pacs

00.GENERALmunication,education,history,and philosophy01.10.؊m Announcements,news,andorganizational activities01.10.Cr Announcements,news,and awards 01.10.Fv Conferences,lectures,and institutes 01.10.Hx Physics organizational activities01.20.؉x Communication forms andtechniques…written,oral,electronic,etc.…01.30.؊y Physics literature andpublications01.30.Bb Publications of lectures͑advancedinstitutes,summer schools,etc.͒ Conference proceedings01.30.Ee Monographs and collections01.30.Kj Handbooks,dictionaries,tables,anddata compilations01.30.Mm Textbooks for graduates andresearchers01.30.Pp Textbooks for undergraduates01.30.Rr Surveys and tutorial papers;resource letters01.30.Tt Bibliographies01.30.Vv Book reviews01.30.Xx Publications in electronic media(for the topic of elctronic publishing,see01.20)01.40.؊d Education01.40.Di Course design and evaluation01.40.Ej Science in elementary andsecondary school01.40.Fk Physics education research͑cognition,problem solving,etc.͒01.40.Gm Curricula;teaching methods,strategies,theory of testing,evaluation01.40.Jp Teacher training01.50.؊i Educational aids01.50.Fr Audio and visual aids,films01.50.Ht Instructional computer use01.50.Kw Techniques of testing01.50.Lc Laboratory computer use(see also01.50.P)01.50.My Demonstration experiments andapparatus01.50.Pa Laboratory experiments andapparatus(see also0.1.50.L)01.50.Qb Laboratory course design,organization,and evaluation01.50.Wg Physics of toys01.52.؉r National and internationallaboratory facilities01.55.؉b General physics01.60.؉q Biographies,tributes,personalnotes,and obituaries 01.65.؉g History of science01.70.؉w Philosophy of science01.75.؉m Science and society(for scienceand government,see01.78)01.78.؉p Science and government…funding,politics,etc.…01.80.؉b Physics of sports01.90.؉g Other topics of general interest…restricted to new topics in section01…02.Mathematical methods inphysics02.10.؊v Logic,set theory,and algebra02.10.By Logic and foundations02.10.Cz Set theory02.10.Eb Combinatorics02.10.Gd Order,lattices,and orderedalgebraic structures02.10.Jf General mathematical systems02.10.Lh Number theory02.10.Nj Algebraic number theory,fieldtheory,and polynomials02.10.Pk Commutative rings and algebras02.10.Rn Algebraic geometry02.10.Sp Linear and multilinear algebra;matrix theory͑finite and infinite͒02.10.Tq Associative rings and algebras02.10.Vr Nonassociative rings and algebras02.10.Ws Category theory and homologicalalgebra02.20.؊a Group theory(for algebraicmethods in quantum mechanics,see03.65.F;for symmetries inelementary particle physics,see11.30)02.20.Df Finite groups02.20.Fh Infinite groups02.20.Hj Classical linear algebraic groups02.20.Km Abelian groups02.20.Mp Semigroups02.20.Nq Topological groups,general02.20.Qs General properties,structure,andrepresentation of Lie groups02.20.Rt Discrete subgroups of Lie groups02.20.Sv Lie algebras of Lie groups02.20.Tw Infinite-dimensional Lie groups02.30.؊f Function theory,analysis02.30.Bi Real functions02.30.Cj Measure and integration02.30.Dk Functions of a complex variable02.30.Em Potential theory02.30.Fn Several complex variables andanalytic spaces02.30.Gp Special functions02.30.Hq Ordinary differential equations02.30.Jr Partial differential equations02.30.Ks Delay and functional equations02.30.Lt Sequences,series,and summability02.30.Mv Approximations and expansions02.30.Nw Fourier analysis02.30.Px Abstract harmonic analysis02.30.Qy Integral transforms and operationalcalculus02.30.Rz Integral equations02.30.Sa Functional analysis02.30.Tb Operator theory02.30.Wd Calculus of variations and optimalcontrol02.40.؊k Geometry,differential geometry,and topology(see also04Relativityand gravitation)02.40.Dr Euclidean and projective geometries02.40.Ft Convex sets and geometricinequalities02.40.Hw Classical differential geometry02.40.Ky Riemannian geometries02.40.Ma Global differential geometry02.40.Pc General topology02.40.Re Algebraic topology02.40.Sf Manifolds and cell complexes02.40.Vh Global analysis and analysis onmanifolds02.50.