Belle II Software light-2406-ragdoll
RecoResonance.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * External Contributor: Wouter Hulsbergen *
5 * *
6 * See git log for contributors and copyright holders. *
7 * This file is licensed under LGPL-3.0, see LICENSE.md. *
8 **************************************************************************/
9
10#pragma once
11
12#include <analysis/VertexFitting/TreeFitter/Composite.h>
13
14namespace TreeFitter {
15
17 class RecoResonance : public Composite {
18
19 public:
20
23
25 virtual ErrCode initParticleWithMother(FitParams& fitparams) override;
26
28 virtual ErrCode initMotherlessParticle(FitParams& fitparams) override;
29
31 virtual ~RecoResonance() {};
32
34 virtual int dim() const override { return hasEnergy() ? 4 : 3;} // (px,py,pz,(E))
35
37 virtual ErrCode projectConstraint(Constraint::Type, const FitParams&, Projection&) const override;
38
40 virtual int type() const override { return kRecoResonance; }
41
43 virtual int posIndex() const override { return mother()->posIndex(); }
44
46 virtual int momIndex() const override { return index(); }
47
49 virtual int tauIndex() const override { return -1; }
50
52 virtual std::string parname(int index) const override;
53
55 virtual void addToConstraintList(constraintlist& list, int depth) const override;
56
57 private:
60
61
62 };
63
64}
Class to store reconstructed particles.
Definition: Particle.h:75
A class for composite particles, where the daughters must be ignored by the fitter.
Definition: Composite.h:17
virtual bool hasEnergy() const override
return of this constraint/particle has an energy component
Definition: Composite.h:64
constraint configuration class
Type
type of constraints the order of these constraints is important: it is the order in which they are ap...
Definition: Constraint.h:27
abstract errorocode be aware that the default is success
Definition: ErrCode.h:14
Class to store and manage fitparams (statevector)
Definition: FitParams.h:20
base class for all particles
Definition: ParticleBase.h:25
virtual int posIndex() const
get vertex index (in statevector!)
Definition: ParticleBase.h:122
int index() const
get index
Definition: ParticleBase.h:95
const ParticleBase * mother() const
getMother() / hasMother()
Definition: ParticleBase.h:98
std::vector< Constraint > constraintlist
alias
Definition: ParticleBase.h:52
class to store the projected residuals and the corresponding jacobian as well as the covariance matri...
Definition: Projection.h:18
A class for resonances.
Definition: RecoResonance.h:17
virtual ~RecoResonance()
destructor
Definition: RecoResonance.h:31
virtual std::string parname(int index) const override
parameter name
virtual int tauIndex() const override
get tau (decay time) index in statevector
Definition: RecoResonance.h:49
virtual int dim() const override
dimension of the vector
Definition: RecoResonance.h:34
virtual ErrCode projectConstraint(Constraint::Type, const FitParams &, Projection &) const override
project the constraint
bool m_massconstraint
has mass constraint
Definition: RecoResonance.h:59
virtual int momIndex() const override
get momentum index in statevector
Definition: RecoResonance.h:46
virtual int type() const override
get type
Definition: RecoResonance.h:40
virtual ErrCode initParticleWithMother(FitParams &fitparams) override
init particle in case it has a mother
virtual void addToConstraintList(constraintlist &list, int depth) const override
add to the list of constraints
virtual ErrCode initMotherlessParticle(FitParams &fitparams) override
init particle in case it has no mother
virtual int posIndex() const override
get position index in statevector x,y,z,tau,px,py,pz
Definition: RecoResonance.h:43