________________________________________
87 void AliPHOS::CreateMaterials()
89 // Definitions of materials to build PHOS and associated tracking media.
90 // media number in idtmed are 699 to 798.
92 // --- The PbWO4 crystals ---
93 Float_t aX[3] = {207.19, 183.85, 16.0} ;
94 Float_t zX[3] = {82.0, 74.0, 8.0} ;
95 Float_t wX[3] = {1.0, 1.0, 4.0} ;
98 AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
101 // --- The polysterene scintillator (CH) ---
102 Float_t aP[2] = {12.011, 1.00794} ;
103 Float_t zP[2] = {6.0, 1.0} ;
104 Float_t wP[2] = {1.0, 1.0} ;
107 AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
110 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
111 // --- Absorption length is ignored ^
113 // --- Tyvek (CnH2n) ---
114 Float_t aT[2] = {12.011, 1.00794} ;
115 Float_t zT[2] = {6.0, 1.0} ;
116 Float_t wT[2] = {1.0, 2.0} ;
119 AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
121 // --- Polystyrene foam ---
122 Float_t aF[2] = {12.011, 1.00794} ;
123 Float_t zF[2] = {6.0, 1.0} ;
124 Float_t wF[2] = {1.0, 1.0} ;
127 AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
130 Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
131 Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
132 Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
135 AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
138 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
142 // --- Foam thermo insulation ---
143 Float_t aTI[2] = {12.011, 1.00794} ;
144 Float_t zTI[2] = {6.0, 1.0} ;
145 Float_t wTI[2] = {1.0, 1.0} ;
148 AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
151 Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
152 Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
153 Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
156 AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
159 Float_t aFR[3] = {28.0855, 15.9994, 17.749} ;
160 Float_t zFR[3] = {14., 8., 8.875} ;
161 Float_t wFR[3] = {.28, .32, .4} ;
164 AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ;
166 // --- The Composite Material for micromegas (so far polyetylene) ---
167 Float_t aCM[2] = {12.01, 1.} ;
168 Float_t zCM[2] = {6., 1.} ;
169 Float_t wCM[2] = {1., 2.} ;
170 Float_t dCM = 0.935 ;
172 AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
175 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
177 // --- G10 : Printed Circuit material ---
178 Float_t aG10[4] = { 12., 1., 16., 28.} ;
179 Float_t zG10[4] = { 6., 1., 8., 14.} ;
180 Float_t wG10[4] = { .259, .288, .248, .205} ;
183 AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
186 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
188 // --- The gas mixture ---
190 Float_t aCO[2] = {12.0, 16.0} ;
191 Float_t zCO[2] = {6.0, 8.0} ;
192 Float_t wCO[2] = {1.0, 2.0} ;
193 Float_t dCO = 0.001977 ;
195 AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
198 Float_t dAr = 0.001782 ;
199 AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
202 Char_t namate[21]="";
208 Float_t absL, radL, density ;
212 gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar
213 gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2
216 // Create gas mixture
218 Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%)
221 wGM[1] = 1. - arContent ;
222 dGM = wGM[0] * dAr + wGM[1] * dCO;
224 AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
226 // --- Stainless steel (let it be pure iron) ---
227 AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
230 // --- Fiberglass ---
231 Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
232 Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
233 Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
236 AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
238 // --- Cables in Air box ---
241 Float_t aCA[4] = { 1.,12.,55.8,63.5 };
242 Float_t zCA[4] = { 1.,6.,26.,29. };
243 Float_t wCA[4] = { .014,.086,.42,.48 };
244 Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
246 AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
252 AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
255 // DEFINITION OF THE TRACKING MEDIA
257 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
258 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
259 Int_t isxfld = gAlice->Field()->Integ() ;
260 Float_t sxmgmx = gAlice->Field()->Max() ;
262 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
263 AliMedium(0, "PHOS Xtal $", 0, 1,
264 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
266 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
267 AliMedium(1, "CPV scint. $", 1, 1,
268 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
270 // Various Aluminium parts made of Al -> idtmed[701]
271 AliMedium(2, "Al parts $", 2, 0,
272 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
274 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
275 AliMedium(3, "Tyvek wrapper$", 3, 0,
276 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
278 // The Polystyrene foam around the calorimeter module -> idtmed[703]
279 AliMedium(4, "Polyst. foam $", 4, 0,
280 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
282 // The Titanium around the calorimeter crystal -> idtmed[704]
283 AliMedium(5, "Titan. cover $", 5, 0,
284 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
286 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
287 AliMedium(6, "Si PIN $", 6, 0,
288 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
290 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
291 AliMedium(7, "Thermo Insul.$", 7, 0,
292 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
294 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
295 AliMedium(8, "Textolit $", 8, 0,
296 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
298 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
299 AliMedium(9, "FR4 $", 9, 0,
300 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
