Definition of gas parameters for one TRD module. More...

#include <CbmTrdParModGas.h>

Inheritance diagram for CbmTrdParModGas:

Collaboration diagram for CbmTrdParModGas:

Public Types
enum	CbmTrdParModGasDef { kDetType = 0 , kNobleGasType , kPID }

Public Member Functions
	CbmTrdParModGas (const char *title="TRD gas properties definition")

virtual	~CbmTrdParModGas ()

Double_t	GetCO2 () const

const Char_t *	GetDetName () const

Int_t	GetDetType () const

Double_t	GetDriftTime (Double_t y0, Double_t z0) const

void	GetElectricPotential (Int_t &ua, Int_t &ud) const

Float_t	GetBindingEnergy (const Char_t shell='K', Bool_t main=kTRUE) const
	Get binding energy for the working gas.

Float_t	EkevFC (Float_t ekev) const
	Convert Energy debposit in keV to pad-plane charge taking into account the gas gain.

Float_t	EfCkeV (Float_t efc) const
	Convert pad-plane charge in fC to energy deposit [keV] taking into account the gas gain.

TString	GetFileName () const

Double_t	GetNobleGas () const

const Char_t *	GetNobleGasName () const

Int_t	GetNobleGasType () const

Float_t	GetNonIonizingBR (const Char_t shell='K') const
	Get branching ration for radiative process on the.

Char_t	GetPEshell (Float_t Ex) const
	Get first atomic shell which can be excited by PE effect.

Int_t	GetPidType () const

Int_t	GetShellId (const Char_t shell) const
	Get atomic shell index.

UShort_t	GetUanode () const

UShort_t	GetUdrift () const

virtual void	Print (Option_t *opt="") const

Double_t	ScanDriftTime (Double_t y0, Double_t z0, Double_t dzdy, Double_t dy) const
	Get prompt signal for track segment in the y-z plane.

void	SetDriftMap (TH2F hm, TDirectory d)
	Load drift map for current settings from repository.

void	SetDw (Double_t dw)

void	SetGasThick (Double_t sz)

void	SetDetType (Int_t gsi=0)

void	SetCO2 (Double_t p)

void	SetFileName (const Char_t *fn)

void	SetNobleGas (Double_t p)

void	SetNobleGasType (Int_t ar=1)

void	SetPidType (Int_t like=1)

void	SetElectricPotential (Int_t ua, Int_t ud)

virtual uint16_t	GetConfig () const

virtual int	GetModuleId () const

virtual uint8_t	GetVersion () const

virtual void	SetConfigId (uint16_t c)

virtual void	SetModuleId (int m)

virtual void	SetVersion (uint8_t v)

Protected Attributes
uint8_t	fVersion = 0
	version of the parameter

int	fModuleId = 0
	module id

Private Member Functions
	CbmTrdParModGas (const CbmTrdParModGas &ref)

const CbmTrdParModGas &	operator= (const CbmTrdParModGas &ref)

Private Attributes
Int_t	fConfig
	config TRD gas see CbmTrdParModGasDef

UShort_t	fUa
	anode voltage

UShort_t	fUd
	drift voltage

Double_t	fDw
	anode wire pitch

Double_t	fGasThick
	gas thickness

Double_t	fPercentCO2
	Percentage of CO2.

TH2F *	fDriftMap
	drift time map for one amplification cell

TString	fFileNamePID
	filename for PID database

Static Private Attributes
static Float_t	fgkBindingEnergy [2][NSHELLS]
	binding energy in keV for first atomic shells of Ar and Xe

static Float_t	fgkBR [2][NSHELLS - 1]
	branching ratio for non-ionizing decay of Ar and Xe

static Float_t	fgkWi [3]
	average energy to produce one electron-ion pair for ar, xe and co2

static Float_t	fgkGGainUaPar [2] = {-10.1676, 8.3745}
	gas gaian parametrization on Ua for Ar on Buch detector

static Float_t	fgkE0 = 866.1047
	min energy [ADC ch] which can be measured

Detailed Description

Definition of gas parameters for one TRD module.

Definition at line 20 of file CbmTrdParModGas.h.

Member Enumeration Documentation

◆ CbmTrdParModGasDef

enum CbmTrdParModGas::CbmTrdParModGasDef

Enumerator
kDetType
kNobleGasType	Type of noble gas (Xe=0, Ar=1)
kPID	PID Method (ANN=0, Likelihood=1)

Definition at line 22 of file CbmTrdParModGas.h.

