Line data Source code
1 : // ParticleData.h is a part of the PYTHIA event generator.
2 : // Copyright (C) 2015 Torbjorn Sjostrand.
3 : // PYTHIA is licenced under the GNU GPL version 2, see COPYING for details.
4 : // Please respect the MCnet Guidelines, see GUIDELINES for details.
5 :
6 : // Header file for the classes containing particle data.
7 : // DecayChannel contains info on a single decay channel.
8 : // ParticleDataEntry contains info on a single particle species.
9 : // ParticleData collects info on all particles as a map.
10 :
11 : #ifndef Pythia8_ParticleData_H
12 : #define Pythia8_ParticleData_H
13 :
14 : #include "Pythia8/Basics.h"
15 : #include "Pythia8/Info.h"
16 : #include "Pythia8/PythiaStdlib.h"
17 : #include "Pythia8/Settings.h"
18 : #include "Pythia8/StandardModel.h"
19 :
20 : namespace Pythia8 {
21 :
22 : //==========================================================================
23 :
24 : // Forward reference to some classes.
25 : class ParticleData;
26 : class ResonanceWidths;
27 : class Couplings;
28 : class CoupSUSY;
29 : class SUSYResonanceWidths;
30 :
31 : //==========================================================================
32 :
33 : // This class holds info on a single decay channel.
34 :
35 : class DecayChannel {
36 :
37 : public:
38 : // Constructor.
39 : DecayChannel(int onModeIn = 0, double bRatioIn = 0., int meModeIn = 0,
40 : int prod0 = 0, int prod1 = 0, int prod2 = 0, int prod3 = 0,
41 : int prod4 = 0, int prod5 = 0, int prod6 = 0, int prod7 = 0)
42 : : onModeSave(onModeIn), bRatioSave(bRatioIn), currentBRSave(0.),
43 : onShellWidthSave(0.), openSecPos(1.), openSecNeg(1.),
44 : meModeSave(meModeIn), nProd(0), hasChangedSave(true) {
45 : prod[0] = prod0; prod[1] = prod1; prod[2] = prod2; prod[3] = prod3;
46 : prod[4] = prod4; prod[5] = prod5; prod[6] = prod6; prod[7] = prod7;
47 : for (int j = 0; j < 8; ++j) if (prod[j] != 0 && j == nProd) ++nProd; }
48 :
49 : // Member functions for input.
50 : void onMode(int onModeIn) {onModeSave = onModeIn; hasChangedSave = true;}
51 : void bRatio(double bRatioIn, bool countAsChanged = true) {
52 : bRatioSave = bRatioIn; if (countAsChanged) hasChangedSave = true;}
53 : void rescaleBR(double fac) {bRatioSave *= fac; hasChangedSave = true;}
54 : void meMode(int meModeIn) {meModeSave = meModeIn; hasChangedSave = true;}
55 : void multiplicity(int multIn) {nProd = multIn; hasChangedSave = true;}
56 : void product(int i, int prodIn) {prod[i] = prodIn; nProd = 0;
57 : for (int j = 0; j < 8; ++j) if (prod[j] != 0 && j == nProd) ++nProd;
58 : hasChangedSave = true;}
59 : void setHasChanged(bool hasChangedIn) {hasChangedSave = hasChangedIn;}
60 :
61 : // Member functions for output.
62 : int onMode() const {return onModeSave;}
63 : double bRatio() const {return bRatioSave;}
64 : int meMode() const {return meModeSave;}
65 : int multiplicity() const {return nProd;}
66 : int product(int i) const {return (i >= 0 && i < nProd) ? prod[i] : 0;}
67 : bool hasChanged() const { return hasChangedSave;}
68 :
69 : // Check for presence of particles anywhere in decay list.
70 : bool contains(int id1) const;
71 : bool contains(int id1, int id2) const;
72 : bool contains(int id1, int id2, int id3) const;
73 :
74 : // Input/output for current selection of decay modes.
75 : // Takes into account on/off switches and dynamic width for resonances.
76 : void currentBR(double currentBRIn) {currentBRSave = currentBRIn;}
77 : double currentBR() const {return currentBRSave;}
78 :
79 : // Input/output for nominal partial width; used by resonances.
80 : void onShellWidth(double onShellWidthIn) {
81 : onShellWidthSave = onShellWidthIn;}
82 : double onShellWidth() const {return onShellWidthSave;}
83 : void onShellWidthFactor(double factor) {onShellWidthSave *= factor;}
84 :
85 : // Input/output for fraction of secondary open widths; used by resonances.
