PHHepMCGenHelper provides service of DST upload of HepMC subevent, vertex assignment and random generator. More...

#include <coresoftware/blob/master/generators/phhepmc/PHHepMCGenHelper.h>

Inheritance diagram for PHHepMCGenHelper:

Collaboration diagram for PHHepMCGenHelper:

Public Types
enum	VTXFUNC { Uniform, Gaus }
	supported function distributions More...

Public Member Functions
	PHHepMCGenHelper ()

virtual	~PHHepMCGenHelper ()

void	set_vertex_distribution_function (VTXFUNC x, VTXFUNC y, VTXFUNC z, VTXFUNC t)
	toss a new vertex according to a Uniform or Gaus distribution

void	set_vertex_distribution_mean (const double x, const double y, const double z, const double t)
	set the mean value of the vertex distribution, use PHENIX units of cm, ns

void	set_vertex_distribution_width (const double x, const double y, const double z, const double t)
	set the width of the vertex distribution function about the mean, use PHENIX units of cm, ns

int	get_embedding_id () const

void	set_embedding_id (int id)

void	set_reuse_vertex (int src_embedding_id)
	reuse vertex from another PHHepMCGenEvent with embedding_id = src_embedding_id Additional smearing and shift possible with set_vertex_distribution_*()

virtual int	create_node_tree (PHCompositeNode *topNode)
	init interface nodes

const PHHepMCGenEvent *	get_PHHepMCGenEvent_template () const
	choice of reference version of the PHHepMCGenEvent

PHHepMCGenEvent *	insert_event (HepMC::GenEvent *evt)
	send HepMC::GenEvent to DST tree. This function takes ownership of evt

const PHHepMCGenEventMap *	get_geneventmap () const

PHHepMCGenEventMap *	get_geneventmap ()

gsl_rng *	get_random_generator ()

void	set_geneventmap (PHHepMCGenEventMap *geneventmap)

void	set_beam_direction_theta_phi (const double beamA_theta, const double beamA_phi, const double beamB_theta, const double beamB_phi)

void	set_beam_angular_divergence_hv (const double beamA_divergence_h, const double beamA_divergence_v, const double beamB_divergence_h, const double beamB_divergence_v)

void	set_beam_angular_z_coefficient_hv (const double beamA_h, const double beamA_v, const double beamB_h, const double beamB_v)

void	use_beam_bunch_sim (bool b)
	simulate bunch interaction instead of applying vertex distributions

void	set_beam_bunch_width (const std::vector< double > &beamA, const std::vector< double > &beamB)

void	CopySettings (PHHepMCGenHelper &helper)

void	CopySettings (PHHepMCGenHelper *helper_dest)
	copy setting to helper_dest

void	CopyHelperSettings (PHHepMCGenHelper *helper_src)
	copy setting from helper_src

void	Print (const std::string &what="ALL") const

void	PHHepMCGenHelper_Verbosity (int v)

int	PHHepMCGenHelper_Verbosity ()

Protected Member Functions
void	HepMC2Lab_boost_rotation_translation (PHHepMCGenEvent *genevent)
	Record the translation,boost,rotation for HepMC frame to lab frame according to collision settings.

void	move_vertex (PHHepMCGenEvent *genevent)
	move vertex in translation according to vertex settings

std::pair< double, double >	generate_vertx_with_bunch_interaction (PHHepMCGenEvent *genevent)

Private Member Functions
double	smear (const double position, const double width, VTXFUNC dist) const

double	get_collision_width (unsigned int hv_index)

Static Private Member Functions
static CLHEP::Hep3Vector	pair2Hep3Vector (const std::pair< double, double > &theta_phi)
	function to convert spherical coordinate to Hep3Vector in x-y-z

