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genie::units Namespace Reference

Physical System of Units. More...

Variables

static constexpr double gigaelectronvolt = 1.
static constexpr double GeV = gigaelectronvolt
static constexpr double kSpeedOfLight = 2.99792458e+08
static constexpr double qe_coulomb = 1.602176634e-19
static constexpr double hbarc = 1.973269804e-16
static constexpr double meter = 1. / (hbarc * GeV)
static constexpr double kilogram = kSpeedOfLight * kSpeedOfLight * 10e-9 * GeV / qe_coulomb
static constexpr double second = meter * kSpeedOfLight / GeV
static constexpr double kilometer = 1000.*meter
static constexpr double millimeter = 0.001*meter
static constexpr double millimeter2 = millimeter*millimeter
static constexpr double millimeter3 = millimeter*millimeter2
static constexpr double centimeter = 0.01*meter
static constexpr double centimeter2 = centimeter*centimeter
static constexpr double centimeter3 = centimeter*centimeter2
static constexpr double decimeter = 0.1*meter
static constexpr double decimeter2 = decimeter*decimeter
static constexpr double decimeter3 = decimeter*decimeter2
static constexpr double meter2 = meter*meter
static constexpr double meter3 = meter*meter2
static constexpr double micrometer = 1.e-6 *meter
static constexpr double nanometer = 1.e-9 *meter
static constexpr double angstrom = 1.e-10*meter
static constexpr double fermi = 1.e-15*meter
static constexpr double fermi2 = fermi*fermi
static constexpr double fermi3 = fermi*fermi2
static constexpr double barn = 1.e-28*meter2
static constexpr double millibarn = 1.e-3 *barn
static constexpr double microbarn = 1.e-6 *barn
static constexpr double nanobarn = 1.e-9 *barn
static constexpr double picobarn = 1.e-12*barn
static constexpr double km = kilometer
static constexpr double mm = millimeter
static constexpr double mm2 = millimeter2
static constexpr double mm3 = millimeter3
static constexpr double cm = centimeter
static constexpr double cm2 = centimeter2
static constexpr double cm3 = centimeter3
static constexpr double m = meter
static constexpr double m2 = meter2
static constexpr double m3 = meter3
static constexpr double A = angstrom
static constexpr double fm = fermi
static constexpr double fm2 = fermi2
static constexpr double fm3 = fermi3
static constexpr double b = barn
static constexpr double mb = millibarn
static constexpr double ub = microbarn
static constexpr double nb = nanobarn
static constexpr double pb = picobarn
static constexpr double millisecond = 1.e-03 *second
static constexpr double microsecond = 1.e-06 *second
static constexpr double nanosecond = 1.e-09 *second
static constexpr double picosecond = 1.e-12 *second
static constexpr double femptosecond = 1.e-15 *second
static constexpr double attosecond = 1.e-18 *second
static constexpr double zeptosecond = 1.e-21 *second
static constexpr double yoctosecond = 1.e-24 *second
static constexpr double s = second
static constexpr double ms = millisecond
static constexpr double us = microsecond
static constexpr double ns = nanosecond
static constexpr double ps = picosecond
static constexpr double fs = femptosecond
static constexpr double as = attosecond
static constexpr double zs = zeptosecond
static constexpr double ys = yoctosecond
static constexpr double hertz = 1./second
static constexpr double kilohertz = 1.e+3*hertz
static constexpr double megahertz = 1.e+6*hertz
static constexpr double gigahertz = 1.e+9*hertz
static constexpr double Hz = hertz
static constexpr double kHz = kilohertz
static constexpr double MHz = megahertz
static constexpr double GHz = gigahertz
static constexpr double qe = 1.
static constexpr double electronvolt = 1.e-09 *GeV
static constexpr double kiloelectronvolt = 1.e+03 *electronvolt
static constexpr double megaelectronvolt = 1.e+06 *electronvolt
static constexpr double teraelectronvolt = 1.e+12 *electronvolt
static constexpr double petaelectronvolt = 1.e+15 *electronvolt
static constexpr double eV = electronvolt
static constexpr double keV = kiloelectronvolt
static constexpr double MeV = megaelectronvolt
static constexpr double TeV = teraelectronvolt
static constexpr double PeV = petaelectronvolt
static constexpr double GeV2 = GeV * GeV
static constexpr double GeV3 = GeV * GeV2
static constexpr double GeV4 = GeV * GeV3
static constexpr double GeV5 = GeV * GeV4
static constexpr double gram = 1.e-3 *kilogram
static constexpr double milligram = 1.e-3 *gram
static constexpr double kg = kilogram
static constexpr double g = gram
static constexpr double mg = milligram
static constexpr double kilogram_meter3 = kilogram / meter3
static constexpr double gram_centimeter3 = gram / centimeter3
static constexpr double kg_m3 = kilogram_meter3
static constexpr double g_cm3 = gram_centimeter3
static constexpr double radian = 1.
static constexpr double milliradian = 1.e-3*radian
static constexpr double degree = (3.14159265358979323846/180.0)*radian
static constexpr double steradian = 1.
static constexpr double rad = radian
static constexpr double mrad = milliradian
static constexpr double sr = steradian
static constexpr double deg = degree
static constexpr double clhep_def_density_unit = g_cm3/(0.62415185185E+19)

