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NEST.cpp
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NEST.cpp
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#include <exception>
#include "NEST.hh"
#include <stdexcept>
#define InfraredER 1.1716263232
//#define InfraredNR 7.
#define ChargeLoss 0.20
using namespace std;
using namespace NEST;
static constexpr int podLength = 1100; //roughly 100-1,000 ns for S1
bool kr83m_reported_low_deltaT = false; //to aid in verbosity
const std::vector<double> NESTcalc::default_NuisParam = {11., 1.1, 0.0480, -0.0533, 12.6, 0.3, 2., 0.3, 2., 0.5, 1., 1.};
const std::vector<double> NESTcalc::default_FreeParam = {1., 1., 0.1, 0.5, 0.19, 2.25}; //Fano factor of ~3 at least for ionization when using rmQuanta (look at first 2 values)
NESTresult NESTcalc::FullCalculation(INTERACTION_TYPE species, double energy,
double density, double dfield, double A,
double Z,
const std::vector<double> &NuisParam /*={11.,1.1,0.0480,-0.0533,12.6,0.3,2.,0.3,2.,0.5,1.,1.}*/,
const std::vector<double> &FreeParam /*={1.,1.,0.1,0.5,0.19,2.25}*/,
bool do_times /*=true*/) {
if (density < 1.) fdetector->set_inGas(true);
NESTresult result;
result.yields = GetYields(species, energy, density, dfield, A, Z, NuisParam);
result.quanta = GetQuanta(result.yields, density, FreeParam);
if (do_times)
result.photon_times = GetPhotonTimes(
species, result.quanta.photons, result.quanta.excitons, dfield, energy);
else {
result.photon_times = photonstream(result.quanta.photons, 0.0);
}
return result;
}
double NESTcalc::PhotonTime(INTERACTION_TYPE species, bool exciton,
double dfield, double energy) {
double time_ns = 0., SingTripRatio, tauR = 0., tau3 = 23.97,
tau1 = 3.27; //arXiv:1802.06162. NR may need tauR ~0.5-1ns instead of 0
if (fdetector->get_inGas() ||
energy < W_DEFAULT * 0.001) {
// from G4S1Light.cc in old NEST
tau1 = 5.18; // uncertainty of 1.55 ns from G4S2Light
tau3 = 100.1; // uncertainty of 7.90 ns from G4S2Light
}
// tau1 = 3.5*ns; tau3 = 20.*ns; tauR = 40.*ns for solid Xe from old NEST.
// Here assuming same as in liquid
// if ( dfield > 60. ) dfield = 60. // makes Xed work. 200 for LUX Run04 instead. A mystery! Why no field dep?
double LET = CalcElectronLET(energy, ATOM_NUM);
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) {
//copied from 2013 NEST version for LAr on LBNE
tau1 = RandomGen::rndm()->rand_gauss(6.5, 0.8); // error from weighted average
tau3 = RandomGen::rndm()->rand_gauss(1300, 50); // ibid.
tauR = RandomGen::rndm()->rand_gauss(0.8, 0.2); // Kubota 1979
if (species <= Cf) SingTripRatio = 0.22218 * pow(energy, 0.48211);
else if (species == ion) { //really only alphas here
SingTripRatio = (-0.065492 + 1.9996 * exp(-energy / 1e3)) / (1. + 0.082154 / pow(energy / 1e3, 2.)) +
2.1811; //uses energy in MeV not keV
}
else {
SingTripRatio = 0.2701 + 0.003379 * LET - 4.7338e-5 * pow(LET, 2.) + 8.1449e-6 * pow(LET, 3.);
if (LET < 3. && !exciton) SingTripRatio = RandomGen::rndm()->rand_gauss(0.5, 0.2);
if (LET < 3. && exciton) SingTripRatio = RandomGen::rndm()->rand_gauss(0.36, 0.06);
} //lastly is ER for LAr
} else {
if (species <= Cf) // NR
SingTripRatio =
(0.21 - 0.0001 * dfield) * pow(energy, 0.21 - 0.0001 * dfield); //arXiv:1803.07935. LUX:0.15*E^0.15
else if (species == ion) {
// e.g., alphas
SingTripRatio = 0.065 * pow(energy, 0.416); // spans 2.3 (alpha) and 7.8 (Cf in Xe) from NEST v1
}
else {
// ER
if (!exciton) {
if (energy > 1e3) energy = 1e3; // MIP above ~1 MeV. Fix thanks to Austin de St. Croix
tauR = exp(-0.00900 * dfield) * (7.3138 + 3.8431 * log10(energy)); // arXiv:1310.1117
if (tauR < 3.5) tauR = 3.5; //used to be for gammas only but helpful for matching beta data better
if (dfield > 8e2) dfield = 8e2; //to match Kubota's 4,000 V/cm
SingTripRatio = 1.00 * pow(energy, -0.45 + 0.0005 *
dfield); // see comment below; also, dfield may need to be fixed at ~100-200 V/cm (for NR too)
} else {
SingTripRatio = 0.20 * pow(energy, -0.45 + 0.0005 * dfield); // mixing arXiv:1807.07121 with Kubota 1979
}
}
}
if (fdetector->get_inGas() || energy < W_DEFAULT * 0.001) {
SingTripRatio = 0.1;
if (fdetector->get_inGas() && !exciton)
tauR = 28e3;
else {
tauR = 0.; //28 microseconds comes from Henrique: https://doi.org/10.1016/j.astropartphys.2018.04.006
}
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) {
tau3 = 1600.;
tau1 = 6.;
} // from old G4S2Light
}
if (tauR < 0.) tauR = 0.; //in case varied with Gaussian earlier
// the recombination time is non-exponential, but approximates
// to exp at long timescales (see Kubota '79)
time_ns += tauR * (1.0 / RandomGen::rndm()->rand_uniform() - 1.);
if (RandomGen::rndm()->rand_uniform() < SingTripRatio / (1. + SingTripRatio))
time_ns -= tau1 * log(RandomGen::rndm()->rand_uniform());
else {
time_ns -= tau3 * log(RandomGen::rndm()->rand_uniform());
}
return time_ns;
}
// in analytical model, an empirical distribution (Brian Lenardo and Dev A.K.)