Constructor & Destructor Documentation

◆ CbmTrdParModGas() [1/2]

CbmTrdParModGas::CbmTrdParModGas ( const char * title = "TRD gas properties definition" )

Definition at line 42 of file CbmTrdParModGas.cxx.

References CbmTrdParMod::fModuleId, fUa, fUd, SetNobleGasType(), and VERBOSE.

◆ ~CbmTrdParModGas()

CbmTrdParModGas::~CbmTrdParModGas ( )

virtual

Definition at line 82 of file CbmTrdParModGas.cxx.

◆ CbmTrdParModGas() [2/2]

CbmTrdParModGas::CbmTrdParModGas ( const CbmTrdParModGas & ref )

private

Member Function Documentation

◆ EfCkeV()

Float_t CbmTrdParModGas::EfCkeV ( Float_t efc ) const

Convert pad-plane charge in fC to energy deposit [keV] taking into account the gas gain.

Parameters

[in] efc charge in fC

Returns: energy deposit in keV

Convert energy deposit to no of primary ionisations and apply gas gain. Currently gas gain is evaluated from 55Fe spectrum analysis on ArCO2(80/20)

Definition at line 122 of file CbmTrdParModGas.cxx.

References fgkGGainUaPar, fgkWi, fPercentCO2, fUa, GetNobleGasType(), and VERBOSE.

Referenced by CbmTrdModuleSim2D::AddDigi().

◆ EkevFC()

Float_t CbmTrdParModGas::EkevFC ( Float_t ekev ) const

Convert Energy debposit in keV to pad-plane charge taking into account the gas gain.

Parameters

[in] ekev Energy deposit in keV

Returns: charge at FASP input in fC

Definition at line 88 of file CbmTrdParModGas.cxx.

References fgkGGainUaPar, fgkWi, fPercentCO2, fUa, GetNobleGasType(), and VERBOSE.

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ GetBindingEnergy()

Float_t CbmTrdParModGas::GetBindingEnergy	(	const Char_t	shell = 'K',
		Bool_t	main = kTRUE ) const

Get binding energy for the working gas.

Parameters

[in] shell shell id in capitals e.g. K, L, M ...

See also: GetPEshell()

Parameters

[in] main switch between main and escape peak [main=true]

Definition at line 166 of file CbmTrdParModGas.cxx.

References fgkBindingEnergy, GetNobleGasType(), GetShellId(), main(), and NSHELLS.

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ GetCO2()

Double_t CbmTrdParModGas::GetCO2 ( ) const

inline

Definition at line 33 of file CbmTrdParModGas.h.

References fPercentCO2.

◆ GetConfig()

virtual uint16_t CbmTrdParMod::GetConfig ( ) const

inlinevirtualinherited

Definition at line 17 of file CbmTrdParMod.h.

References CbmTrdParMod::fConfig.

◆ GetDetName()

const Char_t * CbmTrdParModGas::GetDetName ( ) const

inline

Definition at line 34 of file CbmTrdParModGas.h.

References GetDetType().

Referenced by Print().

◆ GetDetType()

Int_t CbmTrdParModGas::GetDetType ( ) const

inline

Definition at line 35 of file CbmTrdParModGas.h.

References fConfig, kDetType, and TESTBIT.

Referenced by GetDetName(), and CbmTrdParSetGas::putParams().

◆ GetDriftTime()

Double_t CbmTrdParModGas::GetDriftTime	(	Double_t	y0,
		Double_t	z0 ) const

Definition at line 210 of file CbmTrdParModGas.cxx.

References fDriftMap, and VERBOSE.

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ GetElectricPotential()

void CbmTrdParModGas::GetElectricPotential	(	Int_t &	ua,
		Int_t &	ud ) const

inline

Definition at line 37 of file CbmTrdParModGas.h.

◆ GetFileName()

TString CbmTrdParModGas::GetFileName ( ) const

inline

Definition at line 57 of file CbmTrdParModGas.h.

References fFileNamePID.

Referenced by CbmTrdParSetGas::putParams().

◆ GetModuleId()

virtual int CbmTrdParMod::GetModuleId ( ) const

inlinevirtualinherited

Definition at line 18 of file CbmTrdParMod.h.

References CbmTrdParMod::fModuleId.

Referenced by CbmTrdParSet::addParam(), and CbmMcbm2018UnpackerAlgoTrdR::CreateHistogram().

◆ GetNobleGas()

Double_t CbmTrdParModGas::GetNobleGas ( ) const

inline

Definition at line 58 of file CbmTrdParModGas.h.

References fPercentCO2.

Referenced by Print(), and CbmTrdParSetGas::putParams().