Detailed Description

Physical System of Units.

Author
Costas Andreopoulos <c.andreopoulos \at cern.ch> University of Liverpool
Created:\n May 03, 2004
License:\n Copyright (c) 2003-2025, The GENIE Collaboration
For the full text of the license visit http://copyright.genie-mc.org

Variable Documentation

◆ A

double genie::units::A = angstrom
staticconstexpr

Definition at line 74 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ angstrom

double genie::units::angstrom = 1.e-10*meter
staticconstexpr

Definition at line 54 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ as

double genie::units::as = attosecond
staticconstexpr

Definition at line 101 of file Units.h.

◆ attosecond

double genie::units::attosecond = 1.e-18 *second
staticconstexpr

Definition at line 91 of file Units.h.

◆ b

double genie::units::b = barn
staticconstexpr

Definition at line 78 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ barn

double genie::units::barn = 1.e-28*meter2
staticconstexpr

Definition at line 58 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ centimeter

double genie::units::centimeter = 0.01*meter
staticconstexpr

Definition at line 44 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ centimeter2

double genie::units::centimeter2 = centimeter*centimeter
staticconstexpr

Definition at line 45 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ centimeter3

double genie::units::centimeter3 = centimeter*centimeter2
staticconstexpr

Definition at line 46 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ clhep_def_density_unit

double genie::units::clhep_def_density_unit = g_cm3/(0.62415185185E+19)
staticconstexpr

Definition at line 171 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ cm

◆ cm2

double genie::units::cm2 = centimeter2
staticconstexpr

Definition at line 69 of file Units.h.