Private Attributes
gsl_rng *	RandomGenerator

VTXFUNC	_vertex_func_x

VTXFUNC	_vertex_func_y

VTXFUNC	_vertex_func_z

VTXFUNC	_vertex_func_t

double	_vertex_x

double	_vertex_y

double	_vertex_z

double	_vertex_t

double	_vertex_width_x

double	_vertex_width_y

double	_vertex_width_z

double	_vertex_width_t

std::pair< std::pair< double, double >, std::pair< double, double > >	m_beam_direction_theta_phi

std::pair< std::pair< double, double >, std::pair< double, double > >	m_beam_angular_divergence_hv

std::pair< std::pair< double, double >, std::pair< double, double > >	m_beam_angular_z_coefficient_hv

int	_embedding_id

bool	_reuse_vertex
	whether reuse vertex from another PHHepMCGenEvent

int	_reuse_vertex_embedding_id
	if reuse_vertex, which embedding_id provide the source vertex. Additional smearing and shift possible with set_vertex_distribution*()

PHHepMCGenEventMap *	_geneventmap
	pointer to the output container

int	m_verbosity = 0
	verbosity

bool	m_use_beam_bunch_sim = false
	simulate bunch interaction instead of applying vertex distributions

std::pair< std::vector< double > , std::vector< double > >	m_beam_bunch_width

Detailed Description

PHHepMCGenHelper provides service of DST upload of HepMC subevent, vertex assignment and random generator.

Definition at line 35 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 35 of file PHHepMCGenHelper.h

Member Enumeration Documentation

enum PHHepMCGenHelper::VTXFUNC

supported function distributions

Enumerator:

Uniform	uniform distribution with half width set via set_vertex_distribution_width()
Gaus	normal distribution with sigma width set via set_vertex_distribution_width()

Definition at line 42 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 42 of file PHHepMCGenHelper.h

Constructor & Destructor Documentation

PHHepMCGenHelper::PHHepMCGenHelper ( )

Definition at line 48 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 48 of file PHHepMCGenHelper.cc

References gsl_rng_set(), RandomGenerator, and seed.

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PHHepMCGenHelper::~PHHepMCGenHelper ( )

virtual

Definition at line 71 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 71 of file PHHepMCGenHelper.cc

References RandomGenerator.

Member Function Documentation

void PHHepMCGenHelper::CopyHelperSettings ( PHHepMCGenHelper * helper_src )

copy setting from helper_src

Definition at line 624 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 624 of file PHHepMCGenHelper.cc

References CopySettings().

Referenced by Fun4All_AnaTutorial_sPHENIX(), Fun4All_AnaTutorial_sPHENIX_Jets(), Fun4All_G4_sPHENIX(), Fun4All_G4_sPHENIX_ForTrackCutStudy(), Fun4All_G4_sPHENIX_ForTrackCutStudy_EmbedScanOff(), Fun4All_G4_sPHENIX_ForTrackCutStudy_EmbedScanOn(), Fun4All_G4_sPHENIX_ForTrackCutStudy_WithPileup_EmbedScanOff(), Fun4All_G4_sPHENIX_ForTrackCutStudy_WithPileup_EmbedScanOn(), Fun4All_Pi0Gen_sPHENIX(), Fun4All_RunNewTruthMatcher(), Fun4All_SinglePhotonGen_sPHENIX(), and Fun4All_SinglePi0Gen_sPHENIX().

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void PHHepMCGenHelper::CopySettings ( PHHepMCGenHelper & helper )

Definition at line 573 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 573 of file PHHepMCGenHelper.cc

References _vertex_func_t, _vertex_func_x, _vertex_func_y, _vertex_func_z, _vertex_t, _vertex_width_t, _vertex_width_x, _vertex_width_y, _vertex_width_z, _vertex_x, _vertex_y, _vertex_z, m_beam_angular_divergence_hv, m_beam_angular_z_coefficient_hv, m_beam_bunch_width, m_beam_direction_theta_phi, m_use_beam_bunch_sim, set_beam_angular_divergence_hv(), set_beam_angular_z_coefficient_hv(), set_beam_bunch_width(), set_beam_direction_theta_phi(), set_vertex_distribution_function(), set_vertex_distribution_mean(), set_vertex_distribution_width(), and use_beam_bunch_sim().

