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25 // 25 //
26 // G4VDecayChannel <<
27 // 26 //
28 // Class description: << 27 // $Id: G4VDecayChannel.hh 93024 2015-09-30 15:59:32Z gcosmo $
29 // 28 //
30 // Abstract class to describe decay kinematics << 29 //
>> 30 // ------------------------------------------------------------
>> 31 // GEANT 4 class header file
>> 32 //
>> 33 // History: first implementation, based on object model of
>> 34 // 27 July 1996 H.Kurashige
>> 35 // 30 May 1997 H.Kurashige
>> 36 // 23 Mar. 2000 H.Weber : add GetAngularMomentum()
>> 37 // ------------------------------------------------------------
>> 38 #ifndef G4VDecayChannel_h
>> 39 #define G4VDecayChannel_h 1
31 40
32 // Author: H.Kurashige, 27 July 1996 << 41 #include <cmath>
33 // ------------------------------------------- <<
34 #ifndef G4VDecayChannel_hh <<
35 #define G4VDecayChannel_hh 1 <<
36 42
37 #include "G4AutoLock.hh" <<
38 #include "G4Threading.hh" <<
39 #include "G4ThreeVector.hh" <<
40 #include "G4ios.hh" 43 #include "G4ios.hh"
41 #include "globals.hh" 44 #include "globals.hh"
>> 45 #include "G4ThreeVector.hh"
>> 46 /////@@#include "G4PDefSplitter.hh"
42 47
43 #include <cmath> << 48 class G4ParticleDefinition;
44 << 49 class G4DecayProducts;
45 class G4ParticleDefinition; << 50 class G4ParticleTable;
46 class G4DecayProducts; << 51
47 class G4ParticleTable; << 52 /////@@class G4DecayChannelData
48 << 53 /////@@{
>> 54 /////@@ // Encapsulates the fields associated to the class G4VDecayChannel that
>> 55 /////@@ // may not be read-only.
>> 56 /////@@
>> 57 /////@@ public:
>> 58 /////@@
>> 59 /////@@ void initialize()
>> 60 /////@@ {
>> 61 /////@@ parent = 0;
>> 62 /////@@ daughters = 0;
>> 63 /////@@ parent_mass = 0.0;
>> 64 /////@@ daughters_mass = 0;
>> 65 /////@@ daughters_width = 0;
>> 66 /////@@ }
>> 67 /////@@
>> 68 /////@@ G4ParticleDefinition* parent;
>> 69 /////@@ G4ParticleDefinition** daughters;
>> 70 /////@@ G4double parent_mass;
>> 71 /////@@ G4double* daughters_mass;
>> 72 /////@@ G4double* daughters_width;
>> 73 /////@@};
>> 74 /////@@
>> 75 /////@@// The type G4DecayChannelManager is introduced to encapsulate the methods used
>> 76 /////@@// by both the master thread and worker threads to allocate memory space for
>> 77 /////@@// the fields encapsulated by the class G4DecayChannelData. When each thread
>> 78 /////@@// initializes the value for these fields, it refers to them using a macro
>> 79 /////@@// definition defined below. For every G4DecayChannel instance, there is
>> 80 /////@@// a corresponding G4DecayChannelData instance. All G4DecayChannelData
>> 81 /////@@// instances are organized by the class G4DecayChannelManager as an array.
>> 82 /////@@// The field "int instanceID" is added to the class G4DecayChannel.
>> 83 /////@@// The value of this field in each G4DecayChannel instance is the subscript
>> 84 /////@@// of the corresponding G4DecayChannelData instance.
>> 85 /////@@// In order to use the class G4DecayChannelManager, we add a static member in
>> 86 /////@@// G4DecayChannel as follows: "static G4DecayChannelManager subInstanceManager".
>> 87 /////@@// For the master thread, the array for G4DecayChannelData instances grows
>> 88 /////@@// dynamically along with G4DecayChannel instances are created.
>> 89 /////@@// For each worker thread, it copies the array of G4DecayChannelData instances
>> 90 /////@@// from the master thread.
