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  • Letters to the Editor

•	Single-Particle Energy and Effective Mass and the Binding Energy of Many-Body Systems Keith A. Brueckner pp. 597-600 [View   PDF (633 kB) ]

•	Cooperative Phenomena in Quantum Theory of Radiation A. Gamba pp. 601-603 [View   PDF (587 kB) ]

•	Kinetic and Potential Energies of an Electron Gas N. H. March pp. 604-605 [View   PDF (298 kB) ]

•	Heat Capacity of Copper-Germanium Alloys below 4.2°K John A. Rayne pp. 606-611 [View   PDF (971 kB) ]

•	Breakdown in Silicon B. Senitzky and J. L. Moll pp. 612-620 [View   PDF (1547 kB) ]

•	Birefringence Caused by Edge Dislocations in Silicon R. Bullough pp. 620-623 [View   PDF (555 kB) ]

•	Nuclear Quadrupole Coupling Constants of Li7 in Lithium Compounds John F. Hon and P. J. Bray pp. 624-629 [View   PDF (2639 kB) ]

•	Effect of Environmental Nuclei in Electron Spin Resonance Spectroscopy G. T. Trammell, Henry Zeldes, and Ralph Livingston pp. 630-634 [View   PDF (833 kB) ]

•	Magnetic Susceptibility of a Sintered Rod of αMnS Robert Lindsay and John J. Banewicz pp. 634-637 [View   PDF (702 kB) ]

•	Neutron Diffraction Study of the Magnetic Properties of MnBr2 E. O. Wollan, W. C. Koehler, and M. K. Wilkinson pp. 638-646 [View   PDF (2271 kB) ]

•	Hyperfine Interactions in F Centers W. E. Blumberg and T. P. Das pp. 647-651 [View   PDF (844 kB) ]

•	Density and Hardness Changes Produced by Plastic Deformation in KCl Crystals W. H. Vaughan, W. J. Leivo, and R. Smoluchowski pp. 652-657 [View   PDF (1185 kB) ]

•	Effects of Contamination on the Characteristic Loss Spectrum of Tungsten C. J. Powell, J. L. Robins, and J. B. Swan pp. 657-660 [View   PDF (631 kB) ]

•	Tensor Formalism for Coulomb Interactions and Asymptotic Properties of Multipole Expansions Laurens Jansen pp. 661-669 [View   PDF (1599 kB) ]

•	Electron Loss Cross Sections for Helium Atoms in the Kinetic Energy Range 100-450 kev Samuel K. Allison pp. 670-672 [View   PDF (515 kB) ]

•	Semiclassical Limit for Excitation of Rotational Motion by Scattering David M. Chase pp. 673-675 [View   PDF (502 kB) ]

•	Energy Distributions of Product Particles from Nitrogen-Induced Nuclear Reactions on Beryllium Charles D. Goodman and John L. Need pp. 676-682 [View   PDF (1267 kB) ]

•	Elastic and Inelastic Scattering of 18-Mev Alpha Particles from Neon, Argon, and Xenon L. Seidlitz, E. Bleuler, and D. J. Tendam pp. 682-691 [View   PDF (1898 kB) ]

•	Nuclear Radii by Scattering of Low-Energy Neutrons K. K. Seth, D. J. Hughes, R. L. Zimmerman, and R. C. Garth pp. 692-700 [View   PDF (1725 kB) ]

•	Gyromagnetic Ratio of 2+ Rotational States G. Goldring and R. P. Scharenberg pp. 701-707 [View   PDF (1160 kB) ]

•	Absolute Cross Sections for the Reactions B11(γ, 2p)Li9 and C12(γ, 3p)Li9 G. W. Tautfest pp. 708-712 [View   PDF (847 kB) ]

•	Atomic Masses from Phosphorus through Manganese Clayton F. Giese and Jay L. Benson pp. 712-720 [View   PDF (1543 kB) ]

•	Inhibition of M1 γ Transitions with ΔT=0 in Self-Conjugate Nuclei G. Morpurgo pp. 721-725 [View   PDF (976 kB) ]

•	Decay Scheme of 50-Day Re184 C. J. Gallagher, D. Strominger, and J. P. Unik pp. 725-732 [View   PDF (1457 kB)  See Also: Erratum]