Referenced by CopyHelperSettings(), and CopySettings().

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void PHHepMCGenHelper::CopySettings ( PHHepMCGenHelper * helper_dest )

copy setting to helper_dest

Definition at line 613 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 613 of file PHHepMCGenHelper.cc

References CopySettings().

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int PHHepMCGenHelper::create_node_tree ( PHCompositeNode * topNode )

virtual

init interface nodes

Reimplemented in PHPythia8.

Definition at line 77 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 77 of file PHHepMCGenHelper.cc

References _geneventmap, Fun4AllReturnCodes::ABORTRUN, assert, Fun4AllReturnCodes::EVENT_OK, PHNodeIterator::findFirst(), and PHWHERE.

Referenced by PHPythia8::create_node_tree(), ReadEICFiles::CreateNodeTree(), ReadSynRadFiles::CreateNodeTree(), PHSartre::Init(), and sHEPGen::Init().

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pair< double, double > PHHepMCGenHelper::generate_vertx_with_bunch_interaction ( PHHepMCGenEvent * genevent )

protected

generate vertx with bunch interaction according to https://github.com/eic/documents/blob/d06b5597a0a89dcad215bab50fe3eefa17a097a5/reports/general/Note-Simulations-BeamEffects.pdf

Returns: pair of bunch local z position for beam A and beam B

Definition at line 158 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 158 of file PHHepMCGenHelper.cc

References assert, Acts::UnitConstants::cm, Gaus, get_collision_width(), m_beam_bunch_width, m_beam_direction_theta_phi, m_verbosity, Acts::UnitConstants::ns, pair2Hep3Vector(), PHHepMCGenEvent::set_collision_vertex(), and smear().

Referenced by HepMC2Lab_boost_rotation_translation().

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double PHHepMCGenHelper::get_collision_width ( unsigned int hv_index )

private

use m_beam_bunch_width to calculate horizontal and vertical collision width

Parameters

[in] hv_index 0: horizontal. 1: vertical

use m_beam_bunch_width to calculate horizontal and vertical collision width

Parameters

[in] hv_index 0: horizontal. 1: vertical https://github.com/eic/documents/blob/d06b5597a0a89dcad215bab50fe3eefa17a097a5/reports/general/Note-Simulations-BeamEffects.pdf

Definition at line 145 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 145 of file PHHepMCGenHelper.cc

References assert, and m_beam_bunch_width.

Referenced by generate_vertx_with_bunch_interaction().

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int PHHepMCGenHelper::get_embedding_id ( ) const

inline

embedding ID for the event positive ID is the embedded event of interest, e.g. jetty event from pythia negative IDs are backgrounds, .e.g out of time pile up collisions Usually, ID = 0 means the primary Au+Au collision background

Definition at line 63 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 63 of file PHHepMCGenHelper.h

References _embedding_id.

Referenced by Fun4AllOscarInputManager::ConvertFromOscar(), PHPythia8::create_node_tree(), ReadSynRadFiles::get_embedding_id(), PHPythia6::get_embedding_id(), Fun4AllHepMCPileupInputManager::InsertEvent(), and Fun4AllHepMCInputManager::run().

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const PHHepMCGenEventMap* PHHepMCGenHelper::get_geneventmap ( ) const

inline

Definition at line 88 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 88 of file PHHepMCGenHelper.h

References _geneventmap.

Referenced by Fun4AllOscarInputManager::ConvertFromOscar(), Fun4AllHepMCPileupInputManager::InsertEvent(), Fun4AllHepMCPileupInputManager::PushBackEvents(), and Fun4AllHepMCInputManager::run().