Referenced by genie::DISXSec::CacheFreeNucleonXSec(), genie::DMDISXSec::CacheFreeNucleonXSec(), genie::ReinSehgalRESXSecWithCache::CacheResExcitationXSec(), genie::ReinSehgalRESXSecWithCacheFast::CacheResExcitationXSec(), genie::SPPXSecWithCache::CacheResExcitationXSec(), CalcTotalXSec(), genie::COHKinematicsGenerator::CalculateKin_AlvarezRuso(), CheckUnitarityLimit(), genie::GMCJDriver::ComputeInteractionProbabilities(), ConvertToGRooTracker(), ConvertToGST(), ConvertToGTracker(), genie::XSecSplineList::CreateSpline(), genie::mueloss::BetheBlochModel::dE_dx(), genie::utils::gsl::d2XSec_dlog10xdlog10Q2_E::DoEval(), genie::utils::gsl::d2Xsec_dn1dn2_E::DoEval(), genie::utils::gsl::d2Xsec_dn1dn2dn3_E::DoEval(), genie::utils::gsl::d2Xsec_dQ2dv::DoEval(), genie::utils::gsl::d2XSec_dQ2dy_E::DoEval(), genie::utils::gsl::d2XSec_dQ2dydt_E::DoEval(), genie::utils::gsl::d2XSec_dWdQ2_E::DoEval(), genie::utils::gsl::d2XSec_dWdQ2_EQ2::DoEval(), genie::utils::gsl::d2XSec_dWdQ2_EW::DoEval(), genie::utils::gsl::d2XSec_dxdy_E::DoEval(), genie::utils::gsl::d2XSec_dxdy_Ex::DoEval(), genie::utils::gsl::d2XSec_dxdy_Ey::DoEval(), genie::utils::gsl::d2XSecRESFast_dWQ2_E::DoEval(), genie::utils::gsl::d3Xsec_dOmegaldThetapi::DoEval(), genie::utils::gsl::d3Xsec_dTldTkdCosThetal::DoEval(), genie::utils::gsl::d3XSec_dxdydt_E::DoEval(), genie::utils::gsl::d3XSecMK_dWQ2CosTheta_E::DoEval(), genie::utils::gsl::d4Xsec_dEldThetaldOmegapi::DoEval(), genie::utils::gsl::d4XSecMK_dWQ2CosThetaPhi_E::DoEval(), genie::utils::gsl::d5Xsec_dEldOmegaldOmegapi::DoEval(), genie::utils::gsl::dXSec_dEDNu_E::DoEval(), genie::utils::gsl::dXSec_dQ2_E::DoEval(), genie::utils::gsl::dXSec_dy_E::DoEval(), genie::CEvNSEventGenerator::GenerateKinematics(), genie::COHDNuEventGenerator::GenerateKinematics(), GetCrossSection(), genie::evtlib::EvtLibPXSec::Integral(), genie::H3AMNuGammaPXSec::Integral(), genie::AlamSimoAtharVacasSKXSec::Integrate(), genie::CEvNSXSec::Integrate(), genie::COHDNuXSec::Integrate(), genie::COHXSec::Integrate(), genie::COHXSecAR::Integrate(), genie::DFRXSec::Integrate(), genie::DISXSec::Integrate(), genie::DMDISXSec::Integrate(), genie::DMElectronXSec::Integrate(), genie::DMELXSec::Integrate(), genie::HEDISXSec::Integrate(), genie::HELeptonXSec::Integrate(), genie::IMDXSec::Integrate(), genie::NuElectronXSec::Integrate(), genie::QELXSec::Integrate(), genie::ReinSehgalRESXSec::Integrate(), genie::ReinSehgalRESXSecFast::Integrate(), genie::RESXSec::Integrate(), genie::SmithMonizQELCCXSec::Integrate(), genie::SPPXSec::Integrate(), genie::GMCJDriver::InteractionProbability(), main(), genie::KLVOxygenIBDPXSec::MakeAntiNuESpline(), genie::KLVOxygenIBDPXSec::MakeNuESpline(), genie::GHepRecord::Print(), SaveGraphsToRootFile(), SaveToPsFile(), genie::PhysInteractionSelector::SelectInteraction(), genie::QELEventGeneratorSuSA::SelectLeptonKinematics(), genie::utils::units::UnitFromString(), genie::AlvarezRusoCOHPiPXSec::XSec(), genie::KovalenkoQELCharmPXSec::XSec(), genie::PattonCEvNSPXSec::XSec(), genie::SuSAv2QELPXSec::XSec(), genie::SuSAv2QELPXSec::XSecScaling(), and genie::GEVGDriver::XSecSum().

◆ cm3

double genie::units::cm3 = centimeter3
staticconstexpr

Definition at line 70 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ decimeter

double genie::units::decimeter = 0.1*meter
staticconstexpr

Definition at line 47 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ decimeter2

double genie::units::decimeter2 = decimeter*decimeter
staticconstexpr

Definition at line 48 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ decimeter3

double genie::units::decimeter3 = decimeter*decimeter2
staticconstexpr

Definition at line 49 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ deg

double genie::units::deg = degree
staticconstexpr

Definition at line 167 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ degree

double genie::units::degree = (3.14159265358979323846/180.0)*radian
staticconstexpr

Definition at line 161 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ electronvolt

double genie::units::electronvolt = 1.e-09 *GeV
staticconstexpr

Definition at line 121 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ eV

double genie::units::eV = electronvolt
staticconstexpr

◆ femptosecond

double genie::units::femptosecond = 1.e-15 *second
staticconstexpr

Definition at line 90 of file Units.h.

