Belle II Software development
ParameterVariables.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8
9#pragma once
10
11#include <vector>
12
13namespace Belle2 {
18 class Particle;
19
20 namespace Variable {
21
25 int NumberOfMCParticlesInEvent(const Particle*, const std::vector<double>& pdg);
26
32 double isAncestorOf(const Particle* part, const std::vector<double>& daughterIDs);
33
40 double hasAncestor(const Particle* part, const std::vector<double>& args);
41
45 double particleDecayAngle(const Particle* particle, const std::vector<double>& daughters);
46
50 double daughterInvariantMass(const Particle* particle, const std::vector<double>& daughter_indexes);
51
55 double daughterMCInvariantMass(const Particle* particle, const std::vector<double>& daughter_indexes);
56
60 double massDifference(const Particle* particle, const std::vector<double>& daughter_index);
61
65 double massDifferenceError(const Particle* particle, const std::vector<double>& daughter_index);
66
71 double massDifferenceSignificance(const Particle* particle, const std::vector<double>& daughter_index);
72
76 double pointingAngle(const Particle* particle, const std::vector<double>& daughters);
77
81 double azimuthalAngleInDecayPlane(const Particle* particle, const std::vector<double>& daughters);
82
83 }
85}
Abstract base class for different kinds of events.