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PHHepMCGenEventMap* PHHepMCGenHelper::get_geneventmap ( )

inline

Definition at line 93 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 93 of file PHHepMCGenHelper.h

References _geneventmap.

const PHHepMCGenEvent * PHHepMCGenHelper::get_PHHepMCGenEvent_template ( ) const

choice of reference version of the PHHepMCGenEvent

Definition at line 101 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 101 of file PHHepMCGenHelper.cc

Referenced by insert_event(), and Fun4AllHepMCPileupInputManager::InsertEvent().

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gsl_rng* PHHepMCGenHelper::get_random_generator ( )

inline

Definition at line 98 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 98 of file PHHepMCGenHelper.h

References RandomGenerator.

Referenced by PHSartre::randomlyReverseBeams().

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void PHHepMCGenHelper::HepMC2Lab_boost_rotation_translation ( PHHepMCGenEvent * genevent )

protected

Record the translation,boost,rotation for HepMC frame to lab frame according to collision settings.

move vertex in translation,boost,rotation according to vertex settings

if (_reuse_vertex)

Definition at line 256 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 256 of file PHHepMCGenHelper.cc

Referenced by insert_event(), and Fun4AllHepMCPileupInputManager::InsertEvent().

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PHHepMCGenEvent * PHHepMCGenHelper::insert_event ( HepMC::GenEvent * evt )

send HepMC::GenEvent to DST tree. This function takes ownership of evt

Definition at line 110 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 110 of file PHHepMCGenHelper.cc

References _embedding_id, _geneventmap, PHHepMCGenEvent::addEvent(), assert, genevent(), get_PHHepMCGenEvent_template(), HepMC2Lab_boost_rotation_translation(), and PHHepMCGenEventMap::insert_event().

Referenced by Fun4AllOscarInputManager::ConvertFromOscar(), PHSartre::process_event(), PHPythia6::process_event(), ReadEICFiles::process_event(), ReadSynRadFiles::process_event(), sHEPGen::process_event(), PHPythia8::process_event(), and Fun4AllHepMCInputManager::run().

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void PHHepMCGenHelper::move_vertex ( PHHepMCGenEvent * genevent )

protected

move vertex in translation according to vertex settings

Definition at line 123 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 123 of file PHHepMCGenHelper.cc

References _reuse_vertex, _vertex_func_t, _vertex_func_x, _vertex_func_y, _vertex_func_z, _vertex_t, _vertex_width_t, _vertex_width_x, _vertex_width_y, _vertex_width_z, _vertex_x, _vertex_y, _vertex_z, assert, PHHepMCGenEvent::moveVertex(), and smear().

Referenced by HepMC2Lab_boost_rotation_translation().

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CLHEP::Hep3Vector PHHepMCGenHelper::pair2Hep3Vector ( const std::pair< double, double > & theta_phi )

staticprivate

function to convert spherical coordinate to Hep3Vector in x-y-z

Definition at line 244 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 244 of file PHHepMCGenHelper.cc

References ActsTests::PropagationDatasets::phi, and ActsTests::PropagationDatasets::theta.

Referenced by generate_vertx_with_bunch_interaction(), and HepMC2Lab_boost_rotation_translation().

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void PHHepMCGenHelper::PHHepMCGenHelper_Verbosity ( int v )

inline

Definition at line 169 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 169 of file PHHepMCGenHelper.h

References m_verbosity, and testSigmaEff::v.

int PHHepMCGenHelper::PHHepMCGenHelper_Verbosity ( )

inline

Definition at line 171 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 171 of file PHHepMCGenHelper.h

References m_verbosity.

void PHHepMCGenHelper::Print ( const std::string & what = "ALL" ) const

Definition at line 635 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 635 of file PHHepMCGenHelper.cc

References _vertex_func_t, _vertex_func_x, _vertex_func_y, _vertex_func_z, _vertex_width_t, _vertex_width_x, _vertex_width_y, _vertex_width_z, m_beam_angular_divergence_hv, m_beam_angular_z_coefficient_hv, m_beam_bunch_width, m_beam_direction_theta_phi, and m_use_beam_bunch_sim.

