Acts::PhysicalConstants Namespace Reference

Variables
constexpr double	c = 1.0
constexpr double	hbar

Detailed Description

Physical constants in native units.

Unit constants are intentionally not listed.

Variable Documentation

constexpr double Acts::PhysicalConstants::c = 1.0

Definition at line 257 of file Units.hpp.

View newest version in sPHENIX GitHub at line 257 of file Units.hpp

Referenced by testing::gmock_generated_actions_test::ACTION_P3(), adaptiveSimpsons(), adaptiveSimpsonsAux(), MultiArray< TVector3 >::Add(), Acts::Python::addDetector(), Acts::Python::addDigitization(), Acts::Python::addExampleAlgorithms(), Acts::Python::addExaTrkXTrackFinding(), Acts::Python::addFramework(), Acts::Python::addJson(), Acts::Python::addMaterial(), Acts::Python::addOutput(), Acts::Python::addPropagation(), Acts::Python::addSvg(), Acts::Python::addTrackFinding(), Acts::Python::addTruthTracking(), ALICEKF::ALICEKalmanFilter(), ActsAlignment::AlignmentErrorCategory(), ana_starlight(), AnalyticFieldModel::AnalyticFieldModel(), RecoConversionEval::approachDistance(), Conversion::approachDistance(), testing::gmock_more_actions_test::Foo::Binary(), BOOST_AUTO_TEST_CASE(), Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::Test::BOOST_FIXTURE_TEST_CASE(), broadcast(), KFParticle_eventReconstruction::buildChain(), Acts::Legacy::AtlasSeedFinder< SpacePoint >::buildFrameWork(), PHTruthSiliconAssociation::buildTrackSeed(), PHTruthTrackSeeding::buildTrackSeed(), calc_mxj(), Fluid::calcTotals(), Polyhedron::calculate_centroid(), Polyhedron::calculate_normal(), CBfitter(), GPUTPCTrackParam::CheckNumericalQuality(), TrackFitUtils::circle_circle_intersection(), FastJetAlgo::cluster_and_fill(), cluster_resolution(), Acts::Experimental::KdtSurfaces< kDIM, bSize, reference_generator >::cog(), command_execute(), testing::gmock_generated_actions_test::Concat(), Cone_Plots(), Acts::GenericCuboidVolumeBounds::construct(), Acts::ConvexPolygonBoundsBase::convex_impl(), trento::correct_a(), groot::CreateZigzags(), cs_base64_decode(), cs_base64_emit_chunk(), cs_sha1_final(), cs_sha1_transform(), PHSimpleVertexFinder::dcaTwoLines(), oncsSub_idsis3300r::decode(), oncsSub_idsrs_v01::decode(), Packet_iddigitizerv3::decode_FEM(), hcal::Display(), Acts::Experimental::Blueprint::Node::dotStream(), Acts::GenericCuboidVolumeBounds::draw(), Acts::AxisAlignedBoundingBox< entity_t, value_t, DIM >::draw(), draw_acts_eval(), Draw_BDiJetImbalance(), draw_demoplot(), draw_hists(), oncsSub_iddigitizerv1::dump(), Packet_iddigitizerv2::dump(), Packet_iddigitizerv3::dump(), Packet_idll1v1::dump(), oncsSub_idtpcfeev1::dump(), Packet_id4scaler::dump(), PgPostBankBackupManager::dumpTable(), EMCalDeadmap(), ActsExamples::HitsPrinter::execute(), ActsExamples::TrackFindingAlgorithmExaTrkX::execute(), genfit::RKTrackRep::extrapolateToCone(), genfit::RKTrackRep::extrapolateToCylinder(), FEEDataSize(), FillHoughHist(), groot::FillZigzagMaps(), ActsExamples::TrackFindingAlgorithm::finalize(), sHelix::findFirstInterceptTo(), SecondaryVertexFinder::findPcaTwoLines(), KshortReconstruction::findPcaTwoTracks(), fjetResol(), msg_buffer::format(), Acts::detail::freeToCurvilinearJacobian(), Packet_w1::gdump(), oncsSubevent_w1::gdump(), Acts::Test::genclusterw(), AnnularFieldSim::GenerateDistortionMaps(), AnnularFieldSim::GenerateSeparateDistortionMaps(), MultiArray< TVector3 >::Get(), ParticleFlowJetInput::get_input(), ODBCResultSet::GetAsciiStream(), ODBCResultSet::GetBinaryStream(), ActsExamples::DigitizationConfig::getBoundIndices(), AnnularFieldSim::GetCellCenter(), KFParticleBaseSIMD::GetDistanceToVertexLine(), KFParticleBase::GetDStoPointBz(), KFParticleBaseSIMD::GetDStoPointBz(), KFParticleBase::GetEta(), KFParticleBaseSIMD::GetEta(), AnnularFieldSim::GetGroupCellCenter(), PHG4HcalDetector::GetLength(), ALICEKF::GetLineClusterResiduals(), TrackFitUtils::getLineClusterResiduals(), CaloAna::Getpeaktime(), CaloValid::Getpeaktime(), BbcCheck::Getpeaktime(), MultiArray< TVector3 >::GetPtr(), Martini::getRateElasNeg(), Martini::getRateElasPos(), Martini::getRateElasTotal(), AnnularFieldSim::GetRoiCellCenter(), stack::getStackTrack(), getvalueshlle_(), getvischlle_(), AnnularFieldSim::GetWeightedCellCenter(), Acts::Test::hash(), PgPostBankBackupManager::HashPdbCalChan(), buffer::i22swap(), oncsBuffer::i22swap(), buffer::i2swap(), oncsBuffer::i2swap(), buffer::i4swap(), oncsBuffer::i4swap(), icsethlle_(), caen_correction::init(), Polygon::init(), intercept(), Acts::CylinderSurface::intersectionSolver(), Hydro::ISformal(), oncsSub_idcstr::iValue(), Packet_idcstr::iValue(), Packet_id4scaler::iValue(), Jet_reso(), Jet_reso_Iso(), log_gamma_function(), main(), QPileUpToy::Make(), Acts::make_error_code(), Acts::Experimental::make_error_code(), ActsFatras::make_error_code(), makeDefaultBoundPars(), makePlaneFromTriplet(), Acts::SingleSeedVertexFinder< spacepoint_t >::makePlaneFromTriplet(), md5_process(), PHG4Utils::md5sum(), MD5Transform(), Acts::detail::mergeComponents(), ActsAlignment::detail::AlignmentErrorCategory::message(), mg_add_conn(), mg_parse_address(), mg_resolve_from_hosts_file(), InttMon::MiscDebug(), Acts::BetheHeitlerApproxSingleCmp::mixture(), Acts::AtlasBetheHeitlerApprox< NComponents, PolyDegree >::mixture(), MultiArray< TVector3 >::MultiArray(), DecayFinder::multiplyVectorByScalarAndSort(), noiPause(), Hydro::NSquant(), Acts::Sycl::detail::TripletFilter::operator()(), Acts::GenericCuboidVolumeBounds::orientedSurfaces(), Fluid::outputGnuplot(), gzstreambuf::overflow(), parse_net(), DecayFinder::parseDecayDescriptor(), KFParticle_sPHENIX::parseDecayDescriptor(), Acts::Python::patchKwargsConstructor(), Hydro::performStep(), plot(), plot_histos(), Plot_Hit_Count(), plot_matscan(), plot_matscan_tdr(), Plot_Measured_Energy_EMC(), AnnularFieldSim::PlotFieldSlices(), testing::internal::PrintAsCharLiteralTo(), testing::internal::PrintAsStringLiteralTo(), testing::internal::PrintCharAndCodeTo(), testing::internal::PrintTo(), PHHybridSeeding::Process(), SepdMon::process_event(), CemcMon::process_event(), RecoInfoExport::process_event(), ZdcMon::process_event(), HcalMon::process_event(), TrackSeedTrackMapConverter::process_event(), MvtxMonDraw::PublishHistogram(), daq_device_file::put_data(), PYBIND11_MODULE(), Acts::KDTree< 3, int, double >::rangeSearchInserterWithKey(), Acts::KDTree< 3, int, double >::rangeSearchMapInserter(), RDBCemp(), ActsExamples::CsvPlanarClusterReader::read(), readJetTree(), ActsExamples::EDM4hepUtil::readMeasurement(), rebin_TH1D(), KFParticleBase::RotateXY(), KFParticleBaseSIMD::RotateXY(), PHG4TpcCentralMembrane::SearchModule(), SectorDataSize(), MultiArray< TVector3 >::Set(), PHG4CylinderGeom_Spacalv1::set_config(), PseudoJetPlusUserInfoBase::SetCharge(), KFPTrack::SetCovariance(), genfit::Track::setCovSeed(), IC::setIC(), ICGubser::setIC(), ICGlauber::setIC(), KFParticleBase::SetMassConstraint(), KFParticleBaseSIMD::SetMassConstraint(), Cell::setNext(), Hydro::setNSvalues(), Cell::setPrev(), PHG4HcalSubsystem::SetTiltViaNcross(), TPCHitTrackDisplay::SimulationOut(), sixPoint2dInterp(), Hydro::source_step(), sPHENIXplots(), strnstr(), strptime(), TEST(), testing::gmock_generated_actions_test::TEST(), testing::gmock_matchers_test::TEST(), test_combined_bound_state_function(), test_combined_curvilinear_state_function(), Acts::Test::MultiTrajectoryTestsCommon< factory_t >::testMultiTrajectoryExtraColumnsRuntime(), Acts::Test::TestTrackState::TestTrackState(), Acts::detail_vmt::VectorMultiTrajectoryBase::Statistics::toStream(), MvtxStandaloneTracking::TrackFitXY(), MvtxStandaloneTracking::TrackFitZY(), KFParticleBase::TransportBz(), KFParticleBaseSIMD::TransportBz(), KFParticleBase::TransportCBM(), KFParticleBaseSIMD::TransportCBM(), buffer::u4swap(), Acts::Experimental::updateCandidates(), Fluid::updateM(), Hydro::visc_source_step(), ActsExamples::EDM4hepUtil::writeMeasurement(), ActsExamples::CsvPlanarClusterWriter::writeT(), ActsExamples::CsvMeasurementWriter::writeT(), ActsExamples::RootMeasurementWriter::writeT(), ActsExamples::EDM4hepUtil::writeTrajectory(), and simpleRandom::xMD5Transform().

constexpr double Acts::PhysicalConstants::hbar

Initial value:

=
    6.582119569509066e-25 * UnitConstants::GeV * UnitConstants::s

Reduced Planck constant h/2*pi.

Computed from CODATA 2018 constants to double precision.

Definition at line 261 of file Units.hpp.

View newest version in sPHENIX GitHub at line 261 of file Units.hpp

Referenced by BOOST_AUTO_TEST_CASE().