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  • Letters to the Editor

•	The Energy Loss of Protons in Metallic Foils and Mica David Kahn pp. 503-509 [View   PDF (1241 kB) ]

•	Penetration and Diffusion of Hard X-Rays: Polarization Effects L. V. Spencer and Charles Wolff pp. 510-514 [View   PDF (627 kB) ]

•	Corrected Values of Fowler-Nordheim Field Emission Functions v(y) and s(y) R. E. Burgess, H. Kroemer, and J. M. Houston pp. 515 [View   PDF (106 kB) ]

•	Active Nitrogen S. K. Mitra pp. 516-521 [View   PDF (1266 kB) ]

•	The Solubility of Silicon and Germanium in Gallium and Indium Paul H. Keck and Jacob Broder pp. 521-522 [View   PDF (295 kB) ]

•	The Adiabatic Hall Effect in Semiconductors V. A. Johnson and F. M. Shipley pp. 523-529 [View   PDF (1100 kB) ]

•	Magnetic Susceptibility of Colored Potassium Chloride from 1°K to 300°K C. V. Heer and C. Rauch pp. 530-531 [View   PDF (346 kB) ]

•	The Energy Loss of Low Energy Protons in Some Gases James A. Phillips pp. 532-537 [View   PDF (1128 kB) ]

•	The Microwave Absorption Spectum of (O16)2 and O16O17 S. L. Miller and C. H. Townes pp. 537-541 [View   PDF (1316 kB) ]

•	The Electronic Structure of O2 S. L. Miller, C. H. Townes, and M. Kotani pp. 542-543 [View   PDF (306 kB) ]

•	The Transmission of Electrons through Thin Metallic Foils C. H. Chang, C. S. Cook, and H. Primakoff pp. 544-547 [View   PDF (694 kB) ]

•	The Capture and Loss of Electrons by Fission Fragments George I. Bell pp. 548-557 [View   PDF (1925 kB) ]

•	Radiations from Selenium75 Erling N. Jensen, L. Jackson Laslett, Don S. Martin, Francis J. Hughes, and William W. Pratt pp. 557-563 [View   PDF (1237 kB) ]

•	Measurement of the Transport Mean Free Path of Thermal Neutrons in D2O by a Boron Poisoning Method S. W. Kash and D. C. Woods pp. 564-566 [View   PDF (554 kB) ]

•	Gallium 67 B. H. Ketelle, A. R. Brosi, and F. M. Porter pp. 567-573 [View   PDF (1224 kB) ]

•	Photomesonic Fission of Bismuth G. Bernardini, R. Reitz, and E. Segrè pp. 573-574 [View   PDF (331 kB) ]

•	N14 Level Structure from the C13(p, n)N13 Reaction J. K. Bair, J. D. Kington, and H. B. Willard pp. 575-576 [View   PDF (355 kB) ]

•	Geometrical Characterization of Nuclear States and the Theory of Angular Correlations U. Fano pp. 577-579 [View   PDF (574 kB) ]

•	Nuclear Levels Associated with Zirconium 95 and Niobium 95 J. M. Cork, J. M. LeBlanc, D. W. Martin, W. H. Nester, and M. K. Brice pp. 579-581 [View   PDF (554 kB) ]

•	Radiochemical Studies on the Photofission of Thorium Dale M. Hiller and Don S. Martin pp. 581-585 [View   PDF (997 kB) ]

•	The Quadrupole Moment of Li7 Edward G. Harris and Michel A. Melkanoff pp. 585-587 [View   PDF (616 kB) ]

•	Excited States of Even-Even Nuclei Gertrude Scharff-Goldhaber pp. 587-602 [View   PDF (2220 kB) ]

•	The Thermal Neutron Capture Cross Section of Hydrogen B. Hamermesh, G. R. Ringo, and S. Wexler pp. 603-606 [View   PDF (792 kB) ]

•	Inner Bremsstrahlung Associated with K Capture in A37 Carl E. Anderson, George W. Wheeler, and W. W. Watson pp. 606-608 [View   PDF (449 kB) ]

•	The Quadrupole Moment Ratio of I129 and I127 from Pure Quadrupole Spectra Ralph Livingston and Henry Zeldes pp. 609-610 [View   PDF (385 kB) ]

•	Comparison of the Values of the Disintegration Constant of Be7 in Be, BeO, and BeF2 J. J. Kraushaar, Elizabeth D. Wilson, and Kenneth T. Bainbridge pp. 610-614 [View   PDF (793 kB) ]

•	The Total Neutron Cross Sections of Gold, Chlorine, and Phosphorus S. C. Snowdon and W. D. Whitehead pp. 615-618 [View   PDF (753 kB) ]

•	Total Cross Sections of Chlorine, Sodium, Titanium, and Bromine for Fast Neutrons H. R. Dvorak and R. N. Little pp. 618-622 [View   PDF (972 kB) ]

•	Mean Lifetimes of V-Particles and Heavy Mesons W. L. Alford and R. B. Leighton pp. 622-629 [View   PDF (1883 kB) ]

•	Impurity Diffusion and Space Charge Layers in "Fused-Impurity" p-n Junctions John S. Saby and W. C. Dunlap pp. 630-632 [View   PDF (548 kB)  See Also: Erratum]

