1 ///////////////////////////////////////////////////////////////////////////
5 // This file is part of starlight.
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.
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.
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/>.
20 ///////////////////////////////////////////////////////////////////////////
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
31 ///////////////////////////////////////////////////////////////////////////
34 #ifndef GAMMAGAMMALEPTONPAIR_H
35 #define GAMMAGAMMALEPTONPAIR_H
39 #include "starlightconstants.h"
40 #include "readinluminosity.h"
41 #include "starlightlimits.h"
42 #include "eventchannel.h"
45 class Gammagammaleptonpair : public eventChannel
48 Gammagammaleptonpair(beamBeamSystem& bbsystem);
49 ~Gammagammaleptonpair();
51 void twoLeptonCrossSection();
52 void calculateTable();
54 starlightConstants::event produceEvent(int &ievent);
55 upcEvent produceEvent();
58 double _sigmax[starlightLimits::MAXWBINS][starlightLimits::MAXYBINS];//=new double[500][500]; //decreased from 1000*1000; too big! causes fault!
60 double _sigfint[starlightLimits::MAXWBINS];
61 double _sigofw[starlightLimits::MAXWBINS];
63 double _wdelta; //Added 7/26/07 for passing sigmadelta to pickw
66 double _dgammade[1000];
67 double _tautolangle[100];
69 double twoMuonCrossSection(double w);
70 void pickw(double &w);
71 void picky(double &y);
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);
76 void twoBodyDecay(starlightConstants::particleTypeEnum &ipid,double E,double W,double px0,double py0,double pz0,double &px1,double &py1,double&pz1,double &px2,double &py2,/*double &py2,*/double &pz2,int &iFbadevent);
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);
84 starlightConstants::particleTypeEnum _GGlepInputpidtest;
87 double _GGlepInputGamma_em;
91 #endif // GAMMAGAMMALEPTONPAIR_H