photonstream NESTcalc::AddPhotonTransportTime(const photonstream &emitted_times,
double x, double y, double z) {
photonstream return_photons;
for (auto t : emitted_times) {
double newtime = t + fdetector->OptTrans(x, y, z);
return_photons.emplace_back(newtime);
}
return return_photons;
}
photonstream NESTcalc::GetPhotonTimes(INTERACTION_TYPE species,
int total_photons, int excitons,
double dfield, double energy) {
photonstream return_photons;
int total, excit;
for (int ip = 0; ip < total_photons; ++ip) {
bool isExciton = false;
if (ip < excitons) isExciton = true;
return_photons.emplace_back(PhotonTime(species, isExciton, dfield, energy));
}
return return_photons;
}
double NESTcalc::RecombOmegaNR(double elecFrac, const std::vector<double> &FreeParam/*={1.,1.,0.1,0.5,0.19,2.25}*/) {
double omega = FreeParam[2] * exp(-0.5 * pow(elecFrac - FreeParam[3], 2.) / (FreeParam[4] * FreeParam[4]));
if (omega < 0.)
omega = 0;
return omega;
}
double NESTcalc::RecombOmegaER(double efield, double elecFrac, const std::vector<double> &FreeParam) {
double ampl = 0.086036+(0.0553-0.086036)/pow(1.+pow(efield/295.2,251.6),0.0069114); // <-NEW(GregR); OLD-> 0.14 + (0.043 - 0.14) / (1. + pow(efield / 1210., 1.25));
if (ampl < 0.)
ampl = 0.;
double wide = .205; //or: FreeParam #2, like amplitude (#1)
double cntr = 0.45; //NEW(GregR) FreeParam #3 (OLD value of 0.50 for OLD ampl above 0.14...)
double skew = -0.2; //FreeParam #4
double mode = cntr + 2.*inv_sqrt2_PI * skew * wide / sqrt(1. + skew * skew);
double norm = 1. / (exp(-0.5 * pow(mode - cntr, 2.) / (wide * wide)) *
(1. + erf(skew * (mode - cntr) / (wide * sqrt2)))); //makes sure omega never exceeds ampl
double omega = norm * ampl * exp(-0.5 * pow(elecFrac - cntr, 2.) / (wide * wide)) *
(1. + erf(skew * (elecFrac - cntr) / (wide * sqrt2)));
if (omega < 0.)
omega = 0;
return omega;
}
double NESTcalc::FanoER(double density, double Nq_mean, double efield) {
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) // liquid argon
return 0.1115; // T&I. conflicting reports of .107 (Doke) & ~0.1 elsewhere
double Fano = 0.12707 - 0.029623 * density - // Fano factor is << 1
0.0057042 *
pow(density,
2.) + //~0.1 for GXe w/ formula from Bolotnikov et al. 1995
0.0015957 *
pow(density,
3.); // to get it to be ~0.03 for LXe (E Dahl Ph.D. thesis)
if (!fdetector->get_inGas())
Fano += 0.0015 * sqrt(Nq_mean) * pow(efield, 0.5);
return Fano;
}
QuantaResult NESTcalc::GetQuanta(const YieldResult &yields, double density,
const std::vector<double> &FreeParam/*={1.,1.,0.1,0.5,0.19,2.25}*/) {
QuantaResult result{};
bool HighE;
int Nq_actual, Ne, Nph, Ni, Nex;
if (FreeParam.size() < 6) {
throw std::runtime_error("ERROR: You need a minimum of 6 free parameters for the resolution model.");
}
double excitonRatio = yields.ExcitonRatio;
double Nq_mean = yields.PhotonYield + yields.ElectronYield;
double elecFrac = max(0., min(yields.ElectronYield / Nq_mean, 1.));
if (excitonRatio < 0.) {
excitonRatio = 0.;
HighE = true;
} else {
HighE = false;
}
double alf = 1. / (1. + excitonRatio);
double recombProb = 1. - (excitonRatio + 1.) * elecFrac;
if (recombProb < 0.) {
excitonRatio = 1. / elecFrac - 1.;
}
if (ValidityTests::nearlyEqual(yields.Lindhard, 1.)) {
double Fano = FanoER(density, Nq_mean, yields.ElectricField);
Nq_actual = int(floor(
RandomGen::rndm()->rand_gauss(Nq_mean, sqrt(Fano * Nq_mean)) + 0.5));
if (Nq_actual < 0 || ValidityTests::nearlyEqual(Nq_mean, 0.)) Nq_actual = 0;
Ni = RandomGen::rndm()->binom_draw(Nq_actual, alf);
Nex = Nq_actual - Ni;
} else {
double Fano = FreeParam[0];
Ni = int(floor(RandomGen::rndm()->rand_gauss(Nq_mean * alf,
sqrt(Fano * Nq_mean * alf)) +
0.5));
if (Ni < 0) Ni = 0;
Fano = FreeParam[1];
Nex = int(
floor(RandomGen::rndm()->rand_gauss(
Nq_mean * excitonRatio * alf, sqrt(Fano * Nq_mean * excitonRatio * alf)) +
0.5));
if (Nex < 0) Nex = 0;
Nq_actual = Nex + Ni;
}
if (Nq_actual == 0) {
result.ions = 0;
result.excitons = 0;
result.photons = 0;
result.electrons = 0;
result.Variance = 0;
result.recombProb = 0;
return result;
}
if (Nex < 0) Nex = 0;
if (Ni < 0) Ni = 0;
if (Nex > Nq_actual) Nex = Nq_actual;
if (Ni > Nq_actual) Ni = Nq_actual;
result.ions = Ni;
result.excitons = Nex;
if (Nex <= 0 && HighE)
recombProb = yields.PhotonYield / double(Ni);
recombProb = max(0., min(recombProb, 1.));
if (std::isnan(recombProb) || std::isnan(elecFrac) || Ni == 0 || ValidityTests::nearlyEqual(recombProb, 0.0)) {
result.photons = Nex;
result.electrons = Ni;
elecFrac = 1.0;
result.recombProb = 0.;
result.Variance = 0.;
return result;
}
//set omega (non-binomial recombination fluctuations parameter) according to whether the Lindhard <1, i.e. this is NR.
double omega =
yields.Lindhard < 1 ? RecombOmegaNR(elecFrac, FreeParam) : RecombOmegaER(yields.ElectricField, elecFrac,
FreeParam);
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) omega = 0.0; // Ar has no non-binom sauce
double Variance =
recombProb * (1. - recombProb) * Ni + omega * omega * Ni * Ni;
//if ( !fdetector->get_rmQuanta() ) Variance /= sqrt ( 1.1 );
double skewness;
if ((yields.PhotonYield + yields.ElectronYield) > 1e4 || yields.ElectricField > 4e3 || yields.ElectricField < 50.) {
skewness = 0.00; //make it a constant 0 when outside the range of Vetri Velan's Run04 models.
