Conservation of Isotopic Spin and Isotopic Gauge Invariance (Yang, pp. 191-196) WITH Scattering of Low-Energy Photons by Particles of Spin 1/2 (Gell-Mann, pp. 1433-1438) WITH in Properties of Bethe-Salpeter Wave Functions (pp. 1124-1134) in Physical Review 96 (1), October 1, 1954 [YANG-MILLS QUANTUM MECHANICAL THEORY with GELL-MANN CROSSING SYMMETRY with WICK'S THEOREM]
Lancaster: American Physical Society, 1954. 1st Edition. RARE FIRST EDITION, FIRST ISSUE of the INTRODUCTION OF THE YANG-MILLS QUANTUM MECHANICAL THEORY. Also included in this volume is the paper in which Gell-Mann and Goldberger introduce crossing symmetry. “It is shown that an exact calculation in quantum field theory gives results..... More