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da0e9ce3 | 1 | //-------------------------------------------------------------------------- |
2 | // | |
3 | // Environment: | |
4 | // This software is part of the EvtGen package developed jointly | |
5 | // for the BaBar and CLEO collaborations. If you use all or part | |
6 | // of it, please give an appropriate acknowledgement. | |
7 | // | |
8 | // Copyright Information: See EvtGen/COPYRIGHT | |
9 | // Copyright (C) 1998 Caltech, UCSB | |
10 | // | |
11 | // Module: EvtGen/EvtPDL.hh | |
12 | // | |
13 | // Description:Class to keep track of particle properties. | |
14 | // | |
15 | // Modification history: | |
16 | // | |
17 | // DJL/RYD September 25, 1996 Module created | |
18 | // | |
19 | //------------------------------------------------------------------------ | |
20 | ||
21 | #ifndef EVTPDL_HH | |
22 | #define EVTPDL_HH | |
23 | ||
24 | #include "EvtGenBase/EvtPartProp.hh" | |
25 | #include "EvtGenBase/EvtId.hh" | |
26 | #include "EvtGenBase/EvtSpinType.hh" | |
27 | #include "EvtGenBase/EvtStringHash.hh" | |
28 | #include <vector> | |
29 | #include <map> | |
30 | ||
31 | const int SPIN_NAME_LENGTH = 100; | |
32 | ||
33 | class EvtPDL { | |
34 | ||
35 | public: | |
36 | ||
37 | EvtPDL(); | |
38 | ||
39 | ~EvtPDL(); | |
40 | ||
41 | void read(const char* fname); | |
42 | void readPDT(const std::string fname); | |
43 | ||
44 | ||
45 | static double getMeanMass(EvtId i ); | |
46 | static double getMass(EvtId i ); | |
47 | static double getRandMass(EvtId i, EvtId *parId, int nDaug, EvtId *dauId, EvtId *othDaugId,double maxMass, double *dauMasses ); | |
48 | static double getMassProb(EvtId i, double mass, double massPar, int nDaug, double *massDau); | |
49 | ||
50 | static double getMaxMass(EvtId i ); | |
51 | static double getMinMass(EvtId i ); | |
52 | //the number we got from PDT | |
53 | static double getMaxRange(EvtId i ); | |
54 | static double getWidth(EvtId i ); | |
55 | static double getctau(EvtId i ); | |
56 | static int getStdHep(EvtId id ); | |
57 | static int getLundKC(EvtId id ); | |
58 | ||
59 | // Function to retrieve EvtId from PythiaID | |
60 | static EvtId evtIdFromLundKC(int pythiaId ); | |
61 | static EvtId evtIdFromStdHep(int stdhep ); | |
62 | static EvtId chargeConj(EvtId id ); | |
63 | static int chg3(EvtId i ); | |
64 | static EvtSpinType::spintype getSpinType(EvtId i ); | |
65 | static EvtId getId(const std::string& name ); | |
66 | static std::string name(EvtId i); | |
67 | static void alias(EvtId num,const std::string& newname); | |
68 | static void aliasChgConj(EvtId a,EvtId abar); | |
69 | static size_t entries(); | |
70 | static EvtId getEntry(int i); | |
71 | static void reSetMass(EvtId i, double mass); | |
72 | static void reSetWidth(EvtId i, double width); | |
73 | static void reSetMassMin(EvtId i, double mass); | |
74 | static void reSetMassMax(EvtId i,double mass); | |
75 | static void reSetBlatt(EvtId i,double blatt); | |
76 | static void includeBirthFactor(EvtId i,bool yesno); | |
77 | static void includeDecayFactor(EvtId i,bool yesno); | |
78 | static void changeLS(EvtId i, std::string &newLS ); | |
79 | static void setPWForDecay(EvtId i, int spin, EvtId d1, EvtId d2); | |
80 | static void setPWForBirthL(EvtId i, int spin, EvtId par, EvtId othD); | |
81 | static void fixLSForSP8(EvtId i) { partlist()[i.getId()].fixLSForSP8();} | |
82 | private: | |
83 | ||
84 | void setUpConstsPdt(); | |
85 | ||
86 | static unsigned int _firstAlias; | |
87 | static int _nentries; | |
88 | ||
89 | static std::vector<EvtPartProp>& partlist() { | |
90 | static std::vector<EvtPartProp> s_partlist; | |
91 | return s_partlist; | |
92 | } | |
93 | ||
94 | static std::map<std::string, int> _particleNameLookup; | |
95 | ||
96 | }; // EvtPDL.h | |
97 | ||
98 | #endif | |
99 | ||
100 |