86 : void openSec(int idSgn, double openSecIn) {
87 : if (idSgn > 0) openSecPos = openSecIn; else openSecNeg = openSecIn;}
88 : double openSec(int idSgn) const {
89 : return (idSgn > 0) ? openSecPos : openSecNeg;}
90 :
91 : private:
92 :
93 : // Decay channel info.
94 : int onModeSave;
95 : double bRatioSave, currentBRSave, onShellWidthSave, openSecPos,
96 : openSecNeg;
97 : int meModeSave, nProd, prod[8];
98 : bool hasChangedSave;
99 :
100 : };
101 :
102 : //==========================================================================
103 :
104 : // This class holds info on a single particle species.
105 :
106 0 : class ParticleDataEntry {
107 :
108 : public:
109 :
110 : // Constructors: for antiparticle exists or not.
111 0 : ParticleDataEntry(int idIn = 0, string nameIn = " ",
112 : int spinTypeIn = 0, int chargeTypeIn = 0, int colTypeIn = 0,
113 : double m0In = 0., double mWidthIn = 0., double mMinIn = 0.,
114 0 : double mMaxIn = 0., double tau0In = 0.) : idSave(abs(idIn)),
115 0 : nameSave(nameIn), antiNameSave("void"), spinTypeSave(spinTypeIn),
116 0 : chargeTypeSave(chargeTypeIn), colTypeSave(colTypeIn), m0Save(m0In),
117 0 : mWidthSave (mWidthIn), mMinSave(mMinIn), mMaxSave(mMaxIn),
118 0 : tau0Save(tau0In), hasAntiSave(false), hasChangedSave(true),
119 0 : resonancePtr(0) {setDefaults();}
120 : ParticleDataEntry(int idIn, string nameIn, string antiNameIn,
121 : int spinTypeIn = 0, int chargeTypeIn = 0, int colTypeIn = 0,
122 : double m0In = 0., double mWidthIn = 0., double mMinIn = 0.,
123 : double mMaxIn = 0., double tau0In = 0.) : idSave(abs(idIn)),
124 : nameSave(nameIn), antiNameSave(antiNameIn), spinTypeSave(spinTypeIn),
125 : chargeTypeSave(chargeTypeIn), colTypeSave(colTypeIn), m0Save(m0In),
126 : mWidthSave (mWidthIn), mMinSave(mMinIn), mMaxSave(mMaxIn),
127 : tau0Save(tau0In), hasAntiSave(true), hasChangedSave(true),
128 : resonancePtr(0) {setDefaults();
129 : if (toLower(antiNameIn) == "void") hasAntiSave = false;}
130 :
131 : // Destructor: delete any ResonanceWidths object.
132 : ~ParticleDataEntry();
133 :
134 : // Initialization of some particle flags.
135 : void setDefaults();
136 :
137 : // Store pointer to whole particle data table/database.
138 : void initPtr( ParticleData* particleDataPtrIn) {
139 : particleDataPtr = particleDataPtrIn;}
140 :
141 : // Reset all the properties of an existing particle.
142 : void setAll(string nameIn, string antiNameIn, int spinTypeIn = 0,
143 : int chargeTypeIn = 0, int colTypeIn = 0, double m0In = 0.,
144 : double mWidthIn = 0., double mMinIn = 0., double mMaxIn = 0.,
145 : double tau0In = 0.)
146 : {nameSave = nameIn; antiNameSave = antiNameIn; hasAntiSave = true;
147 : if (toLower(antiNameIn) == "void") hasAntiSave = false;
148 : spinTypeSave = spinTypeIn; chargeTypeSave = chargeTypeIn;
149 : colTypeSave = colTypeIn; m0Save = m0In; mWidthSave = mWidthIn;
150 : mMinSave = mMinIn; mMaxSave = mMaxIn; tau0Save = tau0In;
151 : setDefaults(); hasChangedSave = true;}
152 :
153 : // Change current values one at a time (or set if not set before).
154 : // (Must use set here since else name+signature clash with get methods.)