>> 91 /////@@// In addition, it invokes a method similiar to the constructor explicitly
>> 92 /////@@// to achieve the partial effect for each instance in the array.
>> 93 /////@@//
>> 94 /////@@typedef G4PDefSplitter<G4DecayChannelData> G4DecayChannelManager;
>> 95 /////@@
>> 96 /////@@// These macros change the references to fields that are now encapsulated
>> 97 /////@@// in the class G4DecayChannelData.
>> 98 /////@@//
>> 99 /////@@#define G4MT_parent ((G4VDecayChannel::subInstanceManager.offset[instanceID]).parent)
>> 100 /////@@#define G4MT_daughters ((G4VDecayChannel::subInstanceManager.offset[instanceID]).daughters)
>> 101 /////@@#define G4MT_parent_mass ((G4VDecayChannel::subInstanceManager.offset[instanceID]).parent_mass)
>> 102 /////@@#define G4MT_daughters_mass ((G4VDecayChannel::subInstanceManager.offset[instanceID]).daughters_mass)
>> 103 /////@@#define G4MT_daughters_width ((G4VDecayChannel::subInstanceManager.offset[instanceID]).daughters_width)
>> 104 /////@@
49 class G4VDecayChannel 105 class G4VDecayChannel
50 { 106 {
51 public: << 107 // Class Description:
52 // Constructors << 108 //
53 G4VDecayChannel(const G4String& aName, G4i << 109 // Abstract class to describe decay kinematics
54 G4VDecayChannel(const G4String& aName, con << 110
55 G4int theNumberOfDaughters << 111 public: // with description
56 const G4String& theDaughte << 112
57 const G4String& theDaughte << 113 // Constructors
>> 114 G4VDecayChannel(const G4String &aName, G4int Verbose = 1);
>> 115 G4VDecayChannel(const G4String &aName,
>> 116 const G4String& theParentName,
>> 117 G4double theBR,
>> 118 G4int theNumberOfDaughters,
>> 119 const G4String& theDaughterName1,
>> 120 const G4String& theDaughterName2 = "",
>> 121 const G4String& theDaughterName3 = "",
>> 122 const G4String& theDaughterName4 = "" );
58 123
59 // Destructor 124 // Destructor
60 virtual ~G4VDecayChannel(); 125 virtual ~G4VDecayChannel();
61 126
62 // Equality operators << 127 // equality operators
63 G4bool operator==(const G4VDecayChannel& r << 128 G4int operator==(const G4VDecayChannel &right) const {return (this == &right);}
64 G4bool operator!=(const G4VDecayChannel& r << 129 G4int operator!=(const G4VDecayChannel &right) const {return (this != &right);}
65 130
66 // Less-than operator is defined for G4Dec << 131 // less-than operator is defined for G4DecayTable
67 inline G4bool operator<(const G4VDecayChan << 132 G4int operator<(const G4VDecayChannel &right) const;
68 133
69 virtual G4DecayProducts* DecayIt(G4double 134 virtual G4DecayProducts* DecayIt(G4double parentMass = -1.0) = 0;
70 135
71 // Get kinematics name << 136 // get kinematics name
72 inline const G4String& GetKinematicsName() << 137 const G4String& GetKinematicsName() const;
73 << 138 // get branching ratio
74 // Get branching ratio << 139 G4double GetBR() const;
75 inline G4double GetBR() const; << 140 // get number of daughter particles
76 << 141 G4int GetNumberOfDaughters() const;
77 // Get number of daughter particles << 142
78 inline G4int GetNumberOfDaughters() const; << 143 // get the pointer to the parent particle
79 << 144 G4ParticleDefinition * GetParent();
80 // Get the pointer to the parent particle << 145 // get the pointer to a daughter particle
