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HcalPulseShapes.cc
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HcalPulseShapes.cc
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#include "CalibCalorimetry/HcalAlgos/interface/HcalPulseShapes.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "CLHEP/Random/RandFlat.h"
#include "CalibFormats/HcalObjects/interface/HcalDbRecord.h"
// #include "CalibCalorimetry/HcalAlgos/interface/HcalDbASCIIIO.h"
#include <cmath>
#include <iostream>
#include <fstream>
#include "TMath.h"
HcalPulseShapes::HcalPulseShapes() : theDbService(nullptr), theShapes() {
/*
Reco MC
-------------------------------------------------------------------------------------------
000 not used (reserved)
101 101 hpdShape_ HPD (original version)
102 102 =101 HPD BV 30 volts in HBP iphi54
103 123 hpdShape_v2,hpdShapeMC_v2 HPD (2011. oct version)
104 124 hpdBV30Shape_v2,hpdBV30ShapeMC_v2 HPD bv30 in HBP iph54
105 125 hpdShape_v2,hpdShapeMC_v2 HPD (2011.11.12 version)
201 201 siPMShapeHO_ SiPMs Zecotec shape (HO)
202 202 =201, SiPMs Hamamatsu shape (HO)
205 203 siPMShapeData2017_,siPMShapeMC2017_ SiPMs from Data, Hamamatsu shape (HE 2017)
207 206 siPMShapeData2018_,siPMShapeMC2018_ SiPMs from Data, Hamamatsu shape (HE 2018)
207 208 siPMShapeData2018_,siPMShapeMCRecoRun3_ SiPMs from Data, 2021 MC phase scan
301 301 hfShape_ regular HF PMT shape
401 401 regular ZDC shape
-------------------------------------------------------------------------------------------
*/
float ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3;
// HPD Shape Version 1 (used before CMSSW5, until Oct 2011)
ts1 = 8.;
ts2 = 10.;
ts3 = 29.3;
thpd = 4.0;
tpre = 9.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdShape_);
theShapes[101] = &hpdShape_;
theShapes[102] = theShapes[101];
// HPD Shape Version 2 for CMSSW 5. Nov 2011 (RECO and MC separately)
ts1 = 8.;
ts2 = 10.;
ts3 = 25.0;
thpd = 4.0;
tpre = 9.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdShape_v2);
theShapes[103] = &hpdShape_v2;
ts1 = 8.;
ts2 = 10.;
ts3 = 29.3;
thpd = 4.0;
tpre = 7.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdShapeMC_v2);
theShapes[123] = &hpdShapeMC_v2;
// HPD Shape Version 3 for CMSSW 5. Nov 2011 (RECO and MC separately)
ts1 = 8.;
ts2 = 19.;
ts3 = 29.3;
thpd = 4.0;
tpre = 9.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 0.32;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdShape_v3);
theShapes[105] = &hpdShape_v3;
ts1 = 8.;
ts2 = 10.;
ts3 = 22.3;
thpd = 4.0;
tpre = 7.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdShapeMC_v3);
theShapes[125] = &hpdShapeMC_v3;
// HPD with Bias Voltage 30 volts, wider pulse. (HBPlus iphi54)
ts1 = 8.;
ts2 = 12.;
ts3 = 31.7;
thpd = 9.0;
tpre = 9.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdBV30Shape_v2);
theShapes[104] = &hpdBV30Shape_v2;
ts1 = 8.;
ts2 = 12.;
ts3 = 31.7;
thpd = 9.0;
tpre = 9.0;
wd1 = 2.0;
wd2 = 0.7;
wd3 = 1.0;
computeHPDShape(ts1, ts2, ts3, thpd, tpre, wd1, wd2, wd3, hpdBV30ShapeMC_v2);
theShapes[124] = &hpdBV30ShapeMC_v2;
// HF and SiPM
computeHFShape();