155 : void setName(string nameIn) {nameSave = nameIn; hasChangedSave = true;}
156 : void setAntiName(string antiNameIn) {antiNameSave = antiNameIn;
157 : hasChangedSave = true;}
158 : void setNames(string nameIn, string antiNameIn) {nameSave = nameIn;
159 : antiNameSave = antiNameIn; hasAntiSave = true; if (toLower(antiNameIn)
160 : == "void") hasAntiSave = false; hasChangedSave = true;}
161 : void setSpinType(int spinTypeIn) {spinTypeSave = spinTypeIn;
162 : hasChangedSave = true;}
163 : void setChargeType(int chargeTypeIn) {chargeTypeSave = chargeTypeIn;
164 : hasChangedSave = true;}
165 : void setColType(int colTypeIn) {colTypeSave = colTypeIn;
166 : hasChangedSave = true;}
167 : void setM0(double m0In) {m0Save = m0In; setConstituentMass();
168 : hasChangedSave = true;}
169 : void setMWidth(double mWidthIn, bool countAsChanged = true) {
170 : mWidthSave = mWidthIn; if (countAsChanged) hasChangedSave = true;}
171 : void setMMin(double mMinIn) {mMinSave = mMinIn; hasChangedSave = true;}
172 : void setMMax(double mMaxIn) {mMaxSave = mMaxIn; hasChangedSave = true;}
173 : // Special options specifically when cutting wings of Breit-Wigners.
174 : void setMMinNoChange(double mMinIn) {mMinSave = mMinIn;}
175 : void setMMaxNoChange(double mMaxIn) {mMaxSave = mMaxIn;}
176 : void setTau0(double tau0In) {tau0Save = tau0In; hasChangedSave = true;}
177 : void setIsResonance(bool isResonanceIn) {isResonanceSave = isResonanceIn;
178 : hasChangedSave = true;}
179 : void setMayDecay(bool mayDecayIn, bool countAsChanged = true) {
180 : mayDecaySave = mayDecayIn; if (countAsChanged) hasChangedSave = true;}
181 : void setDoExternalDecay(bool doExternalDecayIn)
182 : {doExternalDecaySave = doExternalDecayIn; hasChangedSave = true;}
183 : void setIsVisible(bool isVisibleIn) {isVisibleSave = isVisibleIn;
184 : hasChangedSave = true;}
185 : void setDoForceWidth(bool doForceWidthIn) {doForceWidthSave = doForceWidthIn;
186 : hasChangedSave = true;}
187 : void setHasChanged(bool hasChangedIn) {hasChangedSave = hasChangedIn;
188 : for (int i = 0; i < int(channels.size()); ++i)
189 : channels[i].setHasChanged(hasChangedIn);}
190 :
191 : // Give back current values.
192 : int id() const { return idSave; }
193 0 : bool hasAnti() const { return hasAntiSave; }
194 : string name(int idIn = 1) const {
195 0 : return (idIn > 0) ? nameSave : antiNameSave; }
196 : int spinType() const {return spinTypeSave; }
197 : int chargeType(int idIn = 1) const {
198 : return (idIn > 0) ? chargeTypeSave : -chargeTypeSave; }
199 : double charge(int idIn = 1) const {
200 : return (idIn > 0) ? chargeTypeSave / 3. : -chargeTypeSave / 3.; }
201 : int colType(int idIn = 1) const {
202 : if (colTypeSave == 2) return colTypeSave;
203 : return (idIn > 0) ? colTypeSave : -colTypeSave; }
204 : double m0() const { return m0Save; }
205 : double mWidth() const { return mWidthSave; }
206 : double mMin() const { return mMinSave; }
207 : double mMax() const { return mMaxSave; }
208 : double m0Min() const {
209 : return (modeBWnow == 0) ? m0Save : mMinSave; }
210 : double m0Max() const {
211 : return (modeBWnow == 0) ? m0Save : mMaxSave; }
212 : double tau0() const { return tau0Save; }
213 : bool isResonance() const { return isResonanceSave; }
214 : bool mayDecay() const { return mayDecaySave; }
215 : bool doExternalDecay() const { return doExternalDecaySave; }
216 : bool isVisible() const { return isVisibleSave; }
217 : bool doForceWidth() const { return doForceWidthSave; }
218 : bool hasChanged() const { if (hasChangedSave) return true;
219 : for (int i = 0; i < int(channels.size()); ++i)
220 : if (channels[i].hasChanged()) return true; return false;}
221 :
222 : // Set and give back several mass-related quantities.
223 : void initBWmass();
224 : double constituentMass() const { return constituentMassSave; }
225 : double mSel();
226 : double mRun(double mH);
227 :
228 : // Give back other quantities.
