• ARTICLES
  • Articles
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  • Letters to the Editor

ARTICLES

Articles

•	Magneto-Hydrodynamic Waves in Liquid Sodium Bo Lehnert pp. 815-824 [View Page Images , PDF (1390 kB), or Buy this Article (Use Article Pack) ]

•	Superfluidity and Dissipative Processes in Liquid He II J. G. Dash pp. 825-828 [View Page Images , PDF (721 kB), or Buy this Article (Use Article Pack) ]

•	Self-Diffusion and Ionic Conductivity in Sodium Bromide H. W. Schamp and E. Katz pp. 828-836 [View Page Images , PDF (1729 kB), or Buy this Article (Use Article Pack) ]

•	The Magnetic Susceptibility of the Transition Elements C. J. Kriessman and Herbert B. Callen pp. 837-844 [View Page Images , PDF (1450 kB), or Buy this Article (Use Article Pack) ]

•	Some Optical Properties of MgO in the Vacuum Ultraviolet Peter D. Johnson pp. 845-846 [View Page Images , PDF (292 kB), or Buy this Article (Use Article Pack) ]

•	Cation Distributions in Mixed Ferrites J. Samuel Smart pp. 847-850 [View Page Images , PDF (723 kB), or Buy this Article (Use Article Pack) ]

•	Elastic Spectrum of Zinc from the Temperature Scattering of X-Rays R. E. Joynson pp. 851-855 [View Page Images , PDF (764 kB), or Buy this Article (Use Article Pack) ]

•	Pressure Effects in Phosphorescence L. Reiffel pp. 856 [View Page Images , PDF (177 kB), or Buy this Article (Use Article Pack) ]

•	Effect of Neutron Bombardment on a Zinc Sulfide Phosphor Alan W. Smith and John Turkevich pp. 857-865 [View Page Images , PDF (1515 kB), or Buy this Article (Use Article Pack) ]

•	On the Theory of X-Ray Small-Angle Scattering Yin-Yuan Li and R. Smoluchowski pp. 866-871 [View Page Images , PDF (1095 kB), or Buy this Article (Use Article Pack) ]

•	Electrical Properties of Single Crystals and Thin Films of PbSe and PbTe S. J. Silverman and H. Levinstein pp. 871-876 [View Page Images , PDF (1019 kB), or Buy this Article (Use Article Pack) ]

•	Avalanche Breakdown in Silicon K. G. McKay pp. 877-884 [View Page Images , PDF (1488 kB), or Buy this Article (Use Article Pack) ]

•	The Hyperfine Structure of the 3P3 / 2 State of Na23 Paul L. Sagalyn pp. 885-892 [View Page Images , PDF (1341 kB), or Buy this Article (Use Article Pack) ]

•	Variations of Hydrogen Rotational Magnetic Moments with Rotational Quantum Number and with Isotopic Mass R. G. Barnes, P. J. Bray, and N. F. Ramsey pp. 893-902 [View Page Images , PDF (1703 kB), or Buy this Article (Use Article Pack) ]

•	Pressure Shift in Helium λ5875 John R. Holmes and Leon Pape pp. 902-903 [View Page Images , PDF (279 kB), or Buy this Article (Use Article Pack) ]

•	Magnetic Quenching of the Positronium Decay Otto Halpern pp. 904-907 [View Page Images , PDF (614 kB), or Buy this Article (Use Article Pack) ]

•	Absorption Coefficients of Air and Nitrogen for the Extreme Ultraviolet J. P. Curtis pp. 908-910 [View Page Images , PDF (529 kB), or Buy this Article (Use Article Pack) ]

•	Mobilities of Atomic and Molecular Ions in the Noble Gases Manfred A. Biondi and Lorne M. Chanin pp. 910-916 [View Page Images , PDF (1204 kB), or Buy this Article (Use Article Pack) ]

•	Annihilation of Positrons in Flight J. B. Gerhart, B. C. Carlson, and R. Sherr pp. 917-927 [View Page Images , PDF (2079 kB), or Buy this Article (Use Article Pack) ]

•	A Precise Momentum Measurement of the F Line of Thorium B D. I. Meyer and F. H. Schmidt pp. 927-930 [View Page Images , PDF (706 kB), or Buy this Article (Use Article Pack) ]

•	Effect of Atomic Electron Screening on the Shape of Forbidden Beta Spectra R. H. Good pp. 931-933 [View Page Images , PDF (480 kB), or Buy this Article (Use Article Pack) ]

