Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

add comments and clarity #11

Merged
merged 2 commits into from
Nov 5, 2019
Merged

add comments and clarity #11

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0d59f9a
Merged HGC_ageing_SampleBits_forProd_CMSSW_11_0_0_pre11 from reposito…
Nov 5, 2019
8ec8dba
comments
Nov 5, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions SimCalorimetry/HGCalSimAlgos/interface/HGCalSiNoiseMap.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@

/**
@class HGCalSiNoiseMap
@short derives from HGCalRadiation map to parse fluence parameters, provides Si-specific functions
@short derives from HGCalRadiation map to parse fluence parameters, provides Si-specific functions; see DN-19-045
*/
class HGCalSiNoiseMap : public HGCalRadiationMap {
public:
Expand Down Expand Up @@ -64,10 +64,10 @@ class HGCalSiNoiseMap : public HGCalRadiationMap {
std::vector<double> &getIleakParam() { return ileakParam_; }
std::vector<std::vector<double> > &getENCsParam() { return encsParam_; }
std::vector<double> &getLSBPerGain() { return lsbPerGain_; }
std::vector<double> &getMaxADCPerGain() { return maxADCPerGain_; }
std::vector<double> &getMaxADCPerGain() { return chargeAtFullScaleADCPerGain_; }

private:
//
//vector of three params, per sensor type: 0:120 [mum], 1:200, 2:300
std::vector<double> mipEqfC_, cellCapacitance_, cellVolume_;
std::vector<std::vector<double> > cceParam_;

Expand All @@ -87,10 +87,10 @@ class HGCalSiNoiseMap : public HGCalRadiationMap {
std::vector<std::vector<double> > encsParam_;

//lsb
std::vector<double> lsbPerGain_, maxADCPerGain_;
std::vector<double> lsbPerGain_, chargeAtFullScaleADCPerGain_;

//conversions
const double unitToMicro_ = 1e6;
const double unitToMicro_ = 1.e6;

//flags used to disable specific components of the Si operation parameters
bool ignoreFluence_, ignoreCCE_, ignoreNoise_;
Expand Down
28 changes: 16 additions & 12 deletions SimCalorimetry/HGCalSimAlgos/src/HGCalSiNoiseMap.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,33 +9,34 @@ HGCalSiNoiseMap::HGCalSiNoiseMap() :
ignoreCCE_(false),
ignoreNoise_(false)
{
encsParam_.push_back({636., 15.6, 0.0328}); // q80fC
maxADCPerGain_.push_back(80.); // the num of fC (charge) which corresponds to the max ADC value
encsParam_.push_back({636., 15.6, 0.0328}); // q80fC: II order polynomial coefficients
chargeAtFullScaleADCPerGain_.push_back(80.); // the num of fC (charge) which corresponds to the max ADC value
encsParam_.push_back({1045., 8.74, 0.0685}); // q160fC
maxADCPerGain_.push_back(160.);
chargeAtFullScaleADCPerGain_.push_back(160.);
encsParam_.push_back({1915., 2.79, 0.0878}); // q320fC
maxADCPerGain_.push_back(320.);

for (auto i : maxADCPerGain_)
chargeAtFullScaleADCPerGain_.push_back(320.);

// adc has 10 bits -> 1024 counts at max ( >0 baseline to be handled)
for (auto i : chargeAtFullScaleADCPerGain_)
lsbPerGain_.push_back(i / 1024.);

//fine
//fine sensors: 120 mum - 67: MPV of charge[number of e-]/mum for a mip in silicon; srouce PDG
const double mipEqfC_120 = 120. * 67. * qe2fc_;
mipEqfC_.push_back(mipEqfC_120);
const double cellCapacitance_120 = 50;
cellCapacitance_.push_back(cellCapacitance_120);
const double cellVolume_120 = 0.52 * (120.e-4);
cellVolume_.push_back(cellVolume_120);

//thin
//thin sensors: 200 mum
const double mipEqfC_200 = 200. * 70. * qe2fc_;
mipEqfC_.push_back(mipEqfC_200);
const double cellCapacitance_200 = 65;
cellCapacitance_.push_back(cellCapacitance_200);
const double cellVolume_200 = 1.18 * (200.e-4);
cellVolume_.push_back(cellVolume_200);

//thick
//thick sensors: 300 mum
const double mipEqfC_300 = 300. * 73. * qe2fc_;
mipEqfC_.push_back(mipEqfC_300);
const double cellCapacitance_300 = 45;
Expand Down Expand Up @@ -65,7 +66,7 @@ HGCalSiNoiseMap::SiCellOpCharacteristics HGCalSiNoiseMap::getSiCellOpCharacteris
SiCellOpCharacteristics siop;

//decode cell properties
int layer(cellId.layer());
int layer(cellId.layer());
unsigned int cellThick = cellId.type();
double cellCap(cellCapacitance_[cellThick]);
double cellVol(cellVolume_[cellThick]);
Expand All @@ -87,7 +88,7 @@ HGCalSiNoiseMap::SiCellOpCharacteristics HGCalSiNoiseMap::getSiCellOpCharacteris
cellId.layer(), cellId.waferU(), cellId.waferV(), cellId.cellU(), cellId.cellV(), true, true));
double radius2 = std::pow(xy.first, 2) + std::pow(xy.second, 2); //in cm

double radius = sqrt(radius2);
double radius = sqrt(radius2);
double radius3 = radius * radius2;
double radius4 = pow(radius2, 2);
radiiVec radii{{radius, radius2, radius3, radius4, 0., 0., 0., 0.}};
Expand All @@ -100,6 +101,7 @@ HGCalSiNoiseMap::SiCellOpCharacteristics HGCalSiNoiseMap::getSiCellOpCharacteris
}
else{
//lin+log parametrization
//cceParam_ are parameters as defined in equation (2) of DN-19-045
siop.cce = siop.fluence <= cceParam_[cellThick][0] ? 1. + cceParam_[cellThick][1] * siop.fluence
: (1. - cceParam_[cellThick][2] * siop.lnfluence) +
(cceParam_[cellThick][1] * cceParam_[cellThick][0] +
Expand Down Expand Up @@ -134,7 +136,9 @@ HGCalSiNoiseMap::SiCellOpCharacteristics HGCalSiNoiseMap::getSiCellOpCharacteris
if(ignoreNoise_) {
siop.noise=0.0;
}else {
double enc_s(encsParam_[gain][0] + encsParam_[gain][1] * cellCap + encsParam_[gain][2] * pow(cellCap, 2));
double enc_s(encsParam_[gain][0] +
encsParam_[gain][1] * cellCap +
encsParam_[gain][2] * pow(cellCap, 2));
double enc_p(encpScale_ * sqrt(siop.ileak));
siop.noise = hypot(enc_p, enc_s* encCommonNoiseSub_ ) * qe2fc_;
}
Expand Down