10. THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29)
11. General theory of fields and particles (see also 03.65.-w Quantum mechanics and 03.70.+k Theory of quantized fields)
11.10.-z Field theory (for gauge field theories, see 11.15.-q)
11.10.Cd Axiomatic approach
11.10.Ef Lagrangian and Hamiltonian approach
11.10.Gh Renormalization
11.10.Hi Renormalization group evolution of parameters
11.10.Jj Asymptotic problems and properties
11.10.Kk Field theories in dimensions other than four (see also 04.50.-h Higher-dimensional gravity and other theories of gravity; 04.60.Kz Lower dimensional models; minisuperspace models in general relativity and gravitation)
11.10.Lm Nonlinear or nonlocal theories and models (see also 11.27.+d Extended classical solutions; cosmic strings, domain walls, texture)
11.10.Nx Noncommutative field theory
... ... ...Relativistic wave equations, see 03.65.Pm
11.10.St Bound and unstable states; Bethe-Salpeter equations
11.10.Wx Finite-temperature field theory
11.15.-q Gauge field theories
11.15.Bt General properties of perturbation theory
11.15.Ex Spontaneous breaking of gauge symmetries
11.15.Ha Lattice gauge theory (see also 12.38.Gc Lattice QCD calculations)
11.15.Kc Classical and semiclassical techniques
11.15.Me Strong-coupling expansions
11.15.Pg Expansions for large numbers of components (e.g., 1/Nc expansions)
11.15.Tk Other nonperturbative techniques
11.15.Wx Topologically massive gauge theories (see also 04.60.Rt Topologically massive gravity)
11.15.Yc Chern-Simons gauge theory
11.25.-w Strings and branes (for cosmic strings, see 98.80.Cq in cosmology; see also 11.27.+d Extended classical solutions; cosmic strings, domain walls, texture)
11.25.Db Properties of perturbation theory
11.25.Hf Conformal field theory, algebraic structures
11.25.Mj Compactification and four-dimensional models
11.25.Pm Noncritical string theory
11.25.Sq Nonperturbative techniques; string field theory
11.25.Tq Gauge/string duality
11.25.Uv D branes
11.25.Wx String and brane phenomenology
11.25.Yb M theory
11.27.+d Extended classical solutions; cosmic strings, domain walls, texture (see also 98.80.Cq in cosmology; 11.25.-w Strings and branes)
11.30.-j Symmetry and conservation laws (see also 02.20.-a Group theory)
11.30.Cp Lorentz and Poincaré invariance
11.30.Er Charge conjugation, parity, time reversal, and other discrete symmetries
11.30.Fs Global symmetries (e.g., baryon number, lepton number)
11.30.Hv Flavor symmetries
11.30.Ly Other internal and higher symmetries
11.30.Na Nonlinear and dynamical symmetries (spectrum-generating symmetries)
11.30.Pb Supersymmetry (see also 12.60.Jv Supersymmetric models)
11.30.Qc Spontaneous and radiative symmetry breaking
11.30.Rd Chiral symmetries
11.40.-q Currents and their properties
11.40.Dw General theory of currents
11.40.Ex Formal properties of current algebras (see also 12.39.Fe Chiral Lagrangians)
11.40.Ha Partially conserved axial-vector currents
11.55.-m S-matrix theory; analytic structure of amplitudes
11.55.Bq Analytic properties of S matrix
11.55.Ds Exact S matrices
11.55.Fv Dispersion relations
11.55.Hx Sum rules
11.55.Jy Regge formalism (see also 12.40.Nn in strong interactions)
11.80.-m Relativistic scattering theory
11.80.Cr Kinematical properties (helicity and invariant amplitudes, kinematic singularities, etc.)
11.80.Et Partial-wave analysis
11.80.Fv Approximations (eikonal approximation, variational principles, etc.)