} else {
// LUX Skewness Model
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
double Wq_eV = wvalue.Wq_eV;
double engy = 1e-3 * Wq_eV * (yields.PhotonYield + yields.ElectronYield);
double fld = yields.ElectricField;
double alpha0 = 1.39;
double cc0 = 4.0, cc1 = 22.1;
double E0 = 7.7, E1 = 54., E2 = 26.7, E3 = 6.4;
double F0 = 225., F1 = 71.;
skewness = 0.;
if (ValidityTests::nearlyEqual(yields.Lindhard, 1.)) {
skewness = 1. / (1. + exp((engy - E2) / E3)) *
(alpha0 + cc0 * exp(-1. * fld / F0) * (1. - exp(-1. * engy / E0))) +
1. / (1. + exp(-1. * (engy - E2) / E3)) * cc1 * exp(-1. * engy / E1) *
exp(-1. * sqrt(fld) / sqrt(F1));
//if ( std::abs(skewness) <= DBL_MIN ) skewness = DBL_MIN;
} else {
skewness = FreeParam[5]; //2.25 but ~5-20 also good (for NR). All better than zero, but 0 is OK too
} //note to self: find way to make 0 for ion (wall BG) incl. alphas?
}
double widthCorrection = sqrt(1. - (2. / M_PI) * skewness * skewness / (1. + skewness * skewness));
double muCorrection =
(sqrt(Variance) / widthCorrection) * (skewness / sqrt(1. + skewness * skewness)) * 2.*inv_sqrt2_PI;
if (std::abs(skewness) > DBL_MIN && ValidityTests::nearlyEqual(ATOM_NUM, 54.)) //skewness model only for Xenon!
Ne = int(floor(RandomGen::rndm()->rand_skewGauss((1. - recombProb) * Ni - muCorrection,
sqrt(Variance) / widthCorrection, skewness) + 0.5));
else {
Ne = int(floor(RandomGen::rndm()->rand_gauss((1. - recombProb) * Ni, sqrt(Variance)) + 0.5));
}
if (Ne < 0) Ne = 0;
if (Ne > Ni) Ne = Ni;
Nph = Nq_actual - Ne;
if (Nph > Nq_actual) Nph = Nq_actual;
if (Nph < Nex) Nph = Nex;
if ((Nph + Ne) != (Nex + Ni)) {
throw std::runtime_error("ERROR: Quanta not conserved. Tell Matthew Immediately!");
}
result.Variance = Variance;
result.recombProb = recombProb;
result.photons = Nph;
result.electrons = Ne;
return result; // quanta returned with recomb fluctuations
}
YieldResult NESTcalc::GetYieldGamma(double energy, double density, double dfield) {
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
double Wq_eV = wvalue.Wq_eV;
double alpha = wvalue.alpha;
constexpr double m3 = 2., m4 = 2., m6 = 0.;
const double m1 =
33.951 + (3.3284 - 33.951) / (1. + pow(dfield / 165.34, .72665));
double m2 = 1000 / Wq_eV;
double m5 =
23.156 + (10.737 - 23.156) / (1. + pow(dfield / 34.195, .87459));
double densCorr = 240720. / pow(density, 8.2076);
double m7 =
66.825 + (829.25 - 66.825) / (1. + pow(dfield / densCorr, .83344));
double Nq = energy * 1000. / Wq_eV;
double m8 = 2.;
if (fdetector->get_inGas()) m8 = -2.;
double Qy = m1 + (m2 - m1) / (1. + pow(energy / m3, m4)) + m5 +
(m6 - m5) / (1. + pow(energy / m7, m8));
if ( !fdetector->get_rmQuanta() ) Qy *= 1.1;
double Ly = Nq / energy - Qy;
YieldResult result{};
result.PhotonYield = Ly * energy;
result.ElectronYield = Qy * energy;
result.ExcitonRatio = NexONi(energy, density);
result.Lindhard = 1;
result.ElectricField = dfield;
result.DeltaT_Scint = -999;
return YieldResultValidity(result, energy, Wq_eV);
}
YieldResult NESTcalc::GetYieldNROld(double energy, int option) { // possible anti-correlation in NR ignored totally
double Ne, Nph, FakeField;
if (option == 0) {
// with old-school L_eff*S_nr conversion, and more explicit Thomas-Imel box model formulae
// but approximation where Qy can sail off as energy to 0
FakeField = 1.00;
Nph = 0.95 * 64. * energy * (0.050295 * pow(energy, 1.3483) * (log(1. + (0.84074 * pow(energy, 1.3875))) /
(0.84074 * pow(energy,
1.3875)))); // NESTv0.97beta (2011) ~0 V/cm arXiv:1106.1613
Ne = energy * (10.661 * pow(energy, 0.16199) *
(log(1. + (0.745330 * pow(energy, 1.0880))) / (0.745330 * pow(energy, 1.0880))) +
0.93739); // essentially Lindhard with k of 0.166
} else if (option == 1) {
FakeField = 200.;
Ne = energy * (4.1395 * pow(energy, 0.13816) * (log(1. + (0.040945 * pow(energy, 1.1388))) / (0.040945 *
pow(energy,
1.1388)))); // conservative: k < or ~ to 0.110 (Hitachi-like)
Nph = energy * 3.35 * pow(energy,
0.29222); // NESTv0.98 (2013) model for legacy comparisons (arXiv:1307.6601) using simple power law (optional constant; optional for Nph)
} else if (option == 2) {
FakeField = 730.;
Nph = 7582.3 + (-1.3728 - 7582.3) / (1. + pow(energy / 385.46,
1.2669)); // NEST v1.0 (2015) arXiv:1412.4417, with ability to cut off yield at either low or high energy. Fit to Nph
Ne = (60.914 * pow(energy, 0.32220)) * (1. - exp(-0.12684 * pow(energy,
0.65729))); // middle of road: k = 0.14. By Brian Lenardo, still pre-LUX-DD. With explicit bi-Exc quenching
} else {
// simplest by far, but not 1st principles: based on work of M. Wyman UAlbany
FakeField = 180.; // fit to LUX Run03 D-D alone
Ne = (-3.8780 + 12.372 * pow(energy, 0.73502)) *
exp(-0.0034329 * energy); // slide 68 of Matthew's private Google Slides mega-deck
Nph = 0.81704 + 3.8584 * pow(energy, 1.30180); // ditto
}
YieldResult result{};
if (Nph < 0.) Nph = 0.;
if (Ne < 0.) Ne = 0.;
result.PhotonYield = Nph;
result.ElectronYield = Ne;
result.ExcitonRatio = 1.;
result.Lindhard = ((Nph + Ne) / energy) * W_DEFAULT * 1e-3;
result.ElectricField = FakeField;
result.DeltaT_Scint = -999.;
return YieldResultValidity(result, energy, W_DEFAULT);
}
YieldResult NESTcalc::GetYieldNR(double energy, double density, double dfield, double massNum,
const std::vector<double> &NuisParam/*{11.,1.1,0.0480,-0.0533,12.6,0.3,2.,0.3,2.,0.5,1.,1.}*/) {
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) massNum = fdetector->get_molarMass();
if (NuisParam.size() < 12) {
throw std::runtime_error("ERROR: You need a minimum of 12 nuisance parameters for the mean yields.");
}
if (energy > HIGH_E_NR)
cerr << "\nWARNING: No data out here, you are beyond the AmBe endpoint of about 300 keV.\n";
int massNumber;
double ScaleFactor[2] = {1., 1.};
if (ValidityTests::nearlyEqual(massNum, 0.))
