MuonCalib::MdtSlewCorFuncHardcoded Class Reference

An implementation of a time slew correction function for AMT digitization chip. More...

#include <MdtSlewCorFuncHardcoded.h>

Inheritance diagram for MuonCalib::MdtSlewCorFuncHardcoded:

Collaboration diagram for MuonCalib::MdtSlewCorFuncHardcoded:

Public Types
typedef std::vector< double >	ParVec

Public Member Functions
	MdtSlewCorFuncHardcoded (const CalibFunc::ParVec &vec)
virtual std::string	name () const override
virtual double	correction (double t, double adc) const override
	Return time correction (ns). More...
virtual std::string	typeName () const
unsigned int	nPar () const
const ParVec &	parameters () const
double	par (unsigned int index) const

Static Public Member Functions
static unsigned int	nUsedPar ()

Private Attributes
ParVec	m_parameters

Detailed Description

An implementation of a time slew correction function for AMT digitization chip.

Definition at line 15 of file MdtSlewCorFuncHardcoded.h.

Member Typedef Documentation

ParVec

typedef std::vector<double> MuonCalib::CalibFunc::ParVec

inherited

Definition at line 36 of file CalibFunc.h.

Constructor & Destructor Documentation

MdtSlewCorFuncHardcoded()

MuonCalib::MdtSlewCorFuncHardcoded::MdtSlewCorFuncHardcoded ( const CalibFunc::ParVec &  vec )

inlineexplicit

Definition at line 17 of file MdtSlewCorFuncHardcoded.h.

: IMdtSlewCorFunc(vec) {}

Member Function Documentation

correction()

double MuonCalib::MdtSlewCorFuncHardcoded::correction ( double  t, double  adc  ) const

overridevirtual

Return time correction (ns).

Input: t = drift-time [ns], adc = ADC count after ADC-calibration correction

Implements MuonCalib::IMdtSlewCorFunc.

Definition at line 23 of file MdtSlewCorFuncHardcoded.cxx.

                                                                         {
        // Timeslew correction is negligible (<0.05 ns) for ADC>400 so do not bother computing it.
        // In addition there are very few hits with ADC>400
        // Constant 109 is from an optimization of the timeslew correction
        // calibrated_p(i) is the integrated charge as a function of ADC
        if (adc > 400. || adc < 0.) return 0.;
        static const double A = 109. * std::exp(-1.11925e+00);
        constexpr double adc_chan_conversion = 25. / 32.;
        constexpr double Lambda = -2.08708e-02 * adc_chan_conversion;  // ADC to ns
        // Convert ADC to integrated charge for AMT chip, see ATL-MUON-2002-003
        return A * std::exp(adc * Lambda);
    }

name()

virtual std::string MuonCalib::MdtSlewCorFuncHardcoded::name ( ) const

inlineoverridevirtual

Implements MuonCalib::CalibFunc.

Definition at line 18 of file MdtSlewCorFuncHardcoded.h.

{ return "MdtSlewCorFuncHardCoded"; }

nPar()

unsigned int MuonCalib::CalibFunc::nPar ( ) const

inlineinherited

Definition at line 39 of file CalibFunc.h.

{ return m_parameters.size(); }

nUsedPar()

static unsigned int MuonCalib::MdtSlewCorFuncHardcoded::nUsedPar ( )

inlinestatic

Definition at line 19 of file MdtSlewCorFuncHardcoded.h.

{ return 0; }

par()

double MuonCalib::CalibFunc::par ( unsigned int  index ) const

inlineinherited

Definition at line 41 of file CalibFunc.h.

                                                    {
            if (index < nPar())
                return m_parameters[index];
            else
                return 0.;
        }

parameters()

const ParVec& MuonCalib::CalibFunc::parameters ( ) const

inlineinherited

Definition at line 40 of file CalibFunc.h.

{ return m_parameters; }

typeName()

virtual std::string MuonCalib::IMdtSlewCorFunc::typeName ( ) const

inlinevirtualinherited

Implements MuonCalib::CalibFunc.

Definition at line 18 of file IMdtSlewCorFunc.h.

{ return "IMdtSlewCorFunc"; }

Member Data Documentation

m_parameters

ParVec MuonCalib::CalibFunc::m_parameters

privateinherited

Definition at line 51 of file CalibFunc.h.

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

• MdtSlewCorFuncHardcoded.h
• MdtSlewCorFuncHardcoded.cxx