cbm_sts_utils Namespace Reference

Namespace containing utility functions for STS detector. More...

Classes
struct	HBinning
	Structure to hold the binning for 1D histogram. More...

Functions
int32_t	GetHitCluSizeF (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the cluster size of a hit from the front side.
int32_t	GetHitCluSizeB (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the cluster size of a hit from the back side.
double	GetHitCharge (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge of a hit as the average of front and back cluster charges.
double	GetHitChargeB (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge of a hit from the back side.
double	GetHitChargeF (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge of a hit from the front side.
double	GetHitTimeB (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge of a hit from the back side.
double	GetHitTimeF (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge of a hit from the front side.
double	GetHitSizeAsy (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the size asymmetry of a hit.
double	GetHitChargeAsy (CbmStsHit *hit=nullptr, TClonesArray *clusters=nullptr)
	Get the charge asymmetry of a hit.
std::pair< HBinning, HBinning >	ChargeBinning (const CbmStsParModule &par_module, const uint32_t max_clu_size=1)
	Generate the charge binning from module config obj.
std::set< int >	GetUnits (const std::vector< int32_t > addresses)
	Return the STS units from a list of addresses.
std::vector< int32_t >	GetUnitModules (const std::vector< int32_t > addresses, const uint32_t unit)
	From a list of module address, return those that belong to a selected unit.

Variables
static const double	kStsClock = 3.125
static const double	kStsDx = 6. / 1024
static const double	kStsDy = kStsDx / std::tan(7.5 * TMath::Pi() / 180)
static const double	kStsErrX = kStsDx / sqrt(12)
static const double	kStsErrY = kStsDy / sqrt(12)

Detailed Description

Namespace containing utility functions for STS detector.

Function Documentation

ChargeBinning()

std::pair< cbm_sts_utils::HBinning, cbm_sts_utils::HBinning > cbm_sts_utils::ChargeBinning	(	const CbmStsParModule &	par_module,
		const uint32_t	max_clu_size = 1 )

Generate the charge binning from module config obj.

Get the charge asymmetry of a hit.

Parameters

par_module	Obj containing the module configuration
max_clu_size	maximum cluster size to sample

Returns

pair binning structure for n(p)-side

Definition at line 85 of file CbmStsUtils.cxx.

References CbmStsParModule::GetAsicParams(), and par_asic.

Referenced by CbmStsHitAna::BookHistograms().

GetHitCharge()

double cbm_sts_utils::GetHitCharge	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge of a hit as the average of front and back cluster charges.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Average charge of the hit

Definition at line 62 of file CbmStsUtils.cxx.

References GetHitChargeB(), and GetHitChargeF().

Referenced by CbmStsResolution::BuildResidual(), and CbmCutMap::CheckStsHit().

GetHitChargeAsy()

double cbm_sts_utils::GetHitChargeAsy	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge asymmetry of a hit.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge asymmetry of the hit

Definition at line 73 of file CbmStsUtils.cxx.

References GetHitChargeB(), and GetHitChargeF().

Referenced by CbmCutMap::CheckStsHit(), and CbmStsHitAna::ProcessHit().

GetHitChargeB()

double cbm_sts_utils::GetHitChargeB	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge of a hit from the back side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge of the hit on the back side

Definition at line 36 of file CbmStsUtils.cxx.

References CbmStsHit::GetBackClusterId().

Referenced by GetHitCharge(), GetHitChargeAsy(), and CbmStsHitAna::ProcessHit().

GetHitChargeF()

double cbm_sts_utils::GetHitChargeF	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge of a hit from the front side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge of the hit on the front side

Definition at line 28 of file CbmStsUtils.cxx.

References CbmStsHit::GetFrontClusterId().

Referenced by GetHitCharge(), GetHitChargeAsy(), and CbmStsHitAna::ProcessHit().

GetHitCluSizeB()

int32_t cbm_sts_utils::GetHitCluSizeB	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the cluster size of a hit from the back side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Cluster size on the back side

Definition at line 20 of file CbmStsUtils.cxx.

References CbmStsHit::GetBackClusterId().

Referenced by CbmStsHitAna::ProcessHit().

GetHitCluSizeF()

int32_t cbm_sts_utils::GetHitCluSizeF	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the cluster size of a hit from the front side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Cluster size on the front side

Definition at line 13 of file CbmStsUtils.cxx.

References CbmStsHit::GetFrontClusterId().

Referenced by CbmStsHitAna::ProcessHit().

GetHitSizeAsy()

double cbm_sts_utils::GetHitSizeAsy	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the size asymmetry of a hit.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge asymmetry of the hit

GetHitTimeB()

double cbm_sts_utils::GetHitTimeB	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge of a hit from the back side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge of the hit on the back side

Definition at line 53 of file CbmStsUtils.cxx.

References CbmStsHit::GetBackClusterId().

Referenced by CbmStsHitAna::ProcessHit().

GetHitTimeF()

double cbm_sts_utils::GetHitTimeF	(	CbmStsHit *	hit = nullptr,
		TClonesArray *	clusters = nullptr )

Get the charge of a hit from the front side.

Parameters

hit	Pointer to the STS hit
clusters	Pointer to the TClonesArray of clusters

Returns

Charge of the hit on the front side

Definition at line 45 of file CbmStsUtils.cxx.

References CbmStsHit::GetFrontClusterId().

Referenced by CbmStsHitAna::ProcessHit().

GetUnitModules()

std::vector< int32_t > cbm_sts_utils::GetUnitModules	(	const std::vector< int32_t >	addresses,
		const uint32_t	unit )

From a list of module address, return those that belong to a selected unit.

Parameters

addresses	Vector containing the addresses of the modules
unit	Selected unit

Returns

subset of modules that belong to the selected unit

Definition at line 134 of file CbmStsUtils.cxx.

References CbmStsAddress::GetElementId(), and kStsUnit.

GetUnits()

std::set< int > cbm_sts_utils::GetUnits

(

const std::vector< int32_t >

addresses

)

Return the STS units from a list of addresses.

Parameters

addresses

Vector containing the addresses of the modules

Returns

set of units

Definition at line 125 of file CbmStsUtils.cxx.

References CbmStsAddress::GetElementId(), and kStsUnit.

Variable Documentation

kStsClock

const double cbm_sts_utils::kStsClock = 3.125

static

Definition at line 20 of file CbmStsUtils.h.

Referenced by CbmStsHitAna::BookHistograms().

kStsDx

const double cbm_sts_utils::kStsDx = 6. / 1024

static

Definition at line 21 of file CbmStsUtils.h.

Referenced by CbmStsCorrelation::BookHistograms(), CbmStsEfficiency::BookHistograms(), CbmStsHitAna::BookHistograms(), and CbmStsResolution::BookHistograms().

kStsDy

const double cbm_sts_utils::kStsDy = kStsDx / std::tan(7.5 * TMath::Pi() / 180)

static

Definition at line 22 of file CbmStsUtils.h.

Referenced by CbmStsCorrelation::BookHistograms(), CbmStsEfficiency::BookHistograms(), CbmStsHitAna::BookHistograms(), and CbmStsResolution::BookHistograms().

kStsErrX

const double cbm_sts_utils::kStsErrX = kStsDx / sqrt(12)

static

Definition at line 23 of file CbmStsUtils.h.

kStsErrY

const double cbm_sts_utils::kStsErrY = kStsDy / sqrt(12)

static

Definition at line 24 of file CbmStsUtils.h.