massNumber = RandomGen::rndm()->SelectRanXeAtom();
else {
massNumber = int(massNum);
}
ScaleFactor[0] = sqrt(fdetector->get_molarMass() / (double) massNumber);
ScaleFactor[1] = ScaleFactor[0];
double Nq = NuisParam[0] * pow(energy, NuisParam[1]);
if ( !fdetector->get_rmQuanta() ) Nq *= InfraredER;
double ThomasImel =
NuisParam[2] * pow(dfield, NuisParam[3]) * pow(density / DENSITY, 0.3);
double Qy = 1. / (ThomasImel * pow(energy + NuisParam[4], NuisParam[9]));
Qy *= 1. - 1. / pow(1. + pow((energy / NuisParam[5]), NuisParam[6]), NuisParam[10]);
if ( !fdetector->get_rmQuanta() ) Qy *= 1.1;
double Ly = Nq / energy - Qy;
if (Qy < 0.0) Qy = 0.0;
if (Ly < 0.0) Ly = 0.0;
double Ne = Qy * energy * ScaleFactor[1];
double Nph = Ly * energy * ScaleFactor[0] *
(1. - 1. / pow(1. + pow((energy / NuisParam[7]), NuisParam[8]), NuisParam[11]));
Nq = Nph + Ne;
double Ni = (4. / ThomasImel) * (exp(Ne * ThomasImel / 4.) - 1.);
double Nex = (-1. / ThomasImel) * (4. * exp(Ne * ThomasImel / 4.) - (Ne + Nph) * ThomasImel - 4.);
double NexONi = Nex / Ni;
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
if (NexONi < wvalue.alpha && energy > 1e2) {
NexONi = wvalue.alpha;
Ni = Nq / (1. + NexONi);
Nex = Nq - Ni;
}
if (NexONi > 1.0 && energy < 1.) {
NexONi = 1.00;
Ni = Nq / (1. + NexONi);
Nex = Nq - Ni;
}
if (Nex < 0.)
cerr
<< "\nCAUTION: You are approaching the border of NEST's validity for high-energy (OR, for LOW) NR, or are beyond it, at "
<< energy << " keV." << endl;
if (std::abs(Nex + Ni - Nq) > 2. * PHE_MIN) {
throw std::runtime_error("ERROR: Quanta not conserved. Tell Matthew Immediately!");
}
double Wq_eV = wvalue.Wq_eV;
double L = (Nq / energy) * Wq_eV * 1e-3;
YieldResult result{};
result.PhotonYield = Nph;
result.ElectronYield = Ne;
result.ExcitonRatio = NexONi;
result.Lindhard = L;
result.ElectricField = dfield;
result.DeltaT_Scint = -999;
return YieldResultValidity(result, energy, Wq_eV); // everything needed to calculate fluctuations
}
YieldResult NESTcalc::GetYieldIon(double energy, double density, double dfield, double massNum, double atomNum,
const std::vector<double> &NuisParam/*{11.,1.1,0.0480,-0.0533,12.6,0.3,2.,0.3,2.,0.5,1.,1.}*/) { //simply uses the original Lindhard model, but as cited by Hitachi in:
//https://indico.cern.ch/event/573069/sessions/230063/attachments/1439101/2214448/Hitachi_XeSAT2017_DM.pdf
double A1 = massNum, A2 = RandomGen::rndm()->SelectRanXeAtom();
double Z1 = atomNum, Z2 = ATOM_NUM;
double Z_mean = pow(pow(Z1, (2. / 3.)) + pow(Z2, (2. / 3.)), 1.5);
double E1c = pow(A1, 3.) * pow(A1 + A2, -2.) * pow(Z_mean, (4. / 3.)) *
pow(Z1, (-1. / 3.)) * 500.;
double E2c = pow(A1 + A2, 2.) * pow(A1, -1.) * Z2 * 125.;
double gamma = 4. * A1 * A2 / pow(A1 + A2, 2.);
double Ec_eV = gamma * E2c;
double Constant =
(2. / 3.) * (1. / sqrt(E1c) + 0.5 * sqrt(gamma / Ec_eV));
double L = Constant * sqrt(energy * 1e3);
double L_max = 0.96446 / (1. + pow(massNum * massNum / 19227., 0.99199));
if (ValidityTests::nearlyEqual(atomNum, 2.) && ValidityTests::nearlyEqual(massNum, 4.))
