EvtGen 2.2.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
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EvtStringParticle.cpp
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1
2/***********************************************************************
3* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
4* *
5* This file is part of EvtGen. *
6* *
7* EvtGen 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* EvtGen 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 EvtGen. If not, see <https://www.gnu.org/licenses/>. *
19***********************************************************************/
20
22
25
26#include <iostream>
27#include <math.h>
28#include <stdlib.h>
29
31{
32 m_validP4 = true;
33 setp( p4 );
34 setpart_num( id );
35}
36
37void EvtStringParticle::initPartons( int npartons, EvtVector4R* p4partons,
38 EvtId* idpartons )
39{
40 m_p4partons.resize( npartons );
41 m_idpartons.resize( npartons );
42 for ( int i = 0; i < npartons; i++ ) {
43 m_p4partons[i] = p4partons[i];
44 m_idpartons[i] = idpartons[i];
45 }
46}
47
49{
50 return m_p4partons.size();
51}
52
54{
55 return m_idpartons[i];
56}
57
62
64{
65 EvtGenReport( EVTGEN_ERROR, "EvtGen" )
66 << "rotateToHelicityBasis not implemented for strin particle.";
67 EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << "Will terminate execution.";
68
69 ::abort();
70
72 return rho;
73}
74
76 double ) const
77{
78 EvtGenReport( EVTGEN_ERROR, "EvtGen" )
79 << "rotateToHelicityBasis(alpha,beta,gamma) not implemented for string particle.";
80 EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << "Will terminate execution.";
81
82 ::abort();
83
85 return rho;
86}
std::ostream & EvtGenReport(EvtGenSeverity severity, const char *facility=nullptr)
Definition EvtReport.cpp:32
@ EVTGEN_ERROR
Definition EvtReport.hh:49
Definition EvtId.hh:27
void setp(double e, double px, double py, double pz)
void setpart_num(EvtId particle_number)
EvtVector4R getP4Parton(int i)
std::vector< EvtId > m_idpartons
std::vector< EvtVector4R > m_p4partons
void init(EvtId id, const EvtVector4R &p4) override
void initPartons(int npartons, EvtVector4R *p4partons, EvtId *idpartons)
EvtSpinDensity rotateToHelicityBasis() const override