81 inline G4ParticleDefinition* GetParent(); << 146 G4ParticleDefinition * GetDaughter(G4int anIndex);
82 147
83 // Get the pointer to a daughter particle << 148 // get the angular momentum of the decay
84 inline G4ParticleDefinition* GetDaughter(G <<
85 <<
86 // Get the angular momentum of the decay <<
87 G4int GetAngularMomentum(); 149 G4int GetAngularMomentum();
>> 150 // get the name of the parent particle
>> 151 const G4String& GetParentName() const;
>> 152 //get the name of a daughter particle
>> 153 const G4String& GetDaughterName(G4int anIndex) const;
>> 154
>> 155 // get mass of parent
>> 156 G4double GetParentMass() const;
>> 157 G4double GetDaughterMass(G4int anIndex) const;
>> 158
>> 159 // set the parent particle (by name or by pointer)
>> 160 void SetParent(const G4ParticleDefinition * particle_type);
>> 161 void SetParent(const G4String &particle_name);
>> 162 // set branching ratio
>> 163 void SetBR(G4double value);
>> 164 // set number of daughter particles
>> 165 void SetNumberOfDaughters(G4int value);
>> 166 // set a daughter particle (by name or by pointer)
>> 167 void SetDaughter(G4int anIndex,
>> 168 const G4ParticleDefinition * particle_type);
>> 169 void SetDaughter(G4int anIndex,
>> 170 const G4String &particle_name);
>> 171
>> 172 void SetVerboseLevel(G4int value);
>> 173 G4int GetVerboseLevel() const;
>> 174 void DumpInfo();
>> 175
>> 176 G4double GetRangeMass() const;
>> 177 void SetRangeMass(G4double val);
>> 178 virtual G4bool IsOKWithParentMass(G4double parentMass);
>> 179
>> 180 void SetPolarization(const G4ThreeVector&);
>> 181 const G4ThreeVector& GetPolarization() const;
>> 182
>> 183 /////@@
>> 184 /////@@ // returns the instance ID.
>> 185 /////@@ inline G4int GetInstanceID() const;
>> 186 /////@@ // returns the private data instance manager.
>> 187 /////@@ static const G4DecayChannelManager& GetSubInstanceManager();
88 188
89 // Get the name of the parent particle << 189 protected: // with description
90 inline const G4String& GetParentName() con <<
91 <<
92 // Get the name of a daughter particle <<
93 inline const G4String& GetDaughterName(G4i <<
94 <<
95 // Get mass of parent <<
96 inline G4double GetParentMass() const; <<
97 <<
98 // Get mass of daughter <<
99 inline G4double GetDaughterMass(G4int anIn <<
100 190
101 // Set the parent particle (by name or by << 191 // clear daughters array
102 void SetParent(const G4ParticleDefinition* << 192 void ClearDaughtersName();
103 inline void SetParent(const G4String& part <<
104 <<
105 // Set branching ratio <<
106 void SetBR(G4double value); <<
107 <<
108 // Set number of daughter particles <<
109 void SetNumberOfDaughters(G4int value); <<
110 <<
111 // Set a daughter particle (by name or by <<
112 void SetDaughter(G4int anIndex, const G4Pa <<
113 void SetDaughter(G4int anIndex, const G4St <<
114 <<
115 inline void SetVerboseLevel(G4int value); <<
116 inline G4int GetVerboseLevel() const; <<
117 void DumpInfo(); <<
118 193
119 inline G4double GetRangeMass() const; << 194 // fill daughters array
120 inline void SetRangeMass(G4double val); << 195 void FillDaughters();
121 virtual G4bool IsOKWithParentMass(G4double << 196 // fill parent
