LumiCorrector Class Reference

#include <LumiCorrector.h>

Public Member Functions
float	AfterglowFactor (int nBXs)
float	getCoefficient (const std::string &name) const
float	getNormForAlgo (const std::string &algo) const
	LumiCorrector ()
void	setCoefficient (const std::string &name, float value)
void	setNormForAlgo (const std::string &algo, float value)
float	TotalNormET (float TotLumi_noNorm, int nBXs)
float	TotalNormOcc1 (float TotLumi_noNorm, int nBXs)
float	TotalNormOcc2 (float TotLumi_noNorm, int nBXs)
	~LumiCorrector ()

Private Attributes
std::map< int, float >	AfterglowMap_
float	Alpha1_
float	Alpha2_
float	ETNorm_
float	Occ1Norm_
float	Occ2Norm_
float	PUNorm_

Detailed Description

Definition at line 6 of file LumiCorrector.h.

Constructor & Destructor Documentation

LumiCorrector()

LumiCorrector::LumiCorrector

(

)

these are corrections including unit conversion /mb to /ub if unit is already /ub, use e-03

Definition at line 6 of file LumiCorrector.cc.

                             {
  Occ1Norm_ = 6.36e3;  // For 2.76TeV 1.34e3, for HI 2.214e6
  Occ2Norm_ = 7.97e3;
  ETNorm_ = 1.59e3;
  PUNorm_ = 6.37e3;
  Alpha1_ = 0.063;
  Alpha2_ = -0.0037;
  // map doesn't provide any initialization -> do brute force // For HI Afterglow=1.
  AfterglowMap_[213] = 0.992;
  AfterglowMap_[321] = 0.990;
  AfterglowMap_[423] = 0.988;
  AfterglowMap_[597] = 0.985;
  AfterglowMap_[700] = 0.984;
  AfterglowMap_[873] = 0.981;
  AfterglowMap_[1041] = 0.979;
  AfterglowMap_[1179] = 0.977;
  AfterglowMap_[1317] = 0.975;
}

References AfterglowMap_, Alpha1_, Alpha2_, ETNorm_, Occ1Norm_, Occ2Norm_, and PUNorm_.

~LumiCorrector()

LumiCorrector::~LumiCorrector ( )

inline

Definition at line 9 of file LumiCorrector.h.

{}

Member Function Documentation

AfterglowFactor()

float LumiCorrector::AfterglowFactor

(

int

nBXs

)

Definition at line 77 of file LumiCorrector.cc.

                                             {
  float Afterglow = 1.;
  for (std::map<int, float>::iterator it = AfterglowMap_.begin(); it != AfterglowMap_.end(); ++it) {
    if (nBXs >= it->first) {
      Afterglow = it->second;
    }
  }
  return Afterglow;
}

References AfterglowMap_.

Referenced by TotalNormOcc1().

getCoefficient()

float LumiCorrector::getCoefficient

(

const std::string &

name

)

const

Definition at line 68 of file LumiCorrector.cc.

                                                               {
  if (name == "ALPHA1") {
    return Alpha1_;
  }
  if (name == "ALPHA2") {
    return Alpha2_;
  }
  return 0.0;
}

References Alpha1_, Alpha2_, and Skims_PA_cff::name.

getNormForAlgo()

float LumiCorrector::getNormForAlgo

(

const std::string &

algo

)

const

Definition at line 53 of file LumiCorrector.cc.

                                                               {
  if (algo == "OCC1") {
    return Occ1Norm_;
  }
  if (algo == "OCC2") {
    return Occ2Norm_;
  }
  if (algo == "ET") {
    return ETNorm_;
  }
  if (algo == "PU") {
    return PUNorm_;
  }
  return 1.0;
}

References ETNorm_, Occ1Norm_, Occ2Norm_, and PUNorm_.

setCoefficient()

void LumiCorrector::setCoefficient	(	const std::string &	name,
		float	value
	)

Definition at line 43 of file LumiCorrector.cc.

                                                                     {
  if (name == "ALPHA1") {
    Alpha1_ = value;
    return;
  }
  if (name == "ALPHA2") {
    Alpha2_ = value;
    return;
  }
}

References Alpha1_, Alpha2_, Skims_PA_cff::name, and relativeConstraints::value.

setNormForAlgo()

void LumiCorrector::setNormForAlgo	(	const std::string &	algo,
		float	value
	)

Definition at line 25 of file LumiCorrector.cc.

                                                                     {
  if (algo == "OCC1") {
    Occ1Norm_ = value;
    return;
  }
  if (algo == "OCC2") {
    Occ2Norm_ = value;
    return;
  }
  if (algo == "ET") {
    ETNorm_ = value;
    return;
  }
  if (algo == "PU") {
    PUNorm_ = value;
    return;
  }
}

References ETNorm_, Occ1Norm_, Occ2Norm_, PUNorm_, and relativeConstraints::value.

TotalNormET()

float LumiCorrector::TotalNormET	(	float	TotLumi_noNorm,
		int	nBXs
	)

Definition at line 92 of file LumiCorrector.cc.

{ return ETNorm_; }

References ETNorm_.

TotalNormOcc1()

float LumiCorrector::TotalNormOcc1	(	float	TotLumi_noNorm,
		int	nBXs
	)

Definition at line 87 of file LumiCorrector.cc.

                                                                 {
  float AvgLumi = (nBXs > 0) ? PUNorm_ * TotLumi_noNorm / nBXs : 0.;
  return Occ1Norm_ * AfterglowFactor(nBXs) / (1 + Alpha1_ * AvgLumi + Alpha2_ * AvgLumi * AvgLumi);
}

References AfterglowFactor(), Alpha1_, Alpha2_, Occ1Norm_, and PUNorm_.

TotalNormOcc2()

float LumiCorrector::TotalNormOcc2	(	float	TotLumi_noNorm,
		int	nBXs
	)

Definition at line 91 of file LumiCorrector.cc.

{ return Occ2Norm_; }

References Occ2Norm_.

Member Data Documentation

AfterglowMap_

std::map<int, float> LumiCorrector::AfterglowMap_

private

Definition at line 26 of file LumiCorrector.h.

Referenced by AfterglowFactor(), and LumiCorrector().

Alpha1_

float LumiCorrector::Alpha1_

private

Definition at line 24 of file LumiCorrector.h.

Referenced by getCoefficient(), LumiCorrector(), setCoefficient(), and TotalNormOcc1().

Alpha2_

float LumiCorrector::Alpha2_

private

Definition at line 25 of file LumiCorrector.h.

Referenced by getCoefficient(), LumiCorrector(), setCoefficient(), and TotalNormOcc1().

ETNorm_

float LumiCorrector::ETNorm_

private

Definition at line 22 of file LumiCorrector.h.

Referenced by getNormForAlgo(), LumiCorrector(), setNormForAlgo(), and TotalNormET().

Occ1Norm_

float LumiCorrector::Occ1Norm_

private

Definition at line 20 of file LumiCorrector.h.

Referenced by getNormForAlgo(), LumiCorrector(), setNormForAlgo(), and TotalNormOcc1().

Occ2Norm_

float LumiCorrector::Occ2Norm_

private

Definition at line 21 of file LumiCorrector.h.

Referenced by getNormForAlgo(), LumiCorrector(), setNormForAlgo(), and TotalNormOcc2().

PUNorm_

float LumiCorrector::PUNorm_

private

Definition at line 23 of file LumiCorrector.h.

Referenced by getNormForAlgo(), LumiCorrector(), setNormForAlgo(), and TotalNormOcc1().