229 : bool useBreitWigner() const { return (modeBWnow > 0); }
230 : bool canDecay() const { return (channels.size() > 0);}
231 : bool isLepton() const { return (idSave > 10 && idSave < 19);}
232 0 : bool isQuark() const { return (idSave != 0 && idSave < 9);}
233 0 : bool isGluon() const { return (idSave == 21);}
234 : bool isDiquark() const { return (idSave > 1000 && idSave < 10000
235 : && (idSave/10)%10 == 0);}
236 : bool isParton() const { return ( idSave == 21
237 : || (idSave != 0 && idSave < 6)
238 : || (idSave > 1000 && idSave < 5510 && (idSave/10)%10 == 0) );}
239 : bool isHadron() const;
240 : bool isMeson() const;
241 : bool isBaryon() const;
242 :
243 : // Intermediate octet ccbar or bbar states in colour-octet model.
244 : bool isOctetHadron() const {return idSave >= 9940000
245 : && idSave < 9960000; }
246 : int heaviestQuark(int idIn = 1) const;
247 : int baryonNumberType(int idIn = 1) const;
248 :
249 : // Reset to empty decay table.
250 : void clearChannels() {channels.resize(0);}
251 :
252 : // Add a decay channel to the decay table.
253 : void addChannel(int onMode = 0, double bRatio = 0., int meMode = 0,
254 : int prod0 = 0, int prod1 = 0, int prod2 = 0, int prod3 = 0,
255 : int prod4 = 0, int prod5 = 0, int prod6 = 0, int prod7 = 0) {
256 : channels.push_back( DecayChannel( onMode, bRatio, meMode, prod0,
257 : prod1, prod2, prod3, prod4, prod5, prod6, prod7) ); }
258 :
259 : // Decay table size.
260 : int sizeChannels() const {return channels.size();}
261 :
262 : // Gain access to a channel in the decay table.
263 : DecayChannel& channel(int i){return channels[i];}
264 : const DecayChannel& channel(int i) const {return channels[i];}
265 :
266 : // Rescale sum of branching ratios to unity.
267 : void rescaleBR(double newSumBR = 1.);
268 :
269 : // Random choice of decay channel according to branching ratios.
270 : bool preparePick(int idSgn, double mHat = 0., int idInFlav = 0);
271 : DecayChannel& pickChannel();
272 :
273 : // Access methods stored in ResonanceWidths.
274 : void setResonancePtr(ResonanceWidths* resonancePtrIn);
275 : ResonanceWidths* getResonancePtr() {return resonancePtr;}
276 : void resInit(Info* infoPtrIn, Settings* settingsPtrIn,
277 : ParticleData* particleDataPtrIn, Couplings* couplingsPtrIn);
278 : double resWidth(int idSgn, double mHat, int idIn = 0,
279 : bool openOnly = false, bool setBR = false);
280 : double resWidthOpen(int idSgn, double mHat, int idIn = 0);
281 : double resWidthStore(int idSgn, double mHat, int idIn = 0);
282 : double resOpenFrac(int idSgn);
283 : double resWidthRescaleFactor();
284 : double resWidthChan(double mHat, int idAbs1 = 0, int idAbs2 = 0);
285 :
286 : private:
287 :
288 : // Constants: could only be changed in the code itself.
289 : static const int INVISIBLENUMBER, INVISIBLETABLE[52], KNOWNNOWIDTH[3];
290 : static const double MAXTAU0FORDECAY,MINMASSRESONANCE, NARROWMASS,
291 : CONSTITUENTMASSTABLE[10];
292 :
293 : // Particle data.
294 : int idSave;
295 : string nameSave, antiNameSave;
296 : int spinTypeSave, chargeTypeSave, colTypeSave;
297 : double m0Save, mWidthSave, mMinSave, mMaxSave, tau0Save,
298 : constituentMassSave;
299 : bool hasAntiSave, isResonanceSave, mayDecaySave, doExternalDecaySave,
300 : isVisibleSave, doForceWidthSave, hasChangedSave;
301 :
302 : // Extra data for mass selection according to a Breit-Wigner.
303 : int modeBWnow;
304 : double atanLow, atanDif, mThr;
305 :
306 : // A vector containing all the decay channels of the particle.
307 : vector<DecayChannel> channels;
308 :
309 : // Summed branching ratio of currently open channels.
310 : double currentBRSum;
311 :
312 : // Pointer to ResonanceWidths object; only used for some particles.
313 : ResonanceWidths* resonancePtr;
314 :
315 : // Pointer to the full particle data table.