Referenced by HepMC2Lab_boost_rotation_translation(), and Fun4AllHepMCInputManager::Print().

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void PHHepMCGenHelper::set_beam_angular_divergence_hv	(	const double	beamA_divergence_h,
		const double	beamA_divergence_v,
		const double	beamB_divergence_h,
		const double	beamB_divergence_v
	)

inline

Beam angle divergence in accelerator beam coordinate.

Parameters

[in]	beamA_divergence_h	beamA, horizontal divergence Gaussian Sigma. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamA_divergence_v	beamA, vertical divergence Gaussian Sigma. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamB_divergence_h	beamB, horizontal divergence Gaussian Sigma. BeamA is aimed to -z direction in the HepMC event generator's coordinate
[in]	beamB_divergence_v	beamB, vertical divergence Gaussian Sigma. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 127 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 127 of file PHHepMCGenHelper.h

References m_beam_angular_divergence_hv.

Referenced by Input::ApplyEICBeamParameter(), and CopySettings().

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void PHHepMCGenHelper::set_beam_angular_z_coefficient_hv	(	const double	beamA_h,
		const double	beamA_v,
		const double	beamB_h,
		const double	beamB_v
	)

inline

Central beam angle shift as linear function of longitudinal vertex position, d_shift/dz, which is used to represent leading order effect of crab cavity momentum kick on the beam bunch

Parameters

[in]	beamA_h	beamA, horizontal angle dh/dz. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamA_v	beamA, vertical angle dv/dz. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamB_h	beamB, horizontal angle dh/dz. BeamA is aimed to -z direction in the HepMC event generator's coordinate
[in]	beamB_v	beamB, vertical angle dv/dz. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 142 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 142 of file PHHepMCGenHelper.h

References m_beam_angular_z_coefficient_hv.

Referenced by Input::ApplyEICBeamParameter(), and CopySettings().

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void PHHepMCGenHelper::set_beam_bunch_width	(	const std::vector< double > &	beamA,
		const std::vector< double > &	beamB
	)

Beam bunch geometry as 3D Gauss width First element is beamA, in vector of Gaussian Sigma H,V,Longitudinal Second element is beamB, in vector of Gaussian Sigma H,V,Longitudinal

Definition at line 532 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 532 of file PHHepMCGenHelper.cc

References m_beam_bunch_width, and m_use_beam_bunch_sim.

Referenced by CopySettings().

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void PHHepMCGenHelper::set_beam_direction_theta_phi	(	const double	beamA_theta,
		const double	beamA_phi,
		const double	beamB_theta,
		const double	beamB_phi
	)

inline

Beam angle in lab polar coordinate.

Parameters

[in]	beamA_theta	beamA, in pair of Theta-Phi. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamA_phi	beamA, in pair of Theta-Phi. BeamA is aimed to +z direction in the HepMC event generator's coordinate
[in]	beamB_theta	beamB, in pair of Theta-Phi. BeamA is aimed to -z direction in the HepMC event generator's coordinate
[in]	beamB_phi	beamB, in pair of Theta-Phi. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 113 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 113 of file PHHepMCGenHelper.h

References m_beam_direction_theta_phi.

Referenced by Input::ApplyEICBeamParameter(), Input::ApplysPHENIXBeamParameter(), and CopySettings().

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void PHHepMCGenHelper::set_embedding_id ( int id )

inline

embedding ID for the event positive ID is the embedded event of interest, e.g. jetty event from pythia negative IDs are backgrounds, .e.g out of time pile up collisions Usually, ID = 0 means the primary Au+Au collision background

Definition at line 69 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 69 of file PHHepMCGenHelper.h

References _embedding_id, and train_ambiguity_solver::id.

