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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EvtScalarParticle.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
24
25#include <iostream>
26#include <math.h>
27
28void EvtScalarParticle::init( EvtId part_n, double e, double px, double py,
29 double pz )
30{
31 m_validP4 = true;
32 setp( e, px, py, pz );
33 setpart_num( part_n );
34
36}
37
38void EvtScalarParticle::init( EvtId part_n, const EvtVector4R& p4 )
39{
40 m_validP4 = true;
41 setp( p4 );
42 setpart_num( part_n );
43
45}
46
48{
50 R.setDim( 1 );
51
52 R.set( 0, 0, 1.0 );
53
54 return R;
55}
56
58 double ) const
59{
61 R.setDim( 1 );
62
63 R.set( 0, 0, 1.0 );
64
65 return R;
66}
Definition EvtId.hh:27
void setLifetime()
void setp(double e, double px, double py, double pz)
void setpart_num(EvtId particle_number)
EvtSpinDensity rotateToHelicityBasis() const override
void init(EvtId part_n, double e, double px, double py, double pz)
void setDim(int n)
void set(int i, int j, const EvtComplex &rhoij)