316 : ParticleData* particleDataPtr;
317 :
318 : // Set constituent mass.
319 : void setConstituentMass();
320 :
321 : // Useful functions for string handling.
322 : string toLower(const string& nameConv) { string temp(nameConv);
323 : for (int i = 0; i < int(temp.length()); ++i) temp[i] = tolower(temp[i]);
324 : return temp; }
325 :
326 : };
327 :
328 : //==========================================================================
329 :
330 : // This class holds a map of all ParticleDataEntries.
331 :
332 0 : class ParticleData {
333 :
334 : public:
335 :
336 : // Constructor.
337 0 : ParticleData() : infoPtr(0), settingsPtr(0), rndmPtr(0), couplingsPtr(0),
338 0 : particlePtr(0), isInit(false), readingFailedSave(false) {}
339 :
340 : // Initialize pointers.
341 : void initPtr(Info* infoPtrIn, Settings* settingsPtrIn, Rndm* rndmPtrIn,
342 : Couplings* couplingsPtrIn) {infoPtr = infoPtrIn;
343 : settingsPtr = settingsPtrIn; rndmPtr = rndmPtrIn;
344 : couplingsPtr = couplingsPtrIn;}
345 :
346 : // Read in database from specific file.
347 : bool init(string startFile = "../xmldoc/ParticleData.xml") {
348 : initCommon(); return readXML(startFile);}
349 :
350 : // Overwrite existing database by reading from specific file.
351 : bool reInit(string startFile, bool xmlFormat = true) { initCommon();
352 : return (xmlFormat) ? readXML(startFile) : readFF(startFile);}
353 :
354 : // Initialize pointers, normal Breit-Wigners and special resonances.
355 : void initWidths(vector<ResonanceWidths*> resonancePtrs);
356 :
357 : // Read or list whole (or part of) database from/to an XML file.
358 : bool readXML(string inFile, bool reset = true) ;
359 : void listXML(string outFile);
360 :
361 : // Read or list whole (or part of) database from/to a free format file.
362 : bool readFF(string inFile, bool reset = true) ;
363 : void listFF(string outFile);
364 :
365 : // Read in one update from a single line.
366 : bool readString(string lineIn, bool warn = true, ostream& os = cout) ;
367 :
368 : // Keep track whether any readings have failed, invalidating run setup.
369 : bool readingFailed() {return readingFailedSave;}
370 :
371 : // Print out table of whole database, or of only part of it.
372 : void listAll(ostream& os = cout) {list(false, true, os);}
373 : void listChanged(ostream& os = cout) {list(true, false, os);}
374 : void listChanged(bool changedRes, ostream& os = cout) {
375 : list(true, changedRes, os);}
376 : void list(bool changedOnly = false, bool changedRes = true,
377 : ostream& os = cout);
378 :
379 : // Print out specified particles.
380 : void list(int idList, ostream& os = cout) {vector<int> idListTemp;
381 : idListTemp.push_back(idList); list( idListTemp, os);}
382 : void list(vector<int> idList, ostream& os = cout);
383 :
384 : // Check that table makes sense, especially for decays.
385 : void checkTable(ostream& os = cout) {checkTable(1, os);};
386 : void checkTable(int verbosity, ostream& os = cout) ;
387 :
388 : // Add new entry.
389 : void addParticle(int idIn, string nameIn = " ", int spinTypeIn = 0,
390 : int chargeTypeIn = 0, int colTypeIn = 0, double m0In = 0.,
391 : double mWidthIn = 0., double mMinIn = 0., double mMaxIn = 0.,
392 : double tau0In = 0.) { pdt[abs(idIn)] = ParticleDataEntry(idIn,
393 : nameIn, spinTypeIn, chargeTypeIn, colTypeIn, m0In, mWidthIn,
394 : mMinIn, mMaxIn, tau0In); pdt[abs(idIn)].initPtr(this); }
395 : void addParticle(int idIn, string nameIn, string antiNameIn,
396 : int spinTypeIn = 0, int chargeTypeIn = 0, int colTypeIn = 0,
397 : double m0In = 0., double mWidthIn = 0., double mMinIn = 0.,
398 : double mMaxIn = 0., double tau0In = 0.) { pdt[abs(idIn)]
399 : = ParticleDataEntry(idIn, nameIn, antiNameIn, spinTypeIn,
400 : chargeTypeIn, colTypeIn, m0In, mWidthIn, mMinIn, mMaxIn, tau0In);
401 : pdt[abs(idIn)].initPtr(this); }
402 :
403 : // Reset all the properties of an entry in one go.