>> 197 void FillParent();
122 198
123 void SetPolarization(const G4ThreeVector&) << 199 protected: // without description
124 inline const G4ThreeVector& GetPolarizatio <<
125 200
126 protected: << 201 // default constructor
127 // Default constructor <<
128 G4VDecayChannel(); 202 G4VDecayChannel();
129 203
130 // Copy constructor and assignment operato << 204 // copy constructor and assignment operator
131 G4VDecayChannel(const G4VDecayChannel&); << 205 G4VDecayChannel(const G4VDecayChannel &);
132 G4VDecayChannel& operator=(const G4VDecayC << 206 G4VDecayChannel & operator=(const G4VDecayChannel &);
133 207
134 // Clear daughters array << 208 private:
135 void ClearDaughtersName(); <<
136 209
137 inline void CheckAndFillDaughters(); << 210 const G4String& GetNoName() const;
138 inline void CheckAndFillParent(); <<
139 211
140 G4double DynamicalMass(G4double massPDG, G << 212 protected:
>> 213 G4double DynamicalMass(G4double massPDG, G4double width, G4double maxDev = +1.) const;
141 214
142 protected: 215 protected:
143 // Kinematics name <<
144 G4String kinematics_name = ""; <<
145 // Branching ratio [0.0 - 1.0] <<
146 G4double rbranch = 0.0; <<
147 // Parent particle <<
148 G4String* parent_name = nullptr; <<
149 // Daughter particles <<
150 G4String** daughters_name = nullptr; <<
151 216
152 // Range of mass allowed in decay << 217 // kinematics name
153 G4double rangeMass = 2.5; << 218 G4String kinematics_name;
>> 219 // branching ratio [0.0 - 1.0]
>> 220 G4double rbranch;
>> 221 // number of daughters
>> 222 G4int numberOfDaughters;
>> 223 // parent particle
>> 224 G4String* parent_name;
>> 225 // daughter particles
>> 226 G4String** daughters_name;
>> 227
>> 228 // range of mass allowed in decay
>> 229 G4double rangeMass;
154 230
155 // Polarization of the parent particle << 231 // polarization of the parent particle
156 G4ThreeVector parent_polarization; 232 G4ThreeVector parent_polarization;
>> 233
>> 234 // pointer to particle table
>> 235 G4ParticleTable* particletable;
157 236
158 // Pointer to particle table << 237 // control flag for output message
159 G4ParticleTable* particletable = nullptr; << 238 G4int verboseLevel;
160 <<
161 static const G4String noName; <<
162 <<
163 G4ParticleDefinition* G4MT_parent = nullpt <<
164 G4ParticleDefinition** G4MT_daughters = nu <<
165 G4double G4MT_parent_mass = 0.0; <<
166 G4double* G4MT_daughters_mass = nullptr; <<
167 G4double* G4MT_daughters_width = nullptr; <<
168 G4Mutex daughtersMutex; <<
169 G4Mutex parentMutex; <<
170 <<
171 // Number of daughters <<
172 G4int numberOfDaughters = 0; <<
173 <<
174 // Control flag for output message <<
175 // 0: Silent 239 // 0: Silent
176 // 1: Warning message 240 // 1: Warning message
177 // 2: More 241 // 2: More
178 G4int verboseLevel = 1; <<
179 242
180 private: << 243 static const G4String noName;
181 // Fill daughters array <<
182 void FillDaughters(); <<
183 <<
184 // Fill parent <<
185 void FillParent(); <<
186 244
187 const G4String& GetNoName() const; << 245 /////@@ // This field is used as instance ID.
>> 246 /////@@ G4int instanceID;
>> 247 /////@@ // This field helps to use the class G4DecayChannelManager introduced above.
