Classification
PKLB - Elementary particles - specific theories, interaction models
100
PKKG - Gauge field theory
7
PKA - Elementary particles, nuclei - general
5
PKK - Theory of fields and particles - general
5
PKC - Elementary particles, nuclei - general theory
4
PKJ - Quantum electrodynamics
2
PKL - Elementary particles - interactions, reactions, resonances
2
PKPD - Beta decay
2
MNLB - Computational methods in physics
1
PKF - Elementary particles, nuclei - measuring methods and instruments
1
PKKA - Quantum field theory
1
PKKJ - S - matrix theory
1
PKKK - Symmetry and conservation laws
1
PKLF - Elementary particles - specific reactions, phenomenology
1
PKLP - Properties of specific particles and resonances
1
PKN - Nuclear structure
1