◆ GetNobleGasName()

const Char_t * CbmTrdParModGas::GetNobleGasName ( ) const

inline

Definition at line 59 of file CbmTrdParModGas.h.

References GetNobleGasType().

Referenced by Print().

◆ GetNobleGasType()

Int_t CbmTrdParModGas::GetNobleGasType ( ) const

inline

Definition at line 60 of file CbmTrdParModGas.h.

References fConfig, kNobleGasType, and TESTBIT.

Referenced by EfCkeV(), EkevFC(), GetBindingEnergy(), GetNobleGasName(), GetNonIonizingBR(), GetPEshell(), and GetShellId().

◆ GetNonIonizingBR()

Float_t CbmTrdParModGas::GetNonIonizingBR ( const Char_t shell = 'K' ) const

Get branching ration for radiative process on the.

Parameters

[in] shell shell id in capitals e.g. K, L, M ...

See also: GetPEshell()

Definition at line 185 of file CbmTrdParModGas.cxx.

References fgkBR, GetNobleGasType(), and GetShellId().

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ GetPEshell()

Char_t CbmTrdParModGas::GetPEshell ( Float_t Ex ) const

Get first atomic shell which can be excited by PE effect.

Parameters

[in] Ex energy of the incident X [keV]

Returns: atomic shell name

Definition at line 195 of file CbmTrdParModGas.cxx.

References fgkBindingEnergy, GetNobleGasType(), and NSHELLS.

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ GetPidType()

Int_t CbmTrdParModGas::GetPidType ( ) const

inline

Definition at line 70 of file CbmTrdParModGas.h.

References fConfig, kPID, and TESTBIT.

Referenced by Print(), and CbmTrdParSetGas::putParams().

◆ GetShellId()

Int_t CbmTrdParModGas::GetShellId ( const Char_t shell ) const

Get atomic shell index.

Parameters

[in] shell shell name

Return index of atomic shell. shell name can be 'K', 'L' and 'M'

Definition at line 149 of file CbmTrdParModGas.cxx.

References GetNobleGasType().

Referenced by GetBindingEnergy(), and GetNonIonizingBR().

◆ GetUanode()

UShort_t CbmTrdParModGas::GetUanode ( ) const

inline

Definition at line 75 of file CbmTrdParModGas.h.

References fUa.

Referenced by CbmTrdParSetGas::putParams().

◆ GetUdrift()

UShort_t CbmTrdParModGas::GetUdrift ( ) const

inline

Definition at line 76 of file CbmTrdParModGas.h.

References fUd.

Referenced by CbmTrdParSetGas::putParams().

◆ GetVersion()

virtual uint8_t CbmTrdParMod::GetVersion ( ) const

inlinevirtualinherited

Definition at line 19 of file CbmTrdParMod.h.

References CbmTrdParMod::fVersion.

◆ operator=()

const CbmTrdParModGas & CbmTrdParModGas::operator= ( const CbmTrdParModGas & ref )

private

◆ Print()

void CbmTrdParModGas::Print ( Option_t * opt = "" ) const

virtual

Definition at line 220 of file CbmTrdParModGas.cxx.

References fFileNamePID, CbmTrdParMod::fModuleId, fUa, fUd, GetDetName(), GetNobleGas(), GetNobleGasName(), and GetPidType().

Referenced by CbmTrdParManager::CreateModuleParameters().

◆ ScanDriftTime()

Double_t CbmTrdParModGas::ScanDriftTime	(	Double_t	y0,
		Double_t	z0,
		Double_t	dzdy,
		Double_t	dy ) const

Get prompt signal for track segment in the y-z plane.

Parameters

y0	entry point on y in amplification cell coordinates (+- anode pitch/2)
z0	entry point on z (+- chmb_height/2)
dzdy	Track angle in the y-z plane
dy	track span on y

See also: CbmTrdModuleSimT::ScanPadPlane() CbmTrdModuleSimT::AddDigi()

Author: A.Bercuci aberc.nosp@m.uci@.nosp@m.niham.nosp@m..nip.nosp@m.ne.ro

Definition at line 229 of file CbmTrdParModGas.cxx.

References fDriftMap, fDw, and VERBOSE.

Referenced by CbmTrdModuleSim2D::MakeDigi().

◆ SetCO2()

void CbmTrdParModGas::SetCO2 ( Double_t p )

inline

Definition at line 99 of file CbmTrdParModGas.h.

References fPercentCO2.

◆ SetConfigId()

virtual void CbmTrdParMod::SetConfigId ( uint16_t c )

inlinevirtualinherited

Definition at line 21 of file CbmTrdParMod.h.

