• ARTICLES
  • Articles
• LETTERS
  • Letters to the Editor

•	The Drift Velocities of Molecular and Atomic Ions in Helium, Neon, and Argon John A. Hornbeck pp. 615-620 [View   PDF (1269 kB) ]

•	Mass Spectrometric Studies of Molecular Ions in the Noble Gases John A. Hornbeck and J. P. Molnar pp. 621-625 [View   PDF (1043 kB) ]

•	Scattering of 15.7-Mev Electrons by Nuclei E. M. Lyman, A. O. Hanson, and M. B. Scott pp. 626-634 [View   PDF (1967 kB) ]

•	Measurement of Multiple Scattering of 15.7-Mev Electrons A. O. Hanson, L. H. Lanzl, E. M. Lyman, and M. B. Scott pp. 634-637 [View   PDF (785 kB) ]

•	Electron-Electron Scattering at 15.7 Mev M. B. Scott, A. O. Hanson, and E. M. Lyman pp. 638-643 [View   PDF (1062 kB) ]

•	A New Covariant Auxiliary Condition for Quantum Electrodynamics Frederik J. Belinfante pp. 644-647 [View   PDF (700 kB) ]

•	The Energy Density Tensor in Gauge-Independent Quantum Electrodynamics Frederik J. Belinfante pp. 648-653 [View   PDF (1153 kB) ]

•	Energy Distribution, Drift Velocity, and Temperature of Slow Electrons in Helium and Argon Domenick Barbiere pp. 653-658 [View   PDF (1125 kB) ]

•	The Radioactivity of Se73 F. R. Scott pp. 659-665 [View   PDF (1218 kB) ]

•	A Canonical Field Theory with Spinors Jack Heller and Peter G. Bergmann pp. 665-670 [View   PDF (1135 kB) ]

•	The High Energy Spallation Products of Copper Roger E. Batzel, Daniel R. Miller, and Glenn T. Seaborg pp. 671-683 [View   PDF (2968 kB) ]

•	Experimental Search for the Beta-Decay of the π+ Meson Helen L. Friedman and James Rainwater pp. 684-690 [View   PDF (1591 kB) ]

•	The Isotope Effect in Superconductivity. I. Mercury C. A. Reynolds, B. Serin, and L. B. Nesbitt pp. 691-694 [View   PDF (791 kB) ]

•	Differential Cross Section of the Reaction He3(d,p)He4 at 10.2-Mev Bombarding Energy and Search for Excited State in He4 J. C. Allred pp. 695-699 [View   PDF (1054 kB) ]

•	Nuclear Excitation Functions, Se82(d,2n)Br82 and Br81(d,p)Br82 John A. Miskel and Arthur C. Wahl pp. 700-702 [View   PDF (646 kB) ]

•	Elastic Scattering of Protons from Mg24 F. P. Mooring, L. J. Koester, E. Goldberg, D. Saxon, and S. G. Kaufmann pp. 703-709 [View   PDF (1412 kB) ]

•	A Theoretical Calculation of the Inelastic Scattering of 90-Mev Neutrons by Deuterons Geoffrey F. Chew pp. 710-716 [View   PDF (1514 kB) ]

•	Atomic Masses in the Region about Mass 40 T. L. Collins, Alfred O. Nier, and Walter H. Johnson pp. 717-721 [View   PDF (1303 kB) ]

•	Application of the Bethe-Weiss Method to the Theory of Antiferromagnetism Yin-Yuan Li pp. 721-730 [View   PDF (2063 kB) ]

•	Electrostatic Analysis of Nuclear Reaction Energies R. M. Williamson, C. P. Browne, D. S. Craig, and D. J. Donahue pp. 731-736 [View   PDF (1290 kB) ]

•	Hamiltonians without Parametrization Robert H. Penfield pp. 737-743 [View   PDF (1344 kB) ]

•	A Canonical Transformation in the Theory of Particles of Arbitrary Spin W. A. Hepner pp. 744-749 [View   PDF (1063 kB) ]

•	Energy Release in the Disintegration of Be8 Richard R. Carlson pp. 749-757 [View   PDF (1997 kB) ]

•	The Adiabatic Elastic Constants of Rock Salt W. C. Overton and R. T. Swim pp. 758-762 [View   PDF (1016 kB) ]

•	Scattering of Protons by Alpha-Particles C. H. Braden pp. 762-765 [View   PDF (838 kB) ]