•	The Pickup Reactions B10(n, d)Be9 for 14-Mev Neutrons F. L. Ribe and J. D. Seagrave pp. 934-940 [View Page Images , PDF (1336 kB), or Buy this Article (Use Article Pack) ]

•	Gamma Rays from the Inelastic Scattering of 14-Mev Neutrons in C12 and O16 L. C. Thompson and J. R. Risser pp. 941-943 [View Page Images , PDF (515 kB), or Buy this Article (Use Article Pack) ]

•	Polarization from Isolated Resonances A. Simon and T. A. Welton pp. 943-944 [View Page Images , PDF (365 kB), or Buy this Article (Use Article Pack) ]

•	Neutron-Deficient Activities of Holmium Thomas H. Handley pp. 945-946 [View Page Images , PDF (346 kB), or Buy this Article (Use Article Pack) ]

•	Comparison of Nuclear and Gamma-Ray Energy Scales K. W. Jones, R. A. Douglas, M. T. McEllistrem, and H. T. Richards pp. 947-952 [View Page Images , PDF (1002 kB), or Buy this Article (Use Article Pack) ]

•	The Half-Life of U232 P. A. Sellers, C. M. Stevens, and M. H. Studier pp. 952 [View Page Images , PDF (186 kB), or Buy this Article (Use Article Pack) ]

•	Manganese-57 B. L. Cohen, R. A. Charpie, T. H. Handley, and E. L. Olson pp. 953-954 [View Page Images , PDF (396 kB), or Buy this Article (Use Article Pack) ]

•	The Three-Photon Annihilation of Positrons and Electrons S. DeBenedetti and R. T. Siegel pp. 955-959 [View Page Images , PDF (877 kB), or Buy this Article (Use Article Pack) ]

•	Transmission of 0-40 kev Electrons by Thin Films with Application to Beta-Ray Spectroscopy R. O. Lane and D. J. Zaffarano pp. 960-964 [View Page Images , PDF (961 kB), or Buy this Article (Use Article Pack) ]

•	Radiations of 53-Min I134 and 86-Sec I136 Michael McKeown and Seymour Katcoff pp. 965-967 [View Page Images , PDF (551 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Ytterbium-167 Thomas H. Handley and Elmer L. Olson pp. 968-969 [View Page Images , PDF (281 kB), or Buy this Article (Use Article Pack) ]

•	Yields of Fission Products from U238 Irradiated with Fission Spectrum Neutrons R. N. Keller, E. P. Steinberg, and L. E. Glendenin pp. 969-973 [View Page Images , PDF (922 kB), or Buy this Article (Use Article Pack) ]

•	Curium Isotopes 246 and 247 from Pile-Irradiated Plutonium C. M. Stevens, M. H. Studier, P. R. Fields, J. F. Mech, P. A. Sellers, A. M. Friedman, H. Diamond, and J. R. Huizenga pp. 974 [View Page Images , PDF (199 kB), or Buy this Article (Use Article Pack) ]

•	Gamma Rays from N15(p, αγ)C12 and N15(p, γ)O16 Alfred A. Kraus pp. 975-976 [View Page Images , PDF (291 kB), or Buy this Article (Use Article Pack) ]

•	Structure and Composition of Air Shower Cores Harold L. Kasnitz and Kurt Sitte pp. 977-987 [View Page Images , PDF (2376 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Development of Air Showers in the Atmosphere Kurt Sitte, Don L. Stierwalt, and Irving L. Kofsky pp. 988-993 [View Page Images , PDF (1207 kB), or Buy this Article (Use Article Pack) ]

•	Analysis of 405-Mev Proton and 222-Mev Negative Pion Stars A. D. Sprague, D. M. Haskin, R. G. Glasser, and Marcel Schein pp. 994-997 [View Page Images , PDF (740 kB), or Buy this Article (Use Article Pack) ]

•	Spallation Studies of Bismuth W. E. Bennett pp. 997-999 [View Page Images , PDF (551 kB), or Buy this Article (Use Article Pack) ]

•	High-Energy Photoproton Production by 325-Mev Bremsstrahlung Radiation B. T. Feld, R. D. Godbole, A. Odian, F. Scherb, P. C. Stein, and A. Wattenberg pp. 1000-1010 [View Page Images , PDF (2000 kB), or Buy this Article (Use Article Pack) ]

•	μ-Meson Decay Spectrum J. H. Vilain and Robert W. Williams pp. 1011-1017 [View Page Images , PDF (1603 kB) , Figure Images, or Buy this Article (Use Article Pack) ]