References CbmTrdParMod::fConfig.

◆ SetDetType()

void CbmTrdParModGas::SetDetType ( Int_t gsi = 0 )

inline

Definition at line 98 of file CbmTrdParModGas.h.

References CLRBIT, fConfig, kDetType, and SETBIT.

Referenced by CbmTrdParManager::CreateModuleParameters().

◆ SetDriftMap()

void CbmTrdParModGas::SetDriftMap	(	TH2F *	hm,
		TDirectory *	d )

Load drift map for current settings from repository.

Parameters

[in]	hm	histogram obtained as interpolation
[in]	d	ROOT directory of CbmRoot

See also: CbmTrdParSetGas::GetDriftMap()

Load drift map in the module and get ownership

Definition at line 277 of file CbmTrdParModGas.cxx.

References fDriftMap, CbmTrdParMod::fModuleId, fUa, fUd, and VERBOSE.

◆ SetDw()

void CbmTrdParModGas::SetDw ( Double_t dw )

inline

Definition at line 96 of file CbmTrdParModGas.h.

References fDw.

◆ SetElectricPotential()

void CbmTrdParModGas::SetElectricPotential	(	Int_t	ua,
		Int_t	ud )

inline

Definition at line 104 of file CbmTrdParModGas.h.

References fUa, and fUd.

◆ SetFileName()

void CbmTrdParModGas::SetFileName ( const Char_t * fn )

inline

Definition at line 100 of file CbmTrdParModGas.h.

References fFileNamePID.

◆ SetGasThick()

void CbmTrdParModGas::SetGasThick ( Double_t sz )

inline

Definition at line 97 of file CbmTrdParModGas.h.

References fGasThick.

◆ SetModuleId()

virtual void CbmTrdParMod::SetModuleId ( int m )

inlinevirtualinherited

Definition at line 22 of file CbmTrdParMod.h.

References CbmTrdParMod::fModuleId.

Referenced by CbmTrdParManager::CreateModuleParameters(), CbmTrdParSetAsic::getParams(), and CbmTrdParSetGeo::Init().

◆ SetNobleGas()

void CbmTrdParModGas::SetNobleGas ( Double_t p )

inline

Definition at line 101 of file CbmTrdParModGas.h.

References fPercentCO2.

◆ SetNobleGasType()

void CbmTrdParModGas::SetNobleGasType ( Int_t ar = 1 )

inline

Definition at line 102 of file CbmTrdParModGas.h.

References CLRBIT, fConfig, kNobleGasType, and SETBIT.

Referenced by CbmTrdParModGas().

◆ SetPidType()

void CbmTrdParModGas::SetPidType ( Int_t like = 1 )

inline

Definition at line 103 of file CbmTrdParModGas.h.

References CLRBIT, fConfig, kPID, and SETBIT.

Referenced by CbmTrdParManager::CreateModuleParameters().

◆ SetVersion()

virtual void CbmTrdParMod::SetVersion ( uint8_t v )

inlinevirtualinherited

Definition at line 23 of file CbmTrdParMod.h.

References CbmTrdParMod::fVersion, and v.

Member Data Documentation

◆ fConfig

Int_t CbmTrdParModGas::fConfig

private

config TRD gas see CbmTrdParModGasDef

Definition at line 114 of file CbmTrdParModGas.h.

Referenced by GetDetType(), GetNobleGasType(), GetPidType(), SetDetType(), SetNobleGasType(), and SetPidType().

◆ fDriftMap

TH2F* CbmTrdParModGas::fDriftMap

private

drift time map for one amplification cell

Definition at line 120 of file CbmTrdParModGas.h.

Referenced by GetDriftTime(), ScanDriftTime(), and SetDriftMap().

◆ fDw

Double_t CbmTrdParModGas::fDw

private

anode wire pitch

Definition at line 117 of file CbmTrdParModGas.h.

Referenced by ScanDriftTime(), and SetDw().

◆ fFileNamePID

TString CbmTrdParModGas::fFileNamePID

private

filename for PID database

Definition at line 121 of file CbmTrdParModGas.h.

Referenced by GetFileName(), Print(), and SetFileName().

◆ fGasThick

Double_t CbmTrdParModGas::fGasThick

private

gas thickness

Definition at line 118 of file CbmTrdParModGas.h.

Referenced by SetGasThick().

◆ fgkBindingEnergy

Float_t CbmTrdParModGas::fgkBindingEnergy

staticprivate

Initial value:

= {
  {34.5, 5.1, 1.1},  
  {3.2, 0.25, 0.1}   
}

binding energy in keV for first atomic shells of Ar and Xe

Definition at line 22 of file CbmTrdParModGas.h.