>> 248 /////@@ G4PART_DLL static G4DecayChannelManager subInstanceManager;
>> 249 G4ParticleDefinition* G4MT_parent;
>> 250 G4ParticleDefinition** G4MT_daughters;
>> 251 G4double G4MT_parent_mass;
>> 252 G4double* G4MT_daughters_mass;
>> 253 G4double* G4MT_daughters_width;
188 }; 254 };
189 255
190 // ------------------------------------------- 256 // ------------------------------------------------------------
191 // Inline methods 257 // Inline methods
192 // ------------------------------------------- 258 // ------------------------------------------------------------
193 259
194 inline G4bool G4VDecayChannel::operator<(const << 260 inline
>> 261 G4int G4VDecayChannel::operator<(const G4VDecayChannel &right) const
195 { 262 {
196 return (this->rbranch < right.rbranch); 263 return (this->rbranch < right.rbranch);
197 } 264 }
198 265
199 inline G4ParticleDefinition* G4VDecayChannel:: << 266 inline
200 { << 267 G4ParticleDefinition* G4VDecayChannel::GetDaughter(G4int anIndex)
201 // pointers to daughter particles are filled << 268 {
202 CheckAndFillDaughters(); << 269 // pointers to daughter particles are filled, if they are not set yet
>> 270 if (G4MT_daughters == 0) FillDaughters();
203 271
204 // get the pointer to a daughter particle 272 // get the pointer to a daughter particle
205 if ((anIndex >= 0) && (anIndex < numberOfDau << 273 if ( (anIndex>=0) && (anIndex<numberOfDaughters) ) {
206 return G4MT_daughters[anIndex]; 274 return G4MT_daughters[anIndex];
>> 275 } else {
>> 276 if (verboseLevel>0)
>> 277 G4cout << "G4VDecayChannel::GetDaughter index out of range "<<anIndex<<G4endl;
>> 278 return 0;
207 } 279 }
208 <<
209 if (verboseLevel > 0) <<
210 G4cout << "G4VDecayChannel::GetDaughter i <<
211 return nullptr; <<
212 } 280 }
213 281
214 inline const G4String& G4VDecayChannel::GetDau << 282 inline
>> 283 const G4String& G4VDecayChannel::GetDaughterName(G4int anIndex) const
215 { 284 {
216 if ((anIndex >= 0) && (anIndex < numberOfDau << 285 if ( (anIndex>=0) && (anIndex<numberOfDaughters) ) {
217 return *daughters_name[anIndex]; 286 return *daughters_name[anIndex];
>> 287 } else {
>> 288 if (verboseLevel>0){
>> 289 G4cout << "G4VDecayChannel::GetDaughterName ";
>> 290 G4cout << "index out of range " << anIndex << G4endl;
>> 291 }
>> 292 return GetNoName();
218 } 293 }
219 <<
220 if (verboseLevel > 0) { <<
221 G4cout << "G4VDecayChannel::GetDaughterNam <<
222 G4cout << "index out of range " << anIndex <<
223 } <<
224 return GetNoName(); <<
225 } 294 }
226 295
227 inline G4double G4VDecayChannel::GetDaughterMa << 296 inline
>> 297 G4double G4VDecayChannel::GetDaughterMass(G4int anIndex) const
228 { 298 {
229 if ((anIndex >= 0) && (anIndex < numberOfDau << 299 if ( (anIndex>=0) && (anIndex<numberOfDaughters) ) {
230 return G4MT_daughters_mass[anIndex]; 300 return G4MT_daughters_mass[anIndex];
>> 301 } else {
>> 302 if (verboseLevel>0){
>> 303 G4cout << "G4VDecayChannel::GetDaughterMass ";
>> 304 G4cout << "index out of range " << anIndex << G4endl;
>> 305 }
>> 306 return 0.0;
231 } 307 }
232 <<
233 if (verboseLevel > 0) { <<
234 G4cout << "G4VDecayChannel::GetDaughterMas <<
235 G4cout << "index out of range " << anIndex <<
236 } <<
237 return 0.0; <<
238 } 308 }
239 309
240 inline G4ParticleDefinition* G4VDecayChannel:: << 310 inline
241 { << 311 G4ParticleDefinition* G4VDecayChannel::GetParent()
242 // the pointer to the parent particle is fil << 312 {
243 CheckAndFillParent(); << 313 // the pointer to the parent particle is filled, if it is not set yet