؊r Probability theory,stochasticprocesses,and statistics(see also05Statistical physics,thermodynamics,and nonlineardynamical systems)02.50.Cw Probability theory02.50.Ey Stochastic processes02.50.Fz Stochastic analysis02.50.Ga Markov processes02.50.Hb Queuing theory02.50.Kd Foundations of statistics;sufficiency02.50.Le Decision theory and game theory02.50.Ng Distribution theory and MonteCarlo studies02.50.Ph Parametric inference02.50.Rj Nonparametric inference02.50.Sk Multivariate analysis02.50.Vn Linear inference02.50.Wp Inference from stochastic processes02.60.؊x Numerical approximation andanalysis02.60.Cb Numerical simulation;solution ofequations02.60.Dc Numerical linear algebra02.60.Ed Interpolation;curvefitting02.60.Gf Algorithms for functionalapproximation102.60.Jh Numerical differentiation andintegration02.60.Lj Ordinary and partial differentialequations;boundary value problems 02.60.Nm Integral and integrodifferentialequations02.60.Pn Numerical optimization02.70.؊c Computational techniques(forquantum computation,see03.67.L) 02.70.Bf Finite-difference methods02.70.Dh Finite-element and Galerkinmethods02.70.Fj Finite-volume methods02.70.Hm Spectral methods02.70.Jn Collocation methods02.70.Lq Monte Carlo and statistical methods 02.70.Ns Molecular dynamics and particlemethods02.70.Pt Boundary-integral methods02.90.؉p Other topics in mathematicalmethods in physics…restricted tonew topics in section02…03.Quantum mechanics,fieldtheories,and special relativity(see also11General theory offieldsand particles)03.30.؉p Special relativity03.50.؊z Classicalfield theories03.50.De Classical electromagnetism,Maxwell equations(for appliedclassical electromagnetism,see41.20)03.50.Kk Other special classicalfield theories 03.65.؊w Quantum mechanics(see also05.30Quantum statisticalmechanics)03.65.Bz Foundations,theory ofmeasurement,miscellaneoustheories͑includingAharonov–Bohm effect,Bellinequalities,Berry’s phase͒03.65.Ca Formalism03.65.Db Functional analytical methods03.65.Fd Algebraic methods(see also02.20Group theory)03.65.Ge Solutions of wave equations:boundstates03.65.Nk Nonrelativistic scattering theory 03.65.Pm Relativistic wave equations03.65.Sq Semiclassical theories andapplications03.67.؊a Quantum information03.67.Dd Quantum cryptography03.67.Hk Quantum communication03.67.Lx Quantum computation03.70.؉k Theory of quantizedfields(seealso11.10Field theory)03.75.؊b Matter waves(for atominterferometry techniques,see39.20—in atomic and molecularphysics)03.75.Be Atom and neutron optics03.75.Dg Atom and neutron interferometry03.75.Fi Phase coherent atomic ensembles;quantum condensation phenomena04.General relativity andgravitation(see also95.30.H inastronomy)••••Special relativity,see03.3004.20.؊q Classical general relativity(seealso02.40Geometry and topology)04.20.Cv Fundamental problems and generalformalism04.20.Dw Singularities and cosmic censorship04.20.Ex Initial value problem,existence anduniqueness of solutions04.20.Fy Canonical formalism,Lagrangians,and variational principles04.20.Gz Spacetime topology,causalstructure,spinor structure04.20.Ha Asymptotic structure04.20.Jb Exact solutions04.25.؊g Approximation methods;equations of motion04.25.Dm Numerical relativity04.25.Nx Post-Newtonian approximation;perturbation theory;relatedapproximations04.30.؊w Gravitational waves:theory04.30.Db Wave generation and sources04.30.Nk Wave propagation and interactions04.40.؊b Self-gravitating systems;continuous media and classicalfields in curved spacetime04.40.Dg Relativistic stars:structure,stability,and oscillations(see also97.60Late stages of stellarevolution)04.40.Nr Einstein–Maxwell spacetimes,spacetimes withfluids,radiation orclassicalfields04.50.