computeSiPMShapeHO();
computeSiPMShapeData2017();
computeSiPMShapeData2018();
computeSiPMShapeMCRecoRun3();
theShapes[201] = &siPMShapeHO_;
theShapes[202] = theShapes[201];
theShapes[203] = &(computeSiPMShapeHE203());
theShapes[205] = &siPMShapeData2017_;
theShapes[206] = &(computeSiPMShapeHE206());
theShapes[207] = &siPMShapeData2018_;
theShapes[208] = &siPMShapeMCRecoRun3_;
theShapes[301] = &hfShape_;
//theShapes[401] = new CaloCachedShapeIntegrator(&theZDCShape);
}
HcalPulseShapes::~HcalPulseShapes() {}
void HcalPulseShapes::beginRun(edm::EventSetup const& es) {
edm::ESHandle<HcalDbService> conditions;
es.get<HcalDbRecord>().get(conditions);
theDbService = conditions.product();
}
void HcalPulseShapes::beginRun(const HcalDbService* conditions) { theDbService = conditions; }
//void HcalPulseShapes::computeHPDShape()
void HcalPulseShapes::computeHPDShape(
float ts1, float ts2, float ts3, float thpd, float tpre, float wd1, float wd2, float wd3, Shape& tmphpdShape_) {
// pulse shape time constants in ns
/*
const float ts1 = 8.; // scintillation time constants : 1,2,3
const float ts2 = 10.;
const float ts3 = 29.3;
const float thpd = 4.; // HPD current collection drift time
const float tpre = 9.; // preamp time constant (refit on TB04 data)
const float wd1 = 2.; // relative weights of decay exponents
const float wd2 = 0.7;
const float wd3 = 1.;
*/
// pulse shape components over a range of time 0 ns to 255 ns in 1 ns steps
unsigned int nbin = 256;
tmphpdShape_.setNBin(nbin);
std::vector<float> ntmp(nbin, 0.0); // zeroing output pulse shape
std::vector<float> nth(nbin, 0.0); // zeroing HPD drift shape
std::vector<float> ntp(nbin, 0.0); // zeroing Binkley preamp shape
std::vector<float> ntd(nbin, 0.0); // zeroing Scintillator decay shape
unsigned int i, j, k;
float norm;
// HPD starts at I and rises to 2I in thpd of time
norm = 0.0;
for (j = 0; j < thpd && j < nbin; j++) {
nth[j] = 1.0 + ((float)j) / thpd;
norm += nth[j];
}
// normalize integrated current to 1.0
for (j = 0; j < thpd && j < nbin; j++) {
nth[j] /= norm;
}
// Binkley shape over 6 time constants
norm = 0.0;
for (j = 0; j < 6 * tpre && j < nbin; j++) {
ntp[j] = ((float)j) * exp(-((float)(j * j)) / (tpre * tpre));
norm += ntp[j];
}
// normalize pulse area to 1.0
for (j = 0; j < 6 * tpre && j < nbin; j++) {
ntp[j] /= norm;
}
// ignore stochastic variation of photoelectron emission
// <...>
// effective tile plus wave-length shifter decay time over 4 time constants
unsigned int tmax = 6 * (int)ts3;
norm = 0.0;
for (j = 0; j < tmax && j < nbin; j++) {
ntd[j] = wd1 * exp(-((float)j) / ts1) + wd2 * exp(-((float)j) / ts2) + wd3 * exp(-((float)j) / ts3);
norm += ntd[j];
}
// normalize pulse area to 1.0
for (j = 0; j < tmax && j < nbin; j++) {
ntd[j] /= norm;
}
unsigned int t1, t2, t3, t4;
for (i = 0; i < tmax && i < nbin; i++) {
t1 = i;
// t2 = t1 + top*rand;
// ignoring jitter from optical path length
t2 = t1;
for (j = 0; j < thpd && j < nbin; j++) {
t3 = t2 + j;
for (k = 0; k < 4 * tpre && k < nbin; k++) { // here "4" is set deliberately,
t4 = t3 + k; // as in test fortran toy MC ...
