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Papers

• Theory of the F-centers of Coloured Alakali Halides. Part II
  --- Electronic Structure of F-centers -- General Theory ---
  ( Toshinosuke Muto )
  pp.243-250
• Theory of the Interaction of Elementary Particles. V
  --- The Problem of Vacuum Polarization (3) ---
  ( Hiroomi Umezawa and Eiji Yamada )
  pp.251-262
• The Phase Transition and the Piezoelectric Effect of KH₂PO₄
  ( Shigeo Yomosa and Takeo Nagamiya )
  pp.263-274
• Note on the Finite Extension of Electron
  ( Katuro Sawada )
  pp.275-286
• Cosmic-Ray Underground. I
  ( Satio Hayakawa and Sin-itirô Tomonaga )
  pp.287-296
• A Remark on Relativistically Invariant Formulation of the Quantum Field Theory
  ( Suteo Kanesawa and Zirô Koba )
  pp.297-311
• Intervals of Cl I, A II, K III, Ca IV ²P
  ( Wataro Watari )
  pp.312-313
• Triplet Intervals of Beryllium and Calcium
  ( Wataro Watari )
  pp.314-316
• Intervals of Si IV ²P levels
  ( Simpei Tutihasi )
  pp.317-318
• Semi-Classical Treatment of the Reactive Corrections. I
  --- The Anomalous Magnetic Moment of the Electron ---
  ( Zirô Koba )
  pp.319-330
• On the Method of the Third Quantization
  ( Yôichirô Nambu )
  pp.331-346
• On the γ-Decay of Neutral Meson
  ( Hiroshi Fukuda and Yoneji Miyamoto )
  pp.347-357
• On the Dirac's Indefinite Metric Space
  ( Naomi Shôno and Nobuo Oda )
  pp.358-363

Letters

• The Half-Life of Radioactive Decay of Free Neutron
  ( Naomi Shôno and Hitoshi Hagihara )
  pp.364-366
• On the Eigenvalue Problem of Hydrogen
  ( G. Araki )
  pp.366-367
• An Improvement on the Integrations appearing in Perturbation Theory
  ( H. Umezawa and R. Kawabe )
  pp.367-368
• General Formulae appearing in the Problem of the Vacuum Polarization
  ( H. Umezawa and R. Kawabe )
  pp.368-369
• Vacuum Polarization due to Various Charged Particles
  ( H. Umezawa and R. Kawabe )
  pp.369-370
• The Self-Energy of a Dirac Particle and its Relativistic Covariance
  ( R. Kawabe and H. Umezawa )
  pp.370-371
• A Preliminary Treatment of Nucleon Cascade
  ( H. Kita and H. Hasegawa )
  pp.371-372
• An Attempt to Pauli's Regulator
  ( Y. Katayama )
  pp.372-374
• A Divergence-Free Field Theory
  ( K. Sawada )
  pp.374-375
• On the Photo-Disintegration of the Deuteron (Pseudoscalar Meson Theory)
  ( H. Enatsu and Y. Takano )
  pp.375-376
• Three Dimensional Calculations of the Cosmic Ray Intensities I
  ( H. Hasegawa and H. Kita )
  pp.376-377
• On the C-Meson Theory
  ( Y. Katayama and K. Sawada )
  pp.377-379
• Domain of Kinetic Energy and Perturbation Theory
  ( G. Araki )
  pp.379-380
• On the Gauge-difficulty in the γ-Decay of the Neutral Scalar Meson
  ( D. Itô and T. Miyazima )
  pp.380-381
• On the Electronic Component in Extensive Air Showers
  ( Y. Fujimoto, S. Hayakawa and Y. Yamaguchi )
  pp.381-382
• External Vacuum Polarization
  ( Z. Koba )
  pp.382-383
• Magnetic Moment of Nucleon
  ( K. Sawada )
  pp.383-385
• On the Electromagnetic Self-Energy of Meson
  ( S. Hanawa and S. Kanesawa )
  pp.385a-385a
• Application of Pauli's Regulator to the γ-Decay of Neutrettos
  ( H. Fukuda, Y. Miyamoto, T. Miyazima and S. Tomonaga )
  pp.385b-386
• On the Life of the Neutral Meson
  ( S. Hayakawa )
  pp.386-388
• On the Nature of τ-Meson
  ( H. Fukuda, S. Hayakawa and Y. Miyamoto )
  pp.388-389
• Selection Rule for Meson Problem
  ( H. Fukuda and Y. Miyamoto )
  pp.389-391
• On the Electron-Positron Pair Disintegration
  ( H. Fukuda and Y. Miyamoto )
  pp.391-392
• The Three Quanta Disintegration of the Neutral Meson
  ( H. Fukuda and Y. Miyamoto )
  pp.392-394
• Note on the Wave-equation in the Non-localizable System
  ( H. Suzuki )
  pp.394a-394a
• High Energy Photo-Disintegration of the α-Particle
  ( Y. Nishida and M. Nogami )
  pp.394b-396
• On the Self-Energy of the Neutretto
  ( Y. Katayama )
  pp.396-397

Errata

• Phenomenological Treatment on the Production of Cosmic-Ray Mesons
  ( S. Hayakawa and J. Nishimura )
  pp.397-397

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