؉h Gravity in more than fourdimensions,Kaluza–Klein theory,unifiedfield theories;alternativetheories of gravity(see also11.25.M Compactification and four-dimensional models)04.60.؊m Quantum gravity04.60.Ds Canonical quantization04.60.Gw Covariant and sum-over-historiesquantization04.60.Kz Lower dimensional models;minisuperspace models04.60.Nc Lattice and discrete methods04.62.؉v Quantumfield theory in curvedspacetime04.65.؉e Supergravity(see also12.60.JSupersymmetric models)04.70.؊s Physics of black holes(see also97.60.L—in astronomy)04.70.Bw Classical black holes04.70.Dy Quantum aspects of black holes,evaporation,thermodynamics04.80.؊y Experimental studies of gravity Experimental tests of gravitationaltheories04.80.Nn Gravitational wave detectors andexperiments(see also95.55.Y—inastronomy)04.90.؉e Other topics in general relativityand gravitation…restricted to newtopics in section04…05.Statistical physics,thermodynamics,and nonlineardynamical systems(see also02.50Probability theory,stochasticprocesses,and statistics)05.10.؊a Computational methods instatistical physics and nonlineardynamics(see also02.70inmathematical methods in physics) Renomalization group methods05.10.Gg Stochastic analysis methods͑Fokker-Planck,Langevin,etc.͒05.10.Ln Monte Carlo methods05.20.؊y Classical statistical mechanics05.20.Dd Kinetic theory05.20.Gg Classical ensemble theory05.20.Jj Statistical mechanics of classicalfluids(see also47.10Generaltheory influid dynamics)05.30.؊d Quantum statistical mechanics05.30.Ch Quantum ensemble theory05.30.Fk Fermion systems and electron gas(see also71.10Theories and modelsof many electron systems)05.30.Jp Boson systems(for Bose-Einsteincondensation,see03.75.F)05.30.Pr Fractional statistics systems͑anyons,etc.͒05.40.؊a Fluctuation phenomena,randomprocesses,noise,and Brownianmotion05.40.Ca Noise05.40.Fb Random walks and Levyflights05.40.Jc Brownian motion05.45.؊a Nonlinear dynamics andnonlinear dynamical systems(seealso45Classical mechanics ofdiscrete systems)05.45.Ac Low-dimensional chaos05.45.Df Fractals(see also47.53Fractals inFluid dynamics)205.45.Gg Control of chaos,applications ofchaos05.45.Jn High-dimensional chaos05.45.Mt Semiclassical chaos͑‘‘quantumchaos’’͒05.45.Pq Numerical simulations of chaoticmodels05.45.Ra Coupled map lattices05.45.Tp Time series analysis05.45.Vx Communication using chaos05.45.Xt Synchronization;coupled oscillators 05.45.Yv Solitons(see52.35.S for solitons inPlasma;43.25.R for solitons inAcoustics;42.50.M,42.65.T,42.81.D for solitons in Optics) 05.50.؉q Lattice theory and statistics…Ising,Potts,etc.…(see also64.60.COrder–disorder transformationsand statistical mechanics of modelsystems and75.10.H Classical spinmodels)05.60.؊k Transport processes05.60.Cd Classical transport05.60.Gg Quantum transport05.65.؉b Self-organized systems(see also45.70in classical mechanics ofdiscrete systems)05.70.؊a Thermodynamics(see also64Equations of state,phase equilibria,and phase transitions,and65Thermal properties of condensedmatter;for chemicalthermodynamics,see82.60)05.70.Ce Thermodynamic functions andequations of state05.70.Fh Phase transitions:general studies 05.70.Jk Critical point phenomena05.70.Ln Nonequilibrium and irreversiblethermodynamics(see also82.20.MNonequilibrium kinetics,and82.40.B Oscillations,chaos,andbifurcations in homogeneousnonequilibrium reactors)05.70.Np Interface and surfacethermodynamics(see also82.65.DThermodynamics of surfaces andinterfaces in physical chemistry) 05.90.؉m Other topics in statistical physics,thermodynamics,and nonlineardynamical systems…restricted tonew topics in section05…06.Metrology,measurements,andlaboratory procedures06.20.؊f Metrology06.20.Dk Measurement and error theory 06.20.Fn Units and standards06.20.Jr Determination of fundamentalconstants 06.30.