◆ fermi

◆ fermi2

double genie::units::fermi2 = fermi*fermi
staticconstexpr

Definition at line 56 of file Units.h.

◆ fermi3

double genie::units::fermi3 = fermi*fermi2
staticconstexpr

Definition at line 57 of file Units.h.

◆ fm

◆ fm2

◆ fm3

double genie::units::fm3 = fermi3
staticconstexpr

Definition at line 77 of file Units.h.

◆ fs

double genie::units::fs = femptosecond
staticconstexpr

Definition at line 100 of file Units.h.

◆ g

◆ g_cm3

double genie::units::g_cm3 = gram_centimeter3
staticconstexpr

Definition at line 153 of file Units.h.

Referenced by genie::utils::prem::Density(), main(), and genie::utils::units::UnitFromString().

◆ GeV

◆ GeV2

double genie::units::GeV2 = GeV * GeV
staticconstexpr

Definition at line 133 of file Units.h.

Referenced by main().

◆ GeV3

double genie::units::GeV3 = GeV * GeV2
staticconstexpr

Definition at line 134 of file Units.h.

◆ GeV4

double genie::units::GeV4 = GeV * GeV3
staticconstexpr

Definition at line 135 of file Units.h.

◆ GeV5

double genie::units::GeV5 = GeV * GeV4
staticconstexpr

Definition at line 136 of file Units.h.

◆ GHz

double genie::units::GHz = gigahertz
staticconstexpr

Definition at line 113 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ gigaelectronvolt

double genie::units::gigaelectronvolt = 1.
staticconstexpr

Definition at line 27 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ gigahertz

double genie::units::gigahertz = 1.e+9*hertz
staticconstexpr

Definition at line 108 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ gram

double genie::units::gram = 1.e-3 *kilogram
staticconstexpr

◆ gram_centimeter3

double genie::units::gram_centimeter3 = gram / centimeter3
staticconstexpr

Definition at line 150 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ hbarc

double genie::units::hbarc = 1.973269804e-16
staticconstexpr

Definition at line 34 of file Units.h.

◆ hertz

double genie::units::hertz = 1./second
staticconstexpr

Definition at line 105 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ Hz

double genie::units::Hz = hertz
staticconstexpr

Definition at line 110 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ keV

double genie::units::keV = kiloelectronvolt
staticconstexpr

Definition at line 128 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kg

double genie::units::kg = kilogram
staticconstexpr

Definition at line 143 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kg_m3

double genie::units::kg_m3 = kilogram_meter3
staticconstexpr

Definition at line 152 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kHz

double genie::units::kHz = kilohertz
staticconstexpr

Definition at line 111 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kiloelectronvolt

double genie::units::kiloelectronvolt = 1.e+03 *electronvolt
staticconstexpr

Definition at line 122 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kilogram

◆ kilogram_meter3

double genie::units::kilogram_meter3 = kilogram / meter3
staticconstexpr

Definition at line 149 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kilohertz

double genie::units::kilohertz = 1.e+3*hertz
staticconstexpr

Definition at line 106 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ kilometer

double genie::units::kilometer = 1000.*meter
staticconstexpr

Definition at line 40 of file Units.h.

◆ km

◆ kSpeedOfLight

double genie::units::kSpeedOfLight = 2.99792458e+08
staticconstexpr

◆ m

◆ m2

double genie::units::m2 = meter2
staticconstexpr

◆ m3

double genie::units::m3 = meter3
staticconstexpr

Definition at line 73 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ mb

◆ megaelectronvolt

double genie::units::megaelectronvolt = 1.e+06 *electronvolt
staticconstexpr

Definition at line 123 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ megahertz

double genie::units::megahertz = 1.e+6*hertz
staticconstexpr

Definition at line 107 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ meter

◆ meter2

double genie::units::meter2 = meter*meter
staticconstexpr

Definition at line 50 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ meter3