Referenced by GetBindingEnergy(), and GetPEshell().

◆ fgkBR

Float_t CbmTrdParModGas::fgkBR

staticprivate

Initial value:

= {
  {0.11, 0.02},  
  {0.11, 0.02}   
}

branching ratio for non-ionizing decay of Ar and Xe

Definition at line 27 of file CbmTrdParModGas.h.

Referenced by GetNonIonizingBR().

◆ fgkE0

Float_t CbmTrdParModGas::fgkE0 = 866.1047

staticprivate

min energy [ADC ch] which can be measured

Definition at line 127 of file CbmTrdParModGas.h.

◆ fgkGGainUaPar

Float_t CbmTrdParModGas::fgkGGainUaPar = {-10.1676, 8.3745}

staticprivate

gas gaian parametrization on Ua for Ar on Buch detector

Definition at line 38 of file CbmTrdParModGas.h.

Referenced by EfCkeV(), and EkevFC().

◆ fgkWi

Float_t CbmTrdParModGas::fgkWi

staticprivate

Initial value:

average energy to produce one electron-ion pair for ar, xe and co2

Definition at line 32 of file CbmTrdParModGas.h.

Referenced by EfCkeV(), and EkevFC().

◆ fModuleId

int CbmTrdParMod::fModuleId = 0

protectedinherited

module id

Definition at line 28 of file CbmTrdParMod.h.

Referenced by CbmTrdParModGas(), CbmTrdParMod::GetModuleId(), CbmTrdParModDigi::Print(), Print(), SetDriftMap(), and CbmTrdParMod::SetModuleId().

◆ fPercentCO2

Double_t CbmTrdParModGas::fPercentCO2

private

Percentage of CO2.

Definition at line 119 of file CbmTrdParModGas.h.

Referenced by EfCkeV(), EkevFC(), GetCO2(), GetNobleGas(), SetCO2(), and SetNobleGas().

◆ fUa

UShort_t CbmTrdParModGas::fUa

private

anode voltage

Definition at line 115 of file CbmTrdParModGas.h.

Referenced by CbmTrdParModGas(), EfCkeV(), EkevFC(), GetUanode(), Print(), SetDriftMap(), and SetElectricPotential().

◆ fUd

UShort_t CbmTrdParModGas::fUd

private

drift voltage

Definition at line 116 of file CbmTrdParModGas.h.

Referenced by CbmTrdParModGas(), GetUdrift(), Print(), SetDriftMap(), and SetElectricPotential().

◆ fVersion

uint8_t CbmTrdParMod::fVersion = 0

protectedinherited

version of the parameter

Definition at line 26 of file CbmTrdParMod.h.

Referenced by CbmTrdParModDigi::GetPadPlaneType(), CbmTrdParMod::GetVersion(), and CbmTrdParMod::SetVersion().

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

Public Types

Public Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Enumeration Documentation

◆ CbmTrdParModGasDef

Constructor & Destructor Documentation

◆ CbmTrdParModGas() [1/2]

◆ ~CbmTrdParModGas()

◆ CbmTrdParModGas() [2/2]

Member Function Documentation

◆ EfCkeV()

◆ EkevFC()

◆ GetBindingEnergy()

◆ GetCO2()

◆ GetConfig()

◆ GetDetName()

◆ GetDetType()

◆ GetDriftTime()

◆ GetElectricPotential()

◆ GetFileName()

◆ GetModuleId()

◆ GetNobleGas()

◆ GetNobleGasName()

◆ GetNobleGasType()

◆ GetNonIonizingBR()

◆ GetPEshell()

◆ GetPidType()

◆ GetShellId()

◆ GetUanode()

◆ GetUdrift()

◆ GetVersion()

◆ operator=()

◆ Print()

◆ ScanDriftTime()

◆ SetCO2()

◆ SetConfigId()

◆ SetDetType()

◆ SetDriftMap()

◆ SetDw()

◆ SetElectricPotential()

◆ SetFileName()

◆ SetGasThick()

◆ SetModuleId()

◆ SetNobleGas()

◆ SetNobleGasType()

◆ SetPidType()

◆ SetVersion()

Member Data Documentation

◆ fConfig

◆ fDriftMap

◆ fDw

◆ fFileNamePID

◆ fGasThick

◆ fgkBindingEnergy

◆ fgkBR

◆ fgkE0

◆ fgkGGainUaPar

◆ fgkWi

◆ fModuleId

◆ fPercentCO2

◆ fUa

◆ fUd

◆ fVersion