JCALIBRATE::JFitK40_t< TF1 > Struct Template Reference

Template specialisation of two-fold coincidence rate due to K40 and other radioactive decays. More...

#include <JFitK40.hh>

Inheritance diagram for JCALIBRATE::JFitK40_t< TF1 >:

Public Member Functions
	JFitK40_t (const JFitK40_t< TF2 > &f2)
	Constructor. More...
TFitResultPtr	operator() (TH1 &h1, const std::string &option)
	Fit 1D-histogram. More...

Static Public Member Functions
static Double_t	getTimeOffset (const Double_t *x, const Double_t *data)
	Get time offset as a function of the fit parameters. More...

Detailed Description

template<>
struct JCALIBRATE::JFitK40_t< TF1 >

Template specialisation of two-fold coincidence rate due to K40 and other radioactive decays.

Note that for use in ROOT fit operations, the member method JFitK40_t::getTimeOffset is static.

Definition at line 715 of file JFitK40.hh.

Constructor & Destructor Documentation

JCALIBRATE::JFitK40_t< TF1 >::JFitK40_t ( const JFitK40_t< TF2 > &  f2 )

inline

Constructor.

Parameters

f2	2D-fit function

Definition at line 724 of file JFitK40.hh.

                                        :
      JFitK40_t<>(f2),
      TF1("f1",
          JFitK40_t<TF1>::getTimeOffset,
          f2.GetXmin(), f2.GetXmax(),
          getNumberOfModelParameters())
    {
      this->SetParameters(f2.GetParameters());

      for (size_t i = 0; i != JFitK40_t<>::getNumberOfModelParameters() - NUMBER_OF_PMTS * sizeof(JPMTParameters_t) / sizeof(Double_t); ++i) {
        fixParameter(*this, JFitParameter_t(i, this->getModelParameter(i)));
      }

      for (int pmt = 0; pmt != NUMBER_OF_PMTS; ++pmt) {

        fixParameter(*this, this->getModelParameter(pmt, &JPMTParameters_t::QE));
        fixParameter(*this, this->getModelParameter(pmt, &JPMTParameters_t::TTS));

        if (isParameterFixed(f2, f2.getModelParameter(pmt, &JPMTParameters_t::t0)))  {
          fixParameter(*this, f2.getModelParameter(pmt, &JPMTParameters_t::t0));
        }
      }
    }

Member Function Documentation

static Double_t JCALIBRATE::JFitK40_t< TF1 >::getTimeOffset ( const Double_t *  x, const Double_t *  data  )

inlinestatic

Get time offset as a function of the fit parameters.

Parameters

x	pointer to data
data	pointer to parameter values

Returns

time offset [ns]

Definition at line 756 of file JFitK40.hh.

    {
      const int ix = (int) x[0];

      getInstance().setModelParameters(data);

      const pair_type& pair = getInstance().getPair(ix);

      return getInstance().getTimeOffset(pair);
    }

TFitResultPtr JCALIBRATE::JFitK40_t< TF1 >::operator() ( TH1 &  h1, const std::string &  option  )

inline

Fit 1D-histogram.

Parameters

h1	ROOT histogram
option	fit option

Definition at line 774 of file JFitK40.hh.

    {
      for (int pmt = 0; pmt != NUMBER_OF_PMTS; ++pmt) {

        if (disable[pmt]) {
          fixParameter(*this, this->getModelParameter(pmt, &JPMTParameters_t::t0));
        }
      }

      if (index_of_average_t0 != -1) {

        this->setT0(index_of_average_t0, 0.0);

        fixParameter(*this, this->getModelParameter(index_of_average_t0, &JPMTParameters_t::t0));
      }

      this->SetParameters(this->getModelParameters());

      getInstance() = *this;

      const TFitResultPtr result = h1.Fit(this, option.c_str());

      this->setModelParameters(this->GetParameters());

      return result;
    }

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The documentation for this struct was generated from the following file:

• JFitK40.hh