◆ MeV

◆ mg

double genie::units::mg = milligram
staticconstexpr

Definition at line 145 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ MHz

double genie::units::MHz = megahertz
staticconstexpr

Definition at line 112 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ microbarn

double genie::units::microbarn = 1.e-6 *barn
staticconstexpr

Definition at line 60 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ micrometer

double genie::units::micrometer = 1.e-6 *meter
staticconstexpr

Definition at line 52 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ microsecond

double genie::units::microsecond = 1.e-06 *second
staticconstexpr

Definition at line 87 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ millibarn

double genie::units::millibarn = 1.e-3 *barn
staticconstexpr

Definition at line 59 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ milligram

double genie::units::milligram = 1.e-3 *gram
staticconstexpr

Definition at line 141 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ millimeter

◆ millimeter2

double genie::units::millimeter2 = millimeter*millimeter
staticconstexpr

Definition at line 42 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ millimeter3

double genie::units::millimeter3 = millimeter*millimeter2
staticconstexpr

Definition at line 43 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ milliradian

double genie::units::milliradian = 1.e-3*radian
staticconstexpr

Definition at line 160 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ millisecond

double genie::units::millisecond = 1.e-03 *second
staticconstexpr

Definition at line 86 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ mm

◆ mm2

double genie::units::mm2 = millimeter2
staticconstexpr

Definition at line 66 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ mm3

double genie::units::mm3 = millimeter3
staticconstexpr

Definition at line 67 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ mrad

double genie::units::mrad = milliradian
staticconstexpr

Definition at line 165 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ ms

double genie::units::ms = millisecond
staticconstexpr

Definition at line 96 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ nanobarn

double genie::units::nanobarn = 1.e-9 *barn
staticconstexpr

Definition at line 61 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ nanometer

double genie::units::nanometer = 1.e-9 *meter
staticconstexpr

Definition at line 53 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ nanosecond

double genie::units::nanosecond = 1.e-09 *second
staticconstexpr

Definition at line 88 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ nb

double genie::units::nb = nanobarn
staticconstexpr

Definition at line 81 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ ns

◆ pb

double genie::units::pb = picobarn
staticconstexpr

Definition at line 82 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ petaelectronvolt

double genie::units::petaelectronvolt = 1.e+15 *electronvolt
staticconstexpr

Definition at line 125 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ PeV

double genie::units::PeV = petaelectronvolt
staticconstexpr

Definition at line 131 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ picobarn

double genie::units::picobarn = 1.e-12*barn
staticconstexpr

Definition at line 62 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ picosecond

double genie::units::picosecond = 1.e-12 *second
staticconstexpr

Definition at line 89 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ ps

double genie::units::ps = picosecond
staticconstexpr

Definition at line 99 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ qe

double genie::units::qe = 1.
staticconstexpr

Definition at line 117 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ qe_coulomb

double genie::units::qe_coulomb = 1.602176634e-19
staticconstexpr

Definition at line 33 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ rad

double genie::units::rad = radian
staticconstexpr

Definition at line 164 of file Units.h.

Referenced by ReadInConfig(), and genie::utils::units::UnitFromString().

◆ radian

double genie::units::radian = 1.
staticconstexpr

Definition at line 159 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ s

◆ second

◆ sr

double genie::units::sr = steradian
staticconstexpr

Definition at line 166 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ steradian

double genie::units::steradian = 1.
staticconstexpr

Definition at line 162 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ teraelectronvolt

double genie::units::teraelectronvolt = 1.e+12 *electronvolt
staticconstexpr

Definition at line 124 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ TeV

double genie::units::TeV = teraelectronvolt
staticconstexpr

Definition at line 130 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ ub

◆ us

double genie::units::us = microsecond
staticconstexpr

Definition at line 97 of file Units.h.

Referenced by genie::utils::units::UnitFromString().

◆ yoctosecond

double genie::units::yoctosecond = 1.e-24 *second
staticconstexpr

Definition at line 93 of file Units.h.

◆ ys

double genie::units::ys = yoctosecond
staticconstexpr

Definition at line 103 of file Units.h.

◆ zeptosecond

double genie::units::zeptosecond = 1.e-21 *second
staticconstexpr

Definition at line 92 of file Units.h.

◆ zs

double genie::units::zs = zeptosecond
staticconstexpr

Definition at line 102 of file Units.h.