؊k Measurements common to severalbranches of physics andastronomy06.30.Bp Spatial dimensions͑e.g.,position,lengths,volume,angles,displacements,including nanometer-scale displacements͒06.30.Dr Mass and density06.30.Ft Time and frequency06.30.Gv Velocity,acceleration,and rotation06.60.؊c Laboratory procedures06.60.Ei Sample preparation͑includingdesign of sample holders͒06.60.Jn High-speed techniques͑microsecond to femtosecond͒06.60.Mr Testing and inspecting procedures06.60.Sx Positioning and alignment;manipulating,remote handling06.60.Vz Workshop procedures͑welding,machining,lubrication,bearings,etc.͒06.60.Wa Laboratory safety procedures••••National and internationallaboratory facilities,see01.5206.90.؉v Other topics in metrology,measurements,and laboratoryprocedures…restricted to newtopics in section06…07.Instruments,apparatus,components,and techniquescommon to several branches ofphysics and astronomy(see alsoeach subdiscipline for specializedinstrumentation and techniques)07.05.؊t Computers in experimentalphysics••••Computers in physics education,see01.50.H and01.50.L••••Computational techniques,see02.70—in mathematical methods inphysics••••Quantum computation,see03.67.Lin quantum mechanics07.05.Bx Computer systems:hardware,operating systems,computerlanguages,and utilities07.05.Dz Control systems07.05.Fb Design of experiments07.05.Hd Data acquisition:hardware andsoftware07.05.Kf Data analysis:algorithms andimplementation;data management07.05.Mh Neural networks,fuzzy logic,artificial intelligence07.05.Pj Image processing(see also42.30.Vin optics;87.57Medical imaging:general—in biological and medicalphysics)07.05.Rm Data presentation and visualization:algorithms and implementation07.05.Tp Computer modeling and simulation07.05.Wr Computer interfaces07.07.؊a General equipment andtechniques07.07.Df Sensors͑chemical,optical,electrical,movement,gas,etc.͒;remote sensing07.07.Hj Display and recording equipment,oscilloscopes,TV cameras,etc.07.07.Mp Transducers07.07.Tw Servo and control equipment;robots07.07.Vx Hygrometers07.10.؊h Mechanical instruments,equipment,and techniques07.10.Cm Micromechanical devices andsystems07.10.Fq Vibration isolation07.10.Lw Balance systems,tensile machines,etc.07.10.Pz Instruments for strain,force,andtorque07.20.؊n Thermal instruments,apparatus,and techniques07.20.Dt Thermometry07.20.Fw Calorimetry07.20.Hy Furnaces;heaters07.20.Ka High-temperature techniques andinstrumentation;pyrometry07.20.Mc Cryogenics,refrigerators;low-temperature techniques07.20.Pe Heat engines;heat pumps07.30.؊t Vacuum apparatus andtechniques07.30.Bx Degasification,residual gas07.30.Cy Vacuum pumps07.30.Dz Vacuum gauges07.30.Hd Vacuum testing methods;leakdetectors07.30.Kf Vacuum chambers,auxiliaryapparatus,and materials07.35.؉k High-pressure apparatus andtechniques;shock tubes;diamondanvil cells07.50.؊e Electrical and electroniccomponents,instruments,andtechniques07.50.Ek Circuits and circuit components(see also84.30Electronic circuitsand84.32Passive circuitcomponents)07.50.Hp Electrical noise and shielding,interference07.50.Ls Electrometers07.50.Qx Signal processing electronics(seealso84.40.U—in radiowave andmicrowave technology)07.55.؊w Magnetic components,instruments and techniques307.55.Db Generation of magneticfields;magnets07.55.Ge Magnetometers for magneticfieldmeasurements07.55.Jg Magnetometers for susceptibility,magnetic moment,andmagnetization measurements07.55.Nk Magnetic shielding in instruments 07.57.؊c Infrared,submillimeter wave,microwave and radiowaveinstruments,equipment andtechniques(for infrared and radiotelescopes,see95.55)07.57.Hm Infrared,submillimeter wave,microwave,and radiowave sources 07.57.Kp Bolometers;infrared,submillimeterwave,microwave,and radiowavereceivers and detectors(see also85.60.G Photodetectors in electronicand magnetic devices,and95.55.RPhotoconductors and bolometers inastronomy)07.57.Pt Submillimeter wave,microwaveand radiowave spectrometers;magnetic resonance spectrometers,auxiliary equipment,and techniques 07.57.Ty Infrared spectrometers,auxiliaryequipment,and techniques07.60.