404 : void setAll(int idIn, string nameIn, string antiNameIn,
405 : int spinTypeIn = 0, int chargeTypeIn = 0, int colTypeIn = 0,
406 : double m0In = 0., double mWidthIn = 0., double mMinIn = 0.,
407 : double mMaxIn = 0.,double tau0In = 0.) { if (isParticle(idIn))
408 : pdt[abs(idIn)].setAll( nameIn, antiNameIn, spinTypeIn, chargeTypeIn,
409 : colTypeIn, m0In, mWidthIn, mMinIn, mMaxIn, tau0In); }
410 :
411 : // Query existence of an entry.
412 : bool isParticle(int idIn) {
413 0 : if (pdt.find(abs(idIn)) == pdt.end()) return false;
414 0 : if (idIn > 0 || pdt[abs(idIn)].hasAnti()) return true;
415 0 : return false; }
416 :
417 : // Return the id of the sequentially next particle stored in table.
418 : int nextId(int idIn) ;
419 :
420 : // Change current values one at a time (or set if not set before).
421 : void name(int idIn, string nameIn) {
422 : if (isParticle(idIn)) pdt[abs(idIn)].setName(nameIn); }
423 : void antiName(int idIn, string antiNameIn) {
424 : if (isParticle(idIn)) pdt[abs(idIn)].setAntiName(antiNameIn); }
425 : void names(int idIn, string nameIn, string antiNameIn) {
426 : if (isParticle(idIn)) pdt[abs(idIn)].setNames(nameIn, antiNameIn); }
427 : void spinType(int idIn, int spinTypeIn) {
428 : if (isParticle(idIn)) pdt[abs(idIn)].setSpinType(spinTypeIn); }
429 : void chargeType(int idIn, int chargeTypeIn) {
430 : if (isParticle(idIn)) pdt[abs(idIn)].setChargeType(chargeTypeIn); }
431 : void colType(int idIn, int colTypeIn) {
432 : if (isParticle(idIn)) pdt[abs(idIn)].setColType(colTypeIn); }
433 : void m0(int idIn, double m0In) {
434 : if (isParticle(idIn)) pdt[abs(idIn)].setM0(m0In); }
435 : void mWidth(int idIn, double mWidthIn) {
436 : if (isParticle(idIn)) pdt[abs(idIn)].setMWidth(mWidthIn); }
437 : void mMin(int idIn, double mMinIn) {
438 : if (isParticle(idIn)) pdt[abs(idIn)].setMMin(mMinIn); }
439 : void mMax(int idIn, double mMaxIn) {
440 : if (isParticle(idIn)) pdt[abs(idIn)].setMMax(mMaxIn); }
441 : void tau0(int idIn, double tau0In) {
442 : if (isParticle(idIn)) pdt[abs(idIn)].setTau0(tau0In); }
443 : void isResonance(int idIn, bool isResonanceIn) {
444 : if (isParticle(idIn)) pdt[abs(idIn)].setIsResonance(isResonanceIn); }
445 : void mayDecay(int idIn, bool mayDecayIn) {
446 : if (isParticle(idIn)) pdt[abs(idIn)].setMayDecay(mayDecayIn); }
447 : void doExternalDecay(int idIn, bool doExternalDecayIn) {
448 : if (isParticle(idIn))
449 : pdt[abs(idIn)].setDoExternalDecay(doExternalDecayIn); }
450 : void isVisible(int idIn, bool isVisibleIn) {
451 : if (isParticle(idIn)) pdt[abs(idIn)].setIsVisible(isVisibleIn); }
452 : void doForceWidth(int idIn, bool doForceWidthIn) {
453 : if (isParticle(idIn)) pdt[abs(idIn)].setDoForceWidth(doForceWidthIn); }
454 : void hasChanged(int idIn, bool hasChangedIn) {
455 : if (isParticle(idIn)) pdt[abs(idIn)].setHasChanged(hasChangedIn); }
456 :
457 : // Give back current values.
