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Papers

• On the Decay of Heavy Mesons III
  --- Case of the Unsymmetrical Interaction ---
  ( Sadao Ôneda, Seibun Sasaki and Shoji Ozaki )
  pp.165-176
• The Statistics of Honeycomb and Triangular Lattice. I
  ( Kodi Husimi and Itiro Syôzi )
  pp.177-186
• On the Integrability Condition in the “Super-Many-Time Theory”
  ( Kazuhiko Nishijima )
  pp.187-195
• The Electronic Component in Extensive Air Showers
  ( Yoichi Fujimoto, Satio Hayakawa and Yoshio Yamaguchi )
  pp.196-206
• On the Convergence of the Perturbation Method, II. 2
  ( Tosio Kato )
  pp.207-212
• Note on the Theory of the Frequency Spectrum of Crystalline Solid
  ( Tutô Nakamura )
  pp.213-223
• Proton-Neutron Concentration Ratio in the Expanding Universe at the Stages preceding the Formation of the Elements
  ( Chushiro Hayashi )
  pp.224-235
• Note on the Self-Energy and Self-Stress. II
  ( Katuro Sawada )
  pp.236-251
• Theory of Color Centers in Ionic Crystals I
  --- Electronic States of F-Centers in Alkali Halides ---
  ( Teturo Inui and Yasutada Uemura )
  pp.252-265
• On the Relativistically Improved Integration in Perturbation Theory
  --- Its Meaning in Feynman Theory ---
  ( Hiroomi Umezawa and Rokuo Kawabe )
  pp.266-271
• Problems of Ambiguity in Quantum Field Theory
  ( Yasuhisa Katayama )
  pp.272-282
• On the Nature of τ-Mesons. I
  ( Hiroshi Fukuda, Satio Hayakawa and Yoneji Miyamoto )
  pp.283-304

Letters

• On the Decay of a Heavy Meson into Lighter Mesons
  ( S. Ozaki, S. Ôneda and S. Sasaki )
  pp.305-307
• Effect of Nuclear Motion on the Fine Structure of Hydrogen
  ( T. Ishidzu )
  pp.307a-307a
• On the Electromagnetic Properties of Mesons
  ( T. Kinoshita and Y. Nambu )
  pp.307b-310
• Nonsingular Tensor Force in Pseudoscalar-Meson Theory
  ( S. Endo and S. Tani )
  pp.310-311
• On the µ-Meson Decay
  ( S. Ogawa and S. Kamefuchi )
  pp.311-312
• Anomalous Magnetic Moment of the Nucleon
  ( E. Yamada )
  pp.312-314
• The East-West Effect of the Cosmic-Ray in the Upper Atmosphere
  ( S. Ogawa and Y. Nagahara )
  pp.314-315
• A Picture for Cosmic-Ray Stars
  ( Y. Fujimoto and S. Hayakawa )
  pp.315-316
• Diffusion of the Nucleon Component
  ( Y. Fujimoto )
  pp.316-317
• Nucleon-Nucleon Interaction at High Energies
  ( F. Fujimoto, S. Hayakawa and Y. Yamaguchi )
  pp.318-318
• Note on the Interaction of Meson with Nucleon
  ( S. Hayakawa )
  pp.319-320
• Relativistic Covariance in the Quantum Electrodynamics
  ( J. Yukawa, N. Oda and H. Umezawa )
  pp.320-321
• Derivation of the Interaction Potential from Field Theory
  ( Y. Nambu )
  pp.321-323
• On the Second Maximum of the Rossi Transition Curve: I
  ( T. Kameda and I. Miura )
  pp.323-325
• On the Second Maximum of the Rossi Transition Curve: II
  ( I. Miura and T. Kameda )
  pp.325-326
• Interpretation of the Second Maximum of Rossi Curve
  ( S. Hayakawa and J. Nishimura )
  pp.326-328
• A Remark on the Transition Curve of Cosmic Ray Showers
  ( J. Nishimura )
  pp.328-329
• The Conduction Electron with Low Energy in Ionic Crystals
  ( A. Morita )
  pp.329-330
• On the Conception of the Energy Band in the Perturbed Periodic Potential
  ( S. Katsura, T. Hatta and A. Morita )
  pp.330-331
• Note on the Elimination of the Normal-dependent Part from the Hamiltonian
  ( K. Nishijima )
  pp.331-332
• The Effect of Exclusion Principle on the Nucleon-nucleon Scattering in Nuclear Matter
  ( Y. Yamaguchi )
  pp.332-333
• On the Anomalous Magnetic Moment of Nucleon in Vector and Pseudovector Meson Theory
  ( S. Hori and K. Sawada )
  pp.333-334
• A Note on the C-Meson Hypothesis
  ( T. Kinoshita )
  pp.335-336
• Note on Five-Dimensional Space and the Self-Energy of Electron
  ( Y. Katayama and S. Takagi )
  pp.336-338
• Radiative Correction to Decay Processes. II
  --- Beta Disintegration of Nucleon ---
  ( T. Nakano, Y. Watanabe, S. Hanawa and T. Miyazima )
  pp.338-339

Errata

• On the Concept of the Nuclear Potential
  ( K. Baba, D. Itô, T. Miyazima and M. Sasaki )
  pp.339-339

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