1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
|
/** \file LaserSteppingAction.cc
*
*
* $Date: 2007/06/11 14:44:29 $
* $Revision: 1.3 $
* \author Maarten Thomas
*/
#include "Alignment/LaserAlignmentSimulation/interface/LaserSteppingAction.h"
#include "G4ParticleTypes.hh"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
LaserSteppingAction::LaserSteppingAction(edm::ParameterSet const &theConf)
: theDebugLevel(theConf.getUntrackedParameter<int>("DebugLevel", 0)),
theEnergyLossScalingFactor(theConf.getUntrackedParameter<double>("EnergyLossScalingFactor", 1.0)) {}
LaserSteppingAction::~LaserSteppingAction() {}
void LaserSteppingAction::UserSteppingAction(const G4Step *myStep) {
G4Step *theStep = const_cast<G4Step *>(myStep);
G4Track *theTrack = theStep->GetTrack();
// some debug info
{
G4TrackStatus isGood = theTrack->GetTrackStatus();
LogDebug("LaserAlignmentSimulationStepping")
<< "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: AC1CMS: "
"the PreStep Material = "
<< theStep->GetPreStepPoint()->GetMaterial()->GetName()
<< "\n<LaserSteppingAction::UserSteppingAction(const G4Step *)>: "
"AC1CMS: The Track Status = "
<< isGood;
if (isGood == fStopAndKill)
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: "
"AC1CMS: Track Status = fStopAndKill ";
if (theStep->GetPreStepPoint()->GetProcessDefinedStep() != nullptr)
LogDebug("LaserAlignmentSimulationStepping")
<< "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: "
"AC1CMS: PreStep Process = "
<< theStep->GetPreStepPoint()->GetProcessDefinedStep()->GetProcessName();
if (theStep->GetPostStepPoint()->GetProcessDefinedStep() != nullptr)
LogDebug("LaserAlignmentSimulationStepping")
<< "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: "
"AC1CMS: PostStep Process = "
<< theStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName();
}
// ***********************************************************************************************************
// Set the EnergyDeposit if the photon is absorbed by a active sensor
if ((theStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName() == "OpAbsorption")) {
LogDebug("LaserAlignmentStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step*)>: Photon "
"was absorbed! ";
if (theStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume()->GetSensitiveDetector()) {
double EnergyLoss = theEnergyLossScalingFactor * theTrack->GetTotalEnergy();
// use different energy deposit for the discs depending on the z-position
// to simulate the variable laser power Disc 1 TEC2TEC
if (((theStep->GetPreStepPoint()->GetPosition().z() > 1262.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1382.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1262.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1382.5)) &&
(((theStep->GetPreStepPoint()->GetPosition().phi() > 1.285 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.295) ||
(theStep->GetPreStepPoint()->GetPosition().phi() > 1.84 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.86) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 3.63 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 3.66) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.20 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.23) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.76 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.80)))) {
theStep->AddTotalEnergyDeposit(EnergyLoss);
} // Disc 1 TEC2TEC
// Disc 1
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1262.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1382.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1262.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1382.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2 * 0.2 * 0.2));
} // Disc 1
// Disc 2 TEC2TEC
else if (((theStep->GetPreStepPoint()->GetPosition().z() > 1402.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1522.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1402.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1522.5)) &&
(((theStep->GetPreStepPoint()->GetPosition().phi() > 1.285 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.295) ||
(theStep->GetPreStepPoint()->GetPosition().phi() > 1.84 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.86) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 3.63 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 3.66) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.20 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.23) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.76 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.80)))) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2));
} // Disc 2 TEC2TEC
// Disc 2
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1402.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1522.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1402.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1522.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2 * 0.2));
} // Disc 2
// Disc 3 TEC2TEC
else if (((theStep->GetPreStepPoint()->GetPosition().z() > 1542.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1662.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1542.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1662.5)) &&
(((theStep->GetPreStepPoint()->GetPosition().phi() > 1.285 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.295) ||
(theStep->GetPreStepPoint()->GetPosition().phi() > 1.84 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.86) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 3.63 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 3.66) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.20 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.23) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.76 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.80)))) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2));
} // Disc 3 TEC2TEC
// Disc 3
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1542.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1662.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1542.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1662.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2));