L = 0.56136 * pow(energy, 0.056972);
if (L > L_max) L = L_max;
double densDep = pow(density / 0.2679, -2.3245);
double massDep =
0.02966094 * exp(0.17687876 * (massNum / 4. - 1.)) + 1. - 0.02966094;
double fieldDep = pow(1. + pow(dfield / 95., 8.7), 0.0592);
if (fdetector->get_inGas()) fieldDep = sqrt(dfield);
double ThomasImel = 0.00625 * massDep / (1. + densDep) / fieldDep;
if (ValidityTests::nearlyEqual(A1, 206.) &&
ValidityTests::nearlyEqual(Z1, 82.)) {
//Pb-206 (from Po-210 alpha decay).
ThomasImel = 79.9 * pow(dfield, -0.868); //Nishat Parveen
}
const double logden = log10(density);
double Wq_eV = 28.259 + 25.667 * logden - 33.611 * pow(logden, 2.) -
123.73 * pow(logden, 3.) - 136.47 * pow(logden, 4.) -
74.194 * pow(logden, 5.) - 20.276 * pow(logden, 6.) -
2.2352 * pow(logden, 7.);
double alpha = 0.64 / pow(1. + pow(density / 10., 2.), 449.61);
double NexONi = alpha + 0.00178 * pow(atomNum, 1.587); //Wq_eV=13.7;ThomasImel=0.05;NexONi=0.05;
double Nq = 1e3 * L * energy / Wq_eV;
double Ni = Nq / (1. + NexONi);
double recombProb;
if (Ni > 0. && ThomasImel > 0.)
recombProb =
1. - log(1. + (ThomasImel / 4.) * Ni) / ((ThomasImel / 4.) * Ni);
else {
recombProb = 0.0;
}
double Nph = Nq * NexONi / (1. + NexONi) + recombProb * Ni;
double Ne = Nq - Nph;
if (ValidityTests::nearlyEqual(A1, 206.) && ValidityTests::nearlyEqual(Z1, 82.))
Ne = RandomGen::rndm()->rand_gauss(Ne / ChargeLoss, 2. * sqrt(Ne / (ChargeLoss * ChargeLoss)));
// to compensate for accidentally including Q-loss in fits to Xed data
if (ValidityTests::nearlyEqual(Z2, 18.) && ValidityTests::nearlyEqual(Z1, 2.) &&
ValidityTests::nearlyEqual(A1, 4.)) { //alphas in argon
double factorE = pow((4.71598 + pow(dfield, 7.72848)), 0.109802);
double Qy = (1. / 6200.) *
(64478398.7663 - (64478398.7663 * 0.173553719 + (64478398.7663 / 1.21) * (1. - (0.02852 * log(1. + (64478398.7663 / 1.21) * ((0.01 / factorE) / 3.))) /
((64478398.7663 / 1.21) * (0.01 / factorE)))));
double qu = 1. / (1.5 * pow(dfield, -0.012));
factorE = pow(4.98483 + pow(dfield / 10.0822, 1.2076), 0.97977);
double Ly= qu * (1. / 6500.) * (278037.250283 * 0.173553719 + (278037.250283 / 1.21) * (1. - (2. * log(1. + (278037.250283 / 1.21) * ((0.653503 / factorE) / 3.))) /
((278037.250283 / 1.21) * (0.653503 / factorE))));
Ne = Qy * energy;
Nph = Ly * energy;
L = 0.0;
NexONi = 0.21;
Wq_eV = 19.5;
}
YieldResult result{};
result.PhotonYield = Nph;
result.ElectronYield = Ne;
result.ExcitonRatio = NexONi;
result.Lindhard = L;
result.ElectricField = dfield;
result.DeltaT_Scint = -999;
return YieldResultValidity(result, energy, Wq_eV); // everything needed to calculate fluctuations
}
YieldResult NESTcalc::GetYieldKr83m(double energy, double density, double dfield, double maxTimeSeparation,
double deltaT_ns = -999) {
double Nq = -999;
double Nph = -999;
double Ne = -999;
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
double Wq_eV = wvalue.Wq_eV;
double alpha = wvalue.alpha;
constexpr double deltaT_ns_halflife = 154.4;
if (ValidityTests::nearlyEqual(energy, 9.4)) {
if (deltaT_ns < 0) {
while (deltaT_ns > maxTimeSeparation || deltaT_ns < 0) {
deltaT_ns = RandomGen::rndm()->rand_exponential(deltaT_ns_halflife);
}
}
if (deltaT_ns < 100. && energy < 41.5 && kr83m_reported_low_deltaT == false) {
kr83m_reported_low_deltaT = true;
cerr << "\tWARNING! Past Kr83m model fit validity region. Details: "
<< " deltaT_ns is <100 ns and your input energy is either 32.1 or 9.4 keV. "
<< " Data for separated Kr83m decays does not yet exist for deltaT_ns <100 ns. "
<< " 9.4 & 32.1 keV yields are still summed to physically accurate result, but individually will be nonsensical."
<< endl;
}
Nq = energy * 1e3 / Wq_eV;
double medTlevel = 57.462 + (69.201 - 57.462) / pow(1. + pow(dfield / 250.13, 0.9), 1.);
double lowTdrop = 35. + (75. - 35.) / pow(1. + pow(dfield / 60, 1), 1);
double lowTpeak = 6.2831e4 - (6.2831e4 - 5.949e4) / pow(1. + pow(dfield / 60, 1.), 1);
Nph = energy * (lowTpeak * pow(2. * deltaT_ns + 10., -1.5) + medTlevel) /
(1. + pow(deltaT_ns / lowTdrop, -1. * lowTdrop / 5.));
Ne = Nq - Nph;
if (Ne < 0)
Ne = 0.;
alpha = 0.;
} else {
if (ValidityTests::nearlyEqual(energy, 32.1)) {
Nq = energy * 1e3 / Wq_eV;
Nph = energy * (6. + (66.742 - 6.) / pow(1. + pow(dfield / 115.037, 0.6409), 0.3215));
Ne = Nq - Nph;
if (Ne < 0.)
