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1 | /////////////////////////////////////////////////////////////////////////// |
2 | // | |
3 | // Copyright 2010 | |
4 | // | |
5 | // This file is part of starlight. | |
6 | // | |
7 | // starlight is free software: you can redistribute it and/or modify | |
8 | // it under the terms of the GNU General Public License as published by | |
9 | // the Free Software Foundation, either version 3 of the License, or | |
10 | // (at your option) any later version. | |
11 | // | |
12 | // starlight is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License | |
18 | // along with starlight. If not, see <http://www.gnu.org/licenses/>. | |
19 | // | |
20 | /////////////////////////////////////////////////////////////////////////// | |
21 | // | |
22 | // File and Version Information: | |
23 | // $Rev:: 164 $: revision of last commit | |
24 | // $Author:: odjuvsla $: author of last commit | |
25 | // $Date:: 2013-10-06 16:18:08 +0200 #$: date of last commit | |
26 | // | |
27 | // Description: | |
28 | // | |
29 | // | |
30 | // | |
31 | /////////////////////////////////////////////////////////////////////////// | |
32 | ||
33 | ||
34 | #ifndef GAMMAGAMMALEPTONPAIR_H | |
35 | #define GAMMAGAMMALEPTONPAIR_H | |
36 | ||
37 | #include <vector> | |
38 | ||
39 | #include "starlightconstants.h" | |
40 | #include "readinluminosity.h" | |
41 | #include "starlightlimits.h" | |
42 | #include "eventchannel.h" | |
43 | ||
44 | ||
45 | class Gammagammaleptonpair : public eventChannel | |
46 | { | |
47 | public: | |
48 | Gammagammaleptonpair(beamBeamSystem& bbsystem); | |
49 | ~Gammagammaleptonpair(); | |
50 | ||
51 | void twoLeptonCrossSection(); | |
52 | void calculateTable(); | |
53 | ||
54 | starlightConstants::event produceEvent(int &ievent); | |
55 | upcEvent produceEvent(); | |
56 | ||
57 | private: | |
58 | double _sigmax[starlightLimits::MAXWBINS][starlightLimits::MAXYBINS];//=new double[500][500]; //decreased from 1000*1000; too big! causes fault! | |
59 | double _sigmaSum; | |
60 | double _sigfint[starlightLimits::MAXWBINS]; | |
61 | double _sigofw[starlightLimits::MAXWBINS]; | |
62 | double _signormw; | |
63 | double _wdelta; //Added 7/26/07 for passing sigmadelta to pickw | |
64 | double _remainwd;// " | |
65 | int _ivalwd; // " | |
66 | double _dgammade[1000]; | |
67 | double _tautolangle[100]; | |
68 | ||
69 | double twoMuonCrossSection(double w); | |
70 | void pickw(double &w); | |
71 | void picky(double &y); | |
72 | ||
73 | void pairMomentum(double w,double y,double &E,double &px,double &py,double&pz); | |
74 | double pp_1(double E); | |
75 | double pp_2(double E); | |
75ce6a3a | 76 | void twoBodyDecay(starlightConstants::particleTypeEnum &ipid,double E,double W,double px0,double py0,double pz0,double &px1,double &py1,double &pz1,double &pt1,double &px2,double &py2,double &pz2,double &pt2,double &mdec,int &iFbadevent); |
da32329d AM |
77 | double thetalep(double W,double theta); |
78 | void tauDecay(double &px1,double &py1,double &pz1,double &E1,double &px2,double &py2,double &pz2,double &E2); | |
79 | ||
80 | double getMass(); | |
81 | double getWidth(); | |
82 | double getSpin(); | |
83 | ||
84 | starlightConstants::particleTypeEnum _GGlepInputpidtest; | |
85 | int _GGlepInputnumw; | |
86 | int _GGlepInputnumy; | |
87 | double _GGlepInputGamma_em; | |
88 | }; | |
89 | ||
90 | ||
91 | #endif // GAMMAGAMMALEPTONPAIR_H |