11.80.Gw Multichannel scattering
11.80.Jy Many-body scattering and Faddeev equation
11.80.La Multiple scattering
11.90.+t Other topics in general theory of fields and particles (restricted to new topics in section 11)
12. Specific theories and interaction models; particle systematics
12.10.-g Unified field theories and models (see also 04.50.-h Higher-dimensional gravity and other theories of gravity—in general relativity and gravitation, 11.25.Mj Compactification and four-dimensional models)
12.10.Dm Unified theories and models of strong and electroweak interactions
12.10.Kt Unification of couplings; mass relations
12.15.-y Electroweak interactions
... ... ...Extensions of gauge or Higgs sector, see 12.60.Cn or 12.60.Fr
12.15.Ff Quark and lepton masses and mixing (see also 14.60.Pq Neutrino mass and mixing)
12.15.Hh Determination of Cabibbo-Kobayashi & Maskawa (CKM) matrix elements
12.15.Ji Applications of electroweak models to specific processes
12.15.Lk Electroweak radiative corrections (see also 13.40.Ks Electromagnetic corrections to strong- and weak-interaction processes)
12.15.Mm Neutral currents
12.20.-m Quantum electrodynamics
12.20.Ds Specific calculations
12.20.Fv Experimental tests (for optical tests in quantum electrodynamics, see 42.50.Xa)
12.38.-t Quantum chromodynamics (for quarks, gluons, and QCD in nuclear reactions, see 24.85.+p)
12.38.Aw General properties of QCD (dynamics, confinement, etc.)
12.38.Bx Perturbative calculations
12.38.Cy Summation of perturbation theory
12.38.Gc Lattice QCD calculations (see also 11.15.Ha Lattice gauge theory)
12.38.Lg Other nonperturbative calculations
12.38.Mh Quark-gluon plasma (see also 25.75.Nq Quark deconfinement, quark-gluon plasma production and phase transitions in relativistic heavy ion collisions; see also 21.65.Qr Quark matter)
12.38.Qk Experimental tests
12.39.-x Phenomenological quark models
12.39.Ba Bag model
12.39.Dc Skyrmions
12.39.Fe Chiral Lagrangians
12.39.Hg Heavy quark effective theory
12.39.Jh Nonrelativistic quark model
12.39.Ki Relativistic quark model
12.39.Mk Glueball and nonstandard multi-quark/gluon states
12.39.Pn Potential models
12.39.St Factorization
12.40.-y Other models for strong interactions
12.40.Ee Statistical models
12.40.Nn Regge theory, duality, absorptive/optical models (see also 11.55.Jy Regge formalism)
12.40.Vv Vector-meson dominance
12.40.Yx Hadron mass models and calculations
12.60.-i Models beyond the standard model (for unified field theories, see 12.10.-g)
12.60.Cn Extensions of electroweak gauge sector
12.60.Fr Extensions of electroweak Higgs sector
12.60.Jv Supersymmetric models (see also 04.65.+e Supergravity)
12.60.Nz Technicolor models
12.60.Rc Composite models
12.90.+b Miscellaneous theoretical ideas and models (restricted to new topics in section 12)
13. Specific reactions and phenomenology
13.15.+g Neutrino interactions
13.20.-v Leptonic, semileptonic, and radiative decays of mesons
13.20.Cz Decays of π mesons
13.20.Eb Decays of K mesons
13.20.Fc Decays of charmed mesons
13.20.Gd Decays of J/ψ, Υ, and other quarkonia
13.20.He Decays of bottom mesons
13.20.Jf Decays of other mesons
13.25.-k Hadronic decays of mesons
13.25.Cq Decays of π mesons
13.25.Es Decays of K mesons
13.25.Ft Decays of charmed mesons
13.25.Gv Decays of J/ψ, Υ, and other quarkonia
13.25.Hw Decays of bottom mesons
13.25.Jx Decays of other mesons
13.30.-a Decays of baryons
13.30.Ce Leptonic, semileptonic, and radiative decays
13.30.Eg Hadronic decays
13.35.-r Decays of leptons
13.35.Bv Decays of muons
13.35.Dx Decays of taus
13.35.Hb Decays of heavy neutrinos
13.38.-b Decays of intermediate bosons
13.38.Be Decays of W bosons
13.38.Dg Decays of Z bosons
13.40.-f Electromagnetic processes and properties
13.40.Dk Electromagnetic mass differences
13.40.Em Electric and magnetic moments
13.40.Gp Electromagnetic form factors