Ne = 0.;
} else { //merged 41.5 keV decay
if (deltaT_ns < 0) {
while (deltaT_ns > maxTimeSeparation || deltaT_ns < 0) {
deltaT_ns = RandomGen::rndm()->rand_exponential(deltaT_ns_halflife);
}
}
double medTlevel = 57.462 + (69.201 - 57.462) / pow(1. + pow(dfield / 250.13, 0.9), 1.);
double lowTdrop = 35. + (75. - 35.) / pow(1. + pow(dfield / 60, 1), 1);
double lowTpeak = 6.2831e4 - (6.2831e4 - 5.949e4) / pow(1. + pow(dfield / 60, 1.), 1);
//9.4 keV model
Nph = 9.4 * (lowTpeak * pow(2. * deltaT_ns + 10., -1.5) + medTlevel) /
(1. + pow(deltaT_ns / lowTdrop, -1. * lowTdrop / 5.));
Ne = (9.4 * 1e3 / Wq_eV) - Nph;
if (Ne < 0.) Ne = 0.; //can't have negative charge from either decay
//Add in 32.1 keV yields
double Nph_32 = 32.1 * (6. + (66.742 - 6.) / pow(1. + pow(dfield / 115.037, 0.6409), 0.3215));
double Ne_32 = (32.1 * 1e3 / Wq_eV) - Nph_32;
Nph += Nph_32;
Ne += Ne_32;
if (Ne < 0.) Ne = 0.;
}
}
YieldResult result{};
result.PhotonYield = Nph;
result.ElectronYield= Ne;
if ( !fdetector->get_rmQuanta() ) {
Ne *= 1.1;
Nph = (result.PhotonYield+result.ElectronYield) - Ne;
result.PhotonYield = Nph;
result.ElectronYield =Ne;
}
result.ExcitonRatio = NexONi(energy, density);
result.Lindhard = 1;
result.ElectricField = dfield;
result.DeltaT_Scint = deltaT_ns;
return YieldResultValidity(result, energy, Wq_eV); // everything needed to calculate fluctuations
}
YieldResult NESTcalc::GetYieldBeta(double energy, double density, double dfield) { // OLD
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
double Qy, Nq;
double Wq_eV = wvalue.Wq_eV;
//double alpha = wvalue.alpha; // duplicate definition below. We don't even need this here (it is Nex/Ni)
if (ValidityTests::nearlyEqual(ATOM_NUM, 18.)) {
// Liquid Argon
double alpha =
32.988 - 552.988 / (17.2346 + pow(dfield / (-4.7 + 0.025115 * exp(1.3954 / 0.265360653)), 0.242671));
double beta = 0.778482 + 25.9 / pow(1.105 + pow(dfield / 0.4, 4.55), 7.502);
double gamma = 0.659509 * (1000 / 19.5 + 6.5 * (5 - 0.5 / pow(dfield / 1047.408, 0.01851)));
double delta = 15.7489;
double DB = 1052.264 + (14159350000 - 1652.264) / (-5 + pow(dfield / 0.157933, 1.83894));
double p1 = 1;
double p2 = 10.304;
double p3 = 13.0654;
double p4 = 0.10535;
double p5 = 0.7;
double LET = -2.07763;
Nq = energy * 1e3 / Wq_eV;
Qy = alpha * beta + (gamma - alpha * beta) / pow(p1 + p2 * pow(energy + 0.5, p3), p4) +
delta / (p5 + DB * pow(energy, LET));
} else {
double QyLvllowE = 1e3 / Wq_eV + 6.5 * (1. - 1. / (1. + pow(dfield / 47.408, 1.9851)));
double HiFieldQy = 1. + 0.4607 / pow(1. + pow(dfield / 621.74, -2.2717), 53.502);
double QyLvlmedE = 32.988 - 32.988 / (1. + pow(dfield / (0.026715 * exp(density / 0.33926)), 0.6705));
QyLvlmedE *= HiFieldQy;
double DokeBirks = 1652.264 + (1.415935e10 - 1652.264) / (1. + pow(dfield / 0.02673144, 1.564691));
Nq = energy * 1e3 / Wq_eV; //( Wq_eV+(12.578-Wq_eV)/(1.+pow(energy/1.6,3.5)) );
double LET_power = -2.;
if (fdetector->get_inGas()) LET_power = 2.;
double QyLvlhighE = 28.;
if (density > 3.100) QyLvlhighE = 49.; //SXe effect from Yoo.
Qy = QyLvlmedE + (QyLvllowE - QyLvlmedE) / pow(1. + 1.304 * pow(energy, 2.1393), 0.35535) +
QyLvlhighE / (1. + DokeBirks * pow(energy, LET_power));
if (Qy > QyLvllowE && energy > 1. && dfield > 1e4) Qy = QyLvllowE;
}
if ( !fdetector->get_rmQuanta() ) Qy *= 1.1;
double Ly = Nq / energy - Qy;
double Ne = Qy * energy;
double Nph = Ly * energy;
YieldResult result{};
result.PhotonYield = Nph;
result.ElectronYield = Ne;
result.ExcitonRatio = NexONi(energy, density);
result.Lindhard = 1;
result.ElectricField = dfield;
result.DeltaT_Scint = -999;
return YieldResultValidity(result, energy, Wq_eV); // everything needed to calculate fluctuations;
}
YieldResult // NEW
NESTcalc::GetYieldBetaGR(double energy, double density, double dfield, const std::vector<double> &NuisParam) {
if (RecombOmegaER(0.0, 0.5, NuisParam) < 0.05)
cerr << "WARNING! You need to change RecombOmegaER to go along with GetYieldBetaGR" << endl;
Wvalue wvalue = WorkFunction(density, fdetector->get_molarMass(), fdetector->get_rmQuanta());
double Wq_eV = wvalue.Wq_eV;
double alpha = wvalue.alpha;
double Nq = energy * 1e3 / Wq_eV;
double m1 = 30.66 + (6.1978 - 30.66) / pow(1. + pow(dfield / 73.855, 2.0318), 0.41883); //NuisParam[0];
double m5 = Nq / energy / (1 + alpha * erf(0.05 * energy)) - m1;
double m10 = (0.0508273937 + (0.1166087199 - 0.0508273937) / (1 + pow(dfield / 1.39260460e+02, -0.65763592)));
double Qy = m1 + (77.2931084 - m1) /
pow((1. + pow(energy / (log10(dfield) * 0.13946236 + 0.52561312), 1.82217496 +
(2.82528809 - 1.82217496) / (1 +
pow(dfield /
144.65029656,
-2.80532006)))),
0.3344049589)