•	The High Energy Charged Particles from Targets Bombarded by 190-Mev Deuterons L. Schecter, W. E. Crandall, G. P. Millburn, D. A. Hicks, and A. V. Shelton pp. 633-643 [View   PDF (1726 kB) ]

•	Time Distribution of Positron Annihilation in Liquids and Solids R. E. Bell and R. L. Graham pp. 644-654 [View   PDF (1764 kB) ]

•	Fluctuations and Latitude Effect of Cosmic Rays at High Altitudes and Latitudes H. V. Neher, V. Z. Peterson, and E. A. Stern pp. 655-674 [View   PDF (4013 kB) ]

•	Nuclear Interactions of 210-Mev π- Mesons in Emulsions A. H. Morrish pp. 674-677 [View   PDF (668 kB) ]

•	Positron-Electron Scattering at 1.3 Mev Horace A. Howe and K. R. MacKenzie pp. 678-682 [View   PDF (963 kB) ]

•	The Radiation of a High Energy Electron in a Constant Magnetic Field Maurice Neuman pp. 682-689 [View   PDF (1304 kB) ]

•	Fredholm Theory of Scattering in a Given Time-Dependent Field Abdus Salam and P. T. Matthews pp. 690-695 [View   PDF (949 kB) ]

•	Spherically Symmetric Solutions in Nonsymmetrical Field Theories. I. The Skew Symmetric Tensor P. C. Vaidya pp. 695-698 [View   PDF (701 kB) ]

•	The Construction of Potentials in Quantum Field Theory K. A. Brueckner and K. M. Watson pp. 699-708 [View   PDF (1561 kB) ]

•	Temperature, Current, Magnetic Field Phase Diagram of Superconductivity W. Meissner, F. Schmeissner, and H. Meissner pp. 709 [View   PDF (206 kB) ]

•	The Paramagnetic Effect in Superconductors Tom S. Teasdale and H. E. Rorschach pp. 709 [View   PDF (206 kB) ]

•	Annealing of Bombardment Damage in Solids W. L. Brown, R. C. Fletcher, and S. Machlup pp. 709-710 [View   PDF (441 kB) ]

•	The Extra-Resistivity Owing to Vacancies in Copper P. Jongenburger pp. 710-711 [View   PDF (457 kB) ]

•	Paramagnetic Resonance in Manganese Formate D. J. Ingram pp. 711 [View   PDF (222 kB) ]

•	An Excitation Curve for Photomesons from Beryllium David Luckey pp. 711-712 [View   PDF (374 kB) ]

•	Differential Cross Section for Elastic p-p Scattering at 435 Mev W. E. Mott, R. B. Sutton, J. G. Fox, and J. A. Kane pp. 712-713 [View   PDF (339 kB) ]

•	Constancy of Cosmic-Ray Flux over the Past 30 000 Years J. Laurence Kulp and Herbert L. Volchok pp. 713-714 [View   PDF (390 kB) ]

•	Angular Distributions of Elastically Scattered 1-Mev Neutrons M. Walt and H. H. Barschall pp. 714-715 [View   PDF (353 kB) ]

•	The Elastic Scattering of Pions in Deuterium K. A. Brueckner pp. 715-716 [View   PDF (364 kB) ]

•	High Energy Nuclear Interactions in Lead and Light Elements M. F. Kaplon, D. M. Ritson, and W. D. Walker pp. 716-717 [View   PDF (421 kB) ]

•	Nonuniform Track Shrinkage in Nuclear Emulsions John R. Horan pp. 717 [View   PDF (207 kB) ]

•	Rotational States in Even-Even Nuclei Aage Bohr and Ben R. Mottelson pp. 717-719 [View   PDF (624 kB) ]

•	Recoil Effects in Meson-Nucleon Scattering E. M. Henley and M. A. Ruderman pp. 719 [View   PDF (232 kB) ]

•	The Transfer Rate of the Liquid Helium II Film near Zero Level Difference Gerald S. Picus pp. 719-720 [View   PDF (449 kB) ]

•	Scattering of 1.33 Mev Gamma-Rays by an Electric Field Robert R. Wilson pp. 720-721 [View   PDF (475 kB) ]

•	Inner Bremsstrahlung and the Magnetic Moment of the Neutrino E. J. Hellund pp. 721 [View   PDF (257 kB) ]

•	Possible Breakdown of Isotopic Spin and Charge Parity Selection Rules D. H. Wilkinson pp. 721-722 [View   PDF (491 kB) ]

•	The Purity of Isotopic Spin or Charge Parity States G. A. Jones and D. H. Wilkinson pp. 722 [View   PDF (233 kB) ]

•	Angular Distribution of γ-Rays from Stripping Reactions G. R. Satchler pp. 722-723 [View   PDF (467 kB) ]

•	The Ratio of Plateau to Minimum Grain Density for Electrons R. P. Michaelis and C. E. Violet pp. 723-724 [View   PDF (442 kB) ]

•	The Total Cross Sections of 37-Mev Pions in Hydrogen C. E. Angell and J. P. Perry pp. 724 [View   PDF (208 kB)  See Also: Erratum]

•	A Binding Energy Calculation on He4 with Single-Particle Wave Functions P. G. Wakely pp. 724-725 [View   PDF (252 kB) ]