؊j Optical instruments,equipment,and techniques ••••Optical sources,see42.72••••Optical elements,devices,andsystems42.79••••Optoelectric devices85.60••••Optical telescopes,see95.5507.60.Dq Photometers,radiometers,andcolorimeters 07.60.Fs Polarimeters and ellipsometers07.60.Hv Refractometers and reflectometers07.60.Ly Interferometers07.60.Pb Conventional optical microscopes(for near-field scanning opticalmicroscopes,see07.79.F;for x-raymicroscopes,see07.85.T)07.60.Rd Visible and ultravioletspectrometers07.60.Vg Fiber-optic instruments(see also42.81Fiber optics-in optics)07.64.؉z Acoustic instruments,equipment,and techniques(see also43.58—inacoustics appendix)07.68.؉m Photography,photographicinstruments and techniques;xerography07.75.؉h Mass spectrometers and relatedtechniques07.77.؊n Atomic,molecular,and charged-particle sources and detectors07.77.Gx Atomic and molecular beamsources and detectors07.77.Ka Charged-particle beam sources anddetectors07.78.؉s Electron,positron,and ionmicroscopes,electrondiffractometers,and relatedtechniques07.79.؊v Scanning probe microscopes,components,and techniques(for x-ray microscopes,see07.85.T)07.79.Cz Scanning tunneling microscopes07.79.Fc Near-field scanning opticalmicroscopes07.79.Lh Atomic force microscopes07.79.Pk Magnetic force microscopes07.79.Sp Friction force microscopes07.81.؉a Electron,ion spectrometers,andrelated techniques07.85.؊m X-and␥-ray instruments andtechniques(for x-and␥-raytelescopes,see95.55.K)07.85.Fv X-and␥-ray sources,mirrors,gratings,and detectors07.85.Jy Diffractometers07.85.Nc X-ray and␥-ray spectrometers07.85.Qe Synchrotron radiationinstrumentation07.85.Tt X-ray microscopes07.87.؉v Spaceborne and space researchinstruments,apparatus,andcomponents…satellites,spacevehicles,etc.…(For aeronomy andmagnetospheric instrumentation,see94.80;see also95.55Astronomicaland space-research instrumentation)07.88.؉y Instruments for environmentalpollution measurements07.89.؉b Environmental effects oninstruments…e.g.,radiation andpollution effects…07.90.؉c Other topics in instruments,apparatus,components,andtechniques common to severalbranches of physics andastronomy…restricted to newtopics in section07…410.THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS(for cosmic rays,see96.40;forexperimental methods and instrumentation for elementary-particle physics,see29)11.General theory offields andparticles(see also03.65Quantummechanics,03.70Theory of quantizedfields)11.10.؊z Field theory(for gaugefieldtheories,see11.15)11.10.Cd Axiomatic approach11.10.Ef Lagrangian and Hamiltonianapproach11.10.Gh Renormalization11.10.Hi Renormalization group evolution ofparameters11.10.Jj Asymptotic problems and properties 11.10.Kk Field theories in dimensions otherthan four(see also04.50Gravity inmore than four dimensions;04.60.K Lower dimensional modelsin quantum gravity)11.10.Lm Nonlinear or nonlocal theories andmodels(see also11.27Extendedclassical solutions;cosmic strings,domain walls,texture)11.10.St Bound and unstable states;Bethe–Salpeter equations11.10.Wx Finite-temperaturefield theory––––Relativistic wave equations,see03.65.P11.15.؊q Gaugefield theories11.15.Bt General properties of perturbationtheory11.15.Ex Spontaneous breaking of gaugesymmetries11.15.Ha Lattice gauge theory(see also12.38.G Lattice QCD calculations) 11.15.Kc Classical and semiclassicaltechniques11.15.Me Strong-coupling expansions11.15.Pg Expansions for large numbers ofcomponents͑e.g.,1/N c expansions͒ Other nonperturbative techniques 11.25.؊w Theory of fundamental strings 11.25.Db Properties of perturbation theory 11.25.Hf Conformalfield theory,algebraicstructures11.25.Mj Compactification and four-dimensional models11.25.Pm Noncritical string theory11.25.Sq Nonperturbative techniques;stringfield theory11.27.