13.40.Hq Electromagnetic decays
13.40.Ks Electromagnetic corrections to strong- and weak-interaction processes
13.60.-r Photon and charged-lepton interactions with hadrons (for neutrino interactions, see 13.15.+g)
13.60.Fz Elastic and Compton scattering
13.60.Hb Total and inclusive cross sections (including deep-inelastic processes)
13.60.Le Meson production
13.60.Rj Baryon production
13.66.-a Lepton-lepton interactions
13.66.Bc Hadron production in ee+ interactions
13.66.De Lepton production in ee+ interactions
13.66.Fg Gauge and Higgs boson production in ee+ interactions
13.66.Hk Production of non-standard model particles in ee+ interactions
13.66.Jn Precision measurements in ee+ interactions
13.66.Lm Processes in other lepton-lepton interactions
13.75.-n Hadron-induced low- and intermediate-energy reactions and scattering (energy ≤ 10 GeV) (for higher energies, see 13.85.-t)
13.75.Cs Nucleon-nucleon interactions (including antinucleons, deuterons, etc.) (for N-N interactions in nuclei, see 21.30.-x)
13.75.Ev Hyperon-nucleon interactions
13.75.Gx Pion-baryon interactions
13.75.Jz Kaon-baryon interactions
13.75.Lb Meson-meson interactions
13.85.-t Hadron-induced high- and super-high-energy interactions (energy > 10 GeV) (for low energies, see 13.75.-n)
13.85.Dz Elastic scattering
13.85.Fb Inelastic scattering: two-particle final states
13.85.Hd Inelastic scattering: many-particle final states
13.85.Lg Total cross sections
13.85.Ni Inclusive production with identified hadrons
13.85.Qk Inclusive production with identified leptons, photons, or other nonhadronic particles
13.85.Rm Limits on production of particles
13.85.Tp Cosmic-ray interactions (see also 96.50.S- Cosmic rays in interplanetary physics)
13.87.-a Jets in large-Q2 scattering
13.87.Ce Production
13.87.Fh Fragmentation into hadrons
13.88.+e Polarization in interactions and scattering
13.90.+i Other topics in specific reactions and phenomenology of elementary particles (restricted to new topics in section 13)
14. Properties of specific particles
14.20.-c Baryons (including antiparticles) (for decays of baryons, see 13.30.-a)
14.20.Dh Protons and neutrons
14.20.Gk Baryon resonances (S=C=B=0)
14.20.Jn Hyperons
14.20.Lq Charmed baryons (|C|>0, B=0)
14.20.Mr Bottom baryons (|B|>0)
14.20.Pt Exotic baryons
14.40.-n Mesons (for leptonic decays of mesons, see 13.20.-v; for hadronic decays of mesons, see 13.25.-k)
14.40.Be Light mesons (S=C=B=0)
14.40.Df Strange mesons (|S|>0, C=B=0)
14.40.Lb Charmed mesons (|C|>0, B=0)
14.40.Nd Bottom mesons (|B|>0)
14.40.Pq Heavy quarkonia
14.40.Rt Exotic mesons
14.60.-z Leptons (for decays of leptons, see 13.35.-r)
14.60.Cd Electrons (including positrons)
14.60.Ef Muons
14.60.Fg Taus
14.60.Hi Other charged heavy leptons
14.60.Lm Ordinary neutrinos
14.60.Pq Neutrino mass and mixing (see also 12.15.Ff Quark and lepton masses and mixing)
14.60.St Non-standard-model neutrinos, right-handed neutrinos, etc.
14.65.-q Quarks
14.65.Bt Light quarks
14.65.Dw Charmed quarks
14.65.Fy Bottom quarks
14.65.Ha Top quarks
14.65.Jk Other quarks (e.g., 4th generations)
14.70.-e Gauge bosons
14.70.Bh Photons
14.70.Dj Gluons
14.70.Fm W bosons
14.70.Hp Z bosons
14.70.Kv Gravitons (see also 04.60.-m Quantum gravity)
14.70.Pw Other gauge bosons
14.80.-j Other particles (including hypothetical)
14.80.Bn Standard-model Higgs bosons
14.80.Da Supersymmetric Higgs bosons
14.80.Ec Other neutral Higgs bosons
14.80.Fd Other charged Higgs bosons
14.80.Hv Magnetic monopoles
14.80.Ly Supersymmetric partners of known particles (see also 12.60.Jv Supersymmetric models)
14.80.Nb Neutralinos and charginos
14.80.Pq R-hadrons
14.80.Rt Kaluza-Klein excitations (see also 04.50.Cd Kaluza-Klein theories)
14.80.Sv Leptoquarks
14.80.Tt Technicolor
14.80.Va Axions and other Nambu-Goldstone bosons (Majorons, familons, etc.)