•	Multiple Scattering in a Semi-Infinite Medium John W. Weymouth pp. 766-775 [View   PDF (1655 kB) ]

•	Total Cross Section of Nitrogen for Fast Neutrons C. H. Johnson, B. Petree, and R. K. Adair pp. 775-778 [View   PDF (787 kB) ]

•	A Phenomenological Treatment of Photomeson Production from Deuterons G. F. Chew and H. W. Lewis pp. 779-785 [View   PDF (1420 kB) ]

•	Half-Life and Alpha-Particle Energy of U236 A. H. Jaffey, H. Diamond, A. Hirsch, and J. Mech pp. 785-786 [View   PDF (387 kB) ]

•	The Magnetic Susceptibility of Zinc at Liquid Nitrogen Temperatures J. W. McClure and J. A. Marcus pp. 787-788 [View   PDF (409 kB) ]

•	A Note on the Quantum Rule of the Harmonic Oscillator L. M. Yang pp. 788-790 [View   PDF (517 kB) ]

•	Intensities of Heavy Cosmic-Ray Primaries by Pulse Ionization Chamber Measurements James A. Van Allen pp. 791-797 [View   PDF (1524 kB) ]

•	The Effect of Inhomogeneities on the Electrical Properties of Diamond A. J. Ahearn pp. 798-802 [View   PDF (1063 kB) ]

•	Experiments with Audiofrequencies on Superconductors B. Serin, C. A. Reynolds, J. R. Feldmeier, and M. P. Garfunkel pp. 802-805 [View   PDF (711 kB) ]

•	The K X-Ray Absorption Structure of Cl2 and HCl S. T. Stephenson, R. Krogstad, and W. Nelson pp. 806-809 [View   PDF (874 kB) ]

•	A Note on the Propagation of Excitation in an Idealized Crystal William R. Heller and Alma Marcus pp. 809-813 [View   PDF (1043 kB) ]

•	The Effect of a Magnetic Field on Electrons in a Periodic Potential J. M. Luttinger pp. 814-817 [View   PDF (599 kB) ]

•	Note on the Interaction of an Electron and a Lattice Oscillator E. P. Gross pp. 818-823 [View   PDF (1167 kB) ]

•	Mass Measurements with a Magnetic Time-of-Flight Mass Spectrometer E. E. Hays, P. I. Richards, and S. A. Goudsmit pp. 824-829 [View   PDF (1342 kB)  See Also: Erratum]

•	Electron-Hole Production in Germanium by Alpha-Particles Kenneth G. McKay pp. 829-832 [View   PDF (923 kB) ]

•	The n-p-n Junction as a Model for Secondary Photoconductivity Kenneth G. McKay pp. 833-835 [View   PDF (673 kB) ]

•	Masses of Light Nuclei from Nuclear Disintegration Energies H. A. Wilson pp. 836 [View   PDF (273 kB) ]

•	Application of Collective Treatment of Electron and Ion Vibrations to Theories of Conductivity and Superconductivity David Bohm and Tor Staver pp. 836-837 [View   PDF (551 kB) ]

•	Alpha-Alpha Scattering C. H. Braden, S. M. Carter, and A. G. Ford pp. 837 [View   PDF (279 kB) ]

•	Nuclear Binding Energies for Isotopes with Masses between 50 and 60 A. H. Wapstra pp. 837-838 [View   PDF (544 kB) ]

•	Nuclear Masses and Closed Shells in the Region A<65 A. H. Wapstra pp. 838-839 [View   PDF (522 kB) ]

•	The Age of the Elements Richard L. Burling pp. 839-840 [View   PDF (538 kB) ]

•	Effects of the Atmosphere on the Penetrating Component of the Cosmic Radiation E. S. Cotton and H. O. Curtis pp. 840 [View   PDF (281 kB) ]

•	Cross Section for the Reaction Cu65(γ,α)Co61 R. N. Haslam, L. A. Smith, and J. G. Taylor pp. 840-842 [View   PDF (552 kB) ]

•	The Decay of Co61 L. A. Smith, R. N. Haslam, and J. G. Taylor pp. 842-843 [View   PDF (406 kB) ]

•	Laboratory Observation of the A2Π-X2Σ Bands of the N2+ Molecule F. W. Dalby and A. E. Douglas pp. 843 [View   PDF (254 kB) ]

•	On the Magnetic Moment of Te123,125 and Si29 S. S. Dharmatti and H. E. Weaver pp. 843-844 [View   PDF (512 kB) ]