458 : bool hasAnti(int idIn) {
459 : return isParticle(idIn) ? pdt[abs(idIn)].hasAnti() : false ; }
460 : string name(int idIn) {
461 0 : return (isParticle(abs(idIn))) ? pdt[abs(idIn)].name(idIn) : " "; }
462 : int spinType(int idIn) {
463 : return isParticle(idIn) ? pdt[abs(idIn)].spinType() : 0 ; }
464 : int chargeType(int idIn) {
465 : return isParticle(idIn) ? pdt[abs(idIn)].chargeType(idIn) : 0 ; }
466 : double charge(int idIn) {
467 : return isParticle(idIn) ? pdt[abs(idIn)].charge(idIn) : 0 ; }
468 : int colType(int idIn) {
469 : return isParticle(idIn) ? pdt[abs(idIn)].colType(idIn) : 0 ; }
470 : double m0(int idIn) {
471 : return isParticle(idIn) ? pdt[abs(idIn)].m0() : 0. ; }
472 : double mWidth(int idIn) {
473 : return isParticle(idIn) ? pdt[abs(idIn)].mWidth() : 0. ; }
474 : double mMin(int idIn) {
475 : return isParticle(idIn) ? pdt[abs(idIn)].mMin() : 0. ; }
476 : double m0Min(int idIn) {
477 : return isParticle(idIn) ? pdt[abs(idIn)].m0Min() : 0. ; }
478 : double mMax(int idIn) {
479 : return isParticle(idIn) ? pdt[abs(idIn)].mMax() : 0. ; }
480 : double m0Max(int idIn) {
481 : return isParticle(idIn) ? pdt[abs(idIn)].m0Max() : 0. ; }
482 : double tau0(int idIn) {
483 : return isParticle(idIn) ? pdt[abs(idIn)].tau0() : 0. ; }
484 : bool isResonance(int idIn) {
485 : return isParticle(idIn) ? pdt[abs(idIn)].isResonance() : false ; }
486 : bool mayDecay(int idIn) {
487 : return isParticle(idIn) ? pdt[abs(idIn)].mayDecay() : false ; }
488 : bool doExternalDecay(int idIn) {
489 : return isParticle(idIn) ? pdt[abs(idIn)].doExternalDecay() : false ; }
490 : bool isVisible(int idIn) {
491 : return isParticle(idIn) ? pdt[abs(idIn)].isVisible() : false ; }
492 : bool doForceWidth(int idIn) {
493 : return isParticle(idIn) ? pdt[abs(idIn)].doForceWidth() : false ; }
494 : bool hasChanged(int idIn) {
495 : return isParticle(idIn) ? pdt[abs(idIn)].hasChanged() : false ; }
496 :
497 : // Give back special mass-related quantities.
498 : bool useBreitWigner(int idIn) {
499 : return isParticle(idIn) ? pdt[abs(idIn)].useBreitWigner() : false ; }
500 : double constituentMass(int idIn) {
501 : return isParticle(idIn) ? pdt[abs(idIn)].constituentMass() : 0. ; }
502 : double mSel(int idIn) {
503 : return isParticle(idIn) ? pdt[abs(idIn)].mSel() : 0. ; }
504 : double mRun(int idIn, double mH) {
505 : return isParticle(idIn) ? pdt[abs(idIn)].mRun(mH) : 0. ; }
506 :
507 : // Give back other quantities.
508 : bool canDecay(int idIn) {
509 : return isParticle(idIn) ? pdt[abs(idIn)].canDecay() : false ; }
510 : bool isLepton(int idIn) {
511 : return isParticle(idIn) ? pdt[abs(idIn)].isLepton() : false ; }
512 : bool isQuark(int idIn) {
513 : return isParticle(idIn) ? pdt[abs(idIn)].isQuark() : false ; }
514 : bool isGluon(int idIn) {
515 : return isParticle(idIn) ? pdt[abs(idIn)].isGluon() : false ; }
516 : bool isDiquark(int idIn) {
517 : return isParticle(idIn) ? pdt[abs(idIn)].isDiquark() : false ; }
518 : bool isParton(int idIn) {
519 : return isParticle(idIn) ? pdt[abs(idIn)].isParton() : false ; }
520 : bool isHadron(int idIn) {
521 : return isParticle(idIn) ? pdt[abs(idIn)].isHadron() : false ; }
522 : bool isMeson(int idIn) {
523 : return isParticle(idIn) ? pdt[abs(idIn)].isMeson() : false ; }
524 : bool isBaryon(int idIn) {
525 : return isParticle(idIn) ? pdt[abs(idIn)].isBaryon() : false ; }
526 : bool isOctetHadron(int idIn) {
527 : return isParticle(idIn) ? pdt[abs(idIn)].isOctetHadron() : false ; }
528 : int heaviestQuark(int idIn) {
529 : return isParticle(idIn) ? pdt[abs(idIn)].heaviestQuark(idIn) : 0 ; }
530 : int baryonNumberType(int idIn) {
531 : return isParticle(idIn) ? pdt[abs(idIn)].baryonNumberType(idIn) : 0 ; }
532 :
533 : // Change branching ratios.