•	Scattering of 25-87 Mev Photons by Protons C. L. Oxley pp. 733-737 [View   PDF (882 kB) ]

•	Λ-Nucleon Potential from Hyperfragment Data Marc Ross and D. B. Lichtenberg pp. 737-742 [View   PDF (1198 kB) ]

•	Scattering of K+ Mesons by Nucleons Saul Barshay pp. 743-747 [View   PDF (787 kB) ]

•	Production of K Mesons and Hyperons in Hydrogen by 1.95-Bev Protons Robert Lea, Earle C. Fowler, and Henry L. Kraybill pp. 748-750 [View   PDF (571 kB) ]

•	Abundance of Light Nuclei in the Primary Cosmic Radiation M. V. Rao, S. Biswas, R. R. Daniel, K. A. Neelakantan, and B. Peters pp. 751-765 [View   PDF (2728 kB) ]

•	Multiple Production of Pions in Nuclear Collisions Prem Prakash Srivastava and George Sudarshan pp. 765-766 [View   PDF (304 kB) ]

•	Important Announcement S. A. Goudsmit pp. 767 [View   PDF (213 kB) ]

•	Discrete Recovery Spectrum below 65°K in Irradiated Copper J. W. Corbett and R. M. Walker pp. 767-768 [View   PDF (367 kB) ]

•	Paramagnetic Susceptibility in Superconductors Kei Yosida pp. 769-770 [View   PDF (342 kB) ]

•	Acoustical Loss and Young's Modulus of Yttrium Iron Garnet D. F. Gibbons and V. G. Chirba pp. 770-771 [View   PDF (396 kB) ]

•	Ferrimagnetic Fluoride—Na5Fe3F14 Kerro Knox and Seymour Geller pp. 771-772 [View   PDF (347 kB) ]

•	Magnetic Effects in the Attenuation of Transverse Acoustic Waves by Conduction Electron Transport M. S. Steinberg pp. 772-773 [View   PDF (302 kB) ]

•	Isotopic and Other Types of Thermal Resistance in Germanium T. H. Geballe and G. W. Hull pp. 773-775 [View   PDF (574 kB) ]

•	Structure of the α and β Forms of Solid He3 A. F. Schuch, E. R. Grilly, and R. L. Mills pp. 775 [View   PDF (216 kB) ]

•	Chemical Shift Effect in Inner Electronic Levels of Cu Due to Oxidation Evelyn Sokolowski, Carl Nordling, and Kai Siegbahn pp. 776 [View   PDF (147 kB) ]

•	Superconducting Energy Gap Inferences from Thin-Film Transmission Data A. Theodore Forrester pp. 776-778 [View   PDF (506 kB) ]

•	Superconducting Energy Gap Inferences from Thin-Film Transmission Data M. Tinkham and R. E. Glover pp. 778-779 [View   PDF (362 kB) ]

•	Cross Sections for Double and Triple Meson Production in Hydrogen by Photons with Energies up to 1 Bev J. M. Sellen, G. Cocconi, V. T. Cocconi, and E. L. Hart pp. 779-780 [View   PDF (374 kB) ]

•	Lifetime and Decay of the K20 Meson M. Bardon, M. Fuchs, K. Lande, L. M. Lederman, W. Chinowsky, and J. Tinlot pp. 780-782 [View   PDF (539 kB) ]

•	Time-Reversal Invariance and θ20 Decay Steven Weinberg pp. 782-784 [View   PDF (556 kB) ]

•	Theoretical Angular Distribution of Nucleon-Antinucleon Scattering at 140 Mev Jose R. Fulco pp. 784-785 [View   PDF (322 kB) ]

•	Spin-Orbit Contributions in the Low-Energy n-p Triplet Potentials Roger G. Newton and James H. Scofield pp. 785-786 [View   PDF (288 kB) ]

•	Nuclear Fine Structure Widths and Spacings Sydel Blumberg and Charles E. Porter pp. 786-787 [View   PDF (358 kB) ]

•	Beta-Gamma Correlations from Polarized Manganese-52 E. Ambler, R. W. Hayward, D. D. Hoppes, and R. P. Hudson pp. 787-789 [View   PDF (541 kB) ]

•	Time-of-Flight Measurement of Photoneutron Energy Spectra W. Bertozzi, F. R. Paolini, and C. P. Sargent pp. 790-791 [View   PDF (239 kB) ]