>> 314 if (G4MT_parent == 0) FillParent();
244 // get the pointer to the parent particle 315 // get the pointer to the parent particle
245 return G4MT_parent; 316 return G4MT_parent;
246 } 317 }
247 318
248 inline const G4String& G4VDecayChannel::GetPar << 319 inline
>> 320 const G4String& G4VDecayChannel::GetParentName() const
249 { 321 {
250 return *parent_name; 322 return *parent_name;
251 } 323 }
252 324
253 inline G4double G4VDecayChannel::GetParentMass << 325 inline
>> 326 G4double G4VDecayChannel::GetParentMass() const
254 { 327 {
255 return G4MT_parent_mass; 328 return G4MT_parent_mass;
256 } 329 }
257 330
258 inline void G4VDecayChannel::SetParent(const G << 331 inline
>> 332 void G4VDecayChannel::SetParent(const G4String &particle_name)
259 { 333 {
260 delete parent_name; << 334 if (parent_name != 0) delete parent_name;
261 parent_name = new G4String(particle_name); 335 parent_name = new G4String(particle_name);
262 G4MT_parent = nullptr; << 336 G4MT_parent = 0;
263 } 337 }
264 338
265 inline G4int G4VDecayChannel::GetNumberOfDaugh << 339 inline
266 { << 340 G4int G4VDecayChannel::GetNumberOfDaughters() const
267 return numberOfDaughters; << 341 {
>> 342 return numberOfDaughters;
268 } 343 }
269 344
270 inline const G4String& G4VDecayChannel::GetKin << 345 inline
271 { << 346 const G4String& G4VDecayChannel::GetKinematicsName() const { return kinematics_name; }
272 return kinematics_name; <<
273 } <<
274 347
275 inline G4double G4VDecayChannel::GetBR() const << 348 inline
276 { << 349 void G4VDecayChannel::SetBR(G4double value){ rbranch = value; }
277 return rbranch; <<
278 } <<
279 350
280 inline void G4VDecayChannel::SetVerboseLevel(G << 351 inline
281 { << 352 G4double G4VDecayChannel::GetBR() const { return rbranch; }
282 verboseLevel = value; <<
283 } <<
284 353
285 inline G4int G4VDecayChannel::GetVerboseLevel( << 354 inline
286 { << 355 void G4VDecayChannel::SetVerboseLevel(G4int value){ verboseLevel = value; }
287 return verboseLevel; <<
288 } <<
289 356
290 inline G4double G4VDecayChannel::GetRangeMass( << 357 inline
291 { << 358 G4int G4VDecayChannel::GetVerboseLevel() const { return verboseLevel; }
292 return rangeMass; <<
293 } <<
294 359
295 inline void G4VDecayChannel::SetRangeMass(G4do << 360 inline
296 { << 361 G4double G4VDecayChannel::GetRangeMass() const { return rangeMass; }
297 if (val >= 0.) rangeMass = val; <<
298 } <<
299 362
300 inline void G4VDecayChannel::SetPolarization(c << 363 inline
>> 364 void G4VDecayChannel::SetRangeMass(G4double val){ if(val>=0.) rangeMass=val; }
>> 365
>> 366 inline
>> 367 void G4VDecayChannel::SetPolarization(const G4ThreeVector& polar)
301 { 368 {
302 parent_polarization = polar; 369 parent_polarization = polar;
303 } 370 }
304 371
305 inline const G4ThreeVector& G4VDecayChannel::G << 372 inline
>> 373 const G4ThreeVector& G4VDecayChannel::GetPolarization() const
306 { 374 {
307 return parent_polarization; 375 return parent_polarization;
308 } 376 }
309 377
310 inline void G4VDecayChannel::CheckAndFillDaugh << 378
311 { << 379 /////@@inline
312 G4AutoLock l(&daughtersMutex); << 380 /////@@ G4int G4VDecayChannel::GetInstanceID() const { return instanceID; }
313 if (G4MT_daughters == nullptr) { <<
314 l.unlock(); <<
315 FillDaughters(); <<
316 } <<
317 } <<
318 <<
319 inline void G4VDecayChannel::CheckAndFillParen <<
320 { <<
321 G4AutoLock l(&parentMutex); <<
322 if (G4MT_parent == nullptr) { <<
323 l.unlock(); <<
324 FillParent(); <<
325 } <<
326 } <<
327 381
328 #endif 382 #endif
329 383