if (t4 < nbin) {
unsigned int ntb = t4;
ntmp[ntb] += ntd[i] * nth[j] * ntp[k];
}
}
}
}
// normalize for 1 GeV pulse height
norm = 0.;
for (i = 0; i < nbin; i++) {
norm += ntmp[i];
}
for (i = 0; i < nbin; i++) {
ntmp[i] /= norm;
}
for (i = 0; i < nbin; i++) {
tmphpdShape_.setShapeBin(i, ntmp[i]);
}
}
void HcalPulseShapes::computeHFShape() {
// first create pulse shape over a range of time 0 ns to 255 ns in 1 ns steps
unsigned int nbin = 256;
hfShape_.setNBin(nbin);
std::vector<float> ntmp(nbin, 0.0); //
const float k0 = 0.7956; // shape parameters
const float p2 = 1.355;
const float p4 = 2.327;
const float p1 = 4.3; // position parameter
float norm = 0.0;
for (unsigned int j = 0; j < 25 && j < nbin; ++j) {
float r0 = j - p1;
float sigma0 = (r0 < 0) ? p2 : p2 * p4;
r0 /= sigma0;
if (r0 < k0)
ntmp[j] = exp(-0.5 * r0 * r0);
else
ntmp[j] = exp(0.5 * k0 * k0 - k0 * r0);
norm += ntmp[j];
}
// normalize pulse area to 1.0
for (unsigned int j = 0; j < 25 && j < nbin; ++j) {
ntmp[j] /= norm;
hfShape_.setShapeBin(j, ntmp[j]);
}
}
void HcalPulseShapes::computeSiPMShapeMCRecoRun3() {
//modified shape 206
//7.2 ns shift in 206
unsigned int nbin = 250;
std::array<float, 250> nt{
{0, 0, 0, 0, 0, 0, 0, 0.000117468,
0.0031549, 0.0117368, 0.0219974, 0.0305776, 0.0365429, 0.0400524, 0.0415915, 0.0416765,
0.0408111, 0.0394627, 0.0379353, 0.0363688, 0.0348152, 0.0332891, 0.0317923, 0.0303237,
0.028883, 0.0274714, 0.0260914, 0.0247462, 0.0234392, 0.0221738, 0.0209531, 0.0197793,
0.0186544, 0.0175796, 0.0165556, 0.0155823, 0.0146596, 0.0137866, 0.0129623, 0.0121853,
0.0114539, 0.0107665, 0.0101213, 0.0095162, 0.00894934, 0.00841873, 0.0079224, 0.00745841,
0.00702487, 0.00661995, 0.00624189, 0.00588898, 0.00555961, 0.00525223, 0.00496539, 0.0046977,
0.00444786, 0.00421464, 0.00399689, 0.00379353, 0.00360355, 0.00342602, 0.00326004, 0.0031048,
0.00295954, 0.00282355, 0.00269616, 0.00257676, 0.00246479, 0.00235972, 0.00226106, 0.00216834,
0.00208117, 0.00199914, 0.00192189, 0.0018491, 0.00178044, 0.00171565, 0.00165445, 0.00159659,
0.00154186, 0.00149003, 0.00144092, 0.00139435, 0.00135015, 0.00130816, 0.00126825, 0.00123027,
0.00119412, 0.00115966, 0.0011268, 0.00109544, 0.00106548, 0.00103685, 0.00100946, 0.000983242,
0.000958125, 0.000934047, 0.000910949, 0.000888775, 0.000867475, 0.000847, 0.000827306, 0.000808352,
0.000790097, 0.000772506, 0.000755545, 0.000739182, 0.000723387, 0.000708132, 0.00069339, 0.000679138,
0.000665352, 0.00065201, 0.000639091, 0.000626577, 0.00061445, 0.000602692, 0.000591287, 0.00058022,
0.000569477, 0.000559044, 0.000548908, 0.000539058, 0.000529481, 0.000520167, 0.000511106, 0.000502288,
0.000493704, 0.000485344, 0.000477201, 0.000469266, 0.000459912, 0.000448544, 0.000437961, 0.000428079,
0.000418825, 0.000410133, 0.000401945, 0.00039421, 0.000386883, 0.000379924, 0.000373298, 0.000366973,
0.000360922, 0.00035512, 0.000349545, 0.000344179, 0.000339003, 0.000334002, 0.000329163, 0.000324475,
0.000319925, 0.000315504, 0.000311204, 0.000307017, 0.000302935, 0.000298954, 0.000295066, 0.000291267,
0.000287553, 0.000283919, 0.000280361, 0.000276877, 0.000273462, 0.000270114, 0.000266831, 0.000263609,
0.000260447, 0.000257343, 0.000254295, 0.0002513, 0.000248358, 0.000245467, 0.000242625, 0.000239831,
0.000237083, 0.000234381, 0.000231723, 0.000229109, 0.000226536, 0.000224005, 0.000221514, 0.000219062,
0.000216648, 0.000214272, 0.000211933, 0.00020963, 0.000207362, 0.000205129, 0.000202929, 0.000200763,
0.000198629, 0.000196526, 0.000194455, 0.000192415, 0.000190405, 0.000188424, 0.000186472, 0.000184548,
0.000182653, 0.000180784, 0.000178943, 0.000177127, 0.000175338, 0.000173574, 0.000171835, 0.00017012,
0.000168429, 0.000166762, 0.000165119, 0.000163498, 0.000161899, 0.000160322, 0.000158767, 0.000157233,
0.000155721, 0.000154228, 0.000152756, 0.000151304, 0.000149871, 0.000148457, 0.000147062, 0.000145686,
0.000144327, 0.000142987, 0.000141664, 0.000140359, 0.000139071, 0.000137799, 0.000136544, 0.000135305,
0.000134082, 0.000132874, 0.000131682, 0.000130505, 0.000129344, 0.000128196, 0.000127064, 0.000125945,
0.00012484, 0.00012375, 0.000122672, 0.000121608, 0.000120558, 0.00011952, 0.000118495, 0.000117482,
0.000116482, 0.000115493}};
siPMShapeMCRecoRun3_.setNBin(nbin);
double norm = 0.;
for (unsigned int j = 0; j < nbin; ++j) {
norm += (nt[j] > 0) ? nt[j] : 0.;
}
for (unsigned int j = 0; j < nbin; ++j) {
nt[j] /= norm;
siPMShapeMCRecoRun3_.setShapeBin(j, nt[j]);
}
}
void HcalPulseShapes::computeSiPMShapeData2018() {
//Combination of all phase scan data (May,Jul,Oct2017)
//runs: 294736-294740, 294929-294950, 298594-298598 and 305744-305758
unsigned int nbin = 250;
std::array<float, 250> nt{
{5.22174e-12, 7.04852e-10, 3.49584e-08, 7.78029e-07, 9.11847e-06, 6.39666e-05, 0.000297587, 0.000996661,
0.00256618, 0.00535396, 0.00944073, 0.0145521, 0.020145, 0.0255936, 0.0303632, 0.0341078,
0.0366849, 0.0381183, 0.0385392, 0.0381327, 0.0370956, 0.0356113, 0.0338366, 0.0318978,
0.029891, 0.0278866, 0.0259336, 0.0240643, 0.0222981, 0.0206453, 0.0191097, 0.0176902,
0.0163832, 0.0151829, 0.0140826, 0.0130752, 0.0121533, 0.01131, 0.0105382, 0.00983178,
0.00918467, 0.00859143, 0.00804709, 0.0075471, 0.00708733, 0.00666406, 0.00627393, 0.00591389,
0.00558122, 0.00527344, 0.00498834, 0.00472392, 0.00447837, 0.00425007, 0.00403754, 0.00383947,
0.00365465, 0.00348199, 0.00332052, 0.00316934, 0.00302764, 0.0028947, 0.00276983, 0.00265242,
0.00254193, 0.00243785, 0.00233971, 0.00224709, 0.0021596, 0.00207687, 0.0019986, 0.00192447,
0.00185421, 0.00178756, 0.0017243, 0.00166419, 0.00160705, 0.00155268, 0.00150093, 0.00145162,
0.00140461, 0.00135976, 0.00131696, 0.00127607, 0.00123699, 0.00119962, 0.00116386, 0.00112963,
0.00109683, 0.0010654, 0.00103526, 0.00100634, 0.000978578, 0.000951917, 0.000926299, 0.000901672,
0.000877987, 0.000855198, 0.00083326, 0.000812133, 0.000791778, 0.000772159, 0.000753242, 0.000734994,
0.000717384, 0.000700385, 0.000683967, 0.000668107, 0.000652779, 0.00063796, 0.000623629, 0.000609764,
0.000596346, 0.000583356, 0.000570777, 0.000558592, 0.000546785, 0.00053534, 0.000524243, 0.000513481,
0.00050304, 0.000492907, 0.000483072, 0.000473523, 0.000464248, 0.000455238, 0.000446483, 0.000437974,
0.0004297, 0.000421655, 0.00041383, 0.000406216, 0.000398807, 0.000391595, 0.000384574, 0.000377736,
0.000371076, 0.000364588, 0.000358266, 0.000352104, 0.000346097, 0.00034024, 0.000334528, 0.000328956,
0.00032352, 0.000318216, 0.000313039, 0.000307986, 0.000303052, 0.000298234, 0.000293528, 0.000288931,
0.000284439, 0.00028005, 0.000275761, 0.000271567, 0.000267468, 0.000263459, 0.000259538, 0.000255703,
0.000251951, 0.00024828, 0.000244688, 0.000241172, 0.00023773, 0.000234361, 0.000231061, 0.00022783,
0.000224666, 0.000221566, 0.000218528, 0.000215553, 0.000212636, 0.000209778, 0.000206977, 0.00020423,
0.000201537, 0.000198896, 0.000196307, 0.000193767, 0.000191275, 0.000188831, 0.000186432, 0.000184079,
0.000181769, 0.000179502, 0.000177277, 0.000175092, 0.000172947, 0.000170841, 0.000168772, 0.000166741,
0.000164745, 0.000162785, 0.000160859, 0.000158967, 0.000157108, 0.00015528, 0.000153484, 0.000151719,
0.000149984, 0.000148278, 0.000146601, 0.000144951, 0.000143329, 0.000141734, 0.000140165, 0.000138622,
0.000137104, 0.00013561, 0.000134141, 0.000132695, 0.000131272, 0.000129871, 0.000128493, 0.000127136,
0.000125801, 0.000124486, 0.000123191, 0.000121917, 0.000120662, 0.000119426, 0.000118209, 0.00011701,
0.000115829, 0.000114665, 0.000113519, 0.00011239, 0.000111278, 0.000110182, 0.000109102, 0.000108037,
0.000106988, 0.000105954, 0.000104935, 0.00010393, 0.000102939, 0.000101963, 0.000101, 0.000100051,
9.91146e-05, 9.81915e-05, 9.7281e-05, 9.63831e-05, 9.54975e-05, 9.46239e-05, 9.37621e-05, 9.2912e-05,
9.20733e-05, 9.12458e-05}};
siPMShapeData2018_.setNBin(nbin);
double norm = 0.;
for (unsigned int j = 0; j < nbin; ++j) {
norm += (nt[j] > 0) ? nt[j] : 0.;
}
for (unsigned int j = 0; j < nbin; ++j) {
nt[j] /= norm;
siPMShapeData2018_.setShapeBin(j, nt[j]);
}
}
void HcalPulseShapes::computeSiPMShapeData2017() {
//From Jay Lawhorn: derived from data Edward Laird phase scan may2017
//https://indico.cern.ch/event/641978/contributions/2604491/attachments/1468666/2271582/17-05-31-hcal-hep17-pulse-shape.pdf
//Run numbers are 294736-294740 and 294929-294950
unsigned int nbin = 250;
std::array<float, 250> nt{
{3.97958e-29, 1.11634e-22, 9.96106e-18, 6.25334e-14, 5.08863e-11, 8.59141e-09, 4.32285e-07, 8.56617e-06,
8.28549e-05, 0.000461447, 0.00168052, 0.00441395, 0.00901637, 0.0151806, 0.0220314, 0.028528,
0.0338471, 0.0375578, 0.0395985, 0.0401567, 0.0395398, 0.0380776, 0.0360669, 0.0337474,
0.0312984, 0.0288457, 0.0264721, 0.0242276, 0.0221393, 0.0202181, 0.0184647, 0.0168731,
0.0154335, 0.0141346, 0.0129639, 0.0119094, 0.0109594, 0.0101031, 0.0093305, 0.00863267,
0.0080015, 0.00742977, 0.00691107, 0.00643969, 0.00601059, 0.00561931, 0.00526188, 0.00493483,
0.00463505, 0.00435981, 0.00410667, 0.00387348, 0.00365832, 0.00345949, 0.00327547, 0.0031049,
0.00294656, 0.00279938, 0.00266237, 0.00253467, 0.00241548, 0.0023041, 0.00219989, 0.00210227,
0.00201072, 0.00192476, 0.00184397, 0.00176795, 0.00169634, 0.00162884, 0.00156512, 0.00150494,
0.00144803, 0.00139418, 0.00134317, 0.00129481, 0.00124894, 0.00120537, 0.00116398, 0.00112461,
0.00108715, 0.00105147, 0.00101747, 0.000985042, 0.000954096, 0.000924545, 0.000896308, 0.000869311,
0.000843482, 0.000818758, 0.000795077, 0.000772383, 0.000750623, 0.000729747, 0.00070971, 0.000690466,
0.000671977, 0.000654204, 0.00063711, 0.000620663, 0.000604831, 0.000589584, 0.000574894, 0.000560735,
0.000547081, 0.00053391, 0.0005212, 0.000508929, 0.000497078, 0.000485628, 0.000474561, 0.000463862,
0.000453514, 0.000443501, 0.000433811, 0.000424429, 0.000415343, 0.00040654, 0.00039801, 0.000389741,
0.000381722, 0.000373944, 0.000366398, 0.000359074, 0.000351964, 0.00034506, 0.000338353, 0.000331838,
0.000325505, 0.00031935, 0.000313365, 0.000307544, 0.000301881, 0.000296371, 0.000291009, 0.000285788,
0.000280705, 0.000275755, 0.000270932, 0.000266233, 0.000261653, 0.00025719, 0.000252837, 0.000248593,
0.000244454, 0.000240416, 0.000236475, 0.00023263, 0.000228876, 0.000225212, 0.000221633, 0.000218138,
0.000214724, 0.000211389, 0.00020813, 0.000204945, 0.000201831, 0.000198787, 0.000195811, 0.0001929,
0.000190053, 0.000187268, 0.000184543, 0.000181876, 0.000179266, 0.000176711, 0.00017421, 0.000171761,
0.000169363, 0.000167014, 0.000164713, 0.000162459, 0.00016025, 0.000158086, 0.000155964, 0.000153885,
0.000151847, 0.000149848, 0.000147888, 0.000145966, 0.000144081, 0.000142232, 0.000140418, 0.000138638,
0.000136891, 0.000135177, 0.000133494, 0.000131843, 0.000130221, 0.00012863, 0.000127066, 0.000125531,
0.000124023, 0.000122543, 0.000121088, 0.000119658, 0.000118254, 0.000116874, 0.000115518, 0.000114185,
0.000112875, 0.000111587, 0.000110321, 0.000109076, 0.000107851, 0.000106648, 0.000105464, 0.000104299,
0.000103154, 0.000102027, 0.000100918, 9.98271e-05, 9.87537e-05, 9.76974e-05, 9.66578e-05, 9.56346e-05,
9.46274e-05, 9.3636e-05, 9.26599e-05, 9.16989e-05, 9.07526e-05, 8.98208e-05, 8.89032e-05, 8.79995e-05,
8.71093e-05, 8.62325e-05, 8.53688e-05, 8.45179e-05, 8.36796e-05, 8.28536e-05, 8.20397e-05, 8.12376e-05,
8.04471e-05, 7.96681e-05, 7.89002e-05, 7.81433e-05, 7.73972e-05, 7.66616e-05, 7.59364e-05, 7.52213e-05,
7.45163e-05, 7.3821e-05, 7.31354e-05, 7.24592e-05, 7.17923e-05, 7.11345e-05, 7.04856e-05, 6.98455e-05,
6.9214e-05, 6.8591e-05}};
siPMShapeData2017_.setNBin(nbin);
double norm = 0.;
for (unsigned int j = 0; j < nbin; ++j) {
norm += (nt[j] > 0) ? nt[j] : 0.;
}
for (unsigned int j = 0; j < nbin; ++j) {
nt[j] /= norm;
siPMShapeData2017_.setShapeBin(j, nt[j]);
}
}
void HcalPulseShapes::computeSiPMShapeHO() {
unsigned int nbin = 128;
//From Jake Anderson: toy MC convolution of SiPM pulse + WLS fiber shape + SiPM nonlinear response
std::array<float, 128> nt{
{2.782980485851731e-6, 4.518134885954626e-5, 2.7689305197392056e-4, 9.18328418900969e-4,
.002110072599166349, .003867856860331454, .006120046224897771, .008754774090536956,
0.0116469503358586, .01467007449455966, .01770489955229477, .02064621450689512,
.02340678093764222, .02591874610854916, .02813325527435303, 0.0300189241965647,
.03155968107671164, .03275234052577155, .03360415306318798, .03413048377960748,
.03435270899678218, .03429637464659661, .03398962975487166, .03346192884394954,
.03274298516247742, .03186195009136525, .03084679116113031, 0.0297238406141036,
.02851748748929785, .02724998816332392, .02594137274487424, .02460942736731527,
.02326973510736116, .02193576080366117, 0.0206189674254987, .01932895378564653,
0.0180736052958666, .01685925112650875, 0.0156908225633535, .01457200857138456,
.01350540559602467, .01249265947824805, .01153459805300423, .01063135355597282,
.009782474412011936, .008987026319784546, 0.00824368281357106, .007550805679909604,
.006906515742762193, .006308754629755056, .005755338185695127, .005244002229973356,
.004772441359900532, .004338341490928299, .003939406800854143, 0.00357338171220501,
0.0032380685079891, .002931341133259233, .002651155690306086, .002395558090237333,
.002162689279320922, .001950788415487319, .001758194329648101, .001583345567913682,
.001424779275191974, .001281129147671334, 0.00115112265163774, .001033577678808199,
9.273987838127585e-4, 8.315731274976846e-4, 7.451662302008696e-4, 6.673176219006913e-4,
5.972364609644049e-4, 5.341971801529036e-4, 4.775352065178378e-4, 4.266427928961177e-4,
3.8096498904225923e-4, 3.3999577417327287e-4, 3.032743659102713e-4, 2.703817158798329e-4,
2.4093719775272793e-4, 2.145954900503894e-4, 1.9104365317752797e-4, 1.6999839784346724e-4,
1.5120354022478893e-4, 1.3442763782650755e-4, 1.1946179895521507e-4, 1.0611765796993575e-4,
9.422550797617687e-5, 8.363258233342666e-5, 7.420147621931836e-5, 6.580869950304933e-5,
5.834335229919868e-5, 5.17059147771959e-5, 4.5807143072062634e-5, 4.0567063461299446e-5,
3.591405732740723e-5, 3.178402980354131e-5, 2.811965539165646e-5, 2.4869694240316126e-5,
2.1988373166730962e-5, 1.9434825899529382e-5, 1.717258740121378e-5, 1.5169137499243157e-5,
1.339548941011129e-5, 1.1825819079078403e-5, 1.0437131581057595e-5, 9.208961130078894e-6,
8.12310153137994e-6, 7.163364176588591e-6, 6.315360932244386e-6, 5.566309502463164e-6,
4.904859063429651e-6, 4.320934164082596e-6, 3.8055950719111903e-6, 3.350912911083174e-6,
2.9498580949517117e-6, 2.596200697612328e-6, 2.2844215378879293e-6, 2.0096328693141094e-6,
1.7675076766686654e-6, 1.5542166787225756e-6, 1.366372225473431e-6, 1.200978365778838e-6,
1.0553864128982371e-6, 9.272554464808518e-7, 8.145171945902259e-7, 7.153448381918271e-7}};
siPMShapeHO_.setNBin(nbin);
double norm = 0.;
for (unsigned int j = 0; j < nbin; ++j) {
norm += (nt[j] > 0) ? nt[j] : 0.;
}
for (unsigned int j = 0; j < nbin; ++j) {
nt[j] /= norm;
siPMShapeHO_.setShapeBin(j, nt[j]);
}
}
const HcalPulseShape& HcalPulseShapes::computeSiPMShapeHE203() {
//numerical convolution of SiPM pulse + WLS fiber shape
static const HcalPulseShape siPMShapeMC2017(
normalize(convolve(nBinsSiPM_, analyticPulseShapeSiPMHE, Y11203), nBinsSiPM_), nBinsSiPM_);
return siPMShapeMC2017;
}
const HcalPulseShape& HcalPulseShapes::computeSiPMShapeHE206() {
//numerical convolution of SiPM pulse + WLS fiber shape
//shift: aligning 206 phase closer to 205 in order to have good reco agreement
static const HcalPulseShape siPMShapeMC2018(
normalizeShift(convolve(nBinsSiPM_, analyticPulseShapeSiPMHE, Y11206), nBinsSiPM_, -2), nBinsSiPM_);
return siPMShapeMC2018;
}
const HcalPulseShapes::Shape& HcalPulseShapes::getShape(int shapeType) const {
ShapeMap::const_iterator shapeMapItr = theShapes.find(shapeType);
if (shapeMapItr == theShapes.end()) {
throw cms::Exception("HcalPulseShapes") << "unknown shapeType";
return hpdShape_; // should not return this, but...
} else {
return *(shapeMapItr->second);
}
}
const HcalPulseShapes::Shape& HcalPulseShapes::shape(const HcalDetId& detId) const {
if (!theDbService) {
return defaultShape(detId);
}
int shapeType = theDbService->getHcalMCParam(detId)->signalShape();
ShapeMap::const_iterator shapeMapItr = theShapes.find(shapeType);
if (shapeMapItr == theShapes.end()) {
return defaultShape(detId);
} else {
return *(shapeMapItr->second);
}
}
const HcalPulseShapes::Shape& HcalPulseShapes::shapeForReco(const HcalDetId& detId) const {
if (!theDbService) {
return defaultShape(detId);
}
int shapeType = theDbService->getHcalRecoParam(detId.rawId())->pulseShapeID();
ShapeMap::const_iterator shapeMapItr = theShapes.find(shapeType);
if (shapeMapItr == theShapes.end()) {
return defaultShape(detId);
} else {
return *(shapeMapItr->second);
}
}
const HcalPulseShapes::Shape& HcalPulseShapes::defaultShape(const HcalDetId& detId) const {
edm::LogWarning("HcalPulseShapes") << "Cannot find HCAL MC Params ";
HcalSubdetector subdet = detId.subdet();
switch (subdet) {
case HcalBarrel:
return hbShape();
case HcalEndcap:
return heShape();
case HcalForward:
return hfShape();
case HcalOuter:
//FIXME doesn't look for SiPMs
return hoShape(false);
default:
throw cms::Exception("HcalPulseShapes") << "unknown detId";
break;
}
}
//SiPM helpers
inline double gexp(double t, double A, double c, double t0, double s) {
static double const root2(sqrt(2));
return -A * 0.5 * exp(c * t + 0.5 * c * c * s * s - c * s) * (erf(-0.5 * root2 / s * (t - t0 + c * s * s)) - 1);
}
inline double onePulse(double t, double A, double sigma, double theta, double m) {
return (t < theta) ? 0 : A * TMath::LogNormal(t, sigma, theta, m);
}
double HcalPulseShapes::analyticPulseShapeSiPMHO(double t) {
// HO SiPM pulse shape fit from Jake Anderson ca. 2013
double A1(0.08757), c1(-0.5257), t01(2.4013), s1(0.6721);
double A2(0.007598), c2(-0.1501), t02(6.9412), s2(0.8710);
return gexp(t, A1, c1, t01, s1) + gexp(t, A2, c2, t02, s2);
}
double HcalPulseShapes::analyticPulseShapeSiPMHE(double t) {
// taken from fit to laser measurement taken by Iouri M. in Spring 2016.
double A1(5.204 / 6.94419), sigma1_shape(0.5387), theta1_loc(-0.3976), m1_scale(4.428);
double A2(1.855 / 6.94419), sigma2_shape(0.8132), theta2_loc(7.025), m2_scale(12.29);
return onePulse(t, A1, sigma1_shape, theta1_loc, m1_scale) + onePulse(t, A2, sigma2_shape, theta2_loc, m2_scale);
}
double HcalPulseShapes::generatePhotonTime(CLHEP::HepRandomEngine* engine, unsigned int signalShape) {
if (signalShape == 206)
return generatePhotonTime206(engine);
else
return generatePhotonTime203(engine);
}
double HcalPulseShapes::generatePhotonTime203(CLHEP::HepRandomEngine* engine) {
double result(0.);
while (true) {
result = CLHEP::RandFlat::shoot(engine, HcalPulseShapes::Y11RANGE_);
if (CLHEP::RandFlat::shoot(engine, HcalPulseShapes::Y11MAX203_) < HcalPulseShapes::Y11203(result))
return result;
}
}
double HcalPulseShapes::generatePhotonTime206(CLHEP::HepRandomEngine* engine) {
double result(0.);
while (true) {
result = CLHEP::RandFlat::shoot(engine, HcalPulseShapes::Y11RANGE_);
if (CLHEP::RandFlat::shoot(engine, HcalPulseShapes::Y11MAX206_) < HcalPulseShapes::Y11206(result))
return result;
}
}
//Original scintillator+Y11 fit from Vasken's 2001 measurement
double HcalPulseShapes::Y11203(double t) { return exp(-0.0635 - 0.1518 * t + log(t) * 2.528) / 2485.9; }
//New scintillator+Y11 model from Vasken's 2017 measurement plus a Landau correction term
double HcalPulseShapes::Y11206(double t) {
//Shifting phase to have better comparison of digi shape with data
//If necessary, further digi phase adjustment can be done here:
//SimCalorimetry/HcalSimProducers/python/hcalSimParameters_cfi.py
//by changing "timePhase"
double shift = 7.2;
//Fit From Deconvolved Data
double A, n, t0, fit;
A = 0.104204;
n = 0.44064;
t0 = 10.0186;
if (t > shift)
fit = A * (1 - exp(-(t - shift) / n)) * exp(-(t - shift) / t0);
else
fit = 0.0;
//Correction Term
double norm, mpv, sigma, corTerm;
norm = 0.0809882;
mpv = 0;
sigma = 20;
if (t > shift)
corTerm = norm * TMath::Landau((t - shift), mpv, sigma);
else
corTerm = 0.0;
//Overall Y11
double frac = 0.11;
double val = (1 - frac) * fit + frac * corTerm;
if (val >= 0)
return val;
else
return 0.0;
}