؉d Extended classical solutions;cosmic strings,domain walls,texture(see also98.80.C incosmology)11.30.؊j Symmetry and conservation laws(see also02.20Group theory) 11.30.Cp Lorentz and Poincare´invariance 11.30.Er Charge conjugation,parity,timereversal,and other discretesymmetries11.30.Fs Global symmetries͑e.g.,baryonnumber,lepton number͒11.30.Hv Flavor symmetries11.30.Ly Other internal and highersymmetries11.30.Na Nonlinear and dynamicalsymmetries͑spectrum-generatingsymmetries͒11.30.Pb Supersymmetry(see also12.60.JSupersymmetric models)11.30.Qc Spontaneous and radiativesymmetry breaking11.30.Rd Chiral symmetries11.40.؊q Currents and their properties11.40.Dw General theory of currents11.40.Ex Formal properties of currentalgebras(see also12.39.F ChiralLagrangians)11.40.Ha Partially conserved axial-vectorcurrents11.55.؊m S-matrix theory;analyticstructure of amplitudes11.55.Bq Analytic properties of S matrix11.55.Ds Exact S matrices11.55.Fv Dispersion relations11.55.Hx Sum rules11.55.Jy Regge formalism(see also12.40.Nin strong interactions)11.80.؊m Relativistic scattering theory11.80.Cr Kinematical properties͑helicity andinvariant amplitudes,kinematicsingularities,etc.͒11.80.Et Partial-wave analysis11.80.Fv Approximations͑eikonalapproximation,variationalprinciples,etc.͒11.80.Gw Multichannel scattering11.80.Jy Many-body scattering and Faddeevequation Multiple scattering11.90.؉t Other topics in general theory offields and particles…restricted tonew topics in section11…12.Specific theories andinteraction models;particlesystematics12.10.؊g Unifiedfield theories and models(see also04.50—in generalrelativity and gravitation,11.25.MCompactification and four-dimensional models)12.10.Dm Unified theories and models ofstrong and electroweak interactions12.10.Kt Unification of couplings;massrelations12.15.؊y Electroweak interactions••••for extensions of gauge or Higgssector,see12.60.C or12.60.F12.15.Ff Quark and lepton masses andmixing(see also14.60.P Neutrinomass and mixing)12.15.Hh Determination ofKobayashi–Maskawa matrixelements12.15.Ji Applications of electroweak modelsto specific processes12.15.Lk Electroweak radiative corrections(see also13.40.K Electromagneticcorrections to strong-and weak-interaction processes)12.15.Mm Neutral currents12.20.؊m Quantum electrodynamics12.20.Ds Specific calculations12.20.Fv Experimental tests12.38.؊t Quantum chromodynamics••••see also24.85Quarks,gluons,andQCD in nuclei and nuclearprocesses12.38.Aw General properties of QCD͑dynamics,confinement,etc.͒12.38.Bx Perturbative calculations12.38.Cy Summation of perturbation theory12.38.Gc Lattice QCD calculations(see also11.15.H Lattice gauge theory)12.38.Lg Other nonperturbative calculations12.38.Mh Quark–gluon plasma12.38.Qk Experimental tests12.39.؊x Phenomenological quark models12.39.Ba Bag model12.39.Dc Skyrmions12.39.Fe Chiral Lagrangians12.39.Hg Heavy quark effective theory12.39.Jh Nonrelativistic quark model12.39.Ki Relativistic quark model12.39.Mk Glueball and nonstandard multi-quark/gluon states12.39.Pn Potential models12.40.؊y Other models for stronginteractions12.40.Ee Statistical models12.40.Nn Regge theory,duality,absorptive/optical models(see also11.55.JRegge formalism)12.40.Vv Vector-meson dominance12.40.Yx Hadron mass models andcalculations512.60.؊i Models beyond the standardmodel••••see also12.10Unifiedfield theoriesand models Extensions of electroweak gaugesector12.60.Fr Extensions of electroweak Higgssector12.60.Jv Supersymmetric models(see also04.65Supergravity) Technicolor models12.60.Rc Composite models12.90.؉b Miscellaneous theoretical ideasand models…restricted to newtopics in section12…13.Specific reactions andphenomenology13.10.؉q Weak and electromagneticinteractions of leptons(see also13.35Decays of leptons)13.15.