} // Disc 3
// Disc 4 TEC2TEC
else if (((theStep->GetPreStepPoint()->GetPosition().z() > 1682.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1802.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1682.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1802.5)) &&
(((theStep->GetPreStepPoint()->GetPosition().phi() > 1.285 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.295) ||
(theStep->GetPreStepPoint()->GetPosition().phi() > 1.84 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.86) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 3.63 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 3.66) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.20 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.23) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.76 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.80)))) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2 * 0.2));
} // Disc 4 TEC2TEC
// Disc 4
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1682.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1802.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1682.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1802.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2));
} // Disc 4
// Disc 5 TEC2TEC
else if (((theStep->GetPreStepPoint()->GetPosition().z() > 1822.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1942.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1822.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1942.5)) &&
(((theStep->GetPreStepPoint()->GetPosition().phi() > 1.285 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.295) ||
(theStep->GetPreStepPoint()->GetPosition().phi() > 1.84 &&
theStep->GetPreStepPoint()->GetPosition().phi() < 1.86) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 3.63 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 3.66) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.20 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.23) ||
(theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI > 5.76 &&
theStep->GetPreStepPoint()->GetPosition().phi() + 2.0 * M_PI < 5.80)))) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2 * 0.2 * 0.2));
} // Disc 5 TEC2TEC
// Disc 5
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1822.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1942.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1822.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -1942.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss);
} // Disc 5
// Disc 6
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 1997.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 2117.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -1997.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -2117.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss);
} // Disc 6
// Disc 7
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 2187.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 2307.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -2187.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -2307.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2));
} // Disc 7
// Disc 8
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 2392.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 2512.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -2392.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -2512.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2));
} // Disc 8
// Disc 9
else if ((theStep->GetPreStepPoint()->GetPosition().z() > 2607.5 &&
theStep->GetPreStepPoint()->GetPosition().z() < 2727.5) ||
(theStep->GetPreStepPoint()->GetPosition().z() < -2607.5 &&
theStep->GetPreStepPoint()->GetPosition().z() > -2727.5)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2 * 0.2));
} // Disc 9
// Beams in Barrel
else if ((theStep->GetPreStepPoint()->GetPosition().z() > -870.0 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1050.0) &&
(theStep->GetPreStepPoint()->GetPosition().perp() > 500.0 &&
theStep->GetPreStepPoint()->GetPosition().perp() < 630.0)) {
theStep->AddTotalEnergyDeposit(EnergyLoss / (0.2 * 0.2));
} // Beams in the Barrel
else {
// apparently we are not in a detector which should be hit by a
// LaserBeam therefore set the EnergyDeposit to zero and do not create a
// SimHit
theStep->ResetTotalEnergyDeposit();
}
}
}
// kill the photon if it goes through a module in the outer barrel detector.
// In practice on the back of a module is a thin layer of Aluminium that
// absorbs the photons, so hits will only be created in the first layer of the
// TOB. In the current geometry this Aluminium layer is not included. This
// should also avoid unwanted reflections (which then create hits in the TIB
// at the wrong positions)
else if (((theStep->GetPreStepPoint()->GetMaterial()->GetName() == "TOB_Wafer") &&
(theStep->GetPostStepPoint()->GetMaterial()->GetName() == "Air"))) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! ";
theTrack->SetTrackStatus(fStopAndKill);
} else if ((theStep->GetPreStepPoint()->GetPosition().z() > -870.0 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1050.0) &&
(theStep->GetPreStepPoint()->GetPosition().perp() > 630.0)) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! ";
theTrack->SetTrackStatus(fStopAndKill);
}
// do the same for photons that a) go through a module in the inner barrel
// detector or b) are reflected at the surface of a TIB module. The photons in
// case b) can create hits in the TOB at the wrong z positions :-(
else if (((theStep->GetPreStepPoint()->GetMaterial()->GetName() == "TIB_Wafer") &&
(theStep->GetPostStepPoint()->GetMaterial()->GetName() == "Air"))) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! ";
theTrack->SetTrackStatus(fStopAndKill);
} else if ((theStep->GetPreStepPoint()->GetPosition().z() > -870.0 &&
theStep->GetPreStepPoint()->GetPosition().z() < 1050.0) &&
(theStep->GetPreStepPoint()->GetPosition().perp() < 500.0)) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! ";
theTrack->SetTrackStatus(fStopAndKill);
}
// avoid reflections at Disc 1 of TEC- which enter again the Barrel Volume.