303 // The Composite Material for micromegas -> idtmed[709]
304 AliMedium(10, "CompoMat $", 10, 0,
305 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
307 // Copper -> idtmed[710]
308 AliMedium(11, "Copper $", 11, 0,
309 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
311 // G10: Printed Circuit material -> idtmed[711]
313 AliMedium(12, "G10 $", 12, 0,
314 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
316 // The Lead -> idtmed[712]
318 AliMedium(13, "Lead $", 13, 0,
319 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
321 // The gas mixture: ArCo2 -> idtmed[715]
323 AliMedium(16, "ArCo2 $", 16, 1,
324 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
326 // Stainless steel -> idtmed[716]
327 AliMedium(17, "Steel $", 17, 0,
328 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
330 // Fibergalss -> idtmed[717]
331 AliMedium(18, "Fiberglass$", 18, 0,
332 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
334 // Cables in air -> idtmed[718]
335 AliMedium(19, "Cables $", 19, 0,
336 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
338 // Air -> idtmed[798]
339 AliMedium(99, "Air $", 99, 0,
340 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
342 // --- Set decent energy thresholds for gamma and electron tracking
344 // Tracking threshold for photons and electrons in the scintillator crystal
345 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
346 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
348 // --- Generate explicitly delta rays in the titan cover ---
349 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
350 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
351 // --- and in aluminium parts ---
352 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
353 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
354 // --- and in PIN diode
355 gMC->Gstpar(idtmed[705], "LOSS",3) ;
356 gMC->Gstpar(idtmed[705], "DRAY",1) ;
357 // --- and in the passive convertor
358 gMC->Gstpar(idtmed[712], "LOSS",3) ;
359 gMC->Gstpar(idtmed[712], "DRAY",1) ;
360 // Tracking threshold for photons and electrons in the gas ArC02
361 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
362 gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
363 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
364 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
365 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
366 gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
367 gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
368 gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
369 gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
370 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
371 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
372 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
373 gMC->Gstpar(idtmed[715], "STRA",2.) ;
377 //____________________________________________________________________________
378 void AliPHOS::FillESD(AliESD* esd) const
380 // Fill the ESD with all RecParticles
381 AliPHOSGetter *gime = AliPHOSGetter::Instance( (fLoader->GetRunLoader()->GetFileName()).Data() ) ;
382 gime->Event(gime->EventNumber(), "P") ;
383 TClonesArray *recParticles = gime->RecParticles();
384 Int_t nOfRecParticles = recParticles->GetEntries();
385 for (Int_t recpart=0; recpart<nOfRecParticles; recpart++) {
386 AliESDCaloTrack *ct = new AliESDCaloTrack((AliPHOSRecParticle*)recParticles->At(recpart));
387 esd->AddCaloTrack(ct);
391 //____________________________________________________________________________
392 void AliPHOS::Hits2SDigits()
394 // create summable digits
396 AliPHOSSDigitizer* phosDigitizer =
397 new AliPHOSSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
398 phosDigitizer->SetEventRange(0, -1) ; // do all the events
399 phosDigitizer->ExecuteTask("all") ;
402 //____________________________________________________________________________
403 AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
405 //different behaviour than standard (singleton getter)
406 // --> to be discussed and made eventually coherent
407 fLoader = new AliPHOSLoader(GetName(),topfoldername);
411 //____________________________________________________________________________
412 void AliPHOS::SetTreeAddress()
414 // Links Hits in the Tree to Hits array
417 sprintf(branchname,"%s",GetName());
419 // Branch address for hit tree
420 TTree *treeH = TreeH();
422 branch = treeH->GetBranch(branchname);
425 if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
426 //Info("SetTreeAddress","<%s> Setting Hits Address",GetName());
427 branch->SetAddress(&fHits);
432 //____________________________________________________________________________
433 void AliPHOS::Reconstruct() const
435 AliPHOSReconstructioner * rec = new AliPHOSReconstructioner((fLoader->GetRunLoader()->GetFileName()).Data()) ;
436 rec->SetEventRange(0, -1) ; // do all the events
440 //____________________________________________________________________________
441 void AliPHOS::WriteQA()
444 // Make TreeQA in the output file.
447 fTreeQA = new TTree("TreeQA", "QA Alarms") ;
448 // Create Alarms branches
449 Int_t bufferSize = 32000 ;
450 Int_t splitlevel = 0 ;
452 TFolder* topfold = GetLoader()->GetTopFolder(); //get top aliroot folder; skowron
453 TString phosqafn(AliConfig::Instance()->GetQAFolderName()+"/"); //get name of QAaut folder relative to top event; skowron
454 phosqafn+=GetName(); //hard wired string!!! add the detector name to the pathname; skowron
455 TFolder * alarmsF = (TFolder*)topfold->FindObjectAny(phosqafn); //get the folder
459 Error("WriteQA","Can not find folder with qa alarms");
462 TString branchName(alarmsF->GetName());
463 TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel);
464 TString branchTitle = branchName + " QA alarms" ;
465 alarmsBranch->SetTitle(branchTitle);
466 alarmsBranch->Fill() ;