؉g Neutrino interactions(forneutrino–lepton interactions,see13.10)13.20.؊v Leptonic and semileptonic decaysof mesons13.20.Cz Decays of␲mesons13.20.Eb Decays of K mesons13.20.Fc Decays of charmed mesons13.20.Gd Decays of J/␺,⌼,and otherquarkonia13.20.He Decays of bottom mesons13.20.Jf Decays of other mesons13.25.؊k Hadronic decays of mesons13.25.Cq Decays of␲mesons13.25.Es Decays of K mesons13.25.Ft Decays of charmed mesons13.25.Gv Decays of J/␺,⌼,and otherquarkonia13.25.Hw Decays of bottom mesons13.25.Jx Decays of other mesons13.30.؊a Decays of baryons13.30.Ce Leptonic and semileptonic decays 13.30.Eg Hadronic decays13.35.؊r Decays of leptons13.35.Bv Decays of muons13.35.Dx Decays of taus13.35.Hb Decays of heavy neutrinos13.38.؊b Decays of intermediate bosons 13.38.Be Decays of W bosons13.38.Dg Decays of Z bosons13.40.؊f Electromagnetic processes andproperties(see also13.10Weakand electromagnetic interactions ofleptons)13.40.Dk Electromagnetic mass differences13.40.Em Electric and magnetic moments13.40.Gp Electromagnetic form factors13.40.Hq Electromagnetic decays13.40.Ks Electromagnetic corrections tostrong-and weak-interactionprocesses13.60.؊r Photon and charged-leptoninteractions with hadrons(forneutrino interactions,see13.15)13.60.Fz Elastic and Compton scattering13.60.Hb Total and inclusive cross sections͑including deep-inelastic processes͒13.60.Le Meson production13.60.Rj Baryon production13.65.؉i Hadron production byelectron–positron collisions13.75.؊n Hadron-induced low-andintermediate-energy reactions andscattering…energyр10GeV…(forhigher energies,see13.85)13.75.Cs Nucleon–nucleon interactions͑including antinucleons,deuterons,etc.͒(for N–N interactions in nuclei,see21.30)13.75.Ev Hyperon–nucleon interactions13.75.Gx Pion–baryon interactions13.75.Jz Kaon–baryon interactions13.75.Lb Meson–meson interactions13.85.؊t Hadron-induced high-and super-high-energy interactions…energy>10GeV…(for lowenergies,see13.75)13.85.Dz Elastic scattering13.85.Fb Inelastic scattering:two-particlefinal states13.85.Hd Inelastic scattering:many-particlefinal states13.85.Lg Total cross sections13.85.Ni Inclusive production with identifiedhadrons13.85.Qk Inclusive production with identifiedleptons,photons,or othernonhadronic particles13.85.Rm Limits on production of particles13.85.Tp Cosmic-ray interactions(see also96.40Cosmic rays)13.87.؊a Jets in large-Q2scattering13.87.Ce Production13.87.Fh Fragmentation into hadrons13.88.؉e Polarization in interactions andscattering13.90.؉i Other topics in specific reactionsand phenomenology of elementaryparticles…restricted to new topicsin section13…14.Properties of specific particles14.20.؊c Baryons…including antiparticles…14.20.Dh Protons and neutrons14.20.Gk Baryon resonances with Sϭ014.20.Jn Hyperons14.20.Lq Charmed baryons14.20.Mr Bottom baryons14.20.Pt Dibaryons14.40.؊n Mesons14.40.Aq␲,K,and␩mesons14.40.Cs Other mesons with SϭCϭ0,massϽ2.5GeV14.40.Ev Other strange mesons14.40.Gx Mesons with SϭCϭBϭ0,massϾ2.5GeV͑includingquarkonia͒14.40.Lb Charmed mesons14.40.Nd Bottom mesons14.60.؊z Leptons14.60.Cd Electrons͑including positrons͒14.60.Ef Muons14.60.Fg Taus14.60.Hi Other charged heavy leptons14.60.Lm Ordinary neutrinos͑␯e,␯␮,␯␶͒14.60.Pq Neutrino mass and mixing(see also12.15.F Quark and lepton massesand mixing)14.60.St Non-standard-model neutrinos,right-handed neutrinos,etc.14.65.؊q Quarks14.65.Bt Light quarks14.65.Dw Charmed quarks14.65.Fy Bottom quarks14.65.Ha Top quarks14.70.؊e Gauge bosons14.70.Bh Photons14.70.Dj Gluons14.70.Fm W bosons14.70.Hp Z bosons14.70.Pw Other gauge bosons14.80.؊j Other particles…includinghypothetical…14.80.Bn Standard-model Higgs bosons14.80.Cp Non-standard-model Higgs bosons14.80.Hv Magnetic monopoles14.80.Ly Supersymmetric partners of knownparticles14.80.Mz Axions and other Nambu-Goldstonebosons͑Majorons,familons,etc.͒6。