534 : void rescaleBR(int idIn, double newSumBR = 1.) {
535 : if (isParticle(idIn)) pdt[abs(idIn)].rescaleBR(newSumBR); }
536 :
537 : // Access methods stored in ResonanceWidths.
538 : void setResonancePtr(int idIn, ResonanceWidths* resonancePtrIn) {
539 : if (isParticle(idIn)) pdt[abs(idIn)].setResonancePtr( resonancePtrIn);}
540 : void resInit(int idIn) { if (isParticle(idIn))
541 : pdt[abs(idIn)].resInit(infoPtr, settingsPtr, this, couplingsPtr);}
542 : double resWidth(int idIn, double mHat, int idInFlav = 0,
543 : bool openOnly = false, bool setBR = false) {
544 : return isParticle(idIn) ? pdt[abs(idIn)].resWidth(idIn, mHat,
545 : idInFlav, openOnly, setBR) : 0.;}
546 : double resWidthOpen(int idIn, double mHat, int idInFlav = 0) {
547 : return isParticle(idIn) ? pdt[abs(idIn)].resWidthOpen(idIn, mHat,
548 : idInFlav) : 0.;}
549 : double resWidthStore(int idIn, double mHat, int idInFlav = 0) {
550 : return isParticle(idIn) ? pdt[abs(idIn)].resWidthStore(idIn, mHat,
551 : idInFlav) : 0.;}
552 : double resOpenFrac(int id1In, int id2In = 0, int id3In = 0);
553 : double resWidthRescaleFactor(int idIn) { return isParticle(idIn)
554 : ? pdt[abs(idIn)].resWidthRescaleFactor() : 0.;}
555 : double resWidthChan(int idIn, double mHat, int idAbs1 = 0,
556 : int idAbs2 = 0) { return isParticle(idIn)
557 : ? pdt[abs(idIn)].resWidthChan( mHat, idAbs1, idAbs2) : 0.;}
558 :
559 : // Return pointer to entry.
560 : ParticleDataEntry* particleDataEntryPtr(int idIn) {
561 : return (isParticle(idIn)) ? &pdt[abs(idIn)] : &pdt[0]; }
562 :
563 : private:
564 :
565 : // Common data, accessible for the individual particles.
566 : int modeBreitWigner;
567 : double maxEnhanceBW, mQRun[7], Lambda5Run;
568 :
569 : // The individual particle need access to the full database.
570 : friend class ParticleDataEntry;
571 :
572 : // Pointer to various information on the generation.
573 : Info* infoPtr;
574 :
575 : // Pointer to the settings database.
576 : Settings* settingsPtr;
577 :
578 : // Pointer to the random number generator.
579 : Rndm* rndmPtr;
580 :
581 : // Pointer to Standard Model couplings.
582 : Couplings* couplingsPtr;
583 :
584 : // All particle data stored in a map.
585 : map<int, ParticleDataEntry> pdt;
586 :
587 : // Pointer to current particle (e.g. when reading decay channels).
588 : ParticleDataEntry* particlePtr;
589 :
590 : // Flag that initialization has been performed; whether any failures.
591 : bool isInit, readingFailedSave;
592 :
593 : // Method for common setting of particle-specific info.
594 : void initCommon();
595 :
596 : // Useful functions for string handling.
597 : string toLower(const string& nameConv) { string temp(nameConv);
598 : for (int i = 0; i < int(temp.length()); ++i) temp[i] = tolower(temp[i]);
599 : return temp; }
600 : bool boolString(string tag) { string tagLow = toLower(tag);
601 : return ( tagLow == "true" || tagLow == "1" || tagLow == "on"
602 : || tagLow == "yes" || tagLow == "ok" ); }
603 :
604 : // Extract XML value following XML attribute.
605 : string attributeValue(string line, string attribute);
606 : bool boolAttributeValue(string line, string attribute);
607 : int intAttributeValue(string line, string attribute);
608 : double doubleAttributeValue(string line, string attribute);
609 :
610 : };
611 :
612 : //==========================================================================
613 :
614 : } // end namespace Pythia8
615 :
616 : #endif // Pythia8_ParticleData_H
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