Referenced by Fun4AllHepMCInputManager::Fun4AllHepMCInputManager(), Fun4AllHepMCPileupInputManager::Fun4AllHepMCPileupInputManager(), InputInit(), PHPythia6::PHPythia6(), PHPythia8::PHPythia8(), PHSartre::PHSartre(), ReadEICFiles::ReadEICFiles(), ReadSynRadFiles::ReadSynRadFiles(), ReadSynRadFiles::set_embedding_id(), PHPythia6::set_embedding_id(), and sHEPGen::sHEPGen().

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void PHHepMCGenHelper::set_geneventmap ( PHHepMCGenEventMap * geneventmap )

inline

Definition at line 103 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 103 of file PHHepMCGenHelper.h

References _geneventmap.

Referenced by Fun4AllHepMCInputManager::Fun4AllHepMCInputManager(), and Fun4AllOscarInputManager::Fun4AllOscarInputManager().

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void PHHepMCGenHelper::set_reuse_vertex ( int src_embedding_id )

inline

reuse vertex from another PHHepMCGenEvent with embedding_id = src_embedding_id Additional smearing and shift possible with set_vertex_distribution_*()

Definition at line 72 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 72 of file PHHepMCGenHelper.h

References _reuse_vertex, and _reuse_vertex_embedding_id.

Referenced by Fun4All_G4_sPHENIX_photonjet(), Fun4All_G4_sPHENIX_photons(), Fun4All_G4_sPHENIX_truthphotonjet(), ReadSynRadFiles::set_reuse_vertex(), and PHPythia6::set_reuse_vertex().

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void PHHepMCGenHelper::set_vertex_distribution_function	(	VTXFUNC	x,
		VTXFUNC	y,
		VTXFUNC	z,
		VTXFUNC	t
	)

toss a new vertex according to a Uniform or Gaus distribution

Definition at line 482 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 482 of file PHHepMCGenHelper.cc

References _vertex_func_t, _vertex_func_x, _vertex_func_y, _vertex_func_z, m_use_beam_bunch_sim, t, ambiguity_solver_full_chain::x, y, and physmon_track_finding_ttbar::z.

Referenced by Input::ApplyEICBeamParameter(), Input::ApplysPHENIXBeamParameter(), CopySettings(), ReadSynRadFiles::set_vertex_distribution_function(), and PHPythia6::set_vertex_distribution_function().

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void PHHepMCGenHelper::set_vertex_distribution_mean	(	const double	x,
		const double	y,
		const double	z,
		const double	t
	)

set the mean value of the vertex distribution, use PHENIX units of cm, ns

Definition at line 498 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 498 of file PHHepMCGenHelper.cc

References _vertex_t, _vertex_x, _vertex_y, _vertex_z, m_use_beam_bunch_sim, t, ambiguity_solver_full_chain::x, y, and physmon_track_finding_ttbar::z.

Referenced by sHEPGen::beam_vertex_parameters(), PHSartre::beam_vertex_parameters(), PHPythia8::beam_vertex_parameters(), CopySettings(), ReadSynRadFiles::set_vertex_distribution_mean(), and PHPythia6::set_vertex_distribution_mean().

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void PHHepMCGenHelper::set_vertex_distribution_width	(	const double	x,
		const double	y,
		const double	z,
		const double	t
	)

set the width of the vertex distribution function about the mean, use PHENIX units of cm, ns

Definition at line 515 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 515 of file PHHepMCGenHelper.cc

References _vertex_width_t, _vertex_width_x, _vertex_width_y, _vertex_width_z, m_use_beam_bunch_sim, t, ambiguity_solver_full_chain::x, y, and physmon_track_finding_ttbar::z.

Referenced by Input::ApplyEICBeamParameter(), Input::ApplysPHENIXBeamParameter(), sHEPGen::beam_vertex_parameters(), PHSartre::beam_vertex_parameters(), PHPythia8::beam_vertex_parameters(), CopySettings(), ReadSynRadFiles::set_vertex_distribution_width(), and PHPythia6::set_vertex_distribution_width().