•	Line Breadths in the 5-mm Microwave Absorption of Oxygen B. V. Gokhale and M. W. Strandberg pp. 844 [View   PDF (257 kB) ]

•	The Diffusion of Metastable Neon Atoms in Mixtures of Helium and Neon F. A. Grant pp. 844-845 [View   PDF (478 kB) ]

•	Theory of Nuclear Photoprocesses R. G. Sachs pp. 845 [View   PDF (220 kB) ]

•	The Production of Light Nuclei by High Energy Proton Bombardment of Medium Weight Elements D. H. Greenberg and J. M. Miller pp. 845-846 [View   PDF (529 kB) ]

•	Diffusive Separation in the Upper Atmosphere L. M. Jones, L. T. Loh, H. W. Neill, M. H. Nichols, and E. A. Wenzel pp. 846-847 [View   PDF (673 kB) ]

•	The Gamma-Ray Spectra of K38 and Cl34 Harold K. Ticho pp. 847-848 [View   PDF (713 kB) ]

•	Paramagnetic Resonance in Liquids Michael Tinkham, Roy Weinstein, and Arthur F. Kip pp. 848-849 [View   PDF (508 kB) ]

•	Order of Gamma-Ray Emission in the Decay of In111 M. M. Miller, C. H. Pruett, and R. G. Wilkinson pp. 849-850 [View   PDF (391 kB) ]

•	Zenithal Distribution of Low Energy Mesons André G. Voisin pp. 850-851 [View   PDF (482 kB) ]

•	Multiple Scattering and Grain Density Measurements on Electron Tracks in G-5 Emulsions I. B. McDiarmid pp. 851-852 [View   PDF (506 kB) ]

•	Energy Response of NaI (Tl) Crystals to Alpha-Particles of Less than 10 Mev Ralph H. Lovberg pp. 852 [View   PDF (254 kB) ]

•	The Hyperfine Structure of 2P½ State of the Stable Chlorine Isotopes John Gordon King and Vincent Jaccarino pp. 852-854 [View   PDF (607 kB) ]

•	Phase Transitions in Solid Solutions Containing PbZrO3 Gen Shirane pp. 854-855 [View   PDF (393 kB) ]

•	The Change in Electrical Resistance of Magnesium on Melting F. Hubbard Horn pp. 855-856 [View   PDF (421 kB) ]

•	Gamma-Neutron Cross Sections for N14 and O16 H. E. Johns, R. J. Horsley, R. N. Haslam, and A. Quinton pp. 856-857 [View   PDF (445 kB) ]

•	π+-Meson Production Cross Section as a Function of Atomic Number D. Hamlin, M. Jakobson, J. Merritt, and A. Schulz pp. 857-858 [View   PDF (400 kB) ]

•	The Positronium Fine Structure Richard A. Ferrell pp. 858-859 [View   PDF (389 kB) ]

•	Ionization Potentials and Probabilities Using a Mass Spectrometer R. E. Fox, W. M. Hickam, T. Kjeldaas, and D. J. Grove pp. 859-860 [View   PDF (469 kB) ]

•	Nuclear Structure in Fission L. E. Glendenin, E. P. Steinberg, M. G. Inghram, and D. C. Hess pp. 860-861 [View   PDF (463 kB) ]

•	Evidence for Production of Hole Traps in Germanium by Fast Neutron Bombardment J. W. Cleland, J. H. Crawford, K. Lark-Horovitz, J. C. Pigg, and F. W. Young pp. 861-862 [View   PDF (436 kB) ]

•	Measurement of the Cross Section for the Reaction T+T→He4+2n+11.4 Mev H. M. Agnew, W. T. Leland, H. V. Argo, R. W. Crews, A. H. Hemmendinger, W. E. Scott, and R. F. Taschek pp. 862-863 [View   PDF (426 kB) ]

•	The Anomalous Magnetoresistance of Bismuth at Low Temperatures P. B. Alers and R. T. Webber pp. 863-864 [View   PDF (419 kB) ]

•	A Search for a Diurnal Variation in the Rate of Star Formation G. W. Anderson and J. E. Naugle pp. 864 [View   PDF (199 kB) ]

•	The Beta-Ray Spectra of Tm170 and RaE Seitaro Nakamura, Minoru Umezawa, and Hisao Takebe pp. 865-866 [View   PDF (359 kB) ]

•	Relativistic Corrections to the Lamb Shift Michel Baranger pp. 866-867 [View   PDF (300 kB)  See Also: Erratum]