// These Photons create hits at the wrong positions in TIB and TOB
else if ((((theStep->GetPreStepPoint()->GetMaterial()->GetName() == "TEC_Wafer") &&
(theStep->GetPostStepPoint()->GetMaterial()->GetName() == "T_Air")) ||
((theStep->GetPreStepPoint()->GetMaterial()->GetName() == "TEC_Wafer") &&
(theStep->GetPostStepPoint()->GetMaterial()->GetName() == "Air"))) &&
(theStep->GetPreStepPoint()->GetMomentum().z() != theStep->GetPostStepPoint()->GetMomentum().z()) &&
(theStep->GetPostStepPoint()->GetPosition().z() == -1137.25)) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! photon in wrong direction";
theTrack->SetTrackStatus(fStopAndKill);
}
// kill photons in the barrel which go in the wrong (i.e. +z) direction; they
// create unwanted hits due to reflections ...
else if ((theStep->GetPostStepPoint()->GetPosition().z() > -1100.0) &&
(theStep->GetPostStepPoint()->GetPosition().z() < 1100.0) &&
(theStep->GetPostStepPoint()->GetMomentumDirection().z() > 0.8)) {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping aborted! photon in wrong direction";
theTrack->SetTrackStatus(fStopAndKill);
} else {
LogDebug("LaserAlignmentSimulationStepping") << " AC1CMS: stepping continuous ... ";
}
// ***********************************************************************************************************
// check if it is alive
if (theTrack->GetTrackStatus() != fAlive) {
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: Track "
"is not alive! -> return ";
return;
}
// check if it is a primary
if (theTrack->GetParentID() != 0) {
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: Track "
"is not a primary! -> return ";
return;
}
// check if it is a optical photon
if (theDebugLevel >= 4) {
G4ParticleDefinition *theOpticalType = theTrack->GetDefinition();
if (theOpticalType == G4OpticalPhoton::OpticalPhotonDefinition()) {
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: "
"Optical Photon found! ";
}
// check in which volume it is
#ifdef EDM_ML_DEBUG
G4StepPoint *thePreStepPoint = theStep->GetPreStepPoint();
G4VPhysicalVolume *thePreStepPhysicalVolume = thePreStepPoint->GetPhysicalVolume();
G4String thePreStepPhysicalVolumeName = thePreStepPhysicalVolume->GetName();
G4Material *thePreStepMaterial = thePreStepPoint->GetMaterial();
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PreStep Position = "
<< thePreStepPoint->GetPosition()
<< "\n<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PreStep Physical Volume = "
<< thePreStepPhysicalVolumeName
<< "\n<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PreStep Material ="
<< thePreStepMaterial->GetName();
G4StepPoint *thePostStepPoint = theStep->GetPostStepPoint();
G4VPhysicalVolume *thePostStepPhysicalVolume = thePostStepPoint->GetPhysicalVolume();
G4String thePostStepPhysicalVolumeName = thePostStepPhysicalVolume->GetName();
G4Material *thePostStepMaterial = thePostStepPoint->GetMaterial();
LogDebug("LaserAlignmentSimulationStepping") << "<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PostStep Position = "
<< thePostStepPoint->GetPosition()
<< "\n<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PostStep Physical Volume = "
<< thePostStepPhysicalVolumeName
<< "\n<LaserSteppingAction::UserSteppingAction(const G4Step *)>: the "
"PostStep Material = "
<< thePostStepMaterial->GetName();
#endif
}
}
|