•	Cosmic Radiation Intensity-Time Variations and Their Origin. IV. Increases Associated with Solar Flares John Firor pp. 1017-1028 [View Page Images , PDF (2353 kB), or Buy this Article (Use Article Pack) ]

•	Solar Magnetic Moment and Cosmic-Ray Effects Associated with Solar Flares S. B. Treiman pp. 1029-1030 [View Page Images , PDF (374 kB), or Buy this Article (Use Article Pack) ]

•	Cosmic Radiation Intensity-Time Variations and Their Origin. V. The Daily Variation of Intensity J. W. Firor, W. H. Fonger, and J. A. Simpson pp. 1031-1036 [View Page Images , PDF (1113 kB), or Buy this Article (Use Article Pack) ]

•	Classical Scattering of Mesons S. P. Pandya pp. 1037-1038 [View Page Images , PDF (363 kB), or Buy this Article (Use Article Pack) ]

•	Nuclear Interaction of Fast μ Mesons Martin Annis, Homer C. Wilkins, and John D. Miller pp. 1038-1045 [View Page Images , PDF (1406 kB), or Buy this Article (Use Article Pack) ]

•	Decay of τ Mesons of Known Charge R. H. Dalitz pp. 1046-1051 [View Page Images , PDF (1144 kB), or Buy this Article (Use Article Pack) ]

•	Single-Time Formalisms from Covariant Equations Abraham Klein pp. 1052-1056 [View Page Images , PDF (887 kB), or Buy this Article (Use Article Pack) ]

•	Effect of Negative Energy Components in the Two-Nucleon System R. Arnowitt and S. Gasiorowicz pp. 1057-1062 [View Page Images , PDF (799 kB), or Buy this Article (Use Article Pack) ]

•	The Unitarity of the U Operator H. Ekstein pp. 1063-1064 [View Page Images , PDF (212 kB), or Buy this Article (Use Article Pack) ]

LETTERS

Letters to the Editor

•	Effect of Hydrostatic Pressure on the Superconducting Transition of Tin M. Garber and D. E. Mapother pp. 1065 [View Page Images , PDF (220 kB), or Buy this Article (Use Article Pack) ]

•	Hall Coefficient in Germanium T. C. Harman, R. K. Willardson, and A. C. Beer pp. 1065-1067 [View Page Images , PDF (588 kB), or Buy this Article (Use Article Pack) ]

•	Electron Spin Resonance in Metals at Low Fields H. S. Gutowsky and P. J. Frank pp. 1067 [View Page Images , PDF (235 kB), or Buy this Article (Use Article Pack) ]

•	High-Field Effects in Germanium Esther M. Conwell pp. 1068 [View Page Images , PDF (194 kB), or Buy this Article (Use Article Pack) ]

•	Properties of Plutonium Metal Cyril Stanley Smith pp. 1068-1069 [View Page Images , PDF (408 kB), or Buy this Article (Use Article Pack) ]

•	Superconducting Alloys B. T. Matthias and E. Corenzwit pp. 1069 [View Page Images , PDF (214 kB), or Buy this Article (Use Article Pack) ]

•	Compression to 10,000 Atoms of Solid Hydrogen and Deuterium at 4.2°K J. W. Stewart and C. A. Swenson pp. 1069-1070 [View Page Images , PDF (421 kB), or Buy this Article (Use Article Pack) ]

•	Molecular Field Treatment of Magnetic Ordering Transitions E. W. Elcock pp. 1070-1071 [View Page Images , PDF (392 kB), or Buy this Article (Use Article Pack) ]

•	Pauli Principle Scattering and the Resistivity Minimum J. S. Koehler pp. 1071-1072 [View Page Images , PDF (404 kB), or Buy this Article (Use Article Pack) ]

•	Soft X-Ray Emission Bands in Metals H. Jones pp. 1072 [View Page Images , PDF (218 kB), or Buy this Article (Use Article Pack) ]

•	Interpretation of Ionic Mobilities in Nitrogen S. Geltman pp. 1072-1073 [View Page Images , PDF (451 kB), or Buy this Article (Use Article Pack) ]

•	Electrical Conduction in Halide-Contaminated Ice E. J. Workman, Frank K. Truby, and W. Drost-Hansen pp. 1073 [View Page Images , PDF (233 kB), or Buy this Article (Use Article Pack) ]

•	Polarization of Nucleons Elastically Scattered from Nuclei G. A. Snow, R. M. Sternheimer, and C. N. Yang pp. 1073-1074 [View Page Images , PDF (403 kB), or Buy this Article (Use Article Pack) ]

