HGTD_TrackDecaySelectionTool Class Reference

#include <HGTD_TrackDecaySelectionTool.h>

Inheritance diagram for HGTD_TrackDecaySelectionTool:

Collaboration diagram for HGTD_TrackDecaySelectionTool:

Public Member Functions
	HGTD_TrackDecaySelectionTool (const std::string &, const std::string &, const IInterface *)
virtual	~HGTD_TrackDecaySelectionTool ()=default
virtual StatusCode	initialize () override final
virtual bool	trackPassesSelection (const xAOD::TrackParticle *track_particle) const override final
	Selects tracks that have a valid link to a truth particle and for which the decay vertex is inside of a box in the z/r plane defined by the selected min/max values.

Private Attributes
Gaudi::Property< float >	m_min_radius_prod
Gaudi::Property< float >	m_max_radius_prod
Gaudi::Property< float >	m_min_z_prod
Gaudi::Property< float >	m_max_z_prod
Gaudi::Property< float >	m_min_radius_dec
Gaudi::Property< float >	m_max_radius_dec
Gaudi::Property< float >	m_min_z_dec
Gaudi::Property< float >	m_max_z_dec

Detailed Description

Definition at line 12 of file HGTD_TrackDecaySelectionTool.h.

Constructor & Destructor Documentation

HGTD_TrackDecaySelectionTool()

HGTD_TrackDecaySelectionTool::HGTD_TrackDecaySelectionTool	(	const std::string &	t,
		const std::string &	n,
		const IInterface *	p )

Definition at line 11 of file HGTD_TrackDecaySelectionTool.cxx.

    : base_class(t, n, p) {}

~HGTD_TrackDecaySelectionTool()

virtual HGTD_TrackDecaySelectionTool::~HGTD_TrackDecaySelectionTool ( )

virtualdefault

Member Function Documentation

initialize()

StatusCode HGTD_TrackDecaySelectionTool::initialize ( )

finaloverridevirtual

Definition at line 16 of file HGTD_TrackDecaySelectionTool.cxx.

                                                    {
  return StatusCode::SUCCESS;
}

trackPassesSelection()

bool HGTD_TrackDecaySelectionTool::trackPassesSelection ( const xAOD::TrackParticle * track_particle ) const

finaloverridevirtual

Selects tracks that have a valid link to a truth particle and for which the decay vertex is inside of a box in the z/r plane defined by the selected min/max values.

Definition at line 24 of file HGTD_TrackDecaySelectionTool.cxx.

                                                   {
 
  const xAOD::TruthParticle* truth_particle =
      xAOD::TruthHelpers::getTruthParticle(*track_particle);
 
  if (truth_particle and truth_particle->hasProdVtx()) {
 
    const xAOD::TruthVertex* truth_vertex_prod = truth_particle->prodVtx();
 
    float prodVTX_r_abs = std::hypot(std::abs(truth_vertex_prod->x()),
                                     std::abs(truth_vertex_prod->y()));
    float prodVTX_z_abs = std::abs(truth_vertex_prod->z());
 
    if (prodVTX_r_abs < m_min_radius_prod or
        prodVTX_r_abs > m_max_radius_prod or prodVTX_z_abs < m_min_z_prod or
        prodVTX_z_abs > m_max_z_prod) {
      return false;
    }
 
    const xAOD::TruthVertex* truth_vertex_decay = truth_particle->decayVtx();
    if (not truth_vertex_decay) {
      return true;
    }
 
    float decayVTX_r_abs = std::hypot(std::abs(truth_vertex_decay->x()),
                                      std::abs(truth_vertex_decay->y()));
    float decayVTX_z_abs = std::abs(truth_vertex_decay->z());
 
    ATH_MSG_DEBUG("Track has a decay vertex at z = "
                  << decayVTX_z_abs << " and r = " << decayVTX_r_abs);
 
    return decayVTX_r_abs > m_min_radius_dec and
           decayVTX_r_abs < m_max_radius_dec and
           decayVTX_z_abs > m_min_z_dec and decayVTX_z_abs < m_max_z_dec;
  }
 
  return false;
}

Member Data Documentation

m_max_radius_dec

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_max_radius_dec

private

Initial value:

{
      this, "MazRadiusDecay", 999999999,
      "Maximum accepted radius of the decay vertex"}

Definition at line 47 of file HGTD_TrackDecaySelectionTool.h.

                                       {
      this, "MazRadiusDecay", 999999999,
      "Maximum accepted radius of the decay vertex"};

m_max_radius_prod

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_max_radius_prod

private

Initial value:

{
      this, "MazRadiusProduction", 10,
      "Maximum accepted radius of the production vertex"}

Definition at line 35 of file HGTD_TrackDecaySelectionTool.h.

                                        {
      this, "MazRadiusProduction", 10,
      "Maximum accepted radius of the production vertex"};

m_max_z_dec

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_max_z_dec

private

Initial value:

{
      this, "MaxZDecay", 999999999,
      "Maximum accepted z coordinate of the decay vertex"}

Definition at line 53 of file HGTD_TrackDecaySelectionTool.h.

                                  {
      this, "MaxZDecay", 999999999,
      "Maximum accepted z coordinate of the decay vertex"};

m_max_z_prod

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_max_z_prod

private

Initial value:

{
      this, "MaxZProduction", 100,
      "Maximum accepted z coordinate of the production vertex"}

Definition at line 41 of file HGTD_TrackDecaySelectionTool.h.

                                   {
      this, "MaxZProduction", 100,
      "Maximum accepted z coordinate of the production vertex"};

m_min_radius_dec

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_min_radius_dec

private

Initial value:

{
      this, "MinRadiusDecay", 0, "Minimum accepted radius of the decay vertex"}

Definition at line 45 of file HGTD_TrackDecaySelectionTool.h.

                                       {
      this, "MinRadiusDecay", 0, "Minimum accepted radius of the decay vertex"};

m_min_radius_prod

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_min_radius_prod

private

Initial value:

{
      this, "MinRadiusProduction", 0,
      "Minimum accepted radius of the production vertex"}

Definition at line 32 of file HGTD_TrackDecaySelectionTool.h.

                                        {
      this, "MinRadiusProduction", 0,
      "Minimum accepted radius of the production vertex"};

m_min_z_dec

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_min_z_dec

private

Initial value:

{
      this, "MinZDecay", 3479,
      "Minimum accepted z coordinate of the decay vertex"}

Definition at line 50 of file HGTD_TrackDecaySelectionTool.h.

                                  {
      this, "MinZDecay", 3479,
      "Minimum accepted z coordinate of the decay vertex"};

m_min_z_prod

Gaudi::Property<float> HGTD_TrackDecaySelectionTool::m_min_z_prod

private

Initial value:

{
      this, "MinZProduction", 0,
      "Minimum accepted z coordinate of the production vertex"}

Definition at line 38 of file HGTD_TrackDecaySelectionTool.h.

                                   {
      this, "MinZProduction", 0,
      "Minimum accepted z coordinate of the production vertex"};

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The documentation for this class was generated from the following files:

• HGTD_TrackDecaySelectionTool.h
• HGTD_TrackDecaySelectionTool.cxx