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double PHHepMCGenHelper::smear	(	const double	position,
		const double	width,
		VTXFUNC	dist
	)		const

private

Definition at line 546 of file PHHepMCGenHelper.cc.

View newest version in sPHENIX GitHub at line 546 of file PHHepMCGenHelper.cc

References assert, Gaus, position, RandomGenerator, Uniform, and width.

Referenced by generate_vertx_with_bunch_interaction(), HepMC2Lab_boost_rotation_translation(), and move_vertex().

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void PHHepMCGenHelper::use_beam_bunch_sim ( bool b )

inline

simulate bunch interaction instead of applying vertex distributions

Definition at line 152 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 152 of file PHHepMCGenHelper.h

References KFPMath::b, and m_use_beam_bunch_sim.

Referenced by CopySettings().

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Member Data Documentation

int PHHepMCGenHelper::_embedding_id

private

positive ID is the embedded event of interest, e.g. jetty event from pythia negative IDs are backgrounds, .e.g out of time pile up collisions Usually, ID = 0 means the primary Au+Au collision background

Definition at line 236 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 236 of file PHHepMCGenHelper.h

Referenced by get_embedding_id(), insert_event(), and set_embedding_id().

PHHepMCGenEventMap* PHHepMCGenHelper::_geneventmap

private

pointer to the output container

Definition at line 245 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 245 of file PHHepMCGenHelper.h

Referenced by create_node_tree(), get_geneventmap(), HepMC2Lab_boost_rotation_translation(), insert_event(), and set_geneventmap().

bool PHHepMCGenHelper::_reuse_vertex

private

whether reuse vertex from another PHHepMCGenEvent

Definition at line 239 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 239 of file PHHepMCGenHelper.h

Referenced by HepMC2Lab_boost_rotation_translation(), move_vertex(), and set_reuse_vertex().

int PHHepMCGenHelper::_reuse_vertex_embedding_id

private

if reuse_vertex, which embedding_id provide the source vertex. Additional smearing and shift possible with set_vertex_distribution*()

Definition at line 242 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 242 of file PHHepMCGenHelper.h

Referenced by HepMC2Lab_boost_rotation_translation(), and set_reuse_vertex().

VTXFUNC PHHepMCGenHelper::_vertex_func_t

private

Definition at line 196 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 196 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_function().

VTXFUNC PHHepMCGenHelper::_vertex_func_x

private

Definition at line 193 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 193 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_function().

VTXFUNC PHHepMCGenHelper::_vertex_func_y

private

Definition at line 194 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 194 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_function().

VTXFUNC PHHepMCGenHelper::_vertex_func_z

private

Definition at line 195 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 195 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_function().

double PHHepMCGenHelper::_vertex_t

private

Definition at line 201 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 201 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), and set_vertex_distribution_mean().

double PHHepMCGenHelper::_vertex_width_t

private

Definition at line 206 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 206 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_width().

double PHHepMCGenHelper::_vertex_width_x

private

Definition at line 203 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 203 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_width().

double PHHepMCGenHelper::_vertex_width_y

private

Definition at line 204 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 204 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_width().

double PHHepMCGenHelper::_vertex_width_z

private

Definition at line 205 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 205 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), Print(), and set_vertex_distribution_width().

double PHHepMCGenHelper::_vertex_x

private

Definition at line 198 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 198 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), and set_vertex_distribution_mean().

double PHHepMCGenHelper::_vertex_y

private

Definition at line 199 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 199 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), and set_vertex_distribution_mean().

double PHHepMCGenHelper::_vertex_z

private

Definition at line 200 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 200 of file PHHepMCGenHelper.h

Referenced by CopySettings(), move_vertex(), and set_vertex_distribution_mean().

std::pair<std::pair<double, double>, std::pair<double, double> > PHHepMCGenHelper::m_beam_angular_divergence_hv

private

Initial value:

= {
      {0, 0},  
      {0, 0}   
  }

Beam angle divergence in accelerator beam coordinate. First element is beamA, in pair of Gaussian Sigma_H Sigma_V. BeamA is aimed to +z direction in the HepMC event generator's coordinate Second element is beamB, in pair of Gaussian Sigma_H Sigma_V. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 219 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 219 of file PHHepMCGenHelper.h

Referenced by CopySettings(), HepMC2Lab_boost_rotation_translation(), Print(), and set_beam_angular_divergence_hv().

std::pair<std::pair<double, double>, std::pair<double, double> > PHHepMCGenHelper::m_beam_angular_z_coefficient_hv

private

Initial value:

= {
      {0, 0},  
      {0, 0}   
  }

Central beam angle shift as linear function of longitudinal vertex position, d_shift/dz, which is used to represent leading order effect of crab cavity momentum kick on the beam bunch First element is beamA, in pair of dh/dz, dv/dz. BeamA is aimed to +z direction in the HepMC event generator's coordinate Second element is beamB, in pair of dh/dz, dv/dz. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 228 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 228 of file PHHepMCGenHelper.h

Referenced by CopySettings(), HepMC2Lab_boost_rotation_translation(), Print(), and set_beam_angular_z_coefficient_hv().

std::pair<std::vector<double>, std::vector<double> > PHHepMCGenHelper::m_beam_bunch_width

private

Initial value:

= {
      {0, 0, 0},  
      {0, 0, 0}   
  }

Beam bunch geometry as 3D Gauss width First element is beamA, in vector of Gaussian Sigma H,V,Longitudinal Second element is beamB, in vector of Gaussian Sigma H,V,Longitudinal

Definition at line 256 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 256 of file PHHepMCGenHelper.h

Referenced by CopySettings(), generate_vertx_with_bunch_interaction(), get_collision_width(), Print(), and set_beam_bunch_width().

std::pair<std::pair<double, double>, std::pair<double, double> > PHHepMCGenHelper::m_beam_direction_theta_phi

private

Initial value:

= {
      {0, 0},    
      {M_PI, 0}  
  }

Beam angle in lab polar coordinate. First element is beamA, in pair of Theta-Phi. BeamA is aimed to +z direction in the HepMC event generator's coordinate Second element is beamB, in pair of Theta-Phi. BeamA is aimed to -z direction in the HepMC event generator's coordinate

Definition at line 211 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 211 of file PHHepMCGenHelper.h

Referenced by CopySettings(), generate_vertx_with_bunch_interaction(), HepMC2Lab_boost_rotation_translation(), Print(), and set_beam_direction_theta_phi().

bool PHHepMCGenHelper::m_use_beam_bunch_sim = false

private

simulate bunch interaction instead of applying vertex distributions

Definition at line 251 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 251 of file PHHepMCGenHelper.h

Referenced by CopySettings(), HepMC2Lab_boost_rotation_translation(), Print(), set_beam_bunch_width(), set_vertex_distribution_function(), set_vertex_distribution_mean(), set_vertex_distribution_width(), and use_beam_bunch_sim().

int PHHepMCGenHelper::m_verbosity = 0

private

verbosity

Definition at line 248 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 248 of file PHHepMCGenHelper.h

Referenced by generate_vertx_with_bunch_interaction(), HepMC2Lab_boost_rotation_translation(), and PHHepMCGenHelper_Verbosity().

gsl_rng* PHHepMCGenHelper::RandomGenerator

private

Definition at line 186 of file PHHepMCGenHelper.h.

View newest version in sPHENIX GitHub at line 186 of file PHHepMCGenHelper.h

Referenced by get_random_generator(), PHHepMCGenHelper(), smear(), and ~PHHepMCGenHelper().

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

coresoftware/blob/master/generators/phhepmc/PHHepMCGenHelper.h
coresoftware/blob/master/generators/phhepmc/PHHepMCGenHelper.cc

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