•	Low Excited States of F19. I. Proton Inelastic Scattering R. W. Peterson, C. A. Barnes, W. A. Fowler, and C. C. Lauritsen pp. 1075 [View Page Images , PDF (224 kB), or Buy this Article (Use Article Pack) ]

•	Low Excited States of F19. II. Lifetime Measurements J. Thirion, C. A. Barnes, and C. C. Lauritsen pp. 1076 [View Page Images , PDF (191 kB), or Buy this Article (Use Article Pack) ]

•	Low Excited States of F19. III. Coulomb Excitation by α Particles R. Sherr, C. W. Li, and R. F. Christy pp. 1076-1077 [View Page Images , PDF (385 kB), or Buy this Article (Use Article Pack) ]

•	Low Excited States of F19. IV. Angular Distributions R. F. Christy pp. 1077-1078 [View Page Images , PDF (409 kB), or Buy this Article (Use Article Pack) ]

•	Short-Lived Isomeric States of Ag110 and In116 F. I. Boley pp. 1078-1079 [View Page Images , PDF (415 kB), or Buy this Article (Use Article Pack) ]

•	Half-Life and Beta Decay of the Long-Lived Niobium-94 Mario A. Rollier and Einar Saeland pp. 1079 [View Page Images , PDF (201 kB), or Buy this Article (Use Article Pack) ]

•	Nuclear Properties of Some Isotopes of Californium, Elements 99 and 100 G. R. Choppin, S. G. Thompson, A. Ghiorso, and B. G. Harvey pp. 1080-1081 [View Page Images , PDF (356 kB), or Buy this Article (Use Article Pack) ]

•	New Isotopes of Americium, Berkelium and Californium A. Ghiorso, S. G. Thompson, G. R. Choppin, and B. G. Harvey pp. 1081 [View Page Images , PDF (230 kB), or Buy this Article (Use Article Pack) ]

•	Interaction of High-Energy Pions with Nuclei E. D. Courant pp. 1081-1082 [View Page Images , PDF (477 kB), or Buy this Article (Use Article Pack) ]

•	Magnetic Storm Effect on Cosmic Radiation Hannes Alfvén pp. 1082 [View Page Images , PDF (247 kB), or Buy this Article (Use Article Pack) ]

•	Energy Levels in W182 C. M. Fowler, H. W. Kruse, V. Keshishian, R. J. Klotz, and G. P. Mellor pp. 1082-1083 [View Page Images , PDF (421 kB), or Buy this Article (Use Article Pack) ]

•

Identification of Californium Isotopes 249, 250, 251, and 252 from Pile-Irradiated Plutonium H. Diamond, L. B. Magnusson, J. F. Mech, C. M. Stevens, A. M. Friedman, M. H. Studier, P. R. Fields, and J. R. Huizenga pp. 1083-1084 [View Page Images , PDF (330 kB), or Buy this Article (Use Article Pack) ]

•	Inelastic Scattering of 190-Mev Electrons in Beryllium J. A. McIntyre, B. Hahn, and R. Hofstadter pp. 1084-1085 [View Page Images , PDF (383 kB), or Buy this Article (Use Article Pack) ]

•	Pion Production Ratios D. C. Peaslee pp. 1085 [View Page Images , PDF (228 kB), or Buy this Article (Use Article Pack) ]

•	Correction to Deuteron Stripping Cross Sections Larry Schecter and Warren Heckrotte pp. 1086 [View Page Images , PDF (154 kB), or Buy this Article (Use Article Pack) ]

•	Some (d, p) Reactions in Ni and the Statistical Theory of Nuclear Reactions William W. Pratt pp. 1086-1087 [View Page Images , PDF (392 kB), or Buy this Article (Use Article Pack) ]

•	Polarization of High-Energy Protons Scattered by Complex Nuclei S. Tamor pp. 1087 [View Page Images , PDF (239 kB), or Buy this Article (Use Article Pack) ]

•	Polarization of Fast Protons Scattered by Nuclei G. Takeda and K. M. Watson pp. 1087-1088 [View Page Images , PDF (477 kB), or Buy this Article (Use Article Pack) ]

•	Neutron Absorption Cross Section of U235 at 2200 m/sec H. Palevsky, R. S. Carter, R. M. Eisberg, and D. J. Hughes pp. 1088-1089 [View Page Images , PDF (455 kB), or Buy this Article (Use Article Pack) ]

•	Covariant Formulation of the Tamm-Dancoff Method S. S. Schweber pp. 1089 [View Page Images , PDF (217 kB), or Buy this Article (Use Article Pack) ]