+ m5 + (0. - m5) / pow((1. + pow(energy / (7.02921301 + (98.27936794 - 7.02921301) /
(1. + pow(dfield / 256.48156448, 1.29119251))),
4.285781736)), m10);
double coeff_TI = pow(1. / DENSITY, 0.3);
double coeff_Ni = pow(1. / DENSITY, 1.4);
double coeff_OL = pow(1. / DENSITY, -1.7) / log(1. + coeff_TI * coeff_Ni * pow(DENSITY, 1.7));
Qy *= coeff_OL * log(1. + coeff_TI * coeff_Ni * pow(density, 1.7)) * pow(density, -1.7);
if ( !fdetector->get_rmQuanta() ) Qy *= 1.1;
double Ly = Nq / energy - Qy;
double Ne = Qy * energy;
double Nph = Ly * energy;
double lux_NexONi = alpha * erf(0.05 * energy);
YieldResult result{};
result.PhotonYield = Nph;
result.ElectronYield = Ne;
result.ExcitonRatio = lux_NexONi;
result.Lindhard = 1;
result.ElectricField = dfield;
result.DeltaT_Scint = -999;
return YieldResultValidity(result, energy, Wq_eV); // everything needed to calculate fluctuations;
}
YieldResult NESTcalc::GetYields(INTERACTION_TYPE species, double energy, double density, double dfield, double massNum,
double atomNum, const std::vector<double> &NuisParam
/*={11.,1.1,0.0480,-0.0533,12.6,0.3,2.,0.3,2.,0.5,1.,1.}*/) {
switch (species) {
case NR:
case WIMP:
case B8:
case atmNu:
case DD:
case AmBe:
case Cf: // this doesn't mean all NR is Cf, this is like a giant if
// statement. Same intrinsic yields, but different energy spectra
// (TestSpectra)
return GetYieldNR(energy, density, dfield, massNum, NuisParam);
//return GetYieldNROld ( energy, 1 );
break;
case ion:
return GetYieldIon(energy, density, dfield, massNum, atomNum, NuisParam);
break;
case gammaRay:
return GetYieldGamma(energy, density, dfield);
break;
case Kr83m:
return GetYieldKr83m(energy, density, dfield, massNum);
//not actually massNumber, but a place holder for maxTime
break;
case fullGamma_PE:
return GetYieldGamma(energy, density, dfield); //PE of the full gamma spectrum
break;
default: // beta, CH3T, 14C, the pp solar neutrino background, and Compton/PP spectra of fullGamma
if ( ValidityTests::nearlyEqual(ATOM_NUM, 18.) || dfield < 1e2 )
return GetYieldBeta(energy, density, dfield); // OLD
else return GetYieldBetaGR(energy,density,dfield,NuisParam); // NEW
break;
}
}
YieldResult NESTcalc::YieldResultValidity(YieldResult &res, const double energy, const double Wq_eV) {
assert(res.ElectronYield != -999 && res.PhotonYield != -999 && res.ExcitonRatio != -999);
if (res.PhotonYield > energy / W_SCINT)
res.PhotonYield = energy / W_SCINT; // yields can never exceed 1 / [ W ~ few eV ]
if (res.ElectronYield > energy / W_SCINT) res.ElectronYield = energy / W_SCINT;
if (res.PhotonYield < 0.) res.PhotonYield = 0.;
if (res.ElectronYield < 0.) res.ElectronYield = 0.;
res.Lindhard = max(0., min(res.Lindhard, 1.)); // Lindhard Factor
if (energy < 0.001 * Wq_eV / res.Lindhard) {
res.PhotonYield = 0.;
res.ElectronYield = 0.;
}
return res;
}
NESTcalc::NESTcalc(VDetector *detector) {
assert(detector);
fdetector = detector;
photon_areas.reserve(2);
photon_areas.resize(2);
scintillation.resize(9);
newSpike.resize(2);
ionization.resize(9);
}
NESTcalc::~NESTcalc() {
if (pulseFile) pulseFile.close();
}
const vector<double> &NESTcalc::GetS1(const QuantaResult &quanta, double truthPosX, double truthPosY, double truthPosZ,
double smearPosX, double smearPosY, double smearPosZ, double driftVelocity,
double dV_mid, INTERACTION_TYPE type_num,
uint64_t evtNum, double dfield, double energy,
S1CalculationMode mode, bool outputTiming,
vector<int64_t> &wf_time,
vector<double> &wf_amp) {
int Nph = quanta.photons;
double subtract[2] = {0., 0.};
photon_areas.clear();
photon_areas.resize(2);
// This will clear and reset the vector values
std::fill(scintillation.begin(), scintillation.end(), 0);
wf_time.clear();
wf_amp.clear();
// Add some variability in g1 drawn from a polynomial spline fit
double posDep = fdetector->FitS1(truthPosX, truthPosY, truthPosZ, VDetector::fold);
double posDepSm;
if (XYcorr == 1 || XYcorr == 3) {
posDepSm = fdetector->FitS1(smearPosX, smearPosY, smearPosZ, VDetector::unfold);
} else {
posDepSm = fdetector->FitS1(0, 0, smearPosZ, VDetector::unfold);
}
double dz_center = fdetector->get_TopDrift() -
dV_mid * fdetector->get_dtCntr(); // go from t to z
posDep /=
fdetector->FitS1(0., 0., dz_center, VDetector::fold); // XYZ always in mm now never cm
posDepSm /= fdetector->FitS1(0., 0., dz_center, VDetector::unfold);
double g1_XYZ = max(0., min(fdetector->get_g1() * posDep, 1.));
if (ValidityTests::nearlyEqual(fdetector->get_g1(), 1.)) {
g1_XYZ = 1.;
posDep = 1.;
posDepSm = 1.;
}
if (ValidityTests::nearlyEqual(fdetector->get_g1(), 0.)) {
g1_XYZ = 0.;
posDep = 0.;
posDepSm = 0.;
}
// generate a number of PMT hits drawn from a binomial distribution.
// Initialize number of photo-electrons
int nHits = static_cast<int>(RandomGen::rndm()->binom_draw(Nph, g1_XYZ));
int Nphe = 0;
double eff = fdetector->get_sPEeff();
if (eff < 1.) {
eff += ((1. - eff) / (2. * static_cast<double>(fdetector->get_numPMTs()))) * static_cast<double>(nHits);
}
//this functional form is just linear approximation taking us from sPEeff at ~few PMTs firing to 100% when there are enough photons detected for there to be *2* in each PMT
eff = max(0., min(eff, 1.));
// Initialize the pulse area and spike count variables
double pulseArea = 0., spike = 0., prob;
// If single photo-electron efficiency is under 1 and the threshold is above 0
// (some phe will be below threshold)
S1CalculationMode current_mode = mode;
if (current_mode == S1CalculationMode::Hybrid)
{
//100 keV_ee at 100 V/cm gives approximately 500 photon hits at g1=10%
current_mode = energy < 100. ? S1CalculationMode::Full : S1CalculationMode::Parametric;
}
// Follow https://en.wikipedia.org/wiki/Truncated_normal_distribution
double TruncGaussAlpha = -1. / fdetector->get_sPEres();
double LittlePhi_Alpha = inv_sqrt2_PI * exp(-0.5 * TruncGaussAlpha * TruncGaussAlpha);
double BigPhi_Alpha = 0.5 * (1. + erf(TruncGaussAlpha / sqrt2));
double NewMean = 1. + (LittlePhi_Alpha / (1. - BigPhi_Alpha)) * fdetector->get_sPEres();
switch (current_mode) {
case S1CalculationMode::Full:
case S1CalculationMode::Waveform: {
// Step through the pmt hits
for (int i = 0; i < nHits; ++i) {
// generate photo electron, integer count and area
// real photo cathodes can't make negative phe
double TruncGauss = RandomGen::rndm()->rand_zero_trunc_gauss(1. / NewMean, fdetector->get_sPEres());
double phe1 = TruncGauss +
RandomGen::rndm()->rand_gauss(fdetector->get_noiseB()[0],
fdetector->get_noiseB()[1]);
++Nphe;
if (phe1 > DBL_MAX) {
phe1 = 1.; // for Box-Mueller fuck-ups
}
prob = RandomGen::rndm()->rand_uniform();
// zero the area if random draw determines it wouldn't have been observed.
if (prob > eff) {
phe1 = 0.;
} // add an else with Nphe++ if not doing mc truth
// Generate a double photo electron if random draw allows it
double phe2 = 0.;
if (RandomGen::rndm()->rand_uniform() < fdetector->get_P_dphe()) {
// generate area and increment the photo-electron counter
TruncGauss = RandomGen::rndm()->rand_zero_trunc_gauss(1. / NewMean, fdetector->get_sPEres());
phe2 = TruncGauss +
RandomGen::rndm()->rand_gauss(fdetector->get_noiseB()[0],
fdetector->get_noiseB()[1]);
++Nphe;
if (phe2 > DBL_MAX) {
phe2 = 1.;
}
// zero the area if phe wouldn't have been observed
if (RandomGen::rndm()->rand_uniform() > eff &&
prob > eff) {
phe2 = 0.;
} // add an else with Nphe++ if not doing mc truth
// The dphe occurs simultaneously to the first one from the same source
// photon. If the first one is seen, so should be the second one
}
// Save the phe area and increment the spike count (very perfect spike
// count) if area is above threshold
if (current_mode == S1CalculationMode::Waveform) {
if ((phe1 + phe2) > fdetector->get_sPEthr()) {
pulseArea += phe1 + phe2;
++spike;
photon_areas[0].emplace_back(phe1);
photon_areas[1].emplace_back(phe2);
}
} else {
// use approximation to find timing
if ((phe1 + phe2) > fdetector->get_sPEthr()
&& (-20. * log(RandomGen::rndm()->rand_uniform()) < fdetector->get_coinWind()
|| nHits > fdetector->get_coinLevel())) {
++spike;
pulseArea += phe1 + phe2;
}
}
}
break;
}
case S1CalculationMode::Parametric: {
//Take into account truncated Gaussian shape of SPE and DPE distributions
//Use the CDFs of the SPE and DPE dists to get the fraction of events below the detectors sPE threshold
// This will be applied to the digital spike count variable
double BigPhi_alpha_SPE = 0.5*(1. + erf( -1./fdetector->get_sPEres()/sqrt2 ) );
double BigPhi_xi_SPE = 0.5*(1. + erf( (fdetector->get_sPEthr()-1.)/fdetector->get_sPEres()/sqrt2 ) ); //where we'll evaluate the CDF
double sPE_belowThresh_percentile = ( BigPhi_xi_SPE - BigPhi_alpha_SPE ) / (1. - BigPhi_alpha_SPE );
//get the same parameters for the DPE distribution
double BigPhi_alpha_DPE = 0.5*(1. + erf( -2./(sqrt2*fdetector->get_sPEres())/sqrt2 ) );
double BigPhi_xi_DPE = 0.5*(1. + erf( (fdetector->get_sPEthr() - 2.)/(sqrt2*fdetector->get_sPEres())/sqrt2) );
double dPE_belowThresh_percentile = ( BigPhi_xi_DPE - BigPhi_alpha_DPE ) / (1. - BigPhi_alpha_DPE);
double belowThresh_percentile = sPE_belowThresh_percentile * (1. - fdetector->get_P_dphe() )
+ dPE_belowThresh_percentile * fdetector->get_P_dphe();
Nphe = nHits + static_cast<int>(RandomGen::rndm()->binom_draw(nHits, fdetector->get_P_dphe()));
eff = fdetector->get_sPEeff();
if ( eff < 1. ) {
eff += ((1.-eff)/(2.*static_cast<double>(fdetector->get_numPMTs())))*static_cast<double>(nHits); //same as Full S1CalculationMode case
}
// Above efficiency adjustment needs to be 'NPhe' instead of 'nHits' for Flamedisx implementation
eff = max ( 0., min ( eff, 1. ) );
auto Nphe_det = static_cast<double>(RandomGen::rndm()->binom_draw( Nphe, 1. - ( 1. - eff ) / ( 1. + fdetector->get_P_dphe())));
//take into account the truncation of the PE distributions
pulseArea = RandomGen::rndm()->rand_gauss ( Nphe_det*(1./NewMean), fdetector->get_sPEres() * sqrt(Nphe_det) );
spike = static_cast<double>(RandomGen::rndm()->binom_draw(nHits, eff*(1. - belowThresh_percentile)));
break;
}
case S1CalculationMode::Hybrid: {
default:
break;
}
}
if (current_mode == S1CalculationMode::Waveform